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Tektronix 7D20, Instruction Manual

The Tektronix 7D20 Operator's Manual is essential for understanding and operating this powerful product. This comprehensive manual is available for free download on our website, providing users with easy access to all the information necessary to maximize the potential of their Tektronix 7D20 device.

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Page 1: ...TING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL 7D20 PROGRAMMABLE DIGITIZER WITH OPTIONS SERVICE INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number 070 3858 01 First Printing JUL 1982 Product Group 42 Revised ...

Page 2: ...price change privileges are reserved INSTRUMENT SERIAL NUMBERS Each instrument has a serial number on a pa iel 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 manufac...

Page 3: ...NY NAME USER ADDRESS CITY STATE ZIP PHONE EXTENSION FORM SUBMITTED BY DATE O SYSTEM DESCRIPTION Hardware software firmware and host related to the problem MAINFRAME MAINFRAME SERIAL DESCRIPTION OF PROBLEM LIST ENCLOSURES ACTION TAKEN RESPONDER DATE OF RESPONSE SFPR LOG INTERNAL USE ONLY DO NOT WRITE BELOW THIS LINE REASON FOR REPORT Software Firmware Error O Documentation Error O Suggested Enhance...

Page 4: ...error V SECTION O Give a complete description of the system configuration on which the problem occurred Please include related peripherals interfaces options and operating system VI SECTION 0 Describe the problem completely Include any information which might help in evaluating the error with the SFPR If you have determined a procedure to avoid the error condition please include this procedure If ...

Page 5: ... 40 LED BOARD 2 16 ACQUIRE ADDRESS GENERATOR 2 41 LEDS 2 16 DISPLAY ACQUIRE ADDRESS MULTIPLEXER 2 41 GPIB INTERFACE 2 17 BLOCK REGISTER 2 42 INTERCONNECT 2 17 DISPLAY OUTPUT LATCH 2 42 CH 1 AND CH 2 ATTENUATOR 2 17 WAVEFORM DATA LATCH 2 42 SIGNAL INPUT AND DECADE ATTENUATOR 2 17 MICROPROCESSOR ADDRESS MULTIPLEXER 2 42 IMPEDANCE CONVERTER AMPLIFIER 2 18 DATA MULTIPLEXER 2 43 STEPATTENUATOR 2 19 MPU...

Page 6: ... LOGIC 2 62 CIRCUIT BOARDS 3 1 1 ACQUIRE WAVEFORM CLOCK ENABLE 2 62 Tools Required 3 11 FAST RAMP TIME INTERPOLATION 2 65 Board Guides 3 13 TRIGGER GATE INPUT 2 65 Back Panel 3 13 FAST RAMP SELF TEST 2 65 Front Panel 3 13 FAST RAMP GENERATOR 2 65 Front Panel Disassembly 3 14 FAST RAMP COUNTER 2 66 Separating The Front Panel Boards 3 15 DETAILED DESCRIPTION OF TIME BASE MODES 2 68 Switch Replacemen...

Page 7: ...TROL 15 PART I FUNCTIONAL CHECK PROCEDURE 4 7 FAST RAMP TIME INTERPOLATOR 16 7D20 FUNCTIONAL CHECK 4_7 FUNCTIONAL INTERCONNECT DIAGRAM 17 1 SELF TEST 4 7 SIGNATURE ANALYSIS TABLES 2 EXTENDED SELF TEST 4 7 3 CHECK 7D20 INPUT CONNECTORS 4 7 SECTION 8 REPLACEABLE MECHANICAL PARTS 4 CHECK GPIB OUTPUT DRIVERS 4 8 PART II PERFORMANCE CHECK PROCEDURE 4 9 CHANGE INFORMATION INDEX TO PART II PERFORMANCE CH...

