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Tektronix 2465A, Service Manual

The Tektronix 2465A is a high-performance oscilloscope with advanced features. Discover the full potential of this device by downloading the Service Manual from manualshive.com for free. This comprehensive manual will guide you through its functionalities, ensuring optimal performance and accurate measurements for your engineering needs.

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Summary of Contents for 2465A

Page 1: ...CE MANUAL 2467 350MHz GPIB STATUS OSCILLOSCOPE FOCUS READOUT INTENSITY 070 6019 01 Product 38 2465A 2467 POSITION PO _TION RECALL CHOP 20MHz HELP ALT BWLIMIT VOLTS DIV VOLTS DIV CH CH 2 RMS RMS TRACE SERIAL CH 3 CH 4 PROBE lms f TO ...

Page 2: ...RUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY TO AVOID PERSONAL INJURY DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUM MARY PRIOR TO PERFORMING ANY SERVICE Please Check for CHANGE INFORMATION at the Rear of This Manual TO EXCELLENCE ...

Page 3: ...eserved INSTRUMENT SERIAL NUMBERS Each instrument has a serial number on a panel insert tag or stamped on the chassis The first number or letter designates the country of manufacture The last five digits of the serial number are assigned sequentially and are unique to each instrument Those manufactured in the United States have six unique digits The country of manufacture is identified as follows ...

Page 4: ...LOW VOLTAGE POWER SUPPLY 3 46 LOW VOLTAGE REGULATORS 3 51 POWER DISTRIBUTION 3 53 INTERCONNECTIONS 3 53 SECTION 4 PERFORMANCE CHECK AND FUNCTIONAL VERIFICATION Page INTRODUCTION 4 1 PREPARATION 4 1 VERTICAL 4 4 TRIGGERING 4 15 HORIZONTAL 4 20 COUNTER TIMER TRIGGER CHECKS 4 27 HORIZONTAL cont 4 32 CALIBRATOR EXTERNAL Z AXIS AND GATE OUTPUTS 4 34 ADDITIONAL FUNCTIONAL VERIFICATION 4 36 WORD RECOGNIZ...

Page 5: ...ACEMENT PARTS 6 20 MAINTENANCE AIDS 6 21 INTERCONNECTIONS 6 21 TRANSISTORS INTEGRATED CIRCUITS AND HYBRID CIRCUITS 6 22 SOLDERING TECHNIQUES 6 22 REMOVAL AND REPLACEMENT INSTRUCTIONS 6 24 SECTION 7 OPTIONS INTRODUCTION 7 1 POWER CORD OPTIONS 7 1 OPTION 01 2465A ONLY 7 1 OPTION 1R 7 1 ii Page OPTION 05 7 2 OPTIONS 06 AND 09 7 2 OPTION 10 7 2 OPTION 11 7 2 SECTION 8 2465A REPLACEABLE ELECTRICAL PART...

Page 6: ...ay priorities 3 32 Timing of Refresh Prioritizer 3 33 De restorer circuit 2465A only 3 38 De restorer circuit 2467 only A 3 43 Timing relationships of the Inverter Drive signals 3 48 Simplified schematic of control network 3 49 Multipin Connector Orientation 6 6 Ribbon Cable Removal 6 26 Power Switch Push Button Disassembly 6 31 Color codes for resistors and capacitors Semiconductor lead configura...

Page 7: ...riggering Conditions 4 17 4 7 Settings for A and B Timing Accuracy Checks 4 22 4 8 Horizontal Timing Accuracy Checked Against the Graticule 4 23 4 9 Delta Time Display Accuracy 4 25 4 10 Delayed Sweep Delta Time Accuracy 4 26 4 11 Data Setup Time Checks 4 39 4 12 Data Hold Time Checks 4 40 4 13 Minimum Clock Pulse Width Checks 4 40 4 14 Delay From Selected Edge to WORD RECOG OUT Checks 4 41 4 15 W...

Page 8: ...and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation vi Grounding the Product This product is grounded through the grounding conductor of the power cord To avoid electrical shock plug the power cord into a properly wired receptacle before making any connections to the product input or output terminals A protective ground conn...

Page 9: ...angerous voltages exist at several points in this product To avoid personal injury do not touch exposed connec tions or components while power is on Disconnect power before removing protective panels soldering or replacing components Power Source This product is intended to operate from a power source that does not apply more than 250 volts rms between the supply conductors or between either suppl...

Page 10: ...s and auxiliary information also save time and improve operator confidence The 2467 yields 4 divisions ns visual writing rate This is about 100 times faster than conventional high performance oscilloscopes The 2467 visibly displays any signal at any repetition rate at any sweep speed in typi cal room light Visible single shots include 1 ns steps at 500 ps division The instruments are shipped with ...

Page 11: ... þÿ V Range 8 X VOLTS DIV setting a V DIV VARiable noninverted Continuously variable between VOLTS DIV settings Extends deflection factor to 12 5 V division Frequency Response Bandwidth is measured with a leveled low distortion þÿ50 source sine wave generator terminated in 50 þÿ The reference signal amplitude is set at the lesser of 6 divisions or the maximum leveled amplitude Bandwidth with probe...

Page 12: ...5 8 Capacitance 15 pF 2 pF a Maximum Input Voltage DC AC or GND Coupled 400 V de peak ac 800 V p p ac at 10 kHz or less a Input R 50 þÿ Resistance 50 þÿ 1 a VSWR De to 300 MHz 1 3 1 a 300 to 350 MHz 1 5 1 a Maximum Input Voltage 5 V rms averaged for 1 second 50 V peak 8 Cascaded Operation Channel 2 Vertical Signal Output into Channel 1 input DC coupled using a 50 þÿ RG 58C U coaxial cable with 1 þ...

Page 13: ...a leveled low distortion þÿ50 source sine wave generator terminated in 50 þÿ The reference signal amplitude is set at the lesser of 6 divisions or the maximum leveled amplitude External termination bandwidth is checked with a 4 division reference signal Bandwidth with probe is checked using a probe tip to GR 017 0520 00 termination adapter Bandwidth with external termination is checked using a BNC...

Page 14: ...gering event is displayed at any SEC DIV 10 ns div At 5 ns div at least 10 ns of the sweep is displayed before the triggering event a With displayed SEC DIV in the 20 µs to 2 µs div range the switching rate is 2 5 MHz 0 2 Otherwise the switching rate is 1 MHz 0 2 The display cycle rate equals the chop switching rate divided by the number of channels displayed The chop switching rate is modulated s...

Page 15: ...or CH 2 SOURCE 15 C to 35 C Within 3 of setting 3 of p p signal 0 2 division 0 5 mV 0 5 mV x probe attenuation factor with Vertical Input at 1 þÿM DC CH 2 Source Not Inverted and Trigger DC Coupled 15 C to 35 C and 35 C to Add 1 5 mV X probe attenuation to 15 C to 35 C 55 C specification a 50 þÿ Input Add 1 to 1 þÿM input specification a CH 2 Inverted Add 1 of setting to non inverted specification...

Page 16: ...Selection Conforms to trigger source waveform or ac power source waveform HORIZONTAL DEFLECTION SYSTEM A Sweep Time Base Range 500 ms div to 5 ns div in a 1 2 5 sequence of 25 steps X10 MAG extends maximum sweep rate to 500 ps div B Sweep Time Base Range 50 ms div to 5 ns div in a 1 2 5 sequence of 22 steps X10 MAG extends maximum sweep rate to 500 ps div Timing Accuracy 15 C to 35 C A Sweep with ...

Page 17: ...o 9 95 times the A SEC DIV setting from 500 ms to 10 ns A Sweep triggering event is observable on B Sweep with zero delay setting for A SEC DIV settings 50 µSor faster a Delay Jitter 2467 Within 0 01 one part or less in 10 000 of the maximum available delay plus 100 ps a 2465A Within 0 004 one part or less in 25 000 of the maximum available delay plus 50 ps a Horizontal POSITION Range Start of 1 m...

Page 18: ... major divisions horizontally with auxiliary markings a Adequate to atign trace with the center horizontal graticule line P31 a 4 divisions ns NOTE Using the standard accessory color filter no more than 5 bright spots will be visible at maximum intensity and no bright spot halo will be visible within the center 7 X 9 divisions Additional bright spots may be visible after displaying a high intensit...

Page 19: ...rature A GATE OUT and B GATE OUT Output Voltage 2 4 V to 5 V positive going pulse starting at OV to 400 mV Output Drive Will supply 400 µA during HI state will sink 2 mA during LO state a AC POWER SOURCE Source Voltage Nominal Ranges 115 V 90 V to 132 V 230V 180 V to 250 V Source Frequency 48 Hz to 440 Hz a Fuse Rating 2 A 250 V AGC 3AG Fast blow or 1 6 A 250 V 5 X 20 mm Quick acting a Maximum Pow...

Page 20: ...nual Performance Requirements SIGNAL INPUT With DC Coupling of A Trigger and B Trigger 150 MHz 3 3 ns For Count Delay by Events and Logic Trigger Functions Excluding Word Recognizer 1 5 divisions 0 75 division 4 0 divisions 2 0 divisions FREQUENCY RANGE LSD8 1 Hz 100 nHz 10 Hz 1 µHz 100 Hz 10 µHz 1 kHz 100 µHz 10 kHz 1 mHz 100 kHz 10 mHz 1 MHz 100 mHz 10 MHz 1 Hz 100 MHz 10 Hz 150 MHz 100 Hz Upran...

Page 21: ... Freguency 2 X TJE LSD N Twice per second or twice the period of the input signal whichever is slower PERIOD RANGE 10 ns 100 ns 1 µS 10 µS 100 µS 1 ms 10 ms 100 ms 1 s 2s 6 7 ns Upranges at 100 of full scale downranges at 9 of full scale LSD8 1 fs 10 fs 100 fs 1 ps 10 ps 100 ps 1 ns 10 ns 100 ns 1 µS Full scale corresponds to the value given in the Range column The maximum displayed value for any ...

Page 22: ...eep is triggered by the Word Recognizer in synchronous mode add 100 ns for probe delay in asynchronous mode add 200 ns for probe delay For intervals within 70 ns to 10 times the A SEC DIV Setting LSD b 10 ppm x measured interval TJE A Trigger Level Error B Trigger Level Error 0 5 ns If the A and B Sweeps are triggered from different channels add 0 5 ns for channel to channel mismatch When the A Sw...

Page 23: ...ing LSD b 0 01 X 8 Time Div C 10 ppm X A SEC DIV 10 ppm x measured interval 50 ps TJE If CH 3 or CH 4 is one channel of a two channel measurement add 0 5 ns for channel to channel delay mismatch LSDb ItrREF troELT Id TJE 0 0005 div X 1 SRREF 1 SRDELT 10 ppm X A SEC DIV 10 ppm x measured interval 50 ps If A and B sweeps are triggered from different channels add 0 5 ns for channel to channel mismatc...

Page 24: ... Reference Trigger Signal Jitter 2 Delta TriggerSignal Jitter 2 A Sweep Trigger Signal Jitter 2 1l2_ Reference Trigger Signal Jitter ens enREF SRREF 0 for Frequency mode ens scope noise in div 0 05 div for HF REJ trigger coupling 0 1 div for DC trigger coupling 5 mV to 5 V sensitivity 0 15 div for DC trigger coupling 2 mV sensitivity enREF reference signal rms noise in div Delta Trigger Signal Jit...

Page 25: ...te 10 ns to 2 µs 20 kHz 10 ns to 2 µs 200 Hz to 20 kHz 5 µS to 200 µS 200 Hz 10 ns to 200 µS 200 Hz 500 µs to 5 ms Any 10 ms to 50 ms Any 100 ms to 500 ms Any 1 16 Table 1 3 Resolution Selections Least Digit See Table 1 4 10 ps 100 ps 1 ns 100 ps 1 ns 1 ns 10 ns 100 ns 1 µS Table 1 4 Resolution Selections Least Digit 100 ps 1 ns 1 ns 10 ns 10 ns 100 ns 1 µS N for Average See Table 1 4 106 104 100 ...

Page 26: ...YNCHRONOUS MODE Maximum Trigger Frequency Minimum Coincidence Between Data Inputs D0 D1 5 Q Resulting in a Trigger Maximum Coincidence Between Data Inputs D0 D15 Q Without Producing a Trigger Delay from Input Word Coincidence to Word Out 10 MHz 85 ns 20 ns 140 ns INPUTS AND OUTPUTS Input Voltages Minimum Input Voltage A 0 5 V Maximum Input Voltage A 5 5 V Maximum Input Low Voltage 0 6 V Minimum In...

Page 27: ...6 kg 38 8 lb Height Without Accessories Pouch With or without Options 05 06 and 160 mm 6 29 in 09 and 10 With Feet and Accessories Pouch With or without Options 05 06 and 202 mm 25 4 mm 7 94 in 1 0 in 09 and 10 Width with handle 338 mm 13 31 in Depth With Front Panel Cover 434 mm 17 1 in With Handle Extended 508 mm 20 0 in Cooling Forced air circulation Finish Tek Blue vinyl clad material on alumi...

Page 28: ...4 kg 42 7 lb Height Without Accessories Pouch With or without Options 05 06 and 160 mm 6 29 in 09 and 10 With Feet and Accessories Pouch With or without Options 05 06 and 202 mm 25 4 mm 7 94 in 1 0 in 09 and 10 Width with handle 338 mm 13 31 in Depth With Front Panel Cover 472 mm 18 6 in With Handle Extended 533 mm 21 0 in Cooling Forced air circulation Finish Tek Biue vinyi ciad materiai on aiumi...

Page 29: ...ment with the rack mounting rear support kit installed Rack mounted instruments will be capable of meeting or exceeding the requirements of Tektronix Standard 062 2853 00 class 5 15 C to 55 C For a rack mounted instrument ambient temperature should be measured at the instrument s air inlet Fan exhaust temperature should not exceed 65 C 62 C to 85 C To 15 000 feet Maximum operating temperature decr...

Page 30: ...f the National Safe Transit Assn test procedure 1A B 1 excursion of 1 inch p p at 4 63 Hz 1 1 g for 30 minutes Tektronix Standard 062 2858 00 EMI Electro magnetic Interference Meets MIL T 28800C MIL STD 461 B part 4 CE 03 and CS 02 part 5 CS 06 and RS 02 and part 7 CS 01 RE 02 and RS 03 limited to 1 GHz VOE 0871 Category B Part 15 of FCC Rules and Regulations Subpart J Class A and Tektronix Standa...

Page 31: ...5A 2467 Service 7 94 1 00 202 25 40 6 29 160 I 10 51 268J 15 60 i 396 _ 20 00 13 31 338 Dimensions are 1 22 508 16 88 429 Figure 1 1 2465A Dimensional drawing 5 53 141 10 68 271 J 6 33 161 11 63 296 11 88 302 I 6019 01 ...

Page 32: ...vice I 5 94 6 29 151 160 13 31 338 5 53 141 11 52 293 16 60 422 21 00 533 18 59 4 72 ii I 18 35 466 I 10 78 274 Dimensions are in inches mm Figure 1 2 2467 Dimensional drawing 5 80 147 6 47 I 164 I 11 90 302 11 63 296 6019 02 1 23 ...

Page 33: ...th the attached fuse inside out of the fuse holder 2 Verify that the fuse is of the type listed on the back of the instrument Then install the proper fuse and reinstall the proper fuse holder cap The two types of fuses listed are not directly inter changeable they require different types of fuse caps Included in the accessory pouch is a 5x20 mm fuse holder cap for use with 1 6 A 250 V 5x20 mm IEC ...

Page 34: ...lications To operate the instrument after a power up test failure press the A 8 TRIG button or A 8 MENU Even if the instrument then functions for your particular measurement requirement it should be repaired by a qualified service technician at the earliest convenience Additional information on the power 2 2 up tests and troubleshooting may be found in the Mainte nance section of this manual Consu...

Page 35: ...rvice Center and your return address on the carton in one or more prominent locations Power Cord and Voltage Data Plug Configuration Option U S Std A1 A2 A3 A4 A5 Power Cord Plug Type U S 120V EURO 220V UK 240V Australian 240V North American 240V Switzerland 220V A 6A type C fuse is also installed inside the plug of the Option A2 power cord bReference Standards Abbreviations ANSI American National...

Page 36: ...SE state is referred to as LO The specific voltages which constitute a HI or a LO state vary between individual devices For specific device characteristics refer to the manufacturer s data book Hybrids Some of the circuits in this instrument are implemented in hybrid devices The hybrids are specialized electronic devices combining thick film and semiconductor technolo gies Passive thick film compo...

Page 37: ... IN CH 4 SIG CH 3 CH 3 SIG AND CH 3 IN CH 4 PREAMP 0 CH 4 TRIG PICKOFF CH 3 TRIG PICKOFF CH 3 GAIN f AUXILIARY CH 4 GAIN CONTROL REGISTER BW 0 CH 2 CH 2 OUT ATTENUATOR CH 2 ANO PREAMP CH 2 SIG MAG LATCH CH 2 IN RELAYS 0 0 CH 2 TRIG PICKOFF A11 t CD CD CH 1 ATTENUATOR CH 1 SIG ANO MAG LATCH CH 1 RELAYS PREAMP CH 1 TRIG PICKOFF CH 1 IN 0 0 A12 LOW VOLTAGE LINE 60 Hzl POWER SUPPLY 0 TO ALL CIRCUITS F...

Page 38: ...GE EXT ZIN TRACE SEP HORIZONTAL SELECTS I I DISPLAY c SEQUENCER SWEEP SATES Z AXIS DC 0 HOLDOFF OUT RESTORER DLY SELECT 0 I I I I I _ _ 2KV _ 6_ 2 A GATE Z AXIS 1 9KV_ I 0 AMPLIFIER CRT B GATE 0 I en I C U C I IUJ 1 11 j a 1 a 1 UJ 1 1 en en I 2 A GATE A TRIG SWEEP 2 LJ 0 HORIZONTAL co A SWEEP AMPLIFIER HORIZ SIG 0 18 U TRIGGERS B SWEEP I DELAY GATE HIGH VOLTAGE 0 I POWER SUPPLY U 0 co B I I SWEEP...

Page 39: ...specialized integrated circuit which responds 3 4 by setting up the various signals that control the stages handling real time display signals The controlled stages are stepped through a predefined sequence that is deter mined by the control data Typically as the sequence is being executed the Display Sequencer will be changing vertical signal sources Z Axis intensity levels triggering sources and...

Page 40: ...t or a combination of both DETAILED CIRCUIT DESCRIPTION INTRODUCTION The following discussion provides detailed information concerning the electrical operation and circuit relationships of the instrument Circuitry unique to the instrument is described in detail while circuits common in the electronics industry are not The descriptions are accompanied by supporting illustrations and tables Diagrams...

Page 41: ... it finally sets the PWR DOWN signal HI via U2310 diagram 2 This signal is applied to inverter U2650C at pin 11 Pin 9 of U2650C goes LO and immediately pulls pin 2 of Reset Generator U2240 LO to prevent a reset to the processor 3 6 Reset Generator U2240 immediately switches state to assert the RESET signal to the processor The RESET signal is held LO until the power supplies have fully discharged ...

Page 42: ...rates the OE and WE signals to the random access memory RAM This RAM can be accessed with addresses 8000 to 9FFF if either ROM SELECT or PAGE SELECT signals are HI In this mode the ROMS U2160 and U2260 are not acces sible in this address range HEX DECODED BY ADDRESS U2250 0000 07FF 0800 OFFF 1000 7FFF 8000 FFFF RAM U2460 ADDRESS DECODING U2550 RESERVED FOR OPTIONS ROMS U2160 AND U2260 RAM U2460 HE...

Page 43: ... top 32K bytes of addressable space cause one of the two read only memory integrated circuits to be enabled See Address Decode description Instructions are read out of the enabled ROM or PROM IC from the address location present on its 16 address input pin AO through A14 Page Select The eight bit data byte from the addressed loca 3 8 tion is placed onto the Buffered Data Bus BOO through 807 to be ...

Page 44: ...sor breaks from execution of its mainline program The Microprocessor first resets Binary Counter U2640 by setting pin 19 of U2301 diagram Theory of Operation 2465A 2467 Service 2 HI to generate the reset then it resets pin 19 LO to allow the counter to start again At this time the Micropro cessor sets analog control voltages and reads trigger status from the Display Sequencer diagram 5 When this i...

Page 45: ...stored in firmware If the NO CAL bit is pulled LO the calibration routines may not be performed If the jumper is removed and neither bit is pulled LO the Microprocessor is forced into a special 3 10 diagnostic mode CYCLE used to record certain operating failures during long term testing of the instrument See the Maintenance section for an explanation of the diag nostic modes Removing P501 or switc...

Page 46: ... Front Panel controls diagram 3 are cold controls i e they are not connected directly into the sig nal path Therefore associated circuits are not influenced by the physical parameters such as capacitance resis tance and inductance of the controls In addition translating the analog output levels of most of the poten tiometers to digital equivalents allows the processor to handle the data in ways th...

Page 47: ...301 ROW 1 AND U2201 r being read to comparator U2510 where it is compared with the output of DAC U2101 The processor changes the DAC output until it most closely matches the output voltage of the pot then stores the digital value of the match See the Pot Scanning description in the Ana log Control discussion for further information on the read ing of pot values Like the switch matrix scanning the ...

Page 48: ...centre to the opposite wiper arm is based on specific voltage levels being sensed Sensing specific voltage levels is also used when read ing the VOLTS DIV VAR SEC DIV VAR and HOLDOFF controls These pots have both a mechanical detent and a processor generated electrical detent As one of these controls is moved out of the mechanical detent position Theory of Operation 2465A 2467 Service the processo...

Page 49: ...t 16 bit control words are serially clocked into shift registers U140 and U150 eight bits in each regis ter Each control word is used to set the position of one of the eight attenuator and coupling relays four relays are in each attenuator assembly Each control word will have only the bit corresponding to the specific relay contact to be closed set HI Relay buffers U110 and U130A for Channel 1 and...

Page 50: ...constant in RAM and is recalled at regular intervals to set the DC Bal level holding the Preamplifier in a de balanced condi tion Theory of Operation 2465A 2467 Service The Channel 1 VOLTS DIV VAR control is monitored by the Microprocessor during the front panel scanning rou tine When the processor has determined where the VOLTS DIV VAR control is positioned it causes DAG U2101 diagram 2 to produc...

Page 51: ...190 follows the 5 V supply applied to R198 This tracking arrange ment ensures that the supply voltages are of equal magni tudes to minimize de offsets in the output signals Scale Illumination The Scale Illumination circuit consists of U130C U130D U130E U130F and associated components The circuit enables the operator to adjust the illumination level of the graticule marks on the crt face plate usin...

Page 52: ...ta string is clocked into U650 to the internal control register by the processor generated control clock applied to pin 24 The data string is organized in several fields with each field defining the operating mode of one specific instrument function Theory of Operation 2465A 2467 Service Display Sequencer U650 controls the various functions defined by the data fieids by setting the ieveis of the a...

Page 53: ...processor checks the contents of this register every 3 3 ms to determine the current status of the trigger and 3 18 sweep circuitry The Microprocessor reads the trigger status register by generating a series of trigger status strobe TSS pulses U650 pin 19 to serially clock the contents of the register out to the TSO trigger status output line and onto the Data Bus via Status Buffer U2220 on diagra...

Page 54: ...icai Output Ampiifier U600 To disabie the trace separation function the Display Sequencer sets the TS1 TS2 control line HI turning on 0600 and shunting the trace separation signal to ground X10 MAG SELECT The MAG sweep magnifier output pin 39 drives the magnifier control input pin 14 of Horizontal Output hybrid U800 and the select input pin 9 of analog switch U860C diagram 6 Analog switch U860C ro...

Page 55: ... the 2467 When holdoff time requirements are met determined by the number of ramps counted the Display Sequencer sets the THO trigger holdoff signal LO This enables both the A Sweep hybrid U700 and the A Trigger circuitry in USOO 3 20 The Trigger circuit begins monitoring the selected trigger source line and when a triggering event is detected that meets the triggering requirements defined by the ...

Page 56: ...trigger event The B Trigger Holdoff input THOB U500 pin 39 is held HI keeping the B Trigger reset until the A Sweep Delay Gate DG U700 pin 41 goes LO see the following A Sweep description When DG goes LO the B Trigger por tion of U500 is enabled The B Sweep Trigger functions in a manner similar to that of the A Sweep Trigger just described SR2A B H H H L L H Theory of Operation 2465A 2467 Service ...

Page 57: ...trigger holdoff line from the Display Sequencer on pin 1 and the TRIG trigger line from the trigger hybrid on pin 2 must all be LO With these three inputs LO the A SWEEP ramp begins and the sweep gate SG output pin 45 goes LO The buffered sweep gate signal SGA at the output of U980A returns to the Display Sequencer through R981 to indicate that the A Sweep is active The sweep gate signal is used b...

Page 58: ...he lower limit of the CALI BRATOR output signal Theory of Operation 2465A 2467 Service As the CAL signal goes from LO to HI the emitter of U550D is pulied Hi to reverse bias U550C Bias current for Q550 is established and the transistor is turned on The voltage at the emitter of Q550 rises to a level of 2 4 volts determined by the voltage regulator composed of U165B U550A U550B and associated compo...

Page 59: ... The output signal either the readout vertical signal or the ground reference level is applied to the CHS input of Channel Switch U400 via R495 and R412 The inverting amplifier circuit composed of U475A U47SB U47SD and associated components inverts the readout vertical signal for application to the CHS input The amplifier is an inverting unity gain configuration with transistors U475A and U47SB co...

Page 60: ...ent is provided with a beam finding feature When the front panel BEAM FIND button is pushed the beam find input pin BF pin 15 of U600 will be pulled HI While BF is HI the dynamic range of Vertical Output Amplifier U600 is reduced and all deflected traces will be held to within the vertical limits of the crt graticule Theory of Operation 2465A 2467 Service Also the activation of the BEAM FIND switc...

Page 61: ...applied to U950 pin 5 also from the Display Sequencer blanks the trace during sweep retrace chop switching and readout blanking by reducing the VZ OUT signal to a blanked level Sweep gate z axis signals SGAZ and SGBZ from the A Sweep and B Sweep hybrids U700 and U900 respec tively diagram 5 are applied to the Z Axis Amplifier on pins 4 and 3 These signals turn the beam current on and off for the r...

Page 62: ... information for the display of the dV and þÿ t measurement cursors The eight bit character code written to each location in RAM points to a block of addresses in Character ROM U2930 This block in the ROM contains the dot position information for the specific character to be displayed at the associated crt position Blanking Affected By Typical Display BLANK Readout BLANK SGAZ SGBZ Delayed Sweep BL...

Page 63: ...fter 15 ROS1 strobes have occurred seven bits of character data are latched into U2860 and the eighth character bit and seven of the character address bits are latched into character address register U2960 though they have not been shifted into their correct positions for addressing the RAM At this point the last character bit remains to be shifted into the registers but the operating mode must be...

Page 64: ... address locations store cursor information Theory of Operation 2465A 2467 Service The eight bits of data written to one of these locations from the Readout 1 0 stage is a code that identifies the specific character or cursor segment that should be displayed at the associated crt location After the display data is written into the RAM the Character Counter is allowed to address the RAM incrementin...

Page 65: ...comes from U2870 pin 3 30 3 and is ORed by U2835A with bit COO from the Charac ter RAM The block address for these larger characters always has bit COO set LO so the counter bit from U2870 pin 3 is in control of the ROM address line at pin 4 of U2930 When displaying these larger characters the dot count goes beyond 16 dots before the EOCH bit is set LO On the seventeenth character the fifth counte...

Page 66: ...ched into U2905 when GETDOT next goes HI This produces a HI at U2905 pin 5 enabling the Mode Select Logic to decode output bits 003 004 and 005 from U2905 to determine which of the four possible cursor modes is selected see Table 3 6 Once one of the cursor modes is entered ana log switch U2800 routes a fixed HI from pin 5 pin 2 or pin 4 to U2905 to keep the Mode Select Logic enabled Char acter dis...

Page 67: ...ITY j 2 3 OR 4 SWEEP GATE I _ ______ _______ I VARIABLE VARIABLE HOLDOFF ITRIGGERABLEI SWEEP HOLDOFF i TI ME TI ME TI ME TI ME 3831 05 Figure 3 7 Readout display priorities 3 32 The next most desirable time for dots to be displayed is during triggerable time that time between sweeps when the oscilloscope is waiting for a sweep trigger event to occur This is designated priority two and may cause sl...

Page 68: ...escribed is the priority one display mode and is used when holdoff time between sweeps allows all dots of the subframe to be displayed before the next ROSFRAME request occurs If a second ROSFRAME request occurs before the Character Counter indicates the end of the subframe to decrement the prioritizer back to zero input S1 of U2985 will be set HI while the SO input pin remains LO and the Prioritiz...

Page 69: ... which is automatically initiated by EOCH2 until the Display Sequencer determines that the readout time is over sets ROA HI or until the display priority is decremented to zero 3 34 When a display priority of three or four exists the out put of U2990B will be LO and U2970B U2880A and the associated logic gates following it will not be able to ini tiate a dot cycle In either of these display priori...

Page 70: ...t display thus the first dot of a character is never displayed Disabling the unblanking path for the first dot of each character in the manner just described allows the more radical voltage changes between characters to settle before the actual display of the next character begins When the dot data for one of these undisplayed dots also has the EOCH bit set LO it is a space character and the displ...

Page 71: ...ltage level tends too positive a slightly positive voltage will develop across C1932 This voltage causes the outputs of integrator U1956A and voltage follower U19568 to move negative The negative shift charges capacitor C1951 to a different level around which the induced feedback voltage at the base drive winding will swing The added negative bias causes 01981 to turn on earlier in the oscillation...

Page 72: ...ontrol grid and increases the strength of the lenses more at higher crt beam currents A higher beam current requires a stronger lens to cause an equal conver gence of the beam Theory of Operation 2465A 2467 Service DC Restorer The DC Restorer provides crt control grid bias and cou ples both the de and the low frequency components of the Z Axis drive signal to the crt control grid This circuit allo...

Page 73: ...TPUT VZ OUT r av TO 73V J L av AC DRIVE CiS50 FROM PIN 7 r __ _ __ OF T1970 1 5 0 V OV 150V 15V 42V GRID BIAS CR1990 R1994 42V on C1990 dissipates slowly therefore if instrument power is turned off and then immediately back on again the out put of U1890A will still be near the 15 V limit rather than starting at zero volts as when the crt was cold Z AXIS DRIVE LEVEL The variable level Z Axis signal...

Page 74: ...ve Z Axis signal increases accordingly This increased signal amplitude decreases the difference between the upper and lower clamped levels of the ac Theory of Operation 2465A 2467 Service waveform and less charge is added to capacitor D The decreased voltage across capacitor D decreases the potential difference between the control grid and the cathode and more crt beam current is allowed to flow I...

Page 75: ... Micro Channel Plate element of the CRT The MCP Bias Supply voltage is set by Intensity control information DIR input voltage and MCP Bias con trol R4365 As the Intensity control voltage is increased from minimum to maximum the MCP Bias Supply also increases from minimum to maximum When the DIR input is between O to 2 5 V the MCP Bias stays at its minimum voltage When the DIR input is varied betwe...

Page 76: ...e secondary winding is a function of the turns ratio of the transformer windings Theory of Operation 2465A 2467 Service High Voltage Oscillator The High Voltage Oscillator transforms power obtained from the 15 volt unregulated supply to the various ac levels necessary for the operation of the crt circuitry The circuit consists of transformer T4340 switching transistor 04350 and associated circuitr...

Page 77: ...e a slightly positive voltage will develop across C4344 This voltage causes the output of regulator U4366A to move negative The negative shift charges capacitor C4363 to a different level around which the induced feedback voltage at the base drive winding will swing The added negative bias causes 04350 to turn on earlier in the oscillation cycle and a stronger current pulse is induced in the secon...

Page 78: ...ain the clamp voltage will be shunted to the 42 V supply by transistor Q4331 Operational amplifier U4332A sinks a time dependent variable current away from the base of Q4331 that modifies the crt grid bias during the first few minutes of instrument operation The circuit compensates for the changing grid drive characteristics of the crt as it warms up At power up capacitor C4430 begins charging thr...

Page 79: ...produces a control grid bias that barely shuts off the crt electron beam 3 44 As the INTENSITY control is advanced the amplitude of the square wave Z Axis signal increases accordingly This increased signal amplitude decreases the difference between the upper and lower clamped levels of the ac waveform This decreases the potential difference between the control grid and the cathode and more crt bea...

Page 80: ...constant current load Coupling capacitor C4411 provides an AC signal to Q4403 to also use it as an AC voltage amplifier The output is AC coupled to CRT Theory of Operation 2465A 2467 Service pin 4 which is also supplied a high negative DC focus volt age from the static focus circuit Current limiting resistor R4405 and diodes CR4410 and CR4411 across Q4402 and Q4403 respectively protect the transis...

Page 81: ...r alignment between the x axis and y axis deflections 3 46 LOW VOLTAGE POWER SUPPLY The low voltages required by the instrument are pro duced by a high efficiency switching power supply This type of supply directly rectifies and stores charge from the ac line supply then the stored charge is switched through a special transformer at a high rate generating the various supply voltages Line Rectifier...

Page 82: ...1025 will be charged up to that level and held there Theory of Operation 2465A 2467 Service PREREGULATOR START UP As the supply for the Preregulator Control IC is established an internal switching oscillator begins to run The oscillator generates a repetitive triangular wave as shown in Figure 3 11 at a frequency determined primarily by R1032 and C1032 The simplified schematic of Figure 3 12 illus...

Page 83: ...E Q1060 DRIVE Q1070 DRIVE LOW COMING UP the other input of U3 The resulting drive signal has an approximate 50 duty cycle and will respond to changes in either the ac line voltage or supply load conditions Depending on the output levels sensed the duty cycle of the drive signal will change sensed level rises or falls with respect to the triangular waveform to hold the secondary supplies at their p...

Page 84: ...osite control responses occur Further infor mation about the FB signal is given in the 5 V Inverter Feedback description FB Theory of Operation 2465A 2467 Service Error amplifier U4 and the voltage divider composed of R1035 and R1031 piOvide a backup sensing circuit Its operation is similar to that of error amplifier U2 just described but it senses at a slightly higher level As long as U2 is opera...

Page 85: ... signals are buffered by inverters U1066A and U1066B and applied to switching transistors 01060 and 01070 to alternately tum them on and off at one half 3 50 the switching rate of 01050 By alternately switching opposite ends of the primary winding to ground the current flowing through switching transistor 01050 will flow alternately in each half of the primary winding This produces ac voltages at ...

Page 86: ...n 2 and therefore the voltage at pin 3 of U111 0 to increase and the fan motor speed increases to provide more cooling capacity Theory of Operation 2465A 2467 Service LOW VOLTAGE REGULATORS The Low Voltage Regulators remove ac noise and rip ple from the various unregulated de supply voltages Each regulator output is automatically current limited if the out put current exceeds the requirements of a...

Page 87: ...way from the reference pin of the three terminal regulator via diode CR1263 This lowers the volt age on the reference pin and holds the output at 15 V 3 52 The other voltage sensing amplifier U1371A ensures that the relative polarity between the 15 V supply and the 42 V supply is maintained preventing component damage in the load circuitry Should the 42 V supply be pulled below 15 V excessive load...

Page 88: ...from the secondary rectifiers begin coming up to their proper levels A 2 5 V reference voltage is applied to opera tional amplifier U1371D pin 12 and forces the output high biasing Q1376 on Theory of Operation 2465A 2467 Service Before any of the Low Voltage Regulators may function properly the 10 V ieference voltage must be established as previously described When the 15 V Regulator turns on curr...

Page 89: ...ng used see Preparation for Use in Section 2 Connect the instrument to be checked and the test equipment to an appropriate power source Turn the instrument on and ensure that no error message is displayed on the CRT If an error message is present have the instrument repaired or calibrated by a qualified service technician befOie performing this procedure The procedure is divided into sections to p...

Page 90: ... ns to 5 s in a 1 2 5 sequence Check horizontal timing TEKTRONIX TG 501 Marker accuracy 0 1 For CTI and CTI CTI requires TG501 A checks accuracy 0 00005 option 01 7 Oscilloscope with Bandwidth 350 MHz General Purpose Check power supply TEKTRONIX P6136 10X Standard ripple and output 2467 2465A Accessory Probe signals Troubleshooting 8 T Connector 2 Impedance 50 n Connectors BNC Signal interconnecti...

Page 91: ...just variable resistors TEKTRONIX Part Alignment Tool and capacitors Number 003 0675 00 21 1X Probe Attenuation 1X Bandpass 20 MHz Check power supply TEKTRONIX P6101 01 ripple 22 Normalizer Input resistance 1 Mn Input Check input TEKTRONIX Part capacitance 15 pf capacitance Number 067 0537 00 23 Tunnel Diode Pulser Rise time 125 ps or less Check transient TEKTRONIX Part response Number 067 0681 01...

Page 92: ...Off 1 MU GND 10 ms knob in In detent Off Fully CW 50 n BNC Termination Item 12 Subminiature Probe Tip to BNC Adapter Item 13 BNC Female to BNC Female Adapter Item 14 BNC Female to Dual Banana Adapter Item 15 2X Attenuator Item 16 5X Attenuator Item 17 1OX Attenuator Item 18 Delta t and v TRACKING Trigger HOLDOFF LEVEL SLOPE A 8 TRIG SELECT MODE SOURCE COUPLING Off press and release until associate...

Page 93: ...H 2 and repeat parts a through o to verify 50 n OVERLOAD protection for CH 2 2 Check CH 1 and CH 2 Low Frequency AC Coupling a Set Performance Check 2465A 2467 Service NOTE Select channels to set VOL TS DIV CH 1 CH 2 VOLTS DIV 100 mv CH 1 VERTICAL MODE On CH 2 VERTICAL MODE Off A SEC DIV 10 ms knob in CH 1 and CH 2 Input Coupling 1 Mn GND b Connect the CALIBRATOR output signal to the CH 1 OR X inp...

Page 94: ...IMIT 2mV 2mV On On Off CH 1 CH 2 6 V On press and release for a 6 V readout A SEC DIV TRIGGER MODE 1 ms knob in AUTO NOTE The instrument must have had at least 20 minutes warmup prior to performing the following steps b Momentarily press and hold both the CH 1 and CH 2 upper Input Coupling buttons until a moving dot display replaces the normal signal This performs a DC Balance of CH 1 and CH 2 and...

Page 95: ... CH 1 CH 2 INVERT and Delta Volts Readouts VOLTS Stand Vertical Delta Volts Limits of Trigger LEVEL DIV ard Deflection Readout Readout Switch Ampli Accuracy Accuracy Setting 2 n limits DC Couplhig NOISE REJ Coupling 1 uu _ CH 1 Input divisions 1 25 0 03 div and Level Peak Peak Peak Peak CH 2 2mV 10 mV 4 90 to 5 10 9 81 mV to 10 20 mV 8 0 mV to 12 0 mV 1 7 mV to 1 7 mV 5mV 20mV 3 92 to 4 08 19 6 mV...

Page 96: ...ents repeat sections 16 19 for TRIG l DL Y trigger mode using the Peak and Peak columns of Table 4 2 20 Push the SEC DIV knob in 21 Change the VOLTS DIV to the next position listed in Table 4 2 22 Set the Calibration Generator to the correspond ing signal amplitude setting 23 Press and release the V pushbutton to obtain the V readout display 24 Repeat subparts 4 through 23 of part e for each VOLTS...

Page 97: ...alibration Generator to the correspond ing signal amplitude setting 7 Repeat subparts 3 through 6 of part q for each VOLTS DIV setting listed in Table 4 3 Performance Check 2465A 2467 Service Table 4 3 Accuracy Limits CH 1 and CH 2 VOLTS DIV 50 fl Coupling VOLTS DIV Vertical Setting Standard Deflection CH 1 Amplitude Accuracy and Input 3 in CH 2 Level divisions 2mV 20 mV 4 85 to 5 15 5 mV 50mV 4 8...

Page 98: ... or less when CH 2 INVERT is on gg Set VERTICAL MODE CH 3 On CH 1 CH 2 CH 4 ADD andlNVERT Off 4 10 hh Move the Dual Input Coupler to the CH 3 and CH 4 input connectors ii CHECK VOLTS DIV and TRIGGER LEVEL Readout accuracies for both setting input level combinations listed in Table 4 4 as in subparts 4 through 23 of part e jj Set the Calibration Generator output level and VERT ICAL POSITION control...

Page 99: ...rmed In this case proceed to subsection 6 below h CHECK 1 control will position the CH 2 display 1 division or more 500 ps to either side of the CH 1 display i Superimpose the rising edges of the pulses using the n control Trigger LEVEL Readout When Barely Triggered at the Indicated Peak Peak Peak 0 455 V to 0 545 V 0 03 V 1 82 V to 2 18 V 0 12 V j Turn X10 MAG off and push in the SEC DIV knob k D...

Page 100: ...generator output for a 4 division display at the reference frequency then change the generator fre quency to 300 MHz q CHECK Signal display amplitude is 2 82 divisions or greater while sweeping the generator frequency from 300 MHz to 350 MHz 4 12 r Move the signal to CH 4 and set the VERTICAL MODE to display CH 4 only s CHECK Repeat parts k through q for CH 4 t Disconnect the test setup 7 Check Co...

Page 101: ...eveled Sine Wave Generator with the Secondary Leveled Sine Wave Generator with the leveling head and connect the generator to the CH 1 OR X input connector m Set the TRIGGER SOURCE to CH 1 n Set the generator output frequency to 350 MHz and the output level for an 8 division display o CHECK Amplitude of each trace other than CH 1 is 0 16 division or less discount trace width p Move the signal to t...

Page 102: ...itude is 4 5 to 5 5 divisions discount trace width e Set CH 2 Input Coupling to GND and align the trace with the center graticule line f CHECK Trace noise is 1 2 divisions peak to peak or less 4 14 g Set CH 1 Input Coupling to GND and align the trace with the center graticule line h Return CH 1 Input Coupling to 1 Mn DC i Set the CH 1 VOLTS DIV to 10 mV j CHECK The baseline of the display is withi...

Page 103: ...d Item 10 Dual Input Coupler Item 11 50 n BNC Termination 2 required Item 12 Adapter Item 25 Adapter Item 26 2 Required Delta i lt and i lV TRACKING Trigger HOLDOFF LEVEL SLOPE MODE SOURCE COUPLING Off press and release until associated readout is off Off 8 ENDS A fully CW Midrange plus AUTO LVL VERT DC 1 Check A and B Triggers NOTE The Trigger Level Readout Accuracies are checked in the Vettical ...

Page 104: ...er wise indicated for each of the Test Frequency TRIGGER COUPLING combinations listed in Table 4 5 When testing the 300 MHz triggering check that trigger jitter is 100 ps 0 2 division at 5 ns div with X10 MAG with 5 divisions of signal and TRIGGER LEVEL adjusted for minimum jitter g Press the ADD button to select the function and press the CH 1 button to turn off the CH 1 display h Repeat the DC T...

Page 105: ...ion and not cause for concern Performance Check 2465A 2467 Service p Verify that the CRT readout displays DLY and not t If t is displayed press the t button in and release it to select the DLY function When DLY is displayed rotate the REF OR DLY POS control CCW until the readout display indicates zero delay The display will indicate DLY which is normal q Press the A 8 TRIG button to select the B T...

Page 106: ...eration and not cause for concern o Rotate the 6 REF OR DLY POS control CCW until the delay readout indicates DLY 0 00 µs p CHECK Display will trigger as the TRIGGER LEVEL control is rotated through its range q Rotate the SEC DIV knob back to 10 µS knob in r Disconnect the test setup 4 18 3 Check Trigger Noise Rejection All Channels a Set NOTE Select channels to set VOLTS DIV CH 1 VOLTS DIV CH 2 V...

Page 107: ...nob in Off AUTO LINE AC 5V 1 Mn DC Performance Check 2465A 2467 Service In the next part DO NOT connect the probe ground lead to the ac power source b Attach the 1OX probe to the CH 1 OR X input con nector and connect the probe tip to the ac power source c CHECK Display can be triggered in both the plus and minus positions of the SLOPE switch using the TRIGGER LEVEL control and that the displayed ...

Page 108: ...ODE SOURCE COUPLING BENDS A Midrange plus AUTO LVL VERT DC 1 Check Horizontal Display Modes A A INTEN ALT and B a Use a 50 fl BNC cable to connect 200 ns time mark ers from the Time Mark Generator to the CH 1 OR X input connector b Adjust the TRIGGER LEVEL control as necessary for a stable signal display c Pull the SEC DIV knob out and set the B TRIGGER MODE to RUN AFT DLY NOTE On CTT instruments ...

Page 109: ...uracies are within the limits given in Tables 4 7 and 4 8 NOTE If the 2nd and 10th time markers are within 0 06 division of the 2nd and 10th vertical graticule lines for unmagnified sweeps and within 0 1 division for magnified sweeps the sweep timing accuracy is con servatively within limits When the timing accuracy is checked at each sweep speed note any SEC DIV setting at which the timing error ...

Page 110: ...0 µS to 80 70 µS 1 µS 158 60 µS to 161 40 µS 2 µS 396 5 µS to 403 5 µS 5 µS 793 0 µS to 807 0 µS 10 µS 1586 0 µS to 1614 0 µS 20 µS 3965 µS to 4035 µS 50 µS 7 930 ms to 8 070 ms 100 µS 15 860 ms to 16 140 ms 200 µS 39 65 ms to 40 35 ms 500 µS 79 30 ms to 80 70 ms 1 ms 158 60 ms to 161 40 ms 2 ms 396 5 ms to 403 5 ms 5 ms X10 Limits of t Cursor Readout 3 94 ns to 4 06 ns 2 cycles 7 89 ns to 8 11 ns...

Page 111: ... readout indicates a difference of 0 30 ns or less Over Any 4 Div 5 Div 6 Div 7 Div 8 Div 9 Div 10 Div 0 09 0 10 0 10 0 11 0 12 0 12 0 13 Div Div Div Div Div Div Div 0 11 0 12 0 13 0 14 0 16 0 17 0 18 Div Div Div Div Div Div Div 1 5 1 6 1 7 1 8 1 9 1 10 1 11 2 6 2 7 2 8 2 9 2 10 2 11 3 7 3 8 3 9 3 10 3 11 4 8 4 9 4 10 4 11 5 9 5 10 5 11 6 10 6 11 7 11 n Rotate the A REF OR DLY and the A controls t...

Page 112: ...llowing setup of the CTT while performing the Delta Time performance check 4 24 1 Push the upper TRIGGER MODE button for MENU 2 Adjust the A REF OR DLY POS or A control to underline COUNT in the CTT MENU 3 Push the upper TRIGGER MODE button 4 Adjust the A REF OR DLY POS control to underline MODE 5 Adjust the A control to underline PERIOD 6 Adjust the A REF OR DLY POS control to underline EVT 7 Adj...

Page 113: ... the Verti cal VOLTS DIV and Trigger LEVEL as required j Press and release the At button to obtain a At display Push in the SEC DIV knob for B sweep only Adjust the A control for a readout display of At 20 00 ns If the time markers are not superimposed adjust the A control to do so k CHECK At readout is within the iimits iisted in Table 4 9 for the first 5 ns time marker then check that the 9th an...

Page 114: ...hod 1 Starting with the 0 5 µs test in Table 4 9 X10 MAG off turn TRACKING off 2 Press and hold the TRACKING button then push the SEC DIV knob in This will lock the sweeps together at that difference 3 Pull the SEC DIV knob out The fastest sweep speed at which the X100 difference is maintained is with an A SEC DIV of 500 ns and a B SEC DIV of 5 ns after which only the A sweep speed 4 26 Table 4 10...

Page 115: ... 1 V VERTICAL MODE CH 1 ON CH 2 3 4 and INVERT Off CHOP ALT ALT 20 MHz BW LIMIT Off Input Coupling CH 1 and CH 2 son DC Horizontal A SEC DIV 1Ons knob in SEC DIV VAR In detent X10 MAG Off TRACE SEP Fully CW Delta At and AV Off press and release until associated readout is off TRACKING Off TRIGGER HOLDOFF A and B LEVEL A and B SLOPE A MODE B MODE A and B SOURCE A and B COUPLING CTT and WR Options F...

Page 116: ...ur divisions in amplitude c Push the upper TRIGGER MODE button to reinitial ize the auto trigger level d CHECK Reading is between 99 9995 MHz and 100 0005 MHz 4 28 4 Check Minimum Input Frequency a Set the time mark generator to produce 2 s time markers b Set CH 1 VOLTS DIV A TRIGGER MODE A SEC DIV 100mV NORM 50 ms knob in c Adjust the A TRIGGER LEVEL control for a stable trigger d CHECK Reading i...

Page 117: ...ggered k Push and release the At button until the Delta Time readout appears I Turn the A control to intensify the rising edge of the second square wave m Turn the A REF OR DLY POS control to intensify the rising edge of the second square wave n CHECK Reading is between 0 00005 µs and 0 00005 µS o Turn the A control to intensify the rising edge of the eleventh square wave p CHECK Reading is betwee...

Page 118: ... TRIG h Push the upper TRIGGER MODE button 4 30 i Turn the control to underline A A B On instru ments without Option 09 underline A B j Push the upper TRIGGER MODE button k Push in the SEC DIV knob I Adjust the 8 TRIGGER LEVEL for a readout of o oov m Push the A B MENU button to illuminate an A TRIGGER MODE indicator n Adjust the A TRIGGER LEVEL for a readout of 1 00 V o Set the CH 1 Input Couplin...

Page 119: ...upper TRIGGER MODE button to enter Period mode I Push the upper TRIGGER MODE button to reinitialize the auto trigger level Performance Check 2465A 2467 Service m Turn the SEC DIV to 5 µS n Pull out the SEC DIV knob o Push the A 8 MENU button for RUN AFT DLY p Adjust the A REF or DLY POS for a delay of 5 00 µS q Push lower TRIGGER MODE button once r Push SLOPE button to select Slope if necessary s ...

Page 120: ...r a sweep speed readout on bottom line of readout of 20 ms and adjust the Time Mark Generator variable timing control for exactly 2 time markers per division d CHECK The Time Mark Generator variable timing of error has changed 2 or less from the reading noted in part b 4 32 e Adjust the SEC DIV VAR control fully CCW f CHECK Sweep speed readout displays 30 0 ms g Set the Time Mark Generator variabl...

Page 121: ...ay Performance Check 2465A 2467 Service b Set the CH 2 VERTICAL MODE off CH 1 displays automaticaiiy c Use the CH 1 VERTICAL POSITION control to vertically center the display on the graticule d CHECK Ellipse opening is 0 1 division or less measured horizontally e Set the CH 2 VERTICAL MODE on f Set the generator for a 2 MHz 6 division horizontal display g Set the CH 2 VERTICAL MODE off h CHECK Ell...

Page 122: ...INIT 50 plus AUTO LVL CH 1 DC 50 o BNC T Connector Item 8 50 o BNC Cables 2 required Item 10 1 Check CALIBRATOR Repetition Rate NOTE Refer to the Adjustment Procedure to check the accuracy of the CAL BRATOR output levels a Connect a 10X probe from the CALIBRATOR termi nal to the CH 1 OR X input connector b Connect 1 ms time markers from the Time Mark Generator to the CH 2 input connector via a 50 ...

Page 123: ...as stopped the word SET will disappear and the readout will display the direct measurement from the CTT Performance Check 2465A 2467 Service b Connect a test oscilloscope to the A GATE OUT connector located on the instrnment ieai panel via a 50 n BNC cable c CHECK Test oscilloscope displays a signal with a high level between 2 4 V and 5 V and a low level between 0 V and 0 4 V d VERIFY Duration of ...

Page 124: ... release until associated readout is off Off B ENDS A fully CW Midrange plus A AUTO VERT DC 1 Verify ALT CHOP and ADD Modes and TRACE SEP a VERIFY CH 1 trace is visible with no VERTICAL MODE buttons selected b Press the CH 2 VERTICAL MODE button c VERIFY CH 1 trace is not displayed and the CH 2 trace is displayed d Press the CH 1 VERTICAL MODE button NOTE Separate the traces by approximately 1 div...

Page 125: ...cal POSITION 1 ms knob in On Off On Midrange Midrange b Press and hold the BEAM FIND button Performance Check 2465A 2467 Service c VERIFY The trace is less than 10 divisions long and remains in the graticule area as the CH 1 POS T ON control and the Horizontal POSITION controls are rotated through their complete ranges d Release the BEAM FIND button and set the VERTI CAL POSITION and Horizontal PO...

Page 126: ...or to the CH 1 input connector Use the T connector at the CH 1 input d Connect the output of pulse generator 2 via a 50 o cable and T connector to the CH 2 input connector Use the T connector at the CH 2 input e Connect the Word Recognizer probe to the P6407 input connector at the rear of the instrument f Connect a BNC male to dual binding post adapter to the T connector on the CH 1 input and conn...

Page 127: ... of the Word Recognizer to the wire on the red binding post of the CH 2 input y Set the A and B SEC DIV switch to 20 ns Performance Check 2465A 2467 Service 2 Check Data Setup Time a For each test setup described in Table 4 11 1 Vary increase the pulse duration of pulse gen erator 2 until the active edge of the channel 2 signal falls about 10 ns after the trigger edge of the channel 1 signal 2 CHE...