Page 8: ...g Timing A Vector Mode 3 22 Waveform for Z Axis test 3 34 IBI Dots Mode 2 31 3 23 Waveforms for INS SO and EOA tests 3 36 2 14 Detailed block diagram of Memory circuitry 2 35 3 24 Waveform for Trigger Level DAC test 3 37 2 15 Memory timing signals 2 36 3 25 Waveforms for Trigger Generator test 3 37 2 16 Waveform memory RAM access timing 2 37 3 26 Waveform for Ch 1 Ch 2 Position test 3 39 2 17 GENS...

Page 9: ...ority 2 43 2 1 1 Timing of Time Base Modes 2 56 2 12 Sample Counter Presets 2 63 3 1 Part Number Reference For Support Items 3 2 3 2 Relative Susceptibility to Damage from Static Discharge 3 7 3 3 Lighted MEMORY DISPLAY Buttons vs Test Indicated 3 21 3 4 Self Tests 3 22 3 5 Stimulus and Checks for Horizontal Tests 3 31 3 6 Stimulus and Checks for Vertical Tests 3 32 3 7 Stimulus and Outputs for Z ...

Page 10: ...mation is to be found AS MARKING ON EQUIPMENT DANGER High voltage Protective ground earth terminal Q ATTENTION refer to manual POWER SOURCE This product is intended to operate in a mainframe connected to a power source that will not apply more than 250 volts rms between the supply conductors or between either supply conductor and ground A protective ground connection by way of the grounding conduc...

Page 11: ...T REMOVE COVERS OR PANELS To avoid personal injury do not remove the product covers or panels Do not operate the product without the covers and panels properly installed DO NOT OPERATE WITHOUT COVERS To avoid personal injury do not operate this product without covers or panels installed Do not apply power to the plug in via a plug in extender ...

Page 12: ...ct power before removing protective panels soldering or replacing components 7D20 Service Do not perform internal service or adjustment of this product unless another person capable of rendering first aid and resuscitation is present Dangerous voltages exist at several points in this product To avoid personal injury do not touch exposed connections and components while power is on ...

Page 13: ...al display of cursor waveform information and measurement values time base and amplitude settings trigger position displayed waveform number prompts and error messages and a master menu that allows you to choose seldom used features easily and quickly The master menu offers a convenient way to enable special functions such as the STORE and RECALL of front panel settings as well as allowing you to ...

Page 14: ...ccessories and gives instructions for packaging the instrument for shipment SECTION 1 GENERAL INFORMATION contains an instrument description along with information for SECTION 2 OPERATING INSTRUCTIONS provides a installing the 7D20 into a host mainframe We make a general overview of the instruments capabilities special note regarding rackmounting and another controls and connector information a se...

Page 15: ...ons at the rear of the mainframe The option includes a special cable which must be installed in the 7020 for this purpose This cable is also available separately and can be ordered as an optional accessory INSTALLATION The 7020 is compatible with all Tektronix 7000 series mainframes except the 7104 Because of the small area The 7020 is a three compartment wide Tektronix 7000 and fixed pattern of t...

Page 16: ...are valid at an ambient temperature of 0 to 45 C unless otherwise stated 4 the instrument must be in an environment that meets the limits described in Table 1 2 Any applicable conditions not listed above are expressly stated as part of that characteristic Environmental characteristics are listed in Table 1 2 and Physical characteristics are listed in Table 1 3 Characteristic I Performance Requirem...

Page 17: ...dB Full Scale RMS Noise 52 dB Full Scale RMS Noise 2 Degrees at 10 MHz TRIGGER Triggering Minimum Vertical Signal Required Frequency Range Internal Ext Ext 10 30 Hz 30 MHz 0 4 Div 60 mV 30 MHz 70 MHz I 1 0 Div I 150 mV 50 kHz 30 MHz 0 4 Div 60 mV 30 MHz 70 MHz I 1 0 Div I 150 mV 30 Hz 30 kHz I 0 4 Div I 60 mV DC 30 kHz I 0 4 Div I 60 mV DC 30 MHz 0 4 Div 60 mV 30 MHz 70 MHz I 1 0 Div I 150 mV Nomi...