Page 128: ... Minimum Clock Pulse Width a Set pulse generator 1 to produce a 5 ns positive pulse every 1 µs b Push the A 8 MENU button 4 40 c Push the upper TRIGGER MODE button to reinitial ize the auto trigger level d Push the A 8 MENU button e For each test setup described in Table 4 13 1 If there is not a stable signal displayed on chan nel 3 vary increase the pulse duration of pulse generator 1 until chann...

Page 129: ...pulse generator 1 to produce a positive 0 5 µs pulse every 1 µS Performance Check 2465A 2467 Service b Disconnect the C input of the Word Recognizer from the wiie on the ied binding post of the CH 1 input c Connect the a and W0 W15 inputs of the Word Recognizer to the wire on the red binding post of the CH 1 input d For each test setup described in Table 4 15 1 Push the 6 t button 2 Turn the 6 REF...

Page 130: ...e CH 2 input g Push the A B MENU button h Push the upper TRIGGER MODE button to reinitial ize the auto trigger level i Vary decrease the pulse duration of pulse generator 4 42 2 until further decrease makes the channel 3 display unstable j Push the t button k Turn the REF OR DLY POS control to align the delta reference cursor with the falling edge of the channel 2 signal I Turn the control to alig...

Page 131: ...uence presented and in their entirety to ensure that control settings will be correct for the following steps The adjustments in CAL 01 02 03 and 04 should be performed in numerical sequence i e CAL 01 should be done before CAL 02 CAL 02 should be done before CAL 03 etc Performing partial procedures when setting the automatic calibration constants i e only one or two of the CAL steps is not recomm...

Page 132: ...ibration In this case the instrument should be repaired before attempting calibration Initial Control Settings Control settings not listed will not affect the procedure VERTICAL VOLTS DIV CH 2 CH 3 and CH 4 CH 1 and CH 2 VAR VERTICAL MODE CH 1 CH 2 CH 3 CH 4 ADD INVERT and aw LIMIT ALT CHOP POSITION Input Coupling CH 1 and CH 2 5 2 100mV 100 mV In detent On Off Off ALT Midrange 1 MO DC Horizontal ...

Page 133: ...292 for a DMM reading of precisely 10 00 V The adjustment is accessible through a hole in the top cover plate g Using a 1X probe connect the test oscilloscope probe ground lead to chassis ground Connect the probe tip to the first test point listed in Table 5 1 d Repeat parts a and b for the other test points listed in Table 5 1 e Disconnect the DMM f Set the test oscilloscope as follows Sweep Spee...

Page 134: ...op line of the readout display says DIAGNSTIC PUSH A 8 TRIG TO EXIT NOTE The menu of calibration test and exercise rou tines are in a loop that may be scrolled through in single steps either forward or backward Pressing the up or down TRIGGER MODE push buttons respectively increments or decrements the menu position by one As each routine is selected its name appears in the lower left comer of the ...

Page 135: ...1 pin 9 main board Set bench scope volts div to 10V and SEC DIV to 1 µS Adjustment Procedure 2465A 2467 Service NOTE The Bench Scope display will be a combination of Trace and Readout unblanking pulses The higher amplitude pulses are the Trace unblanking pulses This pulse is the one the following adjustment refers to To facilitate triggering the Bench Scope trigger level should be adjusted to slig...

Page 136: ...ment can not be made as described in part d above because the trace is either too dim or too bright the Z Axis Drive can be changed to allow correct adjustment The Z Axis Drive is nominally adjusted at 40 Volt peak to peak signal The selectable ranges are 60V 50V 40V 32V 26V 20V and 16V If the display at part d above is too bright reduce the Z Axis Drive by pressing the down TRIGGER COUPLING butto...

Page 137: ...n by one As each routine is selected its name appears in the lower left corner of the readout display c Scroll to CAL 08 NOTE In this procedure pressing the up TRIGGER COU PLING button increments the routine to the next step Pressing the down TRIGGER COUPLING but ton will return to the previous step d Press and release the upper TRIGGER COUPLING button to initiate the routine e Using the CH 1 Vert...

Page 138: ...ain focused v REPEAT Parts I through u as necessary to obtain optimum focus w Press and release the upper TRIGGER COUPLING button to advance to the next step 5 8 2 Adjust Z AXIS DRIVE R949 a ADJUST Z Axis Drive R949 full CCW for max imum display intensity NOTE If the Z Axis Drive adjustment R949 is not installed no adjustment is necessary b Press and release the upper TRIGGER COUPLING button to ad...

Page 139: ...tensity to view the signal b Center the display on the graticule c Set INTENSITY control full CW full intensity Adjustment Procedure 2465A 2467 Service d ADJUST Horizontal POSITION control to view the sweep start e ADJUST High Drive Focus R1842 for the best overall focus of the trace f Set INTENSITY control to mid range g Disconnect Generator from the CH 1 input h Press and release the upper TRIGG...

Page 140: ... TRIGGER MODE SOURCE COUPLING SLOPE LEVEL HOLDOFF 5 10 100 mV In detent 1 MQ DC On Off Off ALT Midrange 100 µS knob in In detent Midrange AUTO LVL VERT DC plus Midrange In detent Delta t TRACKING INDEP INTENSITY READOUT INTENSITY SCALE ILLUM FOCUS On t readout INDEP Left of center As required for a visible display Fully CCW Best focused display 1 Adjust DAC Ref R2010 NOTE The objective of this ste...

Page 141: ... 50 mV C Adj C105 on the Main Board for the same waveform front corner noted in part b Adjustment Procedure 2465A 2467 Service e Repeat parts b through d until no change is observed in the waveform front comer when the CH 1 VOLTS DIV switch is alternated between the 50 mV and 0 1 V posi tions When switching between positions reestablish the reference display amplitude at each position and observe ...

Page 142: ...r cursor 3 divisions below graticule center d Connect a 1 kHz fast rise signal from the Calibration 5 12 Generator to the CH 1 OR X input connector via a 50 n BNC cable e Set the generator output level for an 8 division display f Use the CH 1 Vertical and Horizontal POSITION con trols to center the CH 1 display on the graticule g ADJUST Vertical Readout Jitter R618 for minimum vertical jitter of t...

Page 143: ...try into the calibration routines 5X Attenuator Item 17 Digital Multimeter DMM Item 19 Alignment Tool Item 20 Tunnel Diode Pulser Item 23 See ADJUSTMENT LOCATIONS 4 at the back of this manual for test point and adjustment locations Initial Control Settings CAL NO CAL jumper CAL position between pins 1 and 2 prior to turning on power NOTE When performing the automatic CAL steps initial setting of t...

Page 144: ...tor by showing the control to be moved upper left corner the autocal step number upper right corner the A Sweep speed bottom right center and the B Sweep speed bottom right corner as set up by the routine An example from step g above is ADJ A 100 µS 1 µS m Connect the Time Mark Generator set for 0 1 ms time markers to the CH 1 OR X input connector via a 50 n BNC cable n Set VOLTS DIV TRACE SEP CH ...

Page 145: ...time markers z CHECK Readout indicates X1 X10 HRZ CTR step 5 and 10 µs for A Sweep and two vertical cursors appear on the display aa ADJUST X1 Gain R860 and Hrz Ctr R801 to align the two cursors with the 2nd and 10th vertical grati Adjustment Procedure 2465A 2467 Service cule lines then adjust X10 Gain R850 for 1 time marker J J divi iv bb Press and release the upper TRIGGER COUPLING switch Set th...

Page 146: ...er TRIGGER COUPLING switch If the d control is adjusted at step 18 20 23 or 25 the previous step will be repeated At step 28 adjust Trans Resp R802 on the Main Board as indicated NOTE Change the CH 1 VOLTS DIV switch setting as necessary to maintain adequate signal display amplitude Step 28 requires the 2 ns time marks to be input through a dual input coupler to CH 1 and CH 2 Center the two wavefo...

Page 147: ...tandard amplitude signal from the Calibration Generator to the CH 1 OR X input connector via a 50 n BNC cable Adjustment Procedure 2465A 2467 Service f Use the CH 2 POSITION control to vertically position the trace to within 1 division of the center graticule line g ADJUST CH 1 POSITION and VOLTS DIV VAR controls to obtain a 10 division horizontal signal Press and release the upper TRIGGER COUPLIN...

Page 148: ... 5 18 q CHECK Procedure automatically steps through steps 130 141 DC balance r CHECK Readout indicates MOVE SW CENTER CH 1 POS step 142 50 mV and BWL s Move the signal to the CH 1 OR X input connector and set the Calibration Generator for a 50 mv standard amplitude signal then press and release the upper TRIGGER COUPLING switch Wait approximately 10 seconds for automatic calibration of the V curso...

Page 149: ...o 2 V then press and release the upper TRIGGER COUPLING switch o CHECK Readout indicates CH 4 500 mV and step 220 Adjustment Procedure 2465A 2467 Service p Move the signal to the CH 4 input connector and change the generator output level to 0 5 V Press and release the upper TRIGGER COUPLING switch q CHECK Readout indicates CH 4 2V and step 221 r Change the generator output level to 2 V then press ...

Page 150: ...essing the LlV and Llt buttons simultaneously hold them in then press and hold the TRIGGER SLOPE button Release the but tons after about 1 second o Scroll to CAL 04 5 20 p Press and release the upper TRIGGER COUPLING switch until the readout indicates DISABLED q Press and release the A 8 TRIG button to return to normal operating mode CAL 05 Set HRS ON and PWR ON OFF cycles 5 Check Adjust Hours On ...

Page 151: ...COUPLING switch Adjustment Procedure 2465A 2467 Service i CHECK Readout indicates ADJ step 2 10 mV j ADJUST C403 for best corner over first 1 2 division 5 ns NOTE Inductor L403 is a selectable component chosen to match transient response characteristics of the Verti cal system If spreading the coil turns as described in step m below will not correct the front corner overshoot a smaller value coil ...

Page 152: ...attenuators ADJUST A for best front corner ee Press and release the upper TRIGGER COUPLING switch step 5 Remove 2 5X attenuator ADJUST A for best corner 5 22 ff Press and release the upper TRIGGER COUPLING switch step 6 Remove 5X attenuator ADJUST genera tor for a 5 division signal ADJUST A for same corner noted in step ee above gg Press and release the upper TRIGGER COUPLING switch step 7 Adjust ...

Page 153: ...jumper to the NO CAL position 8 Adjust Bandwidth Limit a Set Vertical CH 1 POSITION CH 1 MODE Midrange On Adjustment Procedure 2465A 2467 Service CH 2 CH 3 and CH 4 MODE 20 MHz BW LIMIT CH 1 VOLTS DIV CH 1 VAR Input Coupling CH 1 Horizontal POSITION X10 MAG A SEC DIV SEC DIV VAR Trigger HOLDOFF LEVEL A 8 TRIG SLOPE MODE SOURCE COUPLING Off On 10 mV In detent 1 MQ DC Midrange Off 100 ns knob in In ...

Page 154: ...LT CHOP POSITION Horizontal A SEC DIV B SEC DIV SEC DIV VAR POSITION 5 24 10 mV CCW out of detent In detent son DC On Off Off ALT Midrange 10 µS 100 ns knob in In detent Midrange TRIGGER MODE SOURCE COUPLING SLOPE LEVEL HOLDOFF Delta v TRACKING INDEP REF OR DLY POS and d INTENSITY READOUT INTENSITY SCALE ILLUM FOCUS AUTO LVL VERT DC plus Midrange In detent On RATIO readout INDEP Cursors near the 3...

Page 155: ... of this procedure If they are accidentally moved repeat the procedure from the beginning f Set the A SEC DIV switch to 1 ms knobs locked g Select CH 1 for display Adjustment Procedure 2465A 2467 Service h Press and release the LlV button to obtain a LlV dispiay i Connect a 1 kHz fast rise signal from the Calibration Generator to the CH 1 OR X input connector via a 50 n BNC cable j Set the generat...

Page 156: ...is rotated through all of its settings 4 Adjust X Y Phasing C118 a Set CH 1 VOLTS DIV Input Coupling A SEC DIV 5 26 50mV 5011 DC X Y CH 1 VERTICAL MODE On CH 2 CH 3 CH 4 VERTICAL MODE Off b Connect the Primary Leveled Sine Wave Generator to the CH 1 OR X input connector via a 50 n BNC cable c Set the generator frequency to 1 MHz and adjust the amplitude for a 6 division vertical signal display d U...

Page 157: ...o not affect the procedure VERTICAL VOLTS DIV CH 1 CH 1 VAR Input Coupling CH 1 VERTICAL MODE 100 mV In detent 1 MQ GND CH 1 and BW LIMIT On CH 2 CH 3 and CH 4 Off ADD and INVERT Off ALT CHOP ALT POSITION Midrange Horizontal A SEC DIV 100 ns SEC DIV VAR In detent POSITION Midrange Trigger MODE SOURCE COUPLING SLOPE LEVEL HOLDOFF Delta t TRACKING INDEP INTENSITY READOUT INTENSITY SCALE ILLUM FOCUS ...

Page 158: ...een j ADJUST Z AXIS TRANSIENT RESPONSE R4335 on high voltage for uniform intensity at start of sweep for 100 ns 50 ns 20 ns and 10 ns sweep speeds 5 28 3 Adjust Geometry R4350 on high voltage NOTE If the previous step was not performed first set up the Initial Control Settings at the beginning of the CRT adjustments then proceed as follows a Set VERTICAL MODE CH 1 CH 2 AV Cursors ON ON b Position ...

Page 159: ... Leveled Sine Wave Generator to the CH 1 or X input via a 50 Q BNC cable Adjustment Procedure 2465A 2467 Service NOTE MCP bias R4365 on high voltage may need to be adjusted CW for a visible display c Set generator output to 158 MHz and adjust for an 8 division display d Press INIT 50 e ADjUST HIGH DRIVE FOCUS R4340 on high vol tage for sharpest display with INTENSITY full CW maximum f Connect volt...

Page 160: ... and CH 2 VAR Input Coupling CH 1 and CH 2 VERTICAL MODE CH 2 and BW LIMIT CH 1 CH 3 CH 4 ADD and INVERT ALT CHOP POSITION Horizontal SEC DIV SEC DIV VAR Horizontal POSITION 5 30 100 mV In detent 1 MO GND On Off Off ALT Midrange X Y knob in In detent Midrange TRIGGER MODE SOURCE COUPLING SLOPE LEVEL HOLDOFF Delta t V and t t TRACKING INDEP INTENSITY READOUT INTENSITY SCALE ILLUM FOCUS AUTO LVL VER...

Page 161: ... graticule line e ADJUST Y Axis Alignment R1848 to align the lt cursor with the center vertical graticule line Adjustment Procedure 2465A 2467 Service f Repeat parts d and e as necessary for the best aligned display 3 Adjust Geometry R1870 NOTE If the previous step was not performed first set up the Initial Control Settings at the beginning of the CRT adjustments then proceed as follows a Set CH 2...

Page 162: ...he Initial Control Settings at the beginning of the CRT adjustments then proceed as follows The fol lowing adjustment has the most effect on the first 5 32 two divisions of the trace which will probably cause the readout to be compromised slightly This will not be a problem as the readout is not used at full intensity a Set t N CH 2 VOLTS DIV CH 2 Input Coupling SEC DIV READOUT INTENSITY INTENSITY...

Page 163: ...r on a metal rail Label any package that contains static sensitive components or assemblies 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these components Servicing static sensitive components or assemblies should be performed only at a static free work station by qualified service personnel Table 6 1 Susceptibility to Static Discharge Da...

Page 164: ...ument can cause overheating and component breakdown Dirt on components acts as an insulating blanket preventing efficient heat dissipation It also provides an electrical conduction path that could result in instrument failure especially under high humidity conditions E3 Avoid the use of chemical cleaning agents which might damage the plastics used in this instrument Use a nonresidue type cleaner p...

Page 165: ...corrected to prevent recurrence of the damage If any electrical component is replaced conduct a Per formance Check for the affected circuit and for other closely related circuits see Section 4 If repair or replace ment work is done on any of the power supplies conduct a complete Performance Check and if so indicated an instrument readjustment see Sections 4 and 5 Table 6 3 Internal Inspection Chec...

Page 166: ...low pressure air NOTE Most of the switches used in the instru ment are sealed and the contacts are inaccessible If cleaning is deemed neces sary use only isopropyl alcohol 4 Clean switches with isopropyl alcohol and wait 60 seconds for the majority of the alcohol to evaporate Then complete drying with low pressure air 5 Dry all components and assemblies in an oven or drying compartment using low t...

Page 167: ...names when describing circuit operation as an aid in cross referencing between the theory and the schematic diagrams Component numbers and electrical values of com ponents in this instrument are shown on the schematic diagrams Refer to the first page of the Diagrams sec tion for the reference designators and symbols used to identify components Important voltages and waveform reference numbers encl...

Page 168: ... representing three significant digits a multiplier and a tolerance value CAPACITOR MARKINGS Capacitance values of common disc capacitors and small electrolytics are marked on the side of the capacitor body White ceramic capacitors are color coded in picofarads using a modified EIA code Dipped tantalum capacitors are color coded in microfarads The color dot indicates both the positive lead and the...

Page 169: ...tified the associ ated troubleshooting procedure should be performed to Maintenance 2465A 2467 Service further isolate the problem The troubleshooting pro ceduies aie located on tabbed foldout pages Diagrams section at the rear of this manual 2 Diagnostic Test and Exerciser Routines ho Ill LIIV Each of the tests automatically performed at power up along with several other circuit exercising routin...

Page 170: ...oltage and waveform setup conditions preceding the waveform illustrations Note the recommended test equipment front panel control settings voltage and waveform conditions and cable connection instructions Any special con 6 8 trot settings required to obtain a given waveform are noted under the waveform illustration Changes to the control settings from the initial setup other than those noted are n...

Page 171: ... provides a convenient means of clipping a test probe to an IC HYBRIDS Hybrid components can best be checked by observing voltages and waveforms on the circuit board Maintenance 2465A 2467 Service Measurements should not be made on any hybrid component while out of the circuit as they may easiiy be damaged Direct substitution is the best troubleshooting method when a hybrid failure is suspected Th...

Page 172: ... selected by scrolling through a menu of available routines when the firmware is under control of the Diagnostic Monitor Monitor control is indi cated by the message DIAGNSTIC PUSH A 8 TRIG TO EXIT displayed in the top CRT graticule division Entry into the monitor is automatic if a power up test fails The user may also force entry into the Diagnostic Monitor from the normal operating mode by holdi...

Page 173: ...OUPLING lower 02 Trigger COUPLING upper 04 CH 1 Coupling lower 05 CH 1 Coupling upper 11 CH 4 VOLTS DIV 12 CH 3 VOLTS DIV 13 INIT 50 14 CH 2 Coupling lower 15 CH 2 Coupling upper 25 CH 2 INVERT 31 CH 1 VERTICAL MODE 32 CH 2 VERTICAL MODE 33 ADD VERTICAL MODE 34 CH 3 VERTICAL MODE 35 CH 4 VERTICAL MODE 41 STEP AUTO 42 SAVE HELP 43 RECALL HELP 44 CHOP ALT VERTICAL MODE 45 20 MHz BW LIMIT 51 X10 MAG ...

Page 174: ...on tinuously repeated by pressing the front panel upper TRIGGER SOURCE switch while the routine is selected but not executing The LOOP feature will cause the routine to be continuously repeated once started until stopped when the operator presses the lower TRIGGER COU PLING switch Once the routine is stopped the LOOP feature may be disabled by pressing the lower TRIGGER SOURCE switch While a Test ...

Page 175: ...code for the test the same codes as for ZZ Kernel Tests The Kernel tests are those tests which when failed are considered fatai to the operation of the Micmprocessoi Failure of a Kernel test will cause the front panel TRIG D indicator to flash and certain of the other front panel indi cators will be illuminated with an error code The code points to the area of failure as indicated in Table 6 6 Tab...

Page 176: ...ns containing complementary data patterns are read 6 14 Test checks Data bus lines and the Data Bus Driver Correct Part A byte in the ROM being checked is compared to the most significant byte of the addressed ROM block starting address of where the ROM should be installed Test checks ROM address decoding and proper installation of ROM components Checksum A sixteen bit spiral add checksum is calcu...

Page 177: ... spiral add technique The result is compared to the stored checksum generated at the time of calibration Test checks RAM addressing and RAM contents Maintenance 2465A 2467 Service Parity Test As each of the caiibration constants is read for the Checksum test above the parity of each 14 bit word is checked Test checks CALIBRATION DATA integrity and RAM CALIBRATION DATA retention Limit Test Checks f...

Page 178: ...as both the open and the closed positions shown MIN Maximun intensity is at both the CCW and CW positions Table 6 9 Potentiometer Codes and Values Exerciser 01 Rotation Values Potentiometer ccw cw AA Name BB DEEE BB DEEE Code FF 6FFF 00 6000 01 HOLDOFF FF 3FFF 00 3000 02 Trigger LEVEL 00 1000 FF 1FFF 03 SEC DIV VAR FF 5FFF 00 5000 04 Horizontal POSITION 00 0000 FF 3FFF 05 A section3 00 0000 FF 3FF...

Page 179: ...s reside between addresses 01 Hex and AA Hex Calibration constants residing between 01 Hex and 6E Hex should have odd parity as explained below The remaining locations may be of either parity The readout display line has the following format AA DODD P The format is defined as follows Row Column Definition Code Code GG I 5 0 Unused 5 1 Unused 5 2 Unused 5 3 Unused 5 4 Unused 6 0 CH 1 VERT MODE 6 1 ...

Page 180: ...r the basic instrument the OD location is blank Pressing the upper TRIGGER COUPLING switch incre ments the routine to the next ROM Header pressing the lower TRIGGER COUPLING switch exits the routine HRS ON and OFF ON CYCLES Exerciser 05 This routine displays the Operating Time and Power Cycle Count see Operators Manual POWER UP SETUP Exerciser 06 This routine selects the setup to use at power up s...

Page 181: ... kernel addressing with an oscilloscope or logic analyzer is then possible U2140 Signal Pin Name 9 AO 10 A1 11 A2 12 A3 13 A4 14 A5 15 A6 16 A7 17 AS 18 A9 19 A10 20 A11 22 A12 23 A13 24 A14 25 A15 Table 6 11 NOP Test Data 1 CYCLE Time 3 199 µS 6 39 µS 12 79 µS 25 59 µS 51 18 µS 102 4 µS 204 7 µS 409 4 µS 818 9 µS 1638 µS 3275 µS 6 55 ms 13 1 ms 26 2 ms 52 4 ms 104 8 ms Frequency 312 5 kHz 156 3 k...

Page 182: ...ose of in fire 5 Lithium batteries may be hazardous if mis treated Follow all safety precautions when work ing with the batteries OBTAINING REPLACEMENT PARTS Most electrical and mechanical parts can be obtained through your local Tektronix Field Office or representative However many of the standard electronic components can usually be obtained from a local commercial source Before purchasing or or...

Page 183: ...se Pliers 8 Diagonal Cutters 9 Vacuum Solder Extractor 10 Spray Cleaner 11 Pin replaGement kit 12 IC Removal Tool 13 lsopropyl Alcohol Specification 15 to 25 W 3 inch shaft 3 32 inch bit Tip sizes T9 T10 T15 T20 Handles Table 6 12 Maintenance Aids Usage General soldering and unsoldering Assembly and disassembly Assembly and disassembly 3 16 inch 1 4 inch and 5 16 Assembly and disassembly inch 1 4 ...

Page 184: ...ldered DIP IC when it is going to be replaced clip all the leads of the device and remove the leads from the circuit board one at a time If the device must be removed intact for possible reinstallation do not heat adjacent conductors consecutively Apply heat to pins at alternate sides and ends of the IC as solder is removed Allow a moment for the circuit board to cool before proceeding to the next...

Page 185: ... component ieads on the reverse side of the circuit board Maintenance 2465A 2467 Service 2 When removing a multipin component especially an IC do not heat adjacent pins consecutively Apply heat to the pins at alternate sides and ends of the IC as solder is removed Allow a moment for the circuit board to cool before proceeding to the next pin Excessive heat can cause the etched cir cuit conductors ...

Page 186: ...he ac power source 2 Unplug the power cord from the rear panel connector 3 Install the front cover place the cabinet carrying handle against the bottom of the cabinet and set the instrument face down on a flat surface 4 On 2465A instruments unwrap the power cord and remove it 5 Remove the four screws in the rear feet 6 Remove the two screws from the top center and bottom center of the rear cover 7...

Page 187: ...nstalled in the Vertical Bracket Align the two black plastic pins on the power supply assembly with their mating holes before installing and tightening screws Maintenance 2465A 2467 Service AS Control Board Removal Removal of the Control Board is accomplished by the following steps 1 Remove the instrument wrap around cabinet as described in that procedure 2 Place the instrument on its left side on...

Page 188: ...ecting the power supply to the feed through capacitor C10 on the inside of the rear plate 5 Remove the two screws in the rear plate holding the black plastic primary circuit shield located inside the chassis and remove the shield 6 Remove the two screws holding the rear of the Power Supply assembly to the rear plate 7 Remove the three screws securing the power transistor heatsink to the chassis 8 ...

Page 189: ...lack plastic spacers from the top and bot tom edges of the assembly To iejoin the lnvertei and Regulatoi boards peifoim the reverse of the preceding steps Maintenance 2465A 2467 Service A9 High Voltage Board Removal Removal of the High Voltage board is accomplished by the following steps 1 Remove the instrument Cabinet as described in that procedure 2 Remove the Vertical Bracket as described in th...

Page 190: ... Cabinet as described in that procedure 2 Remove the Vertical bracket as described in that procedure 3 Place the instrument left side down on a flat surface 4 Disconnect the Readout board ribbon cable con nector P411 from the Main board 5 With the instrument still on its side pull the Readout board out of its plastic board mounts Remove it from the instrument while guiding the ribbon cable and con...

Page 191: ...y as described above if not already done 2 Lift up the circuit board carefully to avoid dislodging any of the square push buttons fmm their switches Maintenance 2465A 2467 Service 3 Lift off the black plastic switch guide and mount inn nn llll f lllll f To reassemble and reinstall the Front Panel assembly perform the reverse of the preceding instructions When reinstalling the circuit board align a...

Page 192: ...wire from the Main board using correct vacuum desolder ing techniques Remove the jack 11 Turn the long extension shaft see Figure 6 3 CCW and unsnap it from the pivot bracket at the rear middle of the Main board sliding it out of the bracket sideways Do not pull on the power switch push but ton or it will be damaged 12 Remove the power switch push button mounting screw item A shown in Figure 6 3 S...

Page 193: ...nel board removal procedure 3 Remove the eight screws in the CRT frame Remove frame and black plastic gasket Note the difference in length of the screws for reinstall tinn 4 Remove the clear plastic light reflector from the Scale Illumination circuit board and the black plastic mounting spacer 5 Disconnect the scale illumination multipin con nector P181 from the Main board 6 Remove the Scale Illum...