Page 18: ... div Extended Real Time 200 ps div to 2 ps div Real Time 50 ms div to 500 ps div Roll I 20 s div to 100 ms div and EXTernal CLOCK External Clock Input Frequency MAX 510 kHz TTL 5 Vpk Functions Implemented As Per IEEE 488 1978 Performance Requirement Approximately 20 pF 250 V 1 kHz or less GPIB INTERFACE EXT 20s 500ps 1024 0 01 Div 200ps 2ps 820 0 0125 Div fps 50 ns 1024 0 01 Div Description Comple...

Page 19: ... Kg Dimensions See Figure 1 2 Tested to MIL T 288000 SECT 4 5 5 3 1 Type 2 Class 5 Style E F Tested to MIL T 288000 SECT 4 5 5 4 1 Type 2 Class 5 Style E F Tested to MIL T 288000 SECT 4 5 5 4 3 Type 2 Class 5 Style E F National Safe Transit Association Preshipment Test Procedure NSTA PROJECT 1 A B 1 STANDARD ACCESSORIES 1 ea Operators Manual 1 ea Service Manual For more detailed information refer ...

Page 20: ...127 206 5 00 8 11 371 14 60 NOTE TOP FIGURES ARE IN MILLIMETERS AND THE BOTTOM FIGURES ARE IN INCHES li il O Q General Information 7D20 W IY IYI 1 1 Figure 1 2 Dimensional Drawing 3858 04 ...

Page 21: ... The Charge Coupled Device CCD circuitry takes analog the Time Base circuitry for the acquired data It can samples of the input signal which are then converted Produce a trigger gate from four different trigger signal into digital values See the following discussion of the sources Ch 1 input signal Ch 2 input signal line trigger operation of the CCDs The CCD circuitry receives its and external tri...

Page 22: ...of Operation 7D20 EXT LLOLK C FROM EXT TRIC CP FRONT PANEL OPIB E 3858 233A 2 2 PREAMPLIFIER O sO I CHARGE COUPLED DEVICE OB O Figure 2 1 7D20 Overall block diagram EXT LLOLK IEEE STANDARD 488 PORT CPIB1 Z i7 ...

Page 23: ...ARD 488 PORTIGPIBI 0 ro A DISPLAY CONTROL MEMORY II I I DISPLAY eO Os SWITCHES AND INDICATORS Figure 2 1 cont 7D20 Overall block diagram Theory of Operation 7D20 HORIZONTAL DISPLAY AMPLIFIER AND BLANKING OUTPUT AMPLIFIER MICROPROCESSOR VERTICAL OUTPUT AMPLIFIER AUX Z AXIS NORIZ SIGNAL TO MAINFRAME VERT SIGNAL 3858 233BA 2 3 ...

Page 24: ...its in the 7D20 for use in self test and Probe differential preamplifier output signal Coding detection In the extended real time digitizing ERD mode the clock The Power Supply converts the 15 V and 15 V signal to channel B is shifted one half clock cycle with mainframe power supplies to 5 V and 5 V power respect to the clock signal to channel A The two CCD supplies to power the 7D20 logic and ana...

Page 25: ...orm has been stored in the at a rate of 1 kHz WFM the time base is reset and another waveform is acquired This waveform however is stored in a second 1 K block of WFM While the second waveform is being 0 1 s 1 Division 1 s or 1 kHz acquired the first waveform is displayed on the crt This 1 Division 100 Samples 1000 Samples process is repeated continuously switching back and Thus every 400 sample t...

Page 26: ...A ROLL MODE Selected samples are fed continuously to one block of the WFM until a trigger occurs and the post trigger The two CCD channels take samples interval elapses of the signal simultaneously A TO D CONVERTER WFM 1 K BLOCK 1 WFM B REAL TIME DIGITIZING RD MODE BLOCK 1 BLOCK 2 BLOCK 1 Selected samples from the two CCD channels are fed directly to a 1 K block of the WFM When one waveform has be...