Page 194: ... to chassis ground 6 Using long nosed pliers disconnect the horizon tal and vertical deflection leads from the bottom of the CRT Pull straight out on these connec tors to prevent strain on the metal to glass seal Access to the connectors is through holes in the Main board 7 Using long nosed pliers disconnect the vertical termination leads from the top of the CRT On the 2465A also disconnect the CR...

Page 195: ...everse of the preceding instructions Be certain the two pins on the lower edge of the CRT frame align with the hole and slot in the front subpanel of the chassis Tighten the shorter screws to 10 in lb of Maintenance 2465A 2467 Service torque before tightening any of the longer screws Then tighten the longer screws in sequence 2 1 4 3 Screw number one aligns the CRT On the third time through the se...

Page 196: ...ting 159 0098 00 OPTION 01 2465A ONLY Option 01 DMM adds a 4 1 2 digit fully autoranging digital multimeter which measures de and ac voltage and current resistance dBV dBm continuity and tempera ture Option 1B is the same as Option 01 except that the temperature probe is not included Measurement results and DMM messages are displayed on the top line of the oscilloscope CRT readout OPTION 1R When t...

Page 197: ...ger with Word Recognizer allow preci sion time interval measurement event and frequency counting delay by events triggering and logic triggering 7 2 The 17 bit Word Recognizer probe of Option 09 extends the capabilities of these functions OPTION 10 Option 10 allows the instrument to be remotely con trolled and queried using a standard interface system The interface implemented conforms to the spec...

Page 198: ...3R1234 A23 R1234 Read Resistor 1234 of Assembly 23 Example b component number A23A2R1234 A23 A2 R1234 Assembly Subassembly number Circuit number Read Resistor 1234 of Subassembly 2 of Assembly 23 Only the circuit number will appear on the diagrams and circuit board illustrations Each diagram and circuit board illustration is clearly marked with the assembly number Assembly numbers are also marked ...

Page 199: ...EMI CONDUCTOR PRODUCTS DEPT OPERATIONAL PLANNING AND CUSTOMER ENGINEERING 09353 CANO KCOMPONENTS INC 15 RIVERDALE AVE NMON MA 02158 11236 CTS OF BERNE INC 406 PARR ROAD BERNE IN 46711 12954 MICROSEMI CORP 8700 ETHOMAS RD SCOTTSDALE lJ 85252 PO BOX 1390 12969 UNITRODE CORP 580 PLEASANT ST WATERTOWN MA 02172 14301 ANDERSON ELECTRONICS INC 310 PENN ST 1 0LLIDAYSBURG PA 16648 14433 ITT SEMICONDLCTORS ...

Page 200: ...TRUMENT CORP LAMP DIV 4433 NRAVENSWOOD AVE CHICAGO IL 60640 72982 ERIE TECHNOLOGICAL PRODUCTS INC 645 W11TH ST ERIE PA 16512 73138 BECKMAN INSTRUMENTS INC HELIPOT DIV 2500 HARBOR BLVD FULLERTON CA 92634 75042 TRW INC 401 NBROAD ST PHILADELPHIA PA 19108 TRW ELECTRONIC COMPONENTS RC FIXED RESISTORS PHILADELPHIA DIV 80009 TEKTRONIX INC 4900 SW GRIFFITH DR BEAVERTON OR 97077 PO BOX 500 81483 INTERNATI...

Page 201: ...lOO 283 0000 00 CAP FXD CER DI 0 001UF 100 0 500V 59660 831 610 Y5U0102P COMBO WITH A1C200 AlC102 290 0973 00 CAP FXD ELCTLT 100UF 20 4 25VOC 55680 ULBlElOlMPA A1Cl03 281 0812 00 CAP FXD CER DI lOOOPF 10 lOOV 04222 MA101C102KAA A1C105 281 0064 00 CAP VAR PLASTIC 0 25 l 5PF 600V 52769 ER 530 013 A1Cl06 281 0775 01 CAP FXD CER DI 0 lUF 20 SOV 04222 MA205E104MAA A1C107 290 0943 01 CAP FXD ELCTLT 47UF...

Page 202: ... T A1C311 281 0909 00 CAP FXD CER DI 0 022UF 20 50V 54583 MA12X7R1H223M T A1C325 290 0943 01 CAP FXD ELCTLT 47UF 20 4 25V 55680 ULB1E470MPAANA1T A1C329 281 0773 00 CAP FXD CER DI O OlUF 10 4 lOOV 04222 MA201C103KAA A1C332 281 0773 00 CAP FXD CER DI O OlUF 10 4 lOOV 04222 MA201C103KAA A1C336 290 0943 01 CAP FXD ELCTLT 47UF 20 4 25V 55680 ULB1E470MPAANA1T A1C351 281 0909 00 CAP FXD CER DI 0 022UF 20...

Page 203: ... 281 0757 00 CAP FXD CER DI lOPF 20 4 lOOV 04222 MA101Al J fAA A1C809 281 0819 00 CAP FXO CER DI 33 PF 5 50V 04222 GC105A330J AlC810 281 0909 00 CAP FXO CER DI 0 022UF 20 4 50V 54583 MA12X7RlH223M T AlC811 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7R1H223M T AlC817 281 0812 00 CAP FXD CER DI lOOOPF 10 lOOV 04222 MA101Cl02KAA AlC819 281 0909 00 CAP FXD CER DI 0 022UF 20 50V 54583 MA12X...

Page 204: ...W SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR161 152 0141 02 SEMICONO DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR162 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR163 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR180 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 AlCR181 152 0141 02 SEMICON...

Page 205: ...AL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QUA NTITY OF 2 A1J104 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QUA NTITY OF 4 AlJ105 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QUA NTITY OF 2 A1J109 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QUA NTITY OF 2 A1Jll7 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 ...

Page 206: ...0190 00 TRANSISTOR NPN SI T0 92 80009 151 0190 00 A1Q460 151 0198 01 TRANSISTOR NPN SI T0 92 PLSTC 80009 151 0198 01 QUANTITY OF 2 A1Q550 151 0190 00 TRANSISTOR NPN SI T0 92 80009 151 0190 00 A1Q600 151 0190 00 TRANSISTOR NPN SI T0 92 80009 151 0190 00 A1Q623 151 0190 00 TRANSISTOR NPN SI T0 92 80009 151 0190 00 A1Q624 151 1025 00 TRANSISTOR FET N CHAN SI T0 92 04713 SPF3036 A1Q645 151 0188 00 TRA...

Page 207: ... RES FXO FILM 300 01 t1 5 0 25W 57668 NTR25J E300E AlR196 315 0752 00 RES FXD FILM 7 5K Olf 1 5 0 25W 57668 NTR25J E07K5 AlR197 315 0562 00 RES FXO FILM 5 6K Ot f 1 5 0 25W 57668 NTR25J E05K6 AlR198 321 1700 04 RES FXD FILM 10 44K Ol f1 0 1 0 125W TC T2 19701 5033RC1OK4408 AlR199 321 1700 04 RES FXO FILM 10 44K Olf1 0 1 0 125W TC T2 19701 5033RC10K4408 A1R200 315 0474 00 RES FXD FILM 470K OHM 5 0 ...

Page 208: ... 0193 03 RES FXD FILM lK Olf1 0 25 0 125W TC T2 07716 CEAClOOOOC A1R479 315 0102 00 RES FXD FILM lK Olf1 5 4 0 25W 57668 NTR25 JE01KO A1R480 321 0375 00 RES FXD FILM 78 7K Ol fv1 1 0 125W TC TO 07716 CEAD78701F A1R481 321 0347 00 RES FXD FILM 40 2K Ol fv1 1 0 125W TC TO 91637 CMF55116G40201F A1R482 315 0471 00 RES FXD FILM 470 Olf 1 5 0 25W 57668 NTR25 J E470E A1R483 321 0347 00 RES FXD FILM 40 2K...

Page 209: ... 00 RES FXD FILM lOK Ol t1 5 0 25W 19701 5043CX10KOOJ A1R617 315 0102 00 RES FXD FILM lK Ol t1 S 4 0 25W 57668 NTR25JE01KO A1R618 311 2234 00 RES VAR NON v W TRMR SK Ol t1 20 4 0 5W LINEAR TK1450 GF06UT SK A1R619 315 0270 00 B010100 B010530 RES FXD FILM 27 OHM S 4 0 25W 19701 5043CX27ROOJ A1R619 315 0510 00 B010531 RES FXD FILM 51 Ol t1 S 4 0 25W 19701 5043CX51ROOJ A1R620 315 0472 00 RES FXD FILM ...

Page 210: ...E33KO AlR800 321 0147 00 RES FXD FILM 332 Qlf 1 1 0 125W TC TO 07716 CEAD332ROF AlR801 311 2230 00 RES VAR NONwW TRMR 500 Olf 1 20 4 0 50 LINEAR TK1450 GF06UT 500 A1R802 311 2234 00 RES VAR NONwW TRMR SK Ottl 20 4 0 SW LINEAR TK1450 GF06UT SK AlR804 315 0151 00 RES FXD FILM 150 OHM 5 0 25W 57668 NTR25J E150E A1R805 311 1242 00 RES VAR NONwW TRMR 200K Qlf 1 0 5W 32997 3386X T07 204 AlR806 315 0204 ...

Page 211: ...OTL 8 BIT PRL OUT SER SHF RGTR 01295 SN74LS164NP3 AlU150 156 0651 02 MICROCKT OOTL 8 BIT PRL OUT SER SHF RGTR 01295 SN74LS164NP3 AlU160 156 1200 01 MICROCKT LINEAR OPERATIONAL AMPL QUAD BIFET 80009 156 1200 01 AlU165 156 2854 00 MICROCKT LINEAR OP AMPL QUo D 80009 156 2854 00 A1U170 156 0513 03 MICROCKT LINEAR CMOS 8 C ANALOG MUX 04713 t Cl4051BCL AlU180 156 1191 01 MICROCKT LINEAR DUAL BI FET OP ...

Page 212: ...0 290 0939 00 CAP FXD ELCTLT lOUF 100 10 4 lOOV 56289 672D106HlOOCG2C A2AlC1245 281 0783 00 CAP FXD CER DI 0 1 UF 20 4 lOOV 04222 MA401Cl04MAA A2A1C1246 281 0791 00 CAP FXD CER DI 270PF 10 4 100V 04222 MA101C271K AA A2AlC1260 290 0942 00 CAP FXD ELCTLT 100UF 100 10 4 25V 55680 UPA1E101MAH A2AlC1261 281 0773 00 CAP FXD CER DI O OlUF 10 4 lOOV 04222 MA201Cl03K AA A2AlC1270 281 0791 00 CAP FXD CER DI...

Page 213: ...TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 Qllt NTITY OF 4 A2A1J203 131 2925 00 CONN RCPT ELEC CKT 80 1 X6 0 2 SPACING 27264 10 10 1064 A2A1J204 131 1048 00 TERM QIK DISC CKT BO MT 0 11 X0 02 BL 00779 61134 1 A2A1J205 131 1048 00 TERM QIK DISC CKT BO MT 0 11 X0 02 BL 00779 61134 1 A2A1J206 131 1048 00 TERM QIK DISC CKT BO MT 0 11 X0 02 BL 00779 61134 1 A2AlJ207 131 1048 00 TERM QIK DISC...

Page 214: ...8010357 RES FX D FILM 1 SK Olf1 5 0 2W 57668 TR20JE01KS A2A1R1243 315 0393 00 8010100 8010356 RES FXD FILM 39K 01 t4 5 0 25W 57668 NTR25J E39KO A2A1R1243 313 1393 00 B010357 RES FXD FILM 39K Of t1 5 0 2W 57668 TR20JE 39K A2A1R1244 315 0104 00 B010100 B010356 RES FXD FILM lOOK 01 M 5 0 25W 57668 NTR25J E100K A2AlR1244 313 1104 00 B010357 RES FXD FILM lOOK Ol fl1 5 0 2W 57668 TR20JE100K A2A1R1246 31...

Page 215: ...ILM 15 Olf1 5 4 0 9t 19701 5053CX15ROOJ A2AlR1354 315 0222 00 8010100 8010356 RES FXD FILM 2 2K Olf1 5 0 25W 57668 NTR25J E02K2 A2AlR1354 313 1222 00 8010357 RES FXD FILM 2 2K Olf1 5 0 2W 57668 TR20JE 02K2 A2AlR1355 315 0682 00 8010100 8010356 RES FXD FILM 6 8K Ol f 1 5 0 25W 57668 NTR25J E06K8 A2AlR1355 313 1682 00 8010357 RES FXD FILM 6 8K Olf1 5 0 2W 57668 TR20JE 06KB A2AlR1356 315 0512 00 8010...

Page 216: ... 55680 UPA1E101MAH A3C1110 290 0800 00 CAP FXD ELCTLT 250UF 100 10 4 20V 56289 6720257H0200M5C A3Cllll 290 0800 00 CAP FXO ELCTLT 250UF 100 10 4 20V 56289 6720257H020DM5C A3C1112 290 0782 01 CAP FXD ELCTLT 4 7UF 20 4 35VOC 55680 ULB1V4R7MAA1TD A3C1113 290 0798 00 CAP FXD ELCTLT 180UF 100 10 4 40V 56289 672D187H0400M5C A3Clll4 290 0800 00 CAP FXO ELCTLT 250UF 100 10 4 20V 56289 6720257H0200M5C A3C1...

Page 217: ...0 A3Llll3 108 1144 00 COIL RF FIXED 27 UH 20 4 34479 RL1284 A3Llll4 108 1144 00 COIL RF FIXED 27 UH 20 4 34479 RL1284 A3Llll5 108 1144 00 COIL RF FIXED 27 UH 20 4 34479 RL1284 A3Llll6 108 1144 00 COIL RF FIXED 27 UH 20 4 34479 RL1284 A3Q1021 151 0301 00 TRANSISTOR PNP SI T0 18 04713 ST898 A3Q1022 151 0192 00 TRANSISTOR SELECTED 04713 SPS8801 A3Ql029 151 0254 00 TRANSISTOR DARLINGTON NPN SI 03508 X...

Page 218: ...5 0 2W 57668 TR20JE 47E A3Rl060 315 0470 00 B010100 B010356 RES FXD FILM 47 Of t 1 5 4 0 25W 57668 NTR25J E47EO A3Rl060 313 1470 00 8010357 RES F XD FILM 47 Ofivi 5 0 2w 57668 TR20JE 47E A3Rl061 315 0202 00 8010100 8010356 RES FXD FILM 2K 01 t 1 5 4 0 25W 57668 NTR25J E 2K A3R1061 313 1202 00 B010357 RES FXD FILM 2K Ql f 1 5 4 0 2W 57668 TR20JE02KO A3Rl XS2 315 0682 00 8010100 8010356 RES FXD FILM...

Page 219: ... 0909 00 CAP FXD CER OI 0 022UF 20 4 50V 54583 MA12X7R1H223M T A4C2851 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7R1H223M T A4C2855 281 0909 00 CAP FXD CER DI 0 022UF 20 50V 54583 MA12X7RlH223M T A4C2860 281 0909 00 CAP FXD CER DI 0 022Lf 20 50V 54583 MA12X7R1H223M T A4C2885 281 0909 00 CAP FXD CER DI 0 022UF 20 50V 54583 MA12X7R1H223M T A4C2901 281 0909 00 CAP FXD CER DI 0 022UF 20 5...

Page 220: ...S FXO FILMN 4 7K Ol f 1 5 0 2W 57668 TR20JE 04K7 A4R2930 313 1152 00 RES FXO FILM l 5K Ort 1 5 0 2W 57668 TR20JE01K5 A4R2931 311 2258 00 RES VAR NON M TRMR lK Of t 1 20 4 0 5W TK1450 GF06VT 1 KOHM A4R2932 322 3414 00 RES FXO FILM 200K OHM 1 0 2W TC TO 91637 CCF5CG20002F A4R2933 322 3385 00 RES FXO FILM lOOK Of f 1 1 0 2W TC TO 57668 CRB20 FXE lOOK A4R2940 315 0102 00 B010100 B010356 RES FXO FILM l...

Page 221: ...R1H223M T A5C2220 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7RlH223M T A5C2221 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7R1H223M T A5C2230 281 0909 00 CAP FXD CER Dl 0 022UF 20 4 50V 54583 MA12X7R1H223M T A5C2240 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7R1H223M T A5C2320 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7RlH223M T A5C2321 285 1301 01 ...

Page 222: ...152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 03508 DA2527 1N4152 A5CR2233 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 03508 DA2527 1N4152 A5CR2370 152 0322 00 SEMICOND DVC DI SCHOTTKY BARRIER SI 15V C l A IA JU t J t 5082 2672 A5CR2371 152 0322 00 SEMICOND DVC DI SCHOTTKY BARRIER SI 15V 50434 5082 2672 A5CR2420 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 03508 DA2527 1...

Page 223: ... 00 RES FXD FILM lOK OHM 5 0 2W 57668 TR20JE10KO A5R2250 313 1102 00 RES FXD FILM lK Olf1 5 0 2W 57668 TR20JE01KO A5R2251 313 1102 00 RES FXD FILM lK Olf1 5 0 2W 57668 TR20JE01KO A5R2301 313 1103 00 RES FXD FILM lOK OHM 5 4 0 2W 57668 TR20JE10KO A5R2302 313 1103 00 RES FXD FILM lOK Olf1 5 0 2W 57668 TR20JE10KO A5R2303 313 1103 00 RES FXD FILM lOK Ott1 5 0 2W 57668 TR20JE10KO A5R2304 313 1103 00 RE...

Page 224: ...f 1 5 0 2W 57668 TR20JE10KO A5R2505 313 1103 00 RES FXD FILM lOK Qrf 1 5 0 2W 57668 TR20JE10KO A5R2506 322 3235 00 RES FXD FILM 2 74K Of M 1 0 2W TC TO 57668 CRB20 FXE 2K74 A5R2510 313 1103 00 RES FXD FILM lOK OHM 5 0 2W 57668 TR20JE10KO A5R2511 313 1102 00 RES FXD FILM lK Qf f 1 5 0 2W 57668 TR20JE01KO A5R2512 313 1102 00 RES FXD FILM lK Of f 1 5 4 0 2W 57668 TR20JE01KO A5R2513 313 1103 00 RES FX...

Page 225: ...M lOK ott1 5 0 2W 57668 TR20JE10KO A5R2709 313 1103 00 RES FXD FILM lOK Ot t1 5 0 2W 57668 TR20JE10KO A5R2710 313 1103 00 RES FXD FILM lOK otf 1 5 0 2W 57668 TR20JE10KO A5R2711 313 1103 00 RES FXD FILM lOK Ol t1 5 0 2W 57668 TR20JE10KO A5R2712 313 1103 00 RES FXD FILM lOK 01 t1 5 4 0 2W 57668 TR20JElOKO A5R2720 313 1103 00 RES FXD FILM lOK Ol t1 5 0 2W 57668 TR20JE10KO A5R2721 313 1203 00 RES FXD ...

Page 226: ...U2550 156 0469 02 MICROCKT DGTL 3 8 LINE OCDR 01295 SN74LS138NP3 A5U2601 156 0513 03 MICROCKT LINEAR CMOS 8 CHAN ANALOG MUX 04713 MC14051BCL A5U2620 156 1200 01 MICROCKT LINEAR OPERATIONAL AMPL QUAD BIFET 80009 156 1200 01 A5U2630 156 1200 01 MICROCKT LINEAR OPERATIONAL AMPL QUAD BIFET 80009 156 1200 01 A5U2640 156 0895 01 MICROCKT DGTL 14 BIT BINARY COUNTER BURN IN 02735 CD4020BFX AC ll C c n JVL...

Page 227: ... 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 150Mll 30V 00 35 SEMICOND DVC DI SW Sl 30V 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 15DM0 30V 00 35 SEMICOND DVC DI SW SI 30V 15DM0 30V 00 35 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 SEMICOND DVC Dl SW SI 30V 150Ml 30V 00 35 SEMICOND DVC DI SW SI 30V 150Ml 30V 00 35 SEMI...

Page 228: ...DIO GREEN 50434 QLMP 1587 A6A1DS3030 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6AlDS3031 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6AlDS3032 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6A1DS3033 150 1161 00 LT EMITTING DIO YELLOw 50434 QLMP 1487 A6A1DS3034 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6AlDS3035 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6A1DS3...

Page 229: ...MINI to1ENTARY SPST NORM OP 80009 260 2280 00 A6A1S3029 260 2280 00 SW PUSH BUTTON MINI to1ENTARY SPST NORM OP 80009 260 2280 00 A6A1S3030 260 2280 00 SW PUSH BUTTON MINI MJ 1ENTARY SPST NORM OP 80009 260 2280 00 A6A1S3031 260 2280 00 SW PUSH BUTTON MINI MJ 1ENTARY SPST NORM OP 80009 260 2280 00 A6A1S3032 260 2280 00 SW PUSH BUTTON MINI MJ 1ENTARY SPST NORM OP 80009 260 2280 00 A6A1S3033 260 2280 ...

Page 230: ...2 151 0443 00 TRANSISTOR PNP SI T0 92 04713 SPS7950 A9Ql890 151 0443 00 TRANSISTOR PNP SI T0 92 04713 SPS7950 A9Ql980 151 0444 00 TRANSISTOR NPN SI T0 92 04713 SPS797 A9Q1981 151 0745 00 TRANSISTOR PNP SI T0 220 61271 2SA1077G A9Rl812 315 0100 02 RES FXD CMPSN 10 Orf 1 5 0 25W 01121 CB1005 A9Rl813 315 0100 02 RES FXD CMPSN 10 Orf 1 5 0 25W 01121 CB1005 A9Rl833 315 0103 00 B010100 B010356 RES FXD F...

Page 231: ... 1220 00 8010357 RES FXD FILM 22 OI N S 4 0 2W 57668 TR20JE22E A9R1952 315 0202 00 B010100 8010356 RES FXD FILM 2K Ol fvl S 4 0 25W 57668 NTR25J E 2K A9Rl952 313 1202 00 8010357 RES FXD FILM 2K Ol fvl S 4 0 2W 57668 TR20JE02KO A9R1953 315 0393 00 B010100 B010356 RES FXO FILM 39K OI M 5 0 25W 57668 NTR25J E39KO A9R1953 313 1393 00 B010357 RES FXD FILM 39K OI N 5 0 2W 57668 TR20JE 39K A9R1971 315 02...

Page 232: ...2W 57668 TR20JE10KO A14R3411 315 0103 00 B010100 B010356 RES FXD FILM lOK Ofi 1 5 0 25W 19701 5043CX1OKOOJ A14R3411 313 1103 00 B010357 RES FXD FILM lOK OHM 5 0 2W 57668 TR20JE10KO A14U3401 156 0130 00 MICROCKT LINEAR MODULATOR DEMODULATOR 80009 156 0130 00 A14U3402 156 0130 00 MICROCKT LINEAR MODULATOR DEMOOULATOR 80009 156 0130 00 A14VR3401 152 0227 00 SEMICOND DVC DI ZEN SI 6 2V 5 0 4W D0 7 047...

Page 233: ...1234 A23 R1234 Read Resistor 1234 of Assembly 23 Example b component number A23A2R 1234 A23 A2 R1234 Assembly Subassembly L__ number Circuit number Read Resistor 1234 of Subassembly 2 of Assembly 23 Only the circuit number will appear on the diagrams and circuit board illustrations Each diagram and circuit board illustration is clearly marked with the assembly number Assembly numbers are also mark...

Page 234: ...PERATIONAL PLANNING AND CUSTOMER ENGINEERING 09353 CAND KC 1PONENTS INC 15 RIVERDALE AVE NEWTON MA 02158 11236 CTS OF BERNE INC 406 PARR ROAD BERNE IN 46711 12954 MICROSEMI CORP 8700 ETrKMAS RD SCOTTSDALE AZ 85252 PO BOX 1390 12969 UNITRODE CORP 580 PLEASANT ST WATERTCMN MA 02172 14298 AMERICAN COMPONENTS INC 8TH AVE AT HARRY ST CONSI O OCKEN PA 19428 DIV OF DALE ELECTRONICS 14301 ANDERSON ELECTRO...

Page 235: ...2982 ERIE TECl flOLOGICAL PRODUCTS INC 645 W11TH ST ERIE PA 16512 73138 BECKMAN INSTRUMENTS INC HELIPOT DIV 2500 HARBOR BLVD FULLERTON CA 92634 75042 TRW INC 401 NBROAD ST PHILADELPHIA PA 19108 TRW ELECTRONIC COMPONENTS IRC FIXED RESISTORS PHILADELPHIA DIV 80009 TEKTRONIX INC 4900 SW GRIFFITH DR BEAVERTON OR 97077 PO BOX 500 81483 INTERNATIONAL RECTIFIER 9220 SUNSET BLVD LOS Af GELES CA 90069 PO B...

Page 236: ... 670 9268 02 Al 670 9268 04 B010180 B010746 CIRCUIT BD ASSY MAIN 80009 670 9268 04 Al 670 9268 06 B010747 CIRCUIT 8D ASSY MAIN 80009 670 9268 06 AlAll 119 2342 01 8010100 8011071 ATTENUATOR VAR PRG1 lX lOOX DECADE STEPS 80009 119 2342 01 A1Al2 119 2342 02 8010100 8011071 ATTENUATOR VAR PRG1 lX lOOX DECADESTEPS 80009 119 2342 02 A1AT300 119 2342 02 B011072 ATTENUATOR VAR PRG1 lX lOOX DECADESTEPS 80...

Page 237: ...AA AlC221 290 0943 01 CAP FXD ELCTLT 47UF 20 4 25V 55680 ULB1E470MPAANA1T A1C223 281 0812 00 CAP FXD CER DI lOOOPF 10 4 lOOV 04222 MA101Ci02KAA A1C225 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 MA205El04MAA A1C301 281 0775 01 CAP FXD CER DI 0 1UF 20 4 50V 04222 MA205El04MAA AlC302 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 MA205El04MAA AlC307 290 0943 01 CAP FXD ELCTLT 47UF 20 25V 55680 ULB1...

Page 238: ...R Dl 470PF 10 4 50V 04222 MA105A471KAA A1C738 290 0943 01 CAP FXD ELCTLT 47UF 20 4 25V 55680 ULBlE47 MlAANA1T A1C740 290 0943 01 CAP FXD ELCTLT 47UF 20 4 25V 55680 ULBlE47 MlAANA1T A1C742 281 0812 00 CAP FXD CER DI lOOOPF 10 4 lOOV 04222 MA101C102KAA A1C803 281 0909 00 CAP FXD CER OI 0 022UF 20 4 50V 54583 MA12X7R1H223M T A1C804 281 0797 00 8010100 B010179 CAP FXD CER Ol 15PF 10 100V 04222 MAlC fA...

Page 239: ...52 0141 02 SEMICOND DVC DI SW SI 30V 150Mb 30V 00 35 03508 DA2527 iN4152 A1CR148 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR149 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR150 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A1CR151 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152...

Page 240: ...2 0061 00 B010295 SEMICOND DVC DI SW SI 175V 0 1A 00 35 07263 FDH2161 AlOLlOO 119 1490 01 DELAY LINE ELEC 73NS 150 Olfl 80009 119 1490 01 AlJ9 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 AlJlO 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QLWHITY OF 3 AlJll 131 0608 00 TERMINAL PIN 0 365 LX0 025 BRZ GLD PL 22526 48283 036 QU NTITY OF 3 AlJlOO 131 0608 00 T...

Page 241: ... TK2042 ORDER BY DESCR AlLR218 108 0330 00 COIL RF FIXED 403NH TK2042 ORDER BY DESCR AlLR219 108 0330 00 COIL RF FIXED 403NH TK2042 ORDER BY DESCR AlLR280 108 0602 00 COIL RF FIXED 45NH TK2042 ORDER BY DESCR A1Ql30 151 0622 00 TRANSISTOR PNP SI T0 92 04713 SPS8956 MPSW51A A1Ql31 151 0622 00 TRANSISTOR PNP SI T0 92 04713 SPS8956 MPSW51A A1Q154 151 0188 05 TRANSISTOR PNP SI T0 92 07263 S44293 AOOPAC...

Page 242: ... 2W TC TO 57668 CRB20 FXE 3K24 A1R181 322 3289 00 RES FXD FILM lOK Ql f 1 1 0 2W TC TO 57668 CRB20 FXE lOKO AlR182 322 3242 00 RES FXD FILM 3 24K OH 1 1 0 2W TC TO 57668 CRB20 FXE 3K24 AlR183 322 3289 00 RES FXD FILM lOK 01 f 1 1 0 2W TC TO 57668 CRB20 FXE lOKO A1R190 315 0103 00 RES FXD FILM lOK Olf1 5 0 25W 19701 5043CX10KOOJ A1Rl91 315 0103 00 RES FXD FILM lOK Ql f 1 5 0 25W 19701 5043CX10KOOJ ...

Page 243: ...OHM 1 0 125W TC TO 19701 5043ED1K210F A1R463 321 0193 00 RES FXD FILM lK Ot fv1 1 0 125W TC TO 19701 5033ED1KOOF AlR464 321 0063 00 RES FXD FILM 44 2 Of t1 0 5 0 125W TC TO 91637 CMF55116G44R20F AlR465 321 0193 00 RES FXD FILM lK Of t1 1 0 125W TC TO 19701 5033ED1KOOF A1R468 321 0287 00 RES FXD FILM 9 53K OHM 1 0 125W TC TO 19701 5033ED9K530F A1R469 315 0200 00 RES FXD FILM 20 OHM 5 4 0 25W 19701 ...

Page 244: ...AD84500F A1R557 321 0808 07 RES FXD FILM 300 Olf1 0 1 0 125W TC T9 24546 NE55E30000 A1R558 321 0657 07 RES FXD FILM 60 01 M 0 1 0 125W TC T9 57668 RB14BZE 60E A1R560 315 0621 00 RES FXD FILM 620 01 M 5 0 25W 57668 NTR25J E620E A1R600 315 0270 00 RES FXD FILM 27 01 M 5 0 25W 19701 5043CX27ROOJ AlR601 313 1750 00 RES FXD FILM 75 01 M 5 0 2W 57668 TR20JE 75E A1R602 315 0470 00 RES FXD FILM 47 01 M 5 ...

Page 245: ...fil 1 0 125W TC TO 19701 5043D1K780F A1R737 321 0263 00 RES FXD FILM 5 36K Ol fil 1 0 125W TC TO 07716 CEAD53600F A1R738 321 0273 00 RES FXD FiLM 6 81K Of ti 1 0 125W TC TO 077i6 LtAu681uui A1R741 315 0272 00 RES FXD FILM 2 7K OHM 5 0 25W 57668 NTR25J E02K7 A1R742 315 0151 00 RES FXD FILM 150 Ol fvl 5 0 25W 57668 NTR25J E150E A1R743 315 0102 00 RES FXD FILM lK OHM 5 4 0 25W 57668 NTR25JE01KO A1R74...

Page 246: ...OJ AlR973 315 0513 00 RES FXD FILM SlK Olt1 5 0 25W 57668 NTR25J E51KO AlR981 315 0101 00 RES FXD FILM 100 Olt1 5 4 0 25W 57668 NTR25J E lOOE A1R982 321 0103 00 RES FXD FILM 115 Oli1 1 0 125W TC TO 01121 RNK1150F A1R983 315 0101 00 RES FXD FILM 100 Olt1 5 0 25W 57668 NTR25J E lOOE AlR984 315 0101 00 RES FXD FILM 100 Ol t1 5 0 25W 57668 NTR25J E lOOE AlR985 313 1332 00 RES FXD FILM 3 3K Olt1 5 0 2W...

Page 247: ... OMA 07 A1Wl21 175 4594 01 CA ASSY SP ELEC 6 22 AWG 5 25 L 80009 175 4594 01 A1Wl22 175 4598 00 CA ASSY SP ELEC 8 26 AWG 7 0 L RIBBON 80009 175 4598 00 A1Wl60 131 0566 00 B010100 B010746 BUS CONDUCTOR Du 1Y RES 0 094 X0 225 24546 OMA 07 AlW918 195 3991 01 LEAD ELECTRICAL 22 A G 3 5 L 0 N 80009 195 3991 01 A1W919 195 3991 01 LEAD ELECTRICAL 22 A G 3 5 L 0 N 80009 195 3991 01 A2 672 1037 11 CIRCUIT ...

Page 248: ...08 DA2527 1N4152 A2AlCR1302 152 0141 02 SEMICONO DVC OI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A2A1CR1303 152 0066 00 SEMICOND DVC Dl RECT SI 400V 1A 00 41 05828 GPlOG 020 A2AlCR1330 152 0066 00 SEMICOND OVC OI RECT SI 400V 1A 00 41 05828 GPlOG 020 A2AlCR1331 152 0066 00 SEMICONO OVC DI RECT SI 400V 1A 00 41 05828 GPlOG 020 A2A1CR1332 152 0066 00 SEMICOND DVC DI RECT SI 400V 1A 00 41 05828 ...

Page 249: ...0345 RES FXD FILM 39K 01 t1 5 0 2W 57668 TR20JE 39K A2AlR1220 304 0822 00 RES FXD CMPSN 8 2K Of M 10 4 lW 01121 GB8221 A2A1R1221 315 0100 02 RES FXD CMPSN 10 OH 1 5 0 25W 01121 CB1005 A2A1R1222 315 0102 00 B010100 8010344 RES FXD FILM lK OHM 5 0 25W 57668 NTR25JE01KO A2A1R1222 313 1102 00 B010345 RES FXD FILM lK OHM 5 0 2W 57668 TR20JE01KO A2A1R1223 315 0823 00 B010100 B010344 RES FXD FILM 82K Ol ...

Page 250: ...10345 RES FXD FILM 24K OHM 5 0 2W 80009 313 1243 00 A2A1Rl305 321 0289 06 RES FXD FILM 10 0K Olf1 0 25 0 125W TC T9 19701 5033RE10KOOC A2A1Rl306 321 0318 03 RES FXD FILM 20 0K Ol f 1 0 125 0 129n TC T2 19701 5033RC20KOOC A2A1Rl307 315 0472 00 8010100 B010344 RES FXD FILM 4 7K Olf1 5 0 25W 57668 NTR25 J E04K7 A2A1Rl307 313 1472 00 B010345 RES FXO FILttl 4 7K 01 f 1 5 0 2W 57668 TR20JE 04K7 A2A1Rl30...

Page 251: ...T 100UF 100 10 4 25V 55680 UPA1El01MAH A3C1032 281 0812 00 CAP FXD CER DI lOOOPF 10 lOOV 04222 MA101Cl02KAA A3Cl033 281 0772 00 CAP FXD CER DI 4700PF 10 4 100V 04222 MA201C472KAA A3Cl034 290 0524 00 CAP FXD ELCTLT 4 7UF 20 10V 05397 T368A475M010AZ A3Cl035 281 0772 00 CAP FXD CER DI 4700PF 10 4 100V 04222 MA201C472KAA A3C1040 281 0773 00 CAP FXD CER DI O OlUF 10 4 lOOV 04222 MA201Cl03KAA A3C1048 28...

Page 252: ... 0633 00 B010100 B010402 SEMICOND DVC Dl RECT SI 30V 3A A282 04713 1N5821 A3CR1114 156 0946 00 B010403 MICROCKT DGTUOS TV CAMERA SYNC GEN 80009 156 0946 00 A3CRlll5 152 0633 00 B010100 B010402 SEMICOND DVC DI RECT SI 30V 3A A282 04713 1N5821 A3CR1115 152 0946 00 B010403 SEMICOND DVC DI RECT SI 40V 3 0A 80009 152 0946 00 A3CR1116 152 0633 00 B010100 B010402 SEMICOND DVC DI RECT SI 30V 3A A282 04713...

Page 253: ...1036 315 0103 00 B010100 B010344 RES FXD FILM lOK Off 1 5 0 25W 19701 5043C XlOKOOJ A3Rl036 313 1103 00 nl 1 f IAI DUlU t l RES FXD FILM lOK Of i 1 5 0 2W 57668 TR20JE10KO A3R1037 315 0272 00 B010100 B010344 RES FXD FILM 2 7K 0 f 1 5 0 25W 57668 NTR25J E02K7 A3R1037 313 1272 00 B010345 RES FXD FILM 2 7K Oli l 5 0 2W 57668 TR20JE 02K7 A3R1040 315 0103 00 B010100 B010344 RES FXD FILM lOK Oli l 5 0 2...

Page 254: ...5 05 CPLR OPTOELECTR LED 5KV ISOLATION 09019 H11AX1139R A3Ul030 156 1627 00 MICROCKT LINEAR PULSE WIDTH MCX CONT CKT 12969 UC494ACN A3Ul040 156 0885 05 CPLR OPTOELECTR LED 5KV ISOLATION 09019 H11AX1139R A3U1062 156 0411 02 MICROCKT LINEAR QUAO COMPARATOR SCREENED 04713 LM339JDS A3U1064 156 0366 02 MICROCKT DGTL Dl L DFLIP FLOP SCREENED 02735 CD40138FX A3U1066 156 0328 00 MICROCKT DGTL Dl L t OS CL...

Page 255: ... OHM 5 4 0 25W 57668 NTR25J E 2K A4R2915 313 1202 00 B010345 RES FXD FILM 2K OH 1 5 4 0 2W 57668 TR20JE02KO A4R2916 322 3414 00 RES FXD FILM 200K Om 1 0 2W TC TO 91637 L L r W uvv2r A4R2917 322 3385 00 RES FXD FILM lOOK OHM 1 0 2W TC TO 57668 CRB20 FXE lOOK A4R2918 311 2270 00 RES VAR NONWw TRMR lOK OHM 20 4 0 5W TK1450 GF06VT 10 KOHM A4R2919 322 3385 00 RES FXD FILM lOOK OH 1 1 0 2W TC TO 57668 C...

Page 256: ...01295 SN74LS194ANP3 A4U2990 156 0381 02 MICROCKT DGTL QUAD 2 INP EXCL OR GATE 07263 74LS86PCQR A4U2995 156 0651 02 MICROCKT DGTL 8 BIT PRL OUT SER SHF RGTR 01295 SN74LS164NP3 A4VR2805 152 0217 00 SEMICOND DVC DI ZEN SI 8 2V 5 4 0 4W D0 7 04713 SZG20 A4VR2925 152 0662 00 SEMICOND DVC OI ZEN SI 5V 1 400MW D0 7 04713 SZG195RL A4W411 175 4581 01 CA ASSY SP ELEC 26 28 A 2 25 L RIBBON 22526 ORDER BY DES...

Page 257: ...BA A5C2650 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 iA12X7RlH223M T A5C2660 281 0909 00 CAP FXD CER DI 0 022UF 20 4 50V 54583 MA12X7RlH223M T A5C2720 285 1301 01 CAP FXD MTLZD 0 47UF 10 4 50V 55112 1850 47K50ABB A5C2721 285 1348 00 CAP FXD MTLZD 0 22UF 10 4 63V 55112 1850 22K63ABB A5C2730 285 1348 00 CAP FXD MTLZD 0 22UF 10 4 63V 55112 1850 22K63ABB A5C2731 285 1301 01 CAP FXD MTLZD 0 47U...

Page 258: ...ILM lK OHM 5 0 2W 57668 TR20JE01KO A5R2172 313 1102 00 RES FXD FILM lK OHM S 4 0 2W 57668 TR20JE01KO A5R2201 313 1103 00 RES FXO FILM lOK OHM 5 0 2W 57668 TR20JE10KO A5R2202 313 1103 00 RES FXD FILM lOK OHM 5 0 2W 57668 TR20JElOKO A5R2203 313 1103 00 RES FXO FILM lOK Olf 1 5 0 2W 57668 TR20JE10KO A5R2204 313 1103 00 RES FXD FILM lOK OHM 5 0 2W 57668 TR20JElOKO A5R2205 313 1103 00 RES FXO FILM lOK ...

Page 259: ...M 13K Olf 1 0 5 0 2W TC T2 57668 CRB20 DYE 13KO A5R2422 322 3482 02 RES FXD FILM i4 2K Of ivi 0 5 1o 0 2W TC TO 57668 Ct ts 2u UYt 4K2 A5R2430 322 3289 02 RES FXD FILM lOK OHM 0 5 0 2W TC T2 57668 CRB 20 DYE lOKO A5R2431 313 1101 00 RES FXD FILM 100 Olf 1 5 0 2W 57668 TR20JE100E A5R2432 322 3325 00 RES FXD FILM 23 7K OHM 1 0 2W TC TO 57668 CRB20 FXE 23K7 A5R2433 322 3289 02 RES FXD FILM lOK OHM 0 ...

Page 260: ...00 RES FXD CMPSN 5 lK Ot M 5 0 2W 57668 TR20JE 5K1 A5R2630 322 3193 00 RES FXD FILM lK Ot M 1 0 2W TC TO 57668 CRB20 FXE lKOO A5R2631 322 3235 00 RES FXD FILM 2 74K Off 1 1 0 2W TC TO 57668 CRB20 FXE 2K74 A5R2632 322 3193 00 RES FXD FILM lK Ot M 1 0 2W TC TO 57668 CRB20 FXE lKOO A5R2640 313 1103 00 RES FXD FILM lOK Off 1 5 0 2W 57668 TR20JE10KO A5R2641 313 1103 00 RES FXD FILM lOK Ol t1 5 0 2W 576...

Page 261: ...36 X8 EPROM PRGM 80009 160 3303 05 A5U2260 160 3303 06 B010607 BOllOll MICROCKT DGTL 65536 X8 EPROM PRGM 80009 160 3303 06 A5U2260 160 3303 07 B011012 MICROCKT DGTL 65536 X8 EPROM PRGM 80009 160 3303 07 A5U2301 156 0865 02 MICROCKT DGTL OCTAL DFF W CLEAR 01295 IH4L 0 l t A5U2310 156 0391 02 MICROCKT DGTL HEX LATCH W CLEAR 01295 SN74LS174NP3 ASU2350 156 0956 02 MICROCKT DGTL OCTAL BFR W 3 STATE OUT...

Page 262: ...001 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V 00 35 03508 DA2527 1N4152 A6AlCR3002 152 0141 02 SEMICOND DVC DI SW SI 30V 15Qt t 30V 00 35 03508 DA2527 1N4152 A6A1CR3003 152 0141 02 SEMICOND DVC DI SW SI 30V 150W 30V D0 35 03508 DA2527 1N4152 A6A1CR3004 152 0141 02 SEMICOND DVC DI SW SI 30V 150W 30V 00 35 03508 DA2527 1N4152 A6A1CR3005 152 0141 02 SEMICONO DVC DI SW SI 30V 150MA 30V 00 35 035...

Page 263: ...N 50434 QLMP 1587 A6A1DS3006 150 1161 00 LT EMITTING DIO YELLCM 50434 QLMP 1487 A6AlDS3007 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6A1DS3008 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6A1DS3009 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6A1DS3010 150 1160 00 LT EMITTING DIO GREEN 50434 QLMP 1587 A6AlDS3011 150 1160 00 LI tM1111No D1u 0KttN 50434 lJLMt JO A6A1DS3012 150 1...

Page 264: ...NORM OP 80009 260 2280 00 A6A1S3013 260 2283 00 SWITCH ROTARY VOLTS DIV 80009 260 2283 00 A6AlS3014 260 2280 00 SW PUSH BUTTON MINI MOMENTARY SPST NORM OP 80009 260 2280 00 A6A1S3015 260 2280 00 SW PUSH BUTTON MINI MOMENTARY SPST NORM OP 80009 260 2280 00 A6A1S3016 260 2280 00 SW PUSH BUTTON MINI tffiENTARY SPST NORM OP 80009 260 2280 00 A6A1S3017 260 2280 00 SW PUSH BUTTON MINI MOMENTARY SPST NOR...

Page 265: ...2IP203ZA Af A Af 1 281 0783 00 CAP FXD CER DI 0 1 UF 20 lOOV 04222 MA401Cl04MAA t V Vl A9C4402 281 0783 00 CAP FXD CER DI 0 1 UF 20 4 lOOV 04222 MA401C104MAA A9C4403 283 0279 00 CAP FXD CER DI 0 001UF 20 4 3000V 51406 DHR12Y5Sl02M3KV A9C4409 283 0115 00 CAP FXD CER DI 47PF 5 200V 59821 2DDT60K470J A9C4410 281 0810 00 CAP FXD CER DI 5 6PF 0 5PF 100V 04222 MA101A5R6DAA A9C4411 281 0768 00 CAP FXD CE...

Page 266: ...00 A9Q4422 151 0347 00 TRANSISTOR NPN SI T0 92 04713 SPS7951 A9Q4432 151 0749 00 TRANSISTOR PNP SI T0 92 56289 CT4924 A9Q4440 151 0750 00 TRANSISTOR NPN SI T0 92 04713 SPS8405 A9Q4454 151 0347 00 TRANSISTOR NPN SI T0 92 04713 SPS7951 A9Q4460 151 0745 00 TRANSISTOR PNP SI T0 220 61271 2SA1077G A9R4300 322 3402 00 RES FXD FILM 150K Of tt1 1 0 2W TC TO 57668 CRB20 FXE 150K A9R4301 322 3260 00 RES FXD...

Page 267: ...E910E A9R4402 313 1101 00 RES FXD FILM 100 01 1 5 0 2W 57668 TR20JE100E A9R4403 313 i823 00 RES FXD FiLM 82K Oi fvi 5 0 2W 57668 TR20JE 82K A9R4404 313 1512 00 RES FXD CMPSN 5 lK 01 fv1 5 0 2W 57668 TR20JE 5Kl A9R4405 315 0101 03 RES FXD CMPSN 100 Ol tl 5 0 25W 01121 CB1015 A9R4410 313 1204 00 RES FXD FILM 200K 5 0 2W 57668 TR20JE 200K A9R4411 322 3329 00 RES FXD FILM 26 lK Ol fv1 1 0 2W TC TO 576...

Page 268: ...80009 307 1154 00 Al5 670 9670 00 CIRCUIT BO ASSY rOLOOFF CCJ 1PARATOR 80009 670 9670 00 Al5C169 281 0863 00 CAP FXD CER DI 240PF 5 100V 04222 MA101A241JAA Al5Cl70 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 MA205E104MAA A15Cl72 281 0814 00 CAP FXD CER DI 100 PF 10 4 lOOV 04222 MA101Al01KAA A15Cl73 281 0863 00 CAP FXD CER DI 240PF 5 4 100V 04222 MA101A241JAA A15Cl74 281 0863 00 CAP FXD CER DI 24...

Page 269: ...l Parts 2465A 2467 Service Narre Description RES VAR N0NW PNL 5K 0HM 20 4 0 5W RES VAR N0Nw l PNL 5KOHM 20 4 0 5W LINEAR RES VAR N0Nw l 5K 0Hv1 20 4 0 5W RES VAR N0NwW 5KOHM 20 4 0 5W LINEAR RES VAR NONw l PNL 5K 0lf1 20 4 0 5W RES VAR NONWvJ PNL 5KOl t 1 20 4 0 5W LINEAR RES VAR NONW 5K 01 t 1 20 4 0 5W ELECTRON TUBE CRT ASSY FINISHED ELECTRON TUBE CRT ASSY FINISHED Mfr Cooo 80009 01121 80009 011...

Page 270: ...ded for ease of locating the component Only the components illustrated onthefacing diagram are listed in the lookup table When more than one schematic diagram is used to illustrate the circuitry on a circuit board the circuit board illustration may only appear opposite the first diagram on which it was il lustrated the lookup table will list the diagram number of other diagrams that the circuitry ...

Page 271: ...voltage rating COLOR SIGNIFICANT 2 and or col r code may not be present on some capacitors RESISTORS CAPACITORS DIPPED TANTALUM ELECTROLYTICS DIPPED FIGURES MULTIPLIER TOLERANCE MULTIPLIER TOLERANCE TANTALUM VOLTAGE over 10 pF under 10 pF RATING BLACK 0 1 1 20 2 pF 4VDC BROWN 1 10 1 10 1 o 1 pF 6VDC RED 2 102 or 100 2 102 or 100 2 10VDC ORANGE 3 10 3 or 1 K 3 103 or 1000 3 15VDC YELLOW 4 10 4 or 1...

Page 272: ...lustration c In the circuit board location illustration determine the location of the circuit board in the instrument d Find the circuit board in the instrument and compare it with its illustration in the manual to locate the desired component on the board CDlll Qlt IRIUlll IHAllltl ca _ _ _ _ _ __ _ o _ I _ _ I ASSEMBLY NUMBER AND CIRCUIT BOARD NAME ILLUSTRATION FOR INSTRUMENT CIRCUIT BOARD LOCAT...

Page 273: ... R632 COMPONENT LOCATION TABLE COMPONENTS LOCATED ON SCHEMATIC DIAGRAM 11 C670 C671 C673 C680 C681 P603 P607 0669 0670 R677 0672 R679 0673 R680 R671 U617 R673 U618 R674 U619 R675 CRT CIRCUIT A6 ASSEMBLY CIRCUIT SCHEM BOARD CIRCUIT NUMBER LOCATION LOCATION NUMBER 3E 3D 3C 7D 3D 7E 3E 6E 3C 4F 3D 7G 2D 0606 4E 2D 0610 7C 3D 0615 7D 3D 0645 3E 3B CHASSIS MOUNTED PARTS CIRCUIT SCH EM BOARD NUMBER LOCA...

Page 274: ...UEST READOUT 0 ACKNOWLEDGE CH 2 CH 2 OUT TRACE SEP 1 ATTENUATOR CH 2 1 AND PREAMP DISPLAY nuM ZuN1AL L 1 MAG LATCH i CH 2 SIS cg__ SEQUENCER SWEEP SATES RELAYS 0 EXT ZIN CH 2 TRIG 0 HOLDOFF CH 2 IN 0 PICKOFF OLY SELECT AU f LI __r 6 i Ir CD Z AXIS Z AXIS DC 2KV en AMPLIFIER RESTORER CRT C U C A GATE OUT 0 HIIJ H 0 0 a J a cC B GATE IIJ JJ cnl CD I f llll r i 2 LI 1 CH 1 2 I ATTENUATOR CH 1 SIG A G...

Page 275: ...01 l I ooo15boooo ooorooo OOO oOOO ce 0 0 It N BT2570 Iv Static Sensitive Devices t I See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number TR1234 A b y i L Schematic ssem J Circuit Number Subassembly Number Number if used Chassis mounted components have no ssembly Number prefix see erd of Replaceable Eler tnca Pa 1s l st 0 6 bocooooooooo 6019 13 The numbered wavefc board dolly The wav...

Page 276: ... Assembly Number pref1X see end of Replaceat e Electncal Parts List J K 00000000000000 0 0000000000000 00000000 0000000 0000 0 BT2570 N 61 000000000000 Q 6019 13 0 TEST WAVEFORM SETUP INFORMATION The numbered waveforms below were obtained at the test points indicated on the accompanying schematic diagram and board dolly The waveforms are representative of signals that may be expected at the associ...

Page 277: ...2432 2 R2007 2 R2417 2 R2661 1 U2501 2 C2450 12 R2010 2 R2420 2 R2701 2 U2501 12 C2470 1 R2011 2 R2421 2 R2702 2 U2510 2 C2501 12 R2012 2 R2422 2 R2703 2 U2510 12 C2510 12 R2013 2 R2430 2 R2704 2 U2520 2 C2511 2 R2070 1 R2431 2 R2705 2 U2520 12 C2520 12 R2101 2 R2432 2 R2706 2 U2521 2 C2521 2 R2102 2 R2433 2 R2707 2 U2521 12 C2530 12 R2103 2 R2434 2 R2708 2 U2530 2 C2550 1 R2104 2 R2440 1 R2709 2 ...

Page 278: ...71 9G 2K U2560 7K 3K J652 1N 2A R2541 2B 3F U2640 2J 4G R2542 2B 3F U2650C 5B 4H P503 4C 2G R2543 2C 3G U2650 3L 4H R2544 1C 3G U2660 3K 4K 02070 BF 1K R2545 1C lG 02170 BG 2K R2560 2G 3J W512 10N 4H 02270 BG 2K R2660 3M 4J W512 5N 4H 02370 9G 2K R2661 3M 4J W2240 6G 2F 02470 9G 3K R2742 3M 4G R2770 9M 4K Y2540 1B 3G R2070 BF 1K R2170 BF 1K TP2250 3F 2G Partial A5 also shown on diagrams 2 and 12 O...

Page 279: ... 3AJ FFDI 1 PIIA DOWN 11 9 f1 0K jJ3 i O 0 1 2 U2 1 1s 1 U 2650 C W o l 05 U2550 s15 14 16 19CEHJ 1 1 6 cuJ l 5AJ uon TT H 2 L ___ _ J i f _ _ __ _sv __o _ 1 6 U F t 1 J r A3 __ 20_ 3 __ 1 _ 5 _17__ 9CFH 58 sa o FHJ i 1 STAT STAB II 19 1 DATA BUS 20 IU2350 74LS244 I U2450 74LS373 10 0 1sj IIJ2310 74LS174 i t A Static Sensitive Devices J JI See Haintenence Section SEE DIABRAM FDA POliEfl DISTRIBUTI...

Page 280: ...east significant data bits clock DAC MSB CLK DAC most significant data bits clock DAC MUX1 IN DAC multiplexer 1 input DAC MUX0 INH DAC multiplexer Oinhibit DAC MUX1 INH DAC multiplexer 1 inhibit DAC MUX2 INH DAC multiplexer 2 inhibit DAC MUX1 A0 DAC multiplexer 1 address bit 0 DAC MUX1 A1 DAC multiplexer 1 address bit 1 DAC MUX1 A2 DAC multiplexer 1 address bit 2 DAC MUX1 IN DAC multiplexer 1 inpu...