Page 27: ... in CCD are then fed into a 1 K acquire data block of the WFM at the Slow Out Rate pP moves samples from acquire block Sampling continues until a pre set to a display block to build the Display scans number of samples following the composite waveform the display trigger has occurred block CHANNEL A ACO BLOCK CCD I ICONVERD TER pP DISPLAY CHANNEL B WFM ACaU1RE BLOCK ACQUIRE BLOCK Fast In Slow Out T...

Page 28: ...ility of the 7D20 Since the portion of 50 ns 10 or 11 the waveform that can be captured in this mode is dependent on the combined length of the two channels of the CCD 910 samples the time resolution in this In order to determine where to store the samples in the mode is reduced from 100 samples per division to 80 WFM with respect to samples taken during other samples per division acquisition cycl...

Page 29: ...us Analog Bus Display Enable Enables the analog bus multiplexer on the Display board ACQ Acquire Causes the display acquire address multiplexer to select acquire addresses when the line is high and display addresses when the line is low ADO AD7 A to D Data Digitized sample data from the CCD circuitry A to D converter ADD I Add Causes the CH 1 and CH 2 signals to be added together at the input to t...

Page 30: ...l Name Dictionary SIGNAL NAME DESCRIPTION I LOCATED ON DIAGRAM Data Bus Microprocessor data bus distributed generally throughout the 7D20 Display Address Generated by the display address generator indicates where in the WFM that waveform data to be displayed is located Display Address Single Step Enable Enables the single step function of the display address generator on the Memory board Display I...

Page 31: ...plexer on the Time Base board This signal is the same as PCKMC it is only used in the EXT CK timebase mode PCKMC is relevant only in the ERD ETD timebase modes EXTEN External Enable Causes data and addresses from the microprocessor to be output to the various circuits of the 7D20 EXT TRIG I External Trigger External trigger signal applied to the trigger board via the front panel EXT TRIG connector...

Page 32: ... the phase clock signal to be supplied by the phase clock multiplexer on the Time Base board Key Select Causes the setting of the front panel pushbutton switches to be sent to the MPU board Knob Select Causes the settings of the front panel knobs to be sent to the MPU board Latch Selects the time with respect to the Memory circuitry time slots when the LATCK is enabled Latch Clock Causes data to b...

Page 33: ...icates that the 7D20 is powered up PRWS Microprocessor Read Write Select Enables pp access to WFM during the acquire timeslots when row and display timeslots when high PWRDN Power Down Indicates to the MPU board that the 7D20 is powering down O O Microprocessor address data timing signal RA Row Address Indicates the presence of a row address RAS Row Address Select Causes the WFM devices on the Mem...

Page 34: ...ta from various circuits in the 7D20 that is transmitted to the microprocessor Serial Data Strobe Writes serial data into serial data latches in various circuits in the 7D20 Select Enable Enables hardware ports on MPU board to be addressed Start Display Cycle Enables the display length counter on the Display board Initiates the storage of the data in the RAM portion of the MPU board EAROM into the...

Page 35: ...e microprocessor Waveform Memory Select Enables the Memory to receive data from or transmit data to the microprocessor derived from WMEMSEL X Data Clock A clock derived from 400kHz 2 used to clock the X data MPX Latch and control logic X Axis Display Bus Digitized X axis data that is applied to the X axis DAC on the Display board X Y Bus The two least significant bits of the X axis location in the...

Page 36: ...ontrols the four output lines of U420 O SWITCH BOARD The front panel Switch circuitry is located on the Switch board A1 It transmits the front panel pushbutton and knob switch settings to the microprocessor PUSHBUTTON SWITCHES LEDs The front panel pushbutton switches are wired into a 7 Seven 8 bit shift registers U140 U500 U100 U110 by 8 matrix The microprocessor scans the front panel U120 U130 an...

Page 37: ...iagram 17 for a short time to cause them to change states They shows the functional relationship of these signals to the then remain in that state until activated again at which major circuits in the 7D20 Diagram 3 is thus useful for time they switch to their alternate state tracing signals through the various boards and connectors in the plug in Diagram 17 is useful for NOTE determining the routi...