Page 281: ...ORMATION The waveform below was obtained at the test point indicated on the accompanying schematic diagram The waveform is representative of the signal that may be expected at the test point whenever the instrument is running 0 I r s 0V 3831 51 ...

Page 282: ...OARD CIRCUIT SCHEM CIRCUIT SCHEM CIRCUIT SCHEM NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER I CR3036 3 0S3031 3 S3014 3 CR3037 3 OS3032 3 30 1 3 CR3038 3 os3003 3 S3016 3 CR3039 3 DS3034 3 S3017 3 CR3040 3 DS3035 3 S3018 3 CR3041 3 D83036 3 S3019 3 CR3042 3 D53037 3 S3020 3 CR3043 3 D53038 3 S3021 3 D53001 3 D53039 3 S3022 3 D53002 3 D53040 3 S3023 3 D83003 3 D53041 3 S3024 3 D53004 3 D53042 3 S3025 ...

Page 283: ... SCHEM CIRCUIT SCHEM CIRCUIT SCHEM NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER CR3036 3 D53031 3 S3014 3 CR3037 3 D53032 3 S3015 3 CR3038 3 D53033 3 S3016 3 CR3039 3 D53034 3 S3017 3 CR3040 3 D53035 3 S3018 3 CR3041 3 D53036 3 S3019 3 CR3042 3 D53037 3 S3020 3 CR3043 3 D53038 3 S3021 3 D53001 3 D53039 3 S3022 3 D53002 3 D53040 3 S3023 3 D53003 3 D53041 3 S3024 3 D53004 3 D53042 3 S3025 3 D53005 3 D5...

Page 284: ... 4J 4E R2732 4L 4F R2733 4K 4F R2734 3L 4F R2735 4M 4F R2740 4K 4F R2741 4M 4F TP2420 5M 2D TP2421 5M 2D U2101 9F 1B U2201 9C 2B U2210 2E 2C U2220 2H 2D U2301 SC 2B U2310 2C 2C U2401 3F 2B U2410 7F 2C U2420A 4L 2D U2420B 6K 2D U2420C GM 2D U24200 5K 2D U2430A 2K 2E U2430B 2M 2E U2430C 3K 2E U2430D 2M 2E U2501 5F 3B U2510 3G 3C U2520A 7K 3D U2520B 6M 3D U2521 6J 3E U2530 3J 3E U2601 4F 4B U2620A SM...

Page 285: ... 8 R2602 iOK 1 iDK 2 r _ Q232Q f V 1 1 25V 1 17 1 5 15 2 Jh 1a l2420 1 36V 2 o SN FllON t 1 9 t Fl2520 TP2 420 I IW5n1l l tfo ili 0 ee1 1Fl2521 R2421 Le2420 l 36V 24_ pJSi1 2c u 1 J03 JiO J05 01 2 5_0_1 f fee a OK J4711f l 1 36V DAC IIJX IN 111 1J 4 t l 11511 t 4051 I C2322 U2420D I I 1 v J5tt 2 1 2SV I MUX f s H2 21t 11p2 TL_o1 W42o TP2 42 I I A2320 I 1 25V 115 JSif 1s J651 11 oJ 7 1 SA JL 20K 10...

Page 286: ...IS P652 10N CHASSIS R3009 4M CHASSIS R3014 2M CHASSIS R3019 4M CHASSIS P652 1A CHASSIS R3010 7M CHASSIS R3015 1M CHASSIS R3011 6M CHASSIS R3016 7M CHASSIS W651 9N CHASSIS R3007 5M CHASSIS R3012 5M CHASSIS R3017 3M CHASSIS 9 10 A E F G J P6e2 FFO mf 5 l60 le n TRI LED I I LED DATA I I CU 2 t 5VD A3003 100 Ml Ml Ml i C i I 530 M 53039 S3008 S3007 I ctlll LIH6 I I CIU LIH6 I ON mtBBER LP ON CHI LP RO...

Page 287: ... o o o CA30 CA 3 kl_o_ _ 0 _ _ _ _ _ _ o_ CA30 _2 C DL _s CA3013 CDL cc 00 1 53022 53023 53020 S3018 53029 1 1 E EJ pi s HH ADll B O_ _O ___CR30 iQ 33 CllL 0 J 0 o 1 1 _ 00 i ro J o o CAS0 a 26 CllL 3 l _ _ CAS042 CllL 0 0 J S303I 53030 S3027 53026 5302 5 IA 8 I 11N TRI66ER UP ON TRI66ER UP t 5 RDll 9 o 1 I I 37 CCL 0 l I 1 I I CR l940 CllL 1 116 12 o _ _ _ _ _ _ o c _ _o _ _ _ _ _ _ l _ _ _ _ _ _...

Page 288: ... 0 0 0 d 938 r _ oc oooooo ooc _ L Figure 10 7 A1 Main board and AS Scale Illumination boards K L R 985 j _J 0 _J z O diiis O z 0 0 O d4aJ O r L J J z z 0 0 0 0 w w f f n J 6019 92 M DSlOO Static Sensitive Devices See Maintenance Section i COMPONENT NUMBER EXAMPLE Component Number Chass1s l l lounted compo11ents tiave oref1 i see end of Ren a ea ie E 1 ei tr cal st N p 0S101 DS102 P181 W181 I AS A...

Page 289: ...5 11 R183 4 C730 11 CR461 4 L336 11 R190 4 C731 11 CR476 6 L403 6 R191 4 C73 2 11 CR484 6 L521 11 R 19 2 4 C733 11 CR485 6 L605 6 R193 4 C735 6 CR495 6 L606 6 R194 4 C738 11 CR503 5 L607 6 R195 4 C740 11 CR538 5 L608 6 R196 4 C742 5 CR539 5 L609 6 R197 4 C803 6 CR600 6 L610 6 R198 4 C804 6 CR601 6 L619 6 R199 4 C805 6 CR616 6 L628 6 R200 4 C806 6 CR619 6 L633 6 R201 4 C808 6 CR620 6 L644 6 R202 4 ...

Page 290: ...2 5 U910 5 R520 5 R713 5 R956 6 U910 11 R521 5 R723 5 R957 6 U950 6 R527 5 R724 5 R972 6 U950 11 R529 5 R731 6 R973 6 U975 5 R537 5 R732 6 R981 5 U975 6 R538 5 R733 6 R982 5 U975 11 R542 5 R734 6 R983 6 U980 5 R543 5 R735 6 R984 6 U980 6 R544 5 R736 5 R985 5 U980 11 R545 5 R737 5 R995 6 VR112 5 R550 5 R738 5 S615 6 VR125 11 R551 5 R741 5 UlOO 4 VR152 5 R552 5 R742 5 U100 11 VR225 11 R553 5 R743 5 ...

Page 291: ...ctor a 50 0 BNC cable and a dual input coupler Set VERTICAL MODE Input Coupling CH 1 and CH2 VOLTS DIV CH1 and CH2 A and B SEC DIV CH 1 1 MO DC 50mV 0 5 ms knobs locked TRIGGER MODE CH 1 and CH2 SOURCE COUPLING AUTO 1 MO DC VERT DC All other control settings are irrelevant TEST OSCILLOSCOPE SETUP Connect the 200 mV 1 kHz squarewave from the BNC T connector to the Trigger input of the test oscillos...

Page 292: ...S J4 10A CHASSIS P105 7P CHASSIS 1 CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION 2 R332 9H 2D R430 7N 4E R450 3N 4F R451 3N 4F R452 3N 4E R453 3N 4F R454 6N 4F R455 6N 4F 3 R456 6N 4F R457 6N 4F R458 3P 4F R459 7P 5G R460 BM 4E R461 BM 4E R462 BM 4E R463 7M 3F R464 7P 3E 4 R465 7N 4F R468 6P 4G R469 7N 3E R473 7P 5G R502 3C 1H UlOO 1L 6D U110 4E 7B U120 5E 7C 5 U130A 4F 7C U130B SF 7C U130C SK 7C U...

Page 293: ... TPT CD Rt99 10 44k17f44 UCH 4 PREAMP TO 3 1 6A4 3 0 6A3 TP03 26 CH3 TRIS PICKCIFF _ usp 32 U4508 R451 1458 7 151 CHI 7 SK TRIS PICKOFF_ 0T US00 6 6H J Jlf ERS HAY BE REMOVED ON SOME OPTIONS SEE INTERCO NtECTION DIAGRAM FOR LINE NAMES p FROM LCH3 POS s 7 CH4POS l I R332 r C332 C329 29 POS3 32 POS4 T 35 NOT CCHECTEO TO THE HYllfl 1DS INTERNAL CIAC JITAV HYBRID SOCKET HCI E ON ECB IS USED AS AN INTE...

Page 294: ... f 2 4ms J HOLDOFF 0 0V WINO TRIGGER 0 1u14 uz uu 0V I I V EXPANDED IN 21 W IW TR lGGER At A REF OR DLY POS INTENSITY DLY readout 1000 0 us readout Midrange READOUT INTENSITY Minimum once DLY readout is set HOLDOFF CCW counterclockwise All other control settings are irrelevant TEST OSCILLOSCOPE SETUP Using a X10 probe with the test oscilloscope set its Trigger Slope Trigger Level Volts Div and Tim...

Page 295: ... NO TRIGGER HOLDOFF j f f4 3ms I o 2v 7 n r r 1 1V I I TR I GGERED ON l _ SWEEP l POSITIVE GOING UNNINc7 SQUARE WAVE 0 0V 0 2V 2 6V 0 0 2V 4V 0 0V I I VARIES W t REF SETT I NG I 3ms I I 3ms I 5V 0 0V 4V 0 0V TRIG SWEEP I 3ms 1 A SWEEP 200µs B SWEEP 100µs 2 5V ams ov 0 0 0 OV 5V 0 0 I 3ms I HOLDOFF I 4V i r i 1 i 3V LJ LJ L J i T i TRIG D B SWEEP ONLY B TRIGGERED I 3ms I HOLDOFF ISWEEPI sv 0V A SWE...

Page 296: ...5 5 C173 5 0160 5 R176 5 C174 5 0161 5 R177 5 J160 5 R158 5 R178 5 C Iv Static Sensitive Devices J I See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number A23 T R1234 Assembl I Sch ematic Y _j Circwt Number Subassembly Number Number if used Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List CIRCUIT SCHEM NUMBER NUMBER R179 5 U168 5 U1...

Page 297: ... 3J R849 8D 9E W108 BK R519 4K 3J R852 3K lOF W112 BJ R520 7F 3J R853 3K 10F W120 10F R521 7F 3J R901 6M 10F W122 BL R527 7H 1H R904 6M 10K W160 7L R529 7H 1H R907 5N 9J 6L R537 8H 1E R910 SM lOF R538 BE 98 R912 6M 10F Partiaf A 1 also shown on di11grams 6 8 1111d t t OTHER PARTS J7 65 CHASSIS P107 65 CHASSIS P160 2F CHASSIS R352 JB 4S CHASSIS P108 4S CHASSIS J12 1A CHASSIS P120 4B CHASSIS R112 1A...

Page 298: ... I SSA 1 ITD OPTIONS I J 022 C869f J H 0Pl1 0NS ______ f1 i 2 7l t 00 1 r ___ _ _ 20 l1 EF 1 5V I f 15V 22 J4H Jr s Ee e 2 r SE_Q_Cl l _____ __ t l i r c o m c CQ A _ _ __ 0 _ SSA 6 0 1ili l NJ r Nl smsTRB i 1 2 301 J cs 2 sm I A 022 f 12 Jn s11E7TF r I R678 22 3 _ a 2 8 21 IT ITR 15 B SWEEP g o ii __l______ 1Kc __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 23 iR0I s 1K IIUJol TO 4µ ce R937 uITRR 4 WJ 4 I J 9S...

Page 299: ...play f4 2 4ms J II NO TR I GGER l 3ms l EXPANDED IN 21 lL lt l REF OR DLY POS INTENSITY DLY readout 1000 0 µs readout Midrange READOUT INTENSITY Minimum once DLY readout is set HOLDOFF CCW counterclockwise All other control settings are irrelevant T EST OSCILLOSCOPE SETUP Using a X1 O probe with the test oscilloscope set its Trigger Slope Trigger Level Volts Div and Time Div ranges as required to ...

Page 300: ...DOUT ACT IVE f4 2 4ms 1 WINO TRIGGER AUTO W NO TRIGGER 0 HOLDOFF j4 I 3ms j 0 2V 1 1V TR I GGERED ON SIIEEP l POSI Tl VE GOING RUNNIN 0 0V 0 2V 2 6V 0 0 2V 4V 0 0V 5V 0 0V 4V 0 0V SQUARE IIAVE l4 3ms I VARIES II I REF SETT ING I 3ms j I 3ms j TRIG D SWEEP j4 3ms j A SWEEP 200µs 8 SWEEP 100µs 0 1 3ms j HOLDOFF I 4V 3V r 14 rl TRIG D B SIIEEP ONLY B TRIGGERED 1 3ms j HOLDOFF ISIIEEPI sv 0 0V A SWEEP...

Page 301: ...0F W112 CR753 4P 8J R520 7F 3J R853 3K 10F W120 CR850 BD 10F R521 7F 3J R901 6M 10F W122 CR950 6R BL R527 7H 1H R904 6M 10K W160 CR951 6R 7L R529 7H 1H R907 5N SJ CR982 4R 6L R537 8H 1E R910 5M 10F Partial A 1 also shown on diagrams 4 6 8 11 and 12 ASSEMBLY A15 C169 2D 18 0157 2D 1C R169 2E 1A U169A C170 2E 1A 0158 2F 18 R175 4D 1B U169B C172 3E 1A 0159 3D 1B R176 2F 1A U169C C173 2E 1C 0160 3D 1B...

Page 302: ...9 J1 l J fl t 1 1 t rt OPTICl S r tQ741 I J4111 i ciISPLA s UE R l J9BS 31 _ _ _ _ L M c v M 6 0 p1ilJ6 27 SR2A mr v 29 DI R670 15V SROB f SA08 FAQ 10 OISP SEa CLK 1K TCCC SA18 30 3 SAl8 cg 42V BU j 4N f 5N 0 STAT STFlt 19 TSS m 11 SY 12 SR28 f i A g THO ITF I R678 s iick 23 fl iti49 ftlS 53 1 23 3 i ACA 172 ___ r 1 rilTAA lITRCS 707 C907 FROM 28 ROIR 1K ROI 3 31 lK _ 36 P512 30 DIR 3 BLAN TO H AC...

Page 303: ... waveform illustration Where B Sweep setup conditions are referenced with a waveform it is assumed that the B SEC DIV knob is set to 100 µs div unless otherwise noted 2465A SETUP Connect a 200 mV 1 kHz squarewave to the CH1 input of the oscilloscope using a BNC cable Set VERTICAL MODE Input Coupling CH1 and CH2 VOLTS DIV CH1 and CH2 CH1 and CH2 VAR A and B SEC DIV A and B SEC DIV VAR TRIGGER MODE ...

Page 304: ...NSTANTLY CHANGES Do REF OR DLY POS INTENSITY Dot readout 1000 0 µs readout Midrange READOUT INTENSITY Minimum once Dot readout is set All other control settings are irrelevant TEST OSCILLOSCOPE SETUP Using a X1 0 probe with the test oscilloscope set its Trigger Slope Trigger Level Volts Div and Time Div ranges as required to obtain the indicated displays 4V 0 0V 4V 0 0V 190mV 0 0V f 3ms l W READOU...

Page 305: ...R800 7L 9G U975C 7G R4B2 30 4L R801 7K 9G U980B 8G J191 BK 10L R4B3 2D 5L R802 5L 9G U980C 7G J191 8N 10L R4B4 30 4L R804 6M 9G J191 9A 10L R4B5 4C 4L R805 6M 9G W106 9A J411 10A 1L R486 2C 4L R806 7M 9G W141 7C J411 2A 1L R487 2C 4L R809 6M BG W141 7F J411 4A 1L R4BB 2C 4L R817 5C BF W918 6N J411 9N 1L R489 2B 3L R820 5K 7F W919 6N Partial A 1 also shown on diagrams 5 8 and 11 ASSEMBLY A9 P191 8K...

Page 306: ...2 45 111 81DnH R607 10 R606 10 L609 L606 2 e1111 B10nH L LGO 360nH flN B 37 ISAC VERT CTR 3B GA 22 P0S iV 1l A14 DYNAMIC CENTERING BOARD RB20 31 BK X C995 5 6 Jl41 P141 4 n L J Wl41 15V1 R73 t5K 5V1 J5 10 0 CH_1_CB2_POS_3_ _ _ _ _ _ _ _ _ 1 R734 u rri35 J l _ 220Wv__ U735A 022 J 117 R735 R733 27K JI BK 5V 39 1 NOTE HIGH VOLTASE CIRCUIT MON0 Z AXIS TRANSIENT RESPONSE Rt63 1 10K PARTIAL Ag HIBH VOLT...

Page 307: ...F OR DLY POS INTENSITY at readout 1000 0 µs readout Midrange READOUT INTENSITY Minimum once at readout is set All other control settings are irrelevant TEST OSCILLOSCOPE SETUP Using a X10 probe with the test oscilloscope set its Trigger Slope Trigger Levei VoiisiDiv and Time Div ranges as required to obtain the indicated displays 4V e 0V W READOUT OFF f 3ms i 4V 0 0V W READOUT OFF f 3ms i 190mV 0V...

Page 308: ... NUMBER NUMBER NUMBER NUMBER R2912 7 U2810 12 R2913 7 U2820 7 R2914 7 U2820 12 R2915 7 U2830 7 R2916 7 U2830 12 R2917 7 U2835 7 R2918 7 U2835 12 R2919 7 U2850 7 R2920 7 U2850 12 R2921 7 U2855 7 R2922 7 U2855 12 R2923 7 U2860 7 R2924 7 U2860 12 R2925 7 U2865 7 R2926 7 U2865 12 R2927 7 U2870 7 R2928 7 U2870 12 R2929 7 U2880 7 R2930 7 U2880 12 R2931 7 U2885 7 R2932 7 U2885 12 R2933 7 U2890 7 R2940 7 ...

Page 309: ... U2855 12 R2923 7 U2860 7 R2924 7 U2860 12 R2925 7 U2865 7 R2926 7 U2865 12 R2927 7 U2870 7 R2928 7 U2870 12 R2929 7 U2880 7 R2930 7 U2880 12 R2931 7 U2885 7 R2932 7 U2885 12 R2933 7 U2890 7 R2940 7 U2890 12 R2945 7 U2900 7 R2975 7 U2900 12 R2985 7 U2905 7 U2800 7 U2905 12 U2800 12 U2910 7 U2805 7 U2910 12 U2805 12 U2920 7 U2810 7 U2920 12 CIRCUIT NUMBER U2930 U2930 U2935 U2935 U2940 U2940 U2950 U...

Page 310: ... 5K R735 6H BF US75A 4D R4SO 2D 3K R800 7L 9G U975C 7G DL100 1G 6L R481 3D 4L R801 7K SG USBOB 8G DL100 1G 6F R4S2 3D 4L R802 5L SG U9BOC 7G R4S3 2D 5L R804 6M SG J191 BK 10L R4B4 3D 4L RB05 6M SG W106 9A J1S1 8N 10L R4S5 4C 4L R806 7M SG W141 7F J191 SA 10L R4B6 2C 4L RB09 6M BG W918 6N J411 10A 1L R4B7 2C 4L RB17 5C BF W919 6N J411 2A 1L R4B8 2C 4L R820 5K 7F J411 4A 1L R489 2B 3L R821 5K 7E J41...

Page 311: ...X x TRANl C806 G 001 ClB E f YWi i11 JM I t5Kf 2 J 1 U735A 18 A i RBO M s _ 119 1 B 1 HOFl IZ SI s 0 r static Sensitive Devices 2 1 See HaJntenance Section H PART CF EC8 SEE DIASRAN FDR PmiE11 DISTRIBUTI C99 5 5 6 __ _J i _ IJlrt ORIZONTAL MPLIFIER rWill 11 1 1 1 t M Z AXIS J AMPLIFIER it_ l IM ll Jl l l 1 lal w r o u rI35 A c c c u735 10 J135c r 12 14 13 R732 sv 39 _ MAG 6 IIK 5Y4 15Y1 U7 7 56 r ...

Page 312: ... B C D G H J P411 2 n CURSOR 0 19 I I DLV REF 1 r v r 11 _ 1 1 Hi N W i l M f x 1 i CHARACTER COUNTER _ _ r 1sc _ i t w c 9 R W OLYO 1 11 I _ U2855A U2940 U2935 U2920 f R2911 U2910 13 bcl 74LS393 _ _ o I C A 04 2 74LS244 18 RAO t a HM6116 i 415V r g 4 1 6 RA l 7 g COO i R O _ l C A 34 _ l r l J 1 l 01 15 __ VREF 2 3 4 CA4 1 1 I 9 7 RAR S4 ii 4 I 02 Jr COMP _ CA5 A 3 A4 I 03Jl3 C03 C il LATCH EN 5t...

Page 313: ... C25 1 13 LATCH EN LJ28Q5 I 5VD 12 CODE SEL svo 11 0 EL o 32 5vo 000 ODO 9 i _r r A2912 15V 12 3_ _ v t 2 1 2 1 f 10 1 8 1 MK i R2s14 m l tr cJAo C A o 6 O _ 19 f15 OK J C7 Aic _ CA l i51J4 IOl j 13 U2820B 5 TL072 HORI pl v READOUT I HORIZ OUT CA2 CA2 41 5 J R2913 NC A3 s CAi 3 3 I Q EDB __J l 131 i O G4 CA4 CA4 2fil g 0 4x 3 CAB VERTICAL CHARACTER AC 5VD 5VD SVC 15V R2930 I SOK J MOOE SELECT LOGI...

Page 314: ...8 R1858 8 R1920 8 C1972 8 P191 6 R1864 8 R1922 8 C1973 8 P191 8 R1870 8 R1941 8 C1980 8 P191 12 R1871 8 R1944 8 C1990 8 01851 8 R1872 8 R1945 8 C1991 8 01852 8 R1873 8 R1950 I 8 CR1894 8 01890 J R1878 8 R1951 I 8 I E Jf4l i di1 J 0 3 1 J C1888 r tJ CIRCUIT NUMBER R1952 R1953 R1971 R1972 R1973 R1990 A1991 R1992 R1994 T1970 U1830 U1890 U1890 U1956 U1956 VR1891 W1909 J902 SCHEM NUMBER 8 8 8 8 8 8 8 8...

Page 315: ...eable Electr1cal Parts List A13 CRT TERMINATION BOARD CIRCUIT SCHEM CIRCUIT SCHEM NUMBER NUMBER NUMBER NUMBER J904 8 R1501 8 TEST WAVEFORM SETUP INFORMATION The numbered waveforms below were obtained at the test points indicated on the accompanying schematic diagram and board dolly The waveforms are representative of signals that may be expected at the associated points whenever the instrument is ...

Page 316: ...D R1813 6F 1A R1913 7E 48 VR1891 CR1953 8D 3D R1848 4G lC R1920 7E 4B Partial A9 also shown on diagrams 6 and 12 ASSEMBLY A13 J904 5M 5M R1501 5L 5L OTHER PARTS LR1513 5L CHASSIS P901 SL CHASSIS R977 5A CHASSIS W900 LR1514 5L CHASSIS P902 2H CHASSIS W901 P903 4H CHASSIS V900 1K CHASSIS W902 P120 2B CHASSIS W903 P901 3H CHASSIS R975 2A CHASSIS W900 3H CHASSIS P901 5H CHASSIS R976 5A CHASSIS W900 6L...

Page 317: ...2 I 1J l_14 6 4 PARTIAL A1 MAIN BOARD A1855 1691 15V R 853 442K RIB71 150k 300V R1812 10 lr I P90 f QiS 52 t J901 c lWJ 01 R1857 I IP so 4K c101s L 11 R1854 ___ 0_22_f_ V1 v 3 11 332K Ml 2 R Ba13 RISO I I I e 1 v 2 ________________________ _ 0 8cls c m 30 a 0 V 4 y a m m cc p Ui 1 W 1j LA R1971 HIGH VOLTAGE 2K REGULATOR U1956B 1458 _ 5 R1952 2K I C1973 2200 R 972 220K U1956A OV REF r t cf 1u1 1 LJ...

Page 318: ...191 12 R4343 8 R4401 8 R4461 8 8 04300 8 R4350 8 R4402 12 R4462 8 8 Q4301 8 R4351 6 R4403 8 R4463 8 8 Q4331 8 R4352 8 R4404 8 R4470 8 8 04350 8 R4353 B R4405 8 R4471 8 12 04402 8 R4354 8 R4410 8 R4472 8 8 Q4403 8 R4359 8 R4411 8 T4340 8 8 Q4422 8 R4360 8 R4412 8 T4480 8 8 04432 8 R4361 8 R4413 8 TP4301 8 8 Q4440 8 R4362 8 R4414 8 TP4302 8 I 8 04454 8 R4363 8 R4415 8 U4310 8 8 Q4460 8 R4364 8 R4416...

Page 319: ...AMPLE Component Number A23 A2 R1234 Schematic Assembly J L Circuit Number Subassembly Number Number if used Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List TEST WAVEFORM SETUP INFORMATION The numbered waveforms below were obtained at the test points indicated on the accompanying schematic diagram and board dolly The waveforms are representativ...

Page 320: ...7N 48 R4370 3G 1F R4472 C4451 3E 3E P191 9H 48 R4371 1C 1F C4453 4F 3F R4372 7C 1F T4340 C4460 18 3F 04300 5E 1A R4373 60 1F T4480 C4461 2D 3F 04301 5E 1A R4374 10 2F C4470 2D 3F 04331 7F 2C R4375 2D 2F TP4301 C4480 2G 4H 04350 78 2E R4376 3G 1F TP4302 C4490 30 3F 04402 90 4A R4377 lC 2F 04403 80 4A R4378 2C 2F U4310 CR4331 6E 10 04422 9C 4C R4379 2C 2F U4332A CR4342 60 lE 04432 9K 4D R4380 2C 2G ...

Page 321: ...LTAGE MOOULE J K V901 15KV _______ SCFE MCP FROM 0 11918 6N FFD4 11919 0 6N 375ll LR1513 FFllM r 0 VERT SIG FROM p A EAT SIG 11917 3N s FOCUSING ELECTROOE EDGE FOCUS ANODE 1 GRID L M N Static Sensitive Devices 2 f See Maintenance Section SEE DIA6AAM FOR POWER DISTRIBUTION _ 1 111 1 1 1iu lllrl 1 t i I l tcRT CONTROL CIRCUITS li 1111 _ _ l tt l _ i i t s a I A13 x t TERMINATION J4403 C4409 47 R4410...

Page 322: ... Figure 10 13 A3 lnve A2A1 Regulator and rter boards l z C11021 r lcS C1025 I i I A2A1 A3 t e Devices N Static Sens1 iv t J See Maintenance Section REV MAY 1987 A2A1 COMPONENT NUMBER EXAMPLE Component Number REGULATOR A3 INYERTER ...

Page 323: ...1293 10 CR1331 10 R1013 9 R1300 10 CR1332 10 R1014 9 R1301 10 CR1334 10 R1015 9 R1302 10 CR1351 10 R1016 9 R1304 10 CR1376 10 R1017 9 R1305 10 E1001 9 R1018 9 R1306 10 E1002 9 R1019 9 R1307 10 F1330 10 R1204 10 R1309 10 J121 10 R1208 9 R1331 10 J122 9 R1212 10 R1332 10 J122 10 R1220 10 R1333 10 J201 10 R1221 10 R1334 10 J202 10 R1222 10 R1351 10 J203 10 R1223 10 R1352 10 J204 9 R1226 10 R1353 10 J...

Page 324: ...R1111 9 C1065 9 CR1110 9 R1022 9 R1112 9 C1066 9 CR1113 9 R1023 9 R1113 9 C1067 9 CR1114 9 R1024 9 R1114 9 C1071 9 CR1115 9 R1025 9 R1115 9 C1072 9 CR1116 9 R1027 9 R1129 9 C1075 9 CR1121 9 R1028 9 R1130 9 C1101 9 CR1122 9 R1029 9 RT1110 9 C1102 9 CR1123 9 R1030 9 T1020 9 C1110 9 CR1124 9 R1031 9 T1050 9 C1111 9 CR1131 9 R1032 9 T1060 9 C1112 9 CR1132 9 R1033 9 U1029 9 C1112 9 F1101 9 R1034 9 U103...

Page 325: ...icated on the accompanying schematic diagram and board dolly The waveforms are representative of signals that may be expected at the associated points whenever the instrument is running 4V 0 0V 0 2V 4V j4 24µs l 3V 12V 0 0 0V SV j4 24µs i 11V 48µs 0 2V 0 0V 25V j4 24µs l 11 SV 12V 0 0 0V 5V 6019 24 ...

Page 326: ...1111 9M 6A Fl 102 9N 6A R1035 4L BG U1062B 9H Cll 12 SN 7B R1036 5L SH U1062C 9F Cll 12 SN 78 J231B 5E 5J R1037 4L BH U1062D 9G C1113 BN BB J232B 9P 5A R1040 6H 6F U1062 BH C1114 SN BC J2338 4P 8D R1041 6H 6F U1064A 9G Cl 115 7N BC J2348 7P BB R1042 3H 7H U10648 9G Cl 116 7N 88 J301 6P BC R1044 4M BE U1064 SH C1120 6M 8D J302 6P 58 R1045 4M BE U1066A BJ Cl 130 5M 8D J303 SP 5B R1046 5M BE U10668 9...

Page 327: ...RCUIT o ia tl S J L R1115 300 M N 810 r o 1 IFAN RTl110 5K NIDEC 4 FEEDTIRJ CAPACITOA C O 5000 R1HO 1 87 Rll11 51 R1112 6 TOAIN T 3000C FAN p u l a M tlJ o a u 1_ i u i i A iAi t r i _1M l M _ n M11 R1020 2701 CR1022 C1025 100 F A1024 47K CR1023 R1042 1K 11 Q1040 RRENr Lim1 i i w r U1062B 3 39 C1072 3 3 INVERTER DRIVE i l llf iiillH i t e 11iC C t _ r _ t j lt Q1070 A3 INVERTER IIOARl 6019 112 CA1...

Page 328: ... CR1301 8J 2H R1309 9J 3H CR1302 SJ 3H R1204 SF 3G R1331 1lF 3J CR1303 BL 2F R1212 1C 4D R1332 11F 3J CR1330 11E 4J R1220 1E 4D R1333 11E 3J CR1331 10L 2G R1221 1E 4D R1334 11E 3J CR1332 11E 4J R1222 1D 4D R1351 10G 4J Partial A2 also shown on diagram 9 OTHER PARTS P251 7N CHASSIS 2 CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION R1352 10J 2J R1353 10J 2J R1354 10J 2J R1355 10J 2J R1356 10G 3J R1357 ...

Page 329: ...RS2e 71 01241 I 2 Q 01240 C12 5 1 01243 b 1 5K R1 j Rt2 1 3 9 CR1242 h CfU2 4S C12 5 r Fl1247 B 270 T A1372 12 7K C1374 270 1 5 VOLT REGULATOR i J w i o 4 i _ __ 1 1 k 1 _ Al334 U1270C tOY 1EF At Cll1a 1 HI 32 A1332 B _jg UL 20 0K R 3 30 0K l V 1 lJt H 812114 47k J U1371A 3 324 CR12M 2 tY K L M N t Jr Stlltic Sensitive Devices U SH Hll1ntenance Sect1on lflV CR1221 CAl33l I eYO B 1 251 n 11210 iifl...

Page 330: ... 2G SE Ll 13 3B 7D U140 3K BB Partial A 1 also shown on diagrams 5 6 and 8 6 OTHER PARTS P121 1A CHASSIS P121 SA CHASSIS P122 2A CHASSIS 7 8 9 FROM Jl21 2NJ A P121 P122 a 5VD iW49 C7 I I 5V VR125 R125 6 2V c 360 C125 1 25 2014 13 U100 CHI PREAMP SEE 0 ALSO 1 19 7 LR101 D 5 H B L113 2 7 1H Ci14 4 C L325 2 7jl i Ht c325 47 11 D L336 2 7 H E t C336 47 F E 022 1_ _5V_2 0 f l VR225 R225 6 2V c 360 C225...

Page 331: ...4C I 111 I U170 4051 B 1_1_ __ IU850 4053 S U860 4053 B 71 1 ce75 cs11 I J 1 J 8 0 0 022 TO A149 CR359 U140 1 CR747 U150 1 CA950 A154 A155 A503 A512 A520 A544 A651 A709 A90I IJB60 l4 00 A401 Jl20 5 R479 A491 A496 A497 A49B R615 R61B A63B R649 R650 A820 RBSO A860 A903 U475 I U485 1 U485 B U860 U U860 12 IJ860 13 U860 14 U975 2 1 19 7 1 19 7 8V2 TO i7 r l7 f 1 rt 21 40 11 12 ffe r 19 30 27 19 30J40 ...

Page 332: ... U110 2B 78 W109 7B 10L C731 BC 9F L101 6B BC U120 2B 7C W121 2A 5J C732 88 9B L107 68 7D U130 28 7C W121 BA 5J 5 C733 2G BE L113 38 7D U140 3K 88 W122 7A 5J Partial A 1 also shown on diagrams 4 5 6 8 and 12 OTHER PARTS 6 P121 1A CHASSIS P121 8A CHASSIS P122 2A CHASSIS 7 8 9 F J121 2N A P122 B C D L220 1J 2 7 ili 4 C220 r H 11 f IH FRI ft 5VD J122 0 I I 5V 3N C221 47 F YR125 R125 6 2V r 360 C125 2...

Page 333: ...H C307 47 F H c21e fc21s To 47 Ff i 1 sv1_ R462 BMJ fC731 T220 F fC730 T 022 L307 2 7 t TO L521 2 7 t 1 36V Jr i 10 13 IJ120 B C1BO TO C853 1 25V S 0 r l f U900 31 2 U600 f VERTICAL g OUTPUT f SEE i ALSO U650 DISPLAY SEIJUEIEER SEE ALSO 11 12 U700 A SWEEP SEE ALSO U900 B SWEEP UBOO HORIZ OUTPUT SEE SEE 19 30 27 J ___ f sso f j 19 30 4 0 1 _ _ 1g J25 9 2_ s 1 7 L738 15 C738 47 Hf i 15V1 0R 7H 0l 7 ...

Page 334: ...l A6 also shown on diagram 3 ASSEMBLY A9 P191 1B 48 U1890 2D 2E W1909 28 2A U1956 2D 4C 7 Partial A9 also shown on diagrams 6 and 8 OTHER PARTS P411 3A CHASSIS P511 5A CHASSIS P512 5J CHASSIS P652 6H CHASSIS 8 A B C D P191 TO FROM O 14 87V 87V 0 CAi915 J191 16 1P R1870 0 L R1873 R1901 r TO P904 1 42V 42V 0 lH980 J191 13 1P R1864 0 I R1878 R1895 TO 15V 15V 0 A1833 J191 5 2P A1842 0 I 8 TO HOV REF H...

Page 335: ...B6 U2995 74LS 64 H TO SVO 0 J401 2 R2B41 R2B42 R2843 R2B44 R2B50 R2901 R2902 R2915 R2928 R2929 R2940 R2975 R2985 J L Static Sensitive Devices See Maintenance Section U2B00 2 4 5 U2B05 1 2 3 4 5 U2B50 2 13 U2B60 9 11 19 U2B65 15 U2BB0 2 13 U2BB5 5 U2910 1 U2920 22 23 U2950 1 10 U2960 1 U2965 1 12 13 U2995 1 2 I PARTIAL A9 HIGH VOLTAGE BOARD 11 15V L _J 15V A 7 R291B t 1 __ _ R2921 W411 P511 IGND s ...

Page 336: ...3F 6 Partial A6 also shown on diagram 3 ASSEMBLY A9 C4367 2B 2F CR4414 2C 4C R4402 18 4A U4367 2D 2F C4368 2B 2F C4402 1B 4A P191 1B 4B U4332 2D 2D U4366 2D 1F 7 Partial A9 also shown on diagrams 6 and 8 ASSEMBLY A15 C16B 1K 1B J160 1J 1B U16B 1K 1A Partial A 15 also shown on diagram 5 8 OTHER PARTS P411 3A CHASSIS P511 5A CHASSIS P512 5J CHASSIS P652 6H CHASSIS A B C D E F G P191 R4402 TO 16 B7V ...

Page 337: ...0 02270 R2544 R2201 R2170 R2560 R2202 t5VD TO 0 R2244 R2660 R2203 1 R2250 R2661 0 R2204 R2251 R2742 R2205 R2342 U2240 7 R2206 R2346 U2440 4 10 12 R2306 R2370 U2550 6 R2340 R2443 U2650 12 R2341 C TO R2621 5 _ V__ 2 R2623 B 24 ij f l t5V 10 GNO C 022 F CAPS 6 U2510 LH311 U2660 74LS154 12 JC2650 GND C C2660 GND C C GNO C C2320 R2413 R2415 R2416 R2417 R2510 R2512 A2540 R2610 R2641 R2642 I 4 3 TQ _ 5V ...

Page 338: ... 2 PINS J9 0 P1 J11 S 0 0 0 E F G GB 3 PINS 0 TEST COltJECTDRS J100 I D D D D1 WiO I 0 cH2 A P111Ju J101 AB SCALE ILLUMINATION BOARD ICALIBRATOR I r0p___________ W11 P101A I CI 0 GNO 4 J 2 E F GI 1 CB 3 PINS 0 TSA 1 ri fA12 CH2 ATTENUATOR ASSEMBLy I I 1 GNO 5 TSEi s GNO 7 P101B TSB 8 I GN09 J3 W J 0 J102I J r BHO 1 I GNO 2 j4 A uxTRIG 3 0P102B FROM TO r Nn A OPTIONS N C 6 l HO 5 P160 I HSY 0 5V 6 ...

Page 339: ... 2 4 s Jg I fer 0 BA v 5 A v 0 9 ICALIBRATOR I P101J10 1 V I L E F 6 I 0B 3 PINS 0 TEST CONNECTORS J100 rr rr rr rr WiO I 0 CH2 A 8 8 8 8 P11 IJ11 J101 I J2r EFO OB 3PINS0 ITSA 17 i J f 0 W11 1 i 1 PIO A I CI 0 GND 47 _ IA12 CH2 ATTENUATOR ASSEMBLY j _ I SN 7 P O B TSB 87 GND 9 10 J102 I r BHO 7 GND 27 T AWfm 3 _ P1028 ri6 g _ GND 47 l l ti GND 77 B AUXTRIG e l PI02 GND 97 os 107 J103 I A BYP 17 0...

Page 340: ...9A P511 2 2N R3007 3 5M W916 6 2N P107 5 6S P511 2 4A R3008 3 2M W917 6 3N P108 s 4S PS11 2 SN R3009 3 4M P120 4 4M P512 12 5J R3010 3 7M P120 s 3B P512 1 10N R3011 3 6M OTHER PARTS 2467 CIRCUIT SCHEM SCHEM CIRCUIT SCHEM I SCHEM CIRCUIT SCHEM SCHEM CIRCUIT SCHEM SCHEM NUMBER NUMBER LOCATION NUMBER NUMBER LOCATION NUMBER NUMBER LOCATION NUMBER NUMBER LOCATION B10 9 1P P108 5 4S P511 2 2N R3009 3 4M...

Page 341: ...JUSTMENT LOCATIONS 2 l 3831 69A 0 r 1 i I y 0 to 00 00 0 00 00 0 0 0 I 100 00 0 1 00 1001 00 Ilk LJ Z AXIS TRANSIENT RESPONSE R4335 FOCUS RANGE R4430 HIGH DRIVE FOCUS R4340 EDGE FOCUS R4342 GRID BIAS R4354 MCP BIAS R4365 2465A 2467 Service Y AXIS ALl NMl NT R4370 6019 25 A9 2467 HIGH VOLTAGE ADJUSTMENT LOCATIONS 2 DAC REF R2010 OS 100000000 0000000000 AS CONTROL ADJUSTMENT LOCATIONS 3 0 0000000000...

Page 342: ... 0 7 J119 r r 7 J _ 1 c i i 9 l 0 0 0 0 0 0 0 0 0 0 0 0 ooooooocooc ooooooccooc VERT READOUT JITTER R618 C 0 0 C 0 0 0 C 000 0 00 _ i oooc C G c C c Oi c ci n o I ii tc c r 0 r ____ G t o e MAX GRID DRIVE R949 UB C c HORIZ READOUT JITTER R805 l f 1 _J__ci f 6 X1 GAIN R860 A1 MAIN ADJUSTMENT LOCATIONS 4 6019 95 t ANUWIUIM LIMIT L644 GAIN R638 2455A 2457 Ser tics ...

Page 343: ...GNOSTIC PROCEDURE REPAIR LED CIRCUITRY OR FRONT PANEL INTERCONNECT REFER TO NOP KERNEL DIAGNOSTIC PROCEDURE REPAIR FAULTY SUPPLY OR DISTRIBUTION YES TROUBLESHOOT E SIGNAL LINE CHECK FOR ECB 9 ISHOAT OR SHORT INTERNAL NO REFER TO OPTION SYSTEM DIAGNOSTICS N THE OPTIONS SERVICE MANUAL TO U2140 U2440 U2556 OR U2450 2465A 2467 Service YES REFER TO NOP KERNEL DIAGNOSTIC PROCEDURE 6019 27 ...

Page 344: ... UPPER SOURCE SWITCH TO TUAN ON LOOPING PRESS COUPLING SWITCH UP TO BEGIN TEST ERROR MESSAGE DIAGNOSTICS NO NO NO CHECK CONTINUITY FROM BOO ON CONTROL BOARD YES REPL ACE U2550 NO YES FAILURE CODE Xi X2 OR 1X CALIBRATE ENTIRE INSTRUMENT ANO ALL OPTIONS IF PRESENT TURN POWER OFF WAIT 5MIN AND TURN POWER BACK ON NO NO OPEN CIRCUIT YES CHECK BATTERY CIRCUIT CHECK OR REPLACE RAM U2960 YES REFER TO TRIG...

Page 345: ... INSTRUMENT AND ALL OPTIONS IF PRESENT TURN POWER OFF WAIT 5MIN OPEN CIRCUIT AND TURN POWER BACK ON YES CHECK BATTERY CIRCUIT CHECK OR REPLACE RAM U2960 YES REFER TO TRIGGER ERROR MESSAGE TABLE AT LEFT TO DETERMINE PROBABLE CAUSE NOTE Refer to pages 6 10 through 6 15 of Maintenance Section for detailed informa tion on Diagnostic Routines CHECK LINE TRIGGER SOURCE AND INTERCONNECTIONS YES CHECK OR ...

Page 346: ...THE MONITOR PROBABLE CAUSE AN INTERMITTENT POT OR SWITCH JS INTERRUPTING FRONT PANEL SCAN NO FRONT PANEL TROUBLESHOOTING MANUALLY EXERCISE THE FRONT PANEL SW ITCHES AND OBSERVE THE MANUALLY EXERCISE YE_S______________________________ EACH POT OBSERVING THE CONTROL S FUNCTION ASSOCIATED LEDS MAIN INSTRUMENT IS NOT PROPERLY READING THE POT S VALUE MOVE A FRONT PANEL SWITCH IN ORDER TO UPDATE THE LED...

Page 347: ...FRONT PANEL SW ITCH IN ORDER TO UPDATE THE LEO DATA YES MANUALLY EXERCISE EACH POT OBSERVING THE CONTROL S EXTRA LEDS ARE LIT PROBABLE CAUSE DEFECTIVE SHIFT REGISTER PROBABLE CAUSE DEFECTIVE SHIFT REGISTER PROBABLE CAUSE DEFECTIVE LEDISl FUNCTION YES PROBABLE CAUSE AN INTERMITTENT POT OR SWITCH IS INTERRUPTING FRONT PANEL SCAN PROBABLE CAUSE DEFECTIVE POT MANUALLY EXERCISE EACH SWITCH OBSERVING TH...

Page 348: ...TON DISPLAY DIAGNOSTIC PROCEDURE ROTATE 6 REF ROTATE 6 6 PRESS 6 t THEN PRESS 6 V 6 TURNS CCW THEN 2 TURNS CW TURNS CW THEN _ 11 2 TURNS CCW ADJUST GRID BIAS MCP BIAS 2467 ONLY AND GRID DRIVE ACCORDING TO CALIBRATION PROCEDURE RETURN CONTROLS TO INITIAL SETTINGS ANO PRESS BEAM FINO REPAIR OR REPLACE CRT CONNECTIONS U600 OR BEAM FINO CIRCUIT REFER TO THE SWEEP DIAGNOSTIC PROCEDURE REPAIR OR REPLACE...

Page 349: ...er to 1 25 V even though THO or DG THOB remains LO A Sweep SGA path to U650 U650 response to SGA or THO path B Sweep DG path or generation in U700 if B Sweep stuck in state 6 7 NOTE If trigger is in a free run mode state 8 follows state 6 immediately Trigger circuit response to THOA or THOB 8 THO timer circuits between U165C and U650 inclusive A Sweep Normal rest state for B Sweep STATES 1 TGA SGA...

Page 350: ...ses SGA in 240 ms rHOB remains LO sequence 1 Wait for Trigger Indefinite HI HI LO 1 25 V 2 Initiate Sweep Gate 20 ns LO HI LO 1 25 V 3 lnitate Ramp Up 200 ns LO LO LO 1 25 V THO 4 Run Ramp Up 22 µS LO LO LO Slew to 1 36 V 5 Terminate Sweep Gate 2 µs LO LO LO 1 36 V XPANDEO 6 Initiate Holdoff 100 ns LO HI LO 1 36 V SCALE 7 Reset Trigger 10 ns LO HI HI 1 36 V 8 RESET SWEEP 2 µS HI HI HI Slew to tate...

Page 351: ...7 FULL C H ANO GRID DRIVE R949 FULL C W REFER TO THE HORIZONTAL TROUBLESHOOTING HINTS AT LEFT VOLTAGES ARE MEASURED USING A TEST OSCILLOSCOPE WITH X10 PROBES WHILE HOLDING IN BEAMFIND BUTTON DISPLAY DIAGNOSTIC PROCEDURE ROTATE A REF ROTATE 6 6 TURNS ccw 1 TURNS cw THEN PRESS t THEN PRESS A V THEN 2 TURNS CW 2 TURNS CCW ADJUST GRID BIAS MCP BIAS 2467 ONLY AND GRID DRIVE ACCORDING TO CALIBRATION PRO...

Page 352: ...0 YES DISCONNECT ANY WIRE CONNECTED TO J102 5 REPAIR OPTION CIRCUIT CONNECTED TO J102 5 NO REINSTALL U700 SWEEP TROUBLESHOOTING PROCEDURE YES PULL SGA LOW WITH A STRAP TO GNO FROM U980 3 TEMPORARILY YES REPAIR HOLDOFF COMPARATOR CHECK U168B G158 G161 NO NO REPAIR HOLDOFF TIMING CURRENT SOURCE REPAIR SG SIGNAL PATH CHECK HOLOOFF CURRENT SOURCE ANO HOLOOFF RESET Q155 Q157 Q159 CU60 U168A U169A U169F...

Page 353: ...REPAIR HOLDOFF TIMING CURRENT SOURCE REPAIR SG SIGNAL PATH CHECK HOLDOFF CURRENT SOURCE AND HOLDOFF RESET CH55 CH57 lH59 CH60 U16BA U169A U169F NO TEMPORARILY CONNECT A 10KO RESISTOR FROM U650 10 TO 5V REPLACE U650 YES NO REMOVE U500 YES REPLACE U700 TRY SUBSTITUTING U900 TROUBLESHOOT FAILING CIRCUIT NO REPAIR CC OR CO TO U500 OR REPLACE U500 REPLACE 0155 REPAIR AUXTRIG FROM OPTIONS YES 2465A 2467...

Page 354: ...11 12 13 14 ANO 15 U2935 1 19 U2920 11 PULSES HI BUT IS LO AT SAl IE TIME AS U2920 16 RAS DLY REFS OR DLY REFl IS STUCK PROBLEM IN AREA OF U2810 OR U2900 CURSOR CONTROL PROBLEM CHECK FOR POWER UP ERROR CODE ON LEDS AND REFER TO APPROPRIATE TROUBLESHOOTING PROBLEM WITH DLY REF0 OLY REF1 U2800 OR U2805 PROCEDURE PROBLEM IS ON MAIN BOARD REPLACE U2995 READOUT TROUBLESHOOTING PROCEDURE BAD COMPONENT I...

Page 355: ... U2880 1 FOR A HI CHECK U2830A ANO U28308 FOR PARTIAL FAILURE CHECK U2850 _ US ING TI EORY OF OPERAT ION OFF DURING SLOW SWEEP CHECK PATH U2995 14 U2835 9 U2980 1 U2965 4 U2930 12 ANO U2950 B CHECKING U2950 11 FOR ACTIVITY AND U2950 13 FOR A HI YES CHECK R2903 R2905 R2916 R2917 R2918 R2919 R2921 R2922 R2923 R2924 R2925 R2926 R2928 R2929 R2931 R2932 R2933 ANO A O INPUTS ON MAIN BOARD NO YES PROBLEM...

Page 356: ...positioning input pin 22 of U800 of Output IC varies approximately from 1 25 volts to 1 25 volts as the Horizontal POSITION con trol is rotated through its range If it does not repair the position circuit 2 Check that the A Sweep Ramp at pin 18 of US00 is ramping from 1 25 volts to 1 25 volts If it is not check the buffer amplifier made up of U735 and its associated components When operating prope...

Page 357: ... 106 ms intervals 5 Check that each of the outputs of U2550 has similar signals present diagram 2 6 Check that each output of U2660 diagram 1 has four bursts of two pulses each occurring at 104 ms to 106 ms intervals 7 Turn instrument power off and restore P503 to the NORM position 8 Power up the instrument again 9 Set the instrument s CH 1 and CH 2 input coupling to 1 MQ DC and TRIGGER MODE to NO...

Page 358: ...OVE NORM DIAG JUMPER TO THE DIAG POSITION NO REPLACE U245O OR U235O KERNEL NOP DIAGNOSTIC PROCEDURE REPLACE U214O ROMS OR RAM REPAIR ADDRESS DECODE CIRCUIT LOCATE FAULT ANO REPAIR 2485A 2467 Service REPLACE U214O U245O OR U235O 6019 35 ...

Page 359: ...75 5V Jl 19 5 4 965 to 5 035 8 V J119 11 7 88 to 8 12 15 V J119 1 14 775 to 15 225 POWER SlPPLY TROUBLESHOOTING PROCE E YES CURRENT LIMIT OR STARTUP PROBLEM REFER TO THE INVERTER PROCEDURE NO CHECK REGULATOR I a OUTPUTS ACCORDING TO TABLE AT LEFT NO CHECK FOR OPEN LI NE CORD POWER SWITCH LINE FILTER OR RECTIFIER CCR1011 l REPAIR INDICATED FAULT POWER SUPPLY TROUBLESHOOTING PROCEDURE YES REFER TO T...

Page 360: ...TO THE INVERTER PROCEDURE YES DETERMINE CAUSE OF OVERHEATING NO NO REPLACE THERMAL CUTOUT SWITCH CS1020l SET SWITCH CS90l TO HATCH THE LI NE VOLTAGE REPLACE THE FUSE 2465A 2467 Service YES WITH POWER OFF REMOVE COMB P231 REPLACE FUSE ANO TURN POWER BACK ON NO WITH POWER OFF RE INSTALL YES CHECK CR1011 SPARK GAP ARRESTORS AND DESCRETE FILTER COMPONENTS FOR SHORTS WITH POWER OFF REINSTALL COMB P231 ...

Page 361: ...Y TEST LOAD 152 0066 00 4 EA 4 5k0 20W 308 0033 00 5 V 0 Test Load 1500 1W 303 0151 00 750mA C 159 0042 00 l 3 3µf 290 0806 00 Some load is required for the Inverter to run When the Power Supply module is removed from the instrument or when the Regulator Board is disconnected from the Inverter Board s output the test load described below may be used to check operation of the Inverter NOTE Each of ...

Page 362: ...IT U1062 U1064 U1066 REMOVE PRIMARY TEST LOAD ANO RESOLDER W1060 HOVE THE OUTPUT OF THE DC POWER SUPPLY TO THE CATHODE OF CR1023 CHECK CURRENT LIMIT 01040 CR1040l ANO DUMMY LOAD CC1072l FOR SHORTS REDUCE OUTPUT LEVEL OF DC POWER SUPPLY UNTIL DRIVE FROM U1030 STOPS y CHECK P232 P233 ANO P234 FOR SHORTS TO GROUND ON THE UNREGULATED SUPPLY LINES ALSO CHECK FOR SHORTS ACROSS CRl 101 CRl 102 CR1130 CR1...

Page 363: ...RIMARY TEST LOAD CONNECT THE OUTPUT OF A DC POWER SUPPLY PS5031 TO THE JUNCTION OF R1020 AND CR1022 CONNECT THE OUTPUT TO THE CATHODE OF CR1050 CONNECT A DMM SET TO MEASURE VOLTAGE BETWEEN THE CATHODE OF CR1023 AND THE CATHODE OF CR1050 TURN THE PS503 ON AND SLOWLY RAISE ITS OUTPUT TO 28V CHECK QI 021 Q1022 VR1020 Q1040 AND ASSOCIATED CIRCUITRY REDUCE PS503 OUTPUT LEVEL TO 16V CHECK ZENER DIODE VR...

Page 364: ...that the device is not open circuited e Check feedback through the voltage sense comparator f If supply goes low only when fully loaded suspect an open circuit diode in the associ ated rectifier circuit I CAT I HIGH READOUT VOLTAGE BOARD BOARD DYNAMIC r CENTERING 2465A ONLY MAIN BOARD L HOLDOFF BOARD 2467 ONLY CONTROL BOARD SCALE ILLUMINATION BOARD IFRONT PANEL i BOARD REGULATOR TROUBLESHOOTING PR...

Page 365: ... NECESSITATES A COMPLETE RECALIBRATION OF THE INSTRUMENT REMOVE 15V UNREG FUSE CHECK FUSE F1102 RECTIFIER CR1110 Cl 110 Cl 111 L111 0 ANO SV OUTPUT WINDINGS OF T1060 YES OUT OF LIMITS REFER TO THE INVERTER PROCEDURE REMOVE JUMPER 208 CHECK 5VD FEEDBACK PATH THROUGH V1371C AND U1040 EXERCISE THE CIRCUIT BY VARYING Rl 292 VOLT REF AOJl ANO VERIFY THAT SVD VARIES REPAIR PATH THROUGH U1371C AND U1040 ...

Page 366: ...NG PARTS Attaching Parts always appear in the same indentation as the item it mounts while the detail parts are indented to the right Indented items are part of and included with the next hiqher indentation Attaching parts must be purchased separately unless otherwise specified ABBREVIATIONS INCH ELCTRN ELECTRON IN INCH SE SINGLE END n NUMBER SIZE ELEC ELECTRICAL INCAND INCANDESCENT SECT SECTION A...

Page 367: ...14 OLD STATE RD ST LOUIS r 0 63178 MCGRAW EDISION CO PO BOX 14460 73439 TEXTRON INC CAMCAR DIV AMERICAN SCREW CO 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 78189 ILLINOIS TOOL WORKS INC ST CHARLES ROAD ELGIN IL 60120 SHAKEPROOF DIVISION 80009 TEKTRONIX INC 4900 SW GRIFFITH DR BEAVERTON OR 97077 PO BOX 500 80033 MICROOOT MANUFACTURING INC 1345 MIAMI ST TOLEDO OH 43605 PRESTOLE E...

Page 368: ...337 2926 03 378 0199 03 1 FILTER LT CRT BLUE 3 415X4 105X0 03 TK1634 378019903 10 334 4378 01 1 MARKER IDENT MKD PROBE POWER 80009 334 4378 01 11 334 4381 02 1 MARKER IDENT MKD CONNECTOR DENT 80009 334 4381 02 12 334 4377 04 1 MARKER IDENT MKD CAUTION 80009 334 4377 04 13 348 0729 00 B010100 6014506 2 FOOT CABINET W CORD WRAP REAR BLACK PU 80009 348 0729 00 348 0729 01 B014507 2 FOOT CABINET W COR...

Page 369: ... 2465A ILLUSTRATION 2465A 2467 SERVICE ...

Page 370: ...01 0 2465A IL 2465A 24 UlTRATION SERVICE 29 3l 16 ...

Page 371: ...R 13 210 0012 00 13 WASHER LOCK 0 384 ID INTL 0 022 THK STL 09772 ORDER BY DESCR ENO ATTACHING PARTS 14 1 CIRCUIT BD ASSY FRONT PANEL SEE A6Al REPL 15 384 1684 01 2 SHAFT VARIABLE 2 16 L POLYCARBONATE 80009 384 1684 01 16 384 1683 01 1 SHAFT VARIABLE 2 36 L POLYCARBONATE 80009 384 1683 01 17 366 1516 00 20 PUSH BUTTON IVORY GRAY 0 3 X0 665 H SQ 80009 366 1516 00 18 366 1538 00 10 PUSH BUTTON IVORY...

Page 372: ...RY 80009 334 6652 00 20 211 0304 00 2 SCR ASSEM WSHR 4 40 X0 312 PNH STL T9 01536 ORDER BY OESCR 21 386 4863 00 1 SUPPORT CKT BD 80009 386 4863 00 22 378 0275 00 1 OEFLECTOR AIR AllJ 1INLM 80009 378 0275 00 ATTAOiING PARTS 23 211 0711 00 SCR ASSEM WSHR 6 32 X0 25 PNH STL TOR X 01536 ORDER BY DESCR END ATTACHING PARTS 24 119 2102 00 FAN TIBEAXIAL 12V 1 5W 3200RF 1 24CFM TK1328 119 2102 00 25 337 30...

Page 373: ...T PLAIN HEX 0 25 32 X0 312 BRS CD PL 73743 2X 20319 402 END ATTACHING PARTS 334 1951 00 MARKER IDENT MKD WARNING CRT VOLTAGES 22670 ORDER BY DESCR 62 337 2931 01 SHIELD CRT TK1285 337 2931 01 ATTACHING PARTS 63 211 0337 00 4 SCREW MACHINE 4 40 X 0 25 PNH SST 01536 ORDER BY DESCR END ATTACHING PARTS 64 200 0917 01 1 COVER CRT SKT 2 052 OD X0 291 H PLASTIC 80009 200 0917 01 65 1 WIRE SET ELEC W CRT ...

Page 374: ...13 2465A IL 2465A 2 lTRATION SERVICE ...

Page 375: ...A1 70 24 5 ILLUSTRATION 2405 2467 SERViCE I 88 87 1 19 ...

Page 376: ...ice Fig Index Tektronix Serial Assemly No No Part No Effective Dscont 3 83 343 1012 00 84 441 1618 02 11 8 Oty 12345 Hare Description 2 RETAINER CKT BD POLYCARBONATE 1 CHASSIS SCOPE Mfr Code Mfr Part No 80009 343 1012 00 80009 441 1618 02 REV MAY 1987 ...

Page 377: ... lINUM 80009 407 3436 00 21 407 3437 00 1 BRKT CMPNT MTG CAP B0TT 1 PL ASTIC 80009 407 3437 00 22 407 2854 00 1 BRACKET Af GLE TRANSISTOR ALUMINUM 80009 407 2854 00 ATTACHING PARTS 23 210 0586 00 5 Nu T PL ASSEM WA 4 40 X0 25 STL CD PL 78189 211 041800 00 END ATTACHING PARTS 24 129 0304 00 1 SPACER POST 1 265 L 4 40 EA END NYLON TK1627 ORDER BY DESCR 25 343 1025 00 3 RETAINER XSTR 80009 343 1025 0...

Page 378: ...L CLE SST 91260 ORDER BY DESCR 66 384 1631 00 1 EXTENSION SHAFT 12 897 LX0 375 00 PLSTC 80009 384 1631 00 67 407 2800 00 1 BRACKET PIVOT EXTENTION SHAFT PLASTIC 80009 407 2800 00 ATTACHING PARTS 68 211 0711 00 SCR ASSEM WSHR 6 32 X0 25 PNH STL TORX 01536 ORDER BY DESCR END ATTACHING PARTS 69 407 2803 00 BRACKET PVT ARM EXTENSictl SHAFT PLASTIC 80009 407 2803 00 70 CKT BOARD ASSY MAIN SEE Al REPL 7...

Page 379: ...TACHING PARTS SOCKET PIN CONN W 0 DIMPLE BUS CONDLCTOR SHUNT ASSEMBLY BLACK 2465A Replaceable Mechanical Parts 2465A 2467 Service Mfr Code Mfr Part No 78189 211 041800 00 22526 75060 012 22526 65474 005 TERMINAL PIN SEE REPL FOR CKT NLMBERS CLAMP CABLE 0 062 DIA PLASTIC 80009 343 0088 00 ATTACHING PARTS SCR ASSEM WSHR 6 32 X 0 25 PNH STL TORX 015 36 ORDER BY DESCR END ATTACHING PARTS CONN RCPT ELE...

Page 380: ...CESSORY 6 IN X 9 IN W ZIPPER 05006 ZIP 6X9ID 11 200 2742 02 1 COVER PROT FRONT PANEL 80009 200 2742 02 12 386 4849 00 1 PLATE MOUNTING ACCESSORY POUCH ALUMINLM 80009 386 4849 00 13 016 0692 00 1 POUCH ACCESSORY 80009 016 0692 00 14 161 0104 00 1 CABLE ASSY PWR 3 WIRE 98 0 L W RTANG CONN 16428 CH8352 FH 8352 15 343 0003 00 1 CLAMP LOOP 0 25 ID PLASTIC 06915 E4 CLEAR ROUND 16 210 0863 00 1 WSHR LOOP...

Page 381: ... 2465A ACCESSORIES 2465A 2467 SERVICE G en C 8 m 0 lJ iii ...

Page 382: ...RTS Attaching Parts always appear in tr e same indentation as the item it mounts while the detail parts are indented to the right Indented items are part of and included with the next higher indentation Attaching parts must be purchased separately unless otherwise specified ABBREVIATIONS INCH ELCTRN ELECTRON IN INCH SE S NGLE END NUMBER SIZE ELEC ELECTRICAL INCANO INCANDESCENT SECT SE Cl ION ACTR ...

Page 383: ...4460 73439 TEXTRON INC CAMCAR DIV AMERICAN SCREW CO 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 77900 SHAKEPROOF SAINT CHARLES RD ELGIN IL 60120 DIV OF ILLINOIS TOOL ORKS 78189 ILLINOIS TOOL WORKS INC ST CHARLES ROAD ELGIN IL 60120 SHAKEPROOF DIVISION 79136 WALDES KD IINOOR INC 47 16 AUSTEL PLACE LONG ISL ANO CITY NY 11101 80009 TEKTRONIX INC 4900 SW GRIFFITH DR BEAVERTON OR 970...

Page 384: ...RT 3 0 X3 670 BLUE ACRYLIC 80009 378 0270 00 11 337 2926 03 1 SHLD IMPLOSION 4 44 X3 67 X0 06 CLEAR 80009 337 2926 03 12 334 4377 04 1 MARKER IDENT MKD CAUTION 80009 334 4377 04 13 334 6341 00 1 MARKER IDENT MKD REAR BNC 80009 334 6341 00 14 334 5696 00 1 MARKER IDENT MKD OPTION 80009 334 5696 00 15 200 3200 00 1 COVER REAR POLYCARBONATE 80009 200 3200 00 ATTACHING PARTS 16 212 0154 00 4 SCREW MAC...

Page 385: ... qD I I I 12 22 14 15 2467 ILLUSTRATION 2465A 2467 SERVICE ...

Page 386: ...2467 IL 2465A flRATION SERVICE 16 ...

Page 387: ...A6R3007 T U R3019 REPL ATTACHING PARTS 12 220 0495 00 13 NUT PLAIN HEX 0 375 32 X0 438 HEX BRS 73743 ORDER BY DESCR 13 210 0012 00 13 WASHER LOCK 0 384 ID INTL 0 022 THK STL 09772 ORDER BY DESCR END ATTACHING PARTS 14 1 CIRCUIT BO ASSY FRONT PANEL SEE A6Al REPL 15 384 1684 00 B010100 2 SHAFT VARIABLE 2 16 L POLYCARBONATE TK1163 ORDER BY DESCR 384 1684 01 B010165 2 SHAFT VARIABLE 2 16 L POLYCARBONA...

Page 388: ...SCR END ATTACHING PARTS 23 378 0275 00 DEFLECTOR AIR ALLMINUM 80009 378 0275 00 ATTACHING PARTS 24 211 0711 00 SCR ASSEM WSHR 6 32 X0 25 PNH STL TORX 01536 ORDER BY DESCR END ATTACHING PARTS 25 119 2102 00 FAN TIBEAXIAL 12V l 5W 3200RPM 24CFM TK1328 119 2102 00 26 386 4713 02 PLATE REAR PGJER SUPPLY 80009 386 4713 02 ATTACHING PARTS 27 211 0711 00 5 SCR ASSEM WSHR 6 32 X0 25 PNH STL TORX 01536 ORD...

Page 389: ...TACHING PARTS 69 210 0583 00 2 NUT PLAIN HEX 0 25 32 X0 312 BRS CD PL 73743 2X 20319 402 END ATTACHING PARTS 70 337 2931 02 SHIELD CRT 80009 337 2931 02 71 211 0337 00 SCREW MACHINE 4 40 X0 25 PNH SST 01536 ORDER BY DESCR 72 210 0457 00 NUT PL ASSEM WA 6 32 X0 312 STL CD PL 78189 511 C61800 00 73 337 3301 00 SHLD ANODE LEAD 80009 337 3301 00 ATTACHING PARTS 74 211 0337 00 2 SCREW MACHINE 4 40 X0 2...

Page 390: ...22 25 30 ...

Page 391: ...2467 ILLUSTRATION 2465A 2467 SERVICE ...

Page 392: ...2 334 4759 00 MA RKER IDENT MKD SHIELDS INVERTER 80009 334 4759 00 23 407 3436 00 BRKT CMPNT MTG CAP TOP ALUMINUM 80009 407 3436 00 24 407 3437 00 BRKT CMPNT MTG CAP BOTTOM PLASTIC 80009 407 3437 00 25 407 2854 00 BRACKET ANGLE TRANSISTOR ALUMINUM 80009 407 2854 00 ATTACHING PARTS 26 210 0586 00 5 NUT PL ASSEM WA 4 40 X 0 25 STL CO PL 78189 211 041800 00 27 129 0304 00 1 SPACER POST 1 265 L 4 40 E...

Page 393: ...20 Q1240 Q1280 Ql300 U1260 U1330 REPL 65 342 0536 00 6 INSULATOR XSTR T0 220 POLYENELENE 80009 342 0536 00 66 342 0354 00 6 INSULATOR PLATE TRANSISTOR 55285 7403 09FR 52 67 361 1207 00 6 SPACER PLATE 0 550 X0 812 AL XSTR 80009 361 1207 00 ATTACHING PARTS 68 210 0406 00 5 NUT PLAIN HEX 4 40 X0 188 BRS CO PL 73743 12161 50 69 210 1307 00 6 WASHER LOCK 0 115 ID SPLIT 0 025 THK 86928 A384 25N 70 210 1...

Page 394: ... 1685 00 104 407 2904 01 1 BRACKET EXT SFT POLYCARBONATE 80009 407 2904 01 105 211 0718 00 1 SCREW MACHINE 6 32 X0 312 FLH 100 DEG STL 83486 ORDER BY DESCR 106 214 3328 00 1 SPRING HLCPS 0 37 00 X0 7 L CLE SST 91260 ORDER BY DESCR 107 384 1631 00 1 EXTENSION SHAFT 12 897 LX0 375 OD PLSTC 80009 384 1631 00 108 407 2800 00 1 BRACKET PIVOT EXTENTION SHAFT PLASTIC 80009 407 2800 00 ATTACHING PARTS 100...

Page 395: ...9 200 3199 00 200 3199 01 B010353 1 COVER FRONT ABS 80009 200 3199 01 11 386 4849 00 1 PLATE MOUNTING ACCESSORY POUCH ALLtlINtJ 1 80009 386 4849 00 12 016 0692 00 1 POUCH ACCESSORY 80009 016 0692 00 13 161 0104 00 1 CABLE ASSY PWR 3 WIRE 98 0 L W RTANG CONN 16428 CH8352 FH 8352 14 343 0007 00 1 CLAMP LOOP 0 625 ID PLASTIC 06915 ElO CLEAR ROUND 15 210 0863 00 1 WSHR LOOP CLAMP 0 187 ID U W 0 5 WCLP...

Page 396: ...2467 ACCESSORIES 2465A 2467 SERVICE ...

Page 397: ...to printing and shipping requirements we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Since the change information sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your...

Page 398: ...DIAGNOSTIC PROCEDURE Add the following paragraph to the back up page of DISPLAY DIAGNOSTIC PROCEDURE 0 SWEEP TROUBLESHOOTING The following state table and timing diagram show the sequence of events from initiation through the execution of the A sweep They can be used to troubleshoot a non operable sweep If no sweep is present use an oscilloscope to observe control signals TGA TGB SGA SGS THO DG an...

Page 399: ...ERIAL NUMBER 2465A B016276 2467 B011246 The following pages are an updated ADJUSTMENT PROCEDURE section This procedure replaces the adjustment procedure included in the Service Manual for 2465A 2467 instruments that have serial numbers at or above those listed in this insert REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE A5U2160 160 3302 08 MICROCKT DGTL 65536 X 8 EPROM PRGM A5U2260 160 3303 08 ...

Page 400: ...eps within a subsection both in the sequence presented and in their entirety to ensure that control settings will be correct for the following steps The adjustments in CAL 01 02 03 and 04 should be performed in numerical sequence i e CAL 01 should be done before CAL 02 CAL 02 should be done before CAL 03 etc Performing partial procedures when setting the automatic calibration constants i e only on...

Page 401: ...re attempting calibration Initial Control Settings Control settings not listed will not affect the procedure VERTICAL VOLTS DIV CH 2 100 mV CH 3 and CH 4 100 mV CH 1 and CH 2 VAR In detent VERTICAL MODE CH 1 On CH 2 CH 3 CH 4 Off ADD INVERT and BW LIMIT Off ALT CHOP ALT VERTICAL POSITION CH 1 Midrange Input Coupling CH 1 and CH 2 1 Mn DC 5 2 Horizontal SEC DIV SEC DIV VAR POSITION TRIGGER MODE SOU...

Page 402: ...ECK Ripple at two times the line frequency and the total peak to peak ripple do not exceed the values given in Table 5 1 i Repeat part h for each test point in Table 5 1 j Disconnect the test oscilloscope 2 Adjust DAC Ref R2010 a Set A SEC DIV Lit 100 µS On Lit readout NOTE The objective of this step is to make the total range of the DAG output voltage sum of the CCW and CW readings equal to 2 5 V...

Page 403: ...he menu position by one As each routine is selected its name appears in the lower left corner of the readout display c Scroll to CAL 08 5 4 NOTE In this procedure pressing the upper TRIGGER COUPLING button increments the routine to the next step Pressing the lower TRIGGER COUPLING button will return to the previous step d Press and release the upper TRIGGER COUPLING button to initiate the routine ...

Page 404: ... of the following adjustments g Center FOCUS control front panel Adjustment Procedure 2465A 2467 Service h ADjUST ASTiG controi front panei in conjunction with the Focus Pre Adjust R4430 for the sharpest possi ble display near the center graticule i Position the At cursors on or within 0 2 division of the first and eleventh vertical graticule lines using the AREF OR DLY POS and A controls NOTE ADJ...

Page 405: ...ilar manner if the trace at step 5 part b is too dim repeat step 1 Adjust Z Axis Drive using the next higher voltage setting for parts f and g and increasing the bench scope trigger level accordingly After repeating step 1 continue on through the CAL 08 steps until step 5 is reached again c Press and release the upper TRIGGER COUPLING button to advance to the next step 5 6 6 Check WRITING RATE THR...

Page 406: ...or decrements the menu position by one As each routine is selected its name appears in the lower Jeff corner of the readout display C Scroll to CAL 08 NOTE In this procedure pressing the upper TRIGGER COUPLING button increments the routine to the next step Pressing the lower TRIGGER COUPLING button will return to the previous step d Press and release the upper TRIGGER COUPLING button to initiate t...

Page 407: ... aligned display 5 8 NOTE Y Axis and TRACE ROTATION will remain adjusted and are not interactive of the following adjustments g ADJUST ASTIG control front panel in conjunction with the FOCUS control front panel for the sharpest pos sible display near the center graticule area h Position the t cursors on or within 0 2 division of the first and eleventh vertical graticule lines using the REF OR DLY ...

Page 408: ...YNAMIC CENTERING R3401j a Center the display on the graticule b ADJUST Horizontal Dynamic Centering R3401 for minimum horizontal display shift as the INTENSITY control front panel is repeatedly changed from minimum to max imum trace intensity NOTE Disregard any verticai shift of the waveform during the adjustment c Disconnect the Sine Wave Generator from the CH 1 input d Press and release the uppe...

Page 409: ...F 5 10 100mV In detent 1 Mn DC On Off Off ALT Midrange 100 µs knob in In detent Midrange AUTO LVL VERT DC plus Midrange In detent INTENSITY Left of center READOUT INTENSITY As required for a visible display SCALE ILLUM Fully CCW FOCUS Best focused display 1 Adjust CH 1 and CH 2 Input Capacitance C105 and C205 NOTE The objective of this adjustment is to match the input capacitance of the 50 mV per ...

Page 410: ...ved in the waveform front corner when the CH 2 VOLTS DIV switch is alternated between the 50 mV and 0 1 V posi tions When switching between positions reestablish the reference signal amplitude at each position and observe the square wave front corner to make the comparison k Disconnect the test setup Adjustment Procedure 2465A 2467 Service 2 Adjust Vertical Readout Jitter R618 NOTE If the previous...

Page 411: ...Item 10 Dual Input Coupler Item 11 5X Attenuator Item 17 Digital Multimeter DMM Item 19 Alignment Tool Item 20 Tunnel Diode Pulser Item 23 See ADJUSTMENT LOCATIONS 4 at the back of this manual for test point and adjustment locations Initial Control Settings b CHECK Top line of the readout display says CAUNO CAL jumper CAL position between pins 1 and 2 prior to turning on power NOTE When performing...

Page 412: ...tor by showing the control to be moved upper left corner the autocal step number upper right corner the A Sweep speed bottom right center and the B Sweep speed bottom right corner as set up by the routine An example from step g above is ADJ A 100 µS 1 µS m Connect the Time Mark Generator set for 0 1 ms time markers to the CH 1 OR X input connector via a 50 n BNC cable n Set VOLTS DIV TRACE SEP CH ...

Page 413: ...0 HRZ CTR step 5 and 10 µs for A Sweep and two vertical cursors appear on the display aa ADJUST X1 Gain R860 and Hrz Ctr R801 to align the two cursors with the 2nd and 10th vertical grati cule lines then adjust X10 Gain R850 for 1 time marker per division 5 14 bb Press and release the upper TRIGGER COUPLING switch Set the Time Mark Generator for 10 ms time markers cc CHECK Readout indicates ADJ st...

Page 414: ...elease the upper TRIGGER COUPLING switch If the control is adjusted at step 18 20 23 or 25 the previous step will be repeated At step 28 adjust Trans Resp R802 on the Main Board as indicated NOTE Change the CH 1 VOLTS DIV switch setting as necessary to maintain adequate signal display amplitude Step 28 requires the 2 ns time marks to be input through a dual input coupler to CH 1 and CH 2 Center th...

Page 415: ... V standard amplitude signal from the Calibration Generator to the CH 1 OR X input connector via a 50 n BNC cable f Use the CH 2 POSITION control to vertically position the trace to within 1 division of the center graticule line 5 16 g ADJUST CH 1 POSITION and VOLTS DIV VAR controls to obtain a 10 division horizontal signal Press and release the upper TRIGGER COUPLING switch NOTE When step 111 is ...

Page 416: ...r and set the Calibration Generator for a 50 mv standard amplitude signal then press and release the upper TRIGGER COUPLING switch Wait approximately 1Oseconds for automatic calibration of the V cursors t CHECK Readout indicates VERT CENTER and GAIN u ADJUST Gain R638 for precisely 5 divisions betw een the two horizontal cursors v ADJUST Vertical Centering R639 to center the cursors on the graticu...

Page 417: ... switch q CHECK Readout indicates CH 4 2V and step 221 r Change the generator output ievei to 2 V then press and release the upper TRIGGER COUPLING switch s Disconnect the test setup 5 18 CAL 04 CH 2 DELAY ENABLE DISABLE 4 Check Adjust CH 2 Delay Enable Disable a Scroll to CAL 04 b Press and release the upper TRIGGER COUPLING switch to initiate the routine c CHECK Readout alternately indicates ENA...

Page 418: ...eadout indicates HRS ON XXX PWR ON OFF XXX Hand REF HRS PWR PUSH MAG 10 1 d Press and release the lower TRIGGER SOURCE and then press and release the lower TRIGGER MODE to reset HRS ON and PWR ON OFF to zero NOTE HRS ON and PWR ON OFF can be set to any value from 0 99999 with the L1 REF and Ll controls e Press and release the lower TRIGGER COUPLING switch to exit routine CAL 06 VERTICAL TRANSIENT ...

Page 419: ... control CCW and ADJUST CRT termination R1501 for flattest waveform 5 20 m Adjust for the flattest waveform Set SEC DIV VAR for best viewing The total system will tune up best if the indicator cursor is in the 7th or 8th divisions n Press and release the lower TRIGGER COUPLING switch to return to Step 1 of CAL 06 o CHECK Readout indicates ADJ step 1 10 mV 100 ns p ADJUST Trans Resp adjustments R60...

Page 420: ...th NOTE Generator amplitude for the 500 mV step will be approximately 2 divisions and the amplitude for the 1 V step will be approximately 1 division ii Remove 2X attenuator Continue through step 11 as above jj Press and release the upper TRIGGER COUPLING switch Steps 12 and 13 are automatically calibrated Con nect test signal to CH 2 via 2X 2 5X and 5X attenuators and adjust for 5 division signal...

Page 421: ...etent 1 MQ DC Midrange Off 100 ns knob in In detent Trigger HOLDOFF LEVEL A 8 TRIG SLOPE MODE SOURCE COUPLING MIN Fully CCW Midrange A AUTO LVL VERT DC b Connect a fast rise positive going square wave out put via a precision 50 n cable a 50 n 10X attenuator and a 50 n termination to the CH 1 input connector c Set the generator to produce a 100 kHz 5 division display d ADJUST Coil L644 for as flat ...

Page 422: ...ERTICAL POSITION CH 1 Horizontal A SEC DIV SEC D V VAR POSITION 10 mV CCW out of detent In detent 50 Q DC On Off Off ALT Midrange 1 ms n detent Midrange TRIGGER MODE SOURCE COUPLING SLOPE LEVEL HOLDOFF Delta AV TRACKING INDEP A REF OR DLY POS and t INTENSITY READOUT INTENSITY SCALE ILLUM FOCUS AUTO LVL VERT DC plus Midrange Minimum On RATIO readout INDEP Cursors near the 3rd ine above and 3rd line...

Page 423: ...h graticule lines n X10 MAG on o ADJUST Horizontal Readout Jitter R805 for minimum horizontal jitter of the readout characters and cursors p Set X10 MAG off 5 24 2 Set CH 1 and CH 2 DC Balance NOTE The instrument must have had a 20 minute warmup prior to performing the next step to ensure accuracy a Set Input Coupling CH 1 and CH 2 1 MQAC b Press and hold momentarily and release the CH and CH 2 up...

Page 424: ...o 2 MHz and adjust the amplitude for a 6 division vertical signal display Adjustment Procedure 2465A 2467 Service g CHECK Horizontal opening in the ellipse is 0 3 divi sion o less measured at the center line i Disconnect the test setup hn i 7nn I r i 1 110 1 IVI 1 Vl 11 UI U 1 IVUIV 5 25 ...

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