Page 38: ...y that selects do or ac coupling and another latching relay The impedance converter amplifier circuit current that grounds the input to the preamplifier through a 50 C2 amplifies the input signal and provides unity voltage gain resistor For self test purposes a test signal can be DMOS FET 01012 operating in a source follower mode applied to the preamplifier circuit through 01230 and amplifies the ...

Page 39: ...tional amplifier adjustment R801 allow the 5 mV division gain network U910 used as a comparator controls the FETs using to track the _10 mV division network Ch 1 Position data that the MPU supplies through step attenuator Offset adjustment R720 and Ch 1 Gain Adjustment R344 control lines LZ1 through LZ4 Table 2 5 shows the located in the output amplifier Diagram 6 provide signal attenuation obtain...

Page 40: ...nverted signal operation The INV line selects inverted applied to the preamplifier circuits through G1230 in the operation for the Channel 2 preamplifier circuit When signal input and decade attenuator circuits see Diagram INV is low the calibrated level is transmitted through pin 4 LZ1 through LZ4 control the step attenuator circuits 12 of U340D to pin 3 of 0331 U331 in this case operates see Dia...

Page 41: ... circuit is a determines the voltage level of the output and thus differential amplifier with a current gain stage Q230 and indicates the attenuation of the probe Q250 plus two voltage shift stages Q340 Q341 and Q440 Q441 Q330 and Q350 form an error correction circuit that compensates for gain changes in the amplifier due to compression and signal induced thermal In the uncalibrated mode U350B swi...

Page 42: ...t of U870 In the ERD mode Gates U870A and U870B control the output signal at pin however the input sampling signal at the collectors of 2 The ERD line sets the levels on the pin 3 and pin 7 0550 and 0552 is shifted one half clock cycle with inputs to these gates When the ERD line is low pin 7 is respect to the signal at the collectors of 0551 and 0553 held low and pin 3 is held high The output of ...

Page 43: ...se at pin 12 with a width of CHARGE COUPLED DEVICES CCD approximately 10 ns 0570 and 0571 amplify and invert the pin 12 output of U670A creating a positive going Each of the two CCDs U440 and U460 has two output sampling pulse with a peak to peak amplitude of channels Channel A samples the side of its approximately 12 V associated preamplifier output signal and channel B samples the side of the si...

Page 44: ...CLOCK _ _ __ __ PIN 10 35nS _ OUTPUT SAMPLING CLOCK SET WIDTH OF OUTPUT SAMPLING CLOCK AND DELAY OF TRANSPORT CLOCK pIN 1 U670A PIN 2 U670C PIN 11 TRANSPORT CLOCK pIN 8 PCKE BUFFERED U651 D PIN 14 PIN 13 J C683 AND R683 U670A HIGH _ _ _ _ __ PIN11 1U670C TRANSPORT CLOCK PIN 8 3858 203 Figure 2 9 Generation of Output Sampling Clock and Transport Clock A Fast In Phase B Slow Out Phase ...

Page 45: ...r the CH 1 CH 2 line is high 0831 is turned off and 0833 is turned on which in turn causes 0811 and 0823 to conduct 0823 thus provides a signal path CCD OUTPUT to 0930 for the Channel 1 CCD output signal The CCD output circuitry is located on the CCD board A5 It includes two CCD output amplifiers analog to digital converter and a CCD test signal multiplexer CCD AMPLIFIERS AND MULTIPLEXER Self Test...

Page 46: ...the gain Time Base which is used to synchronize the Display and position of the mainframe vertical display amplifier circuitry with the Memory READ X and READ Y time In addition the vertical DAC circuitry vertically offsets slots The display clock also produces a horizontal sweep and expands or compresses the signal rate clock which is used to digitally generate a horizontal ramp Note that since t...

Page 47: ...NN V 3858 224 a T m 0 0 O v m m 0 I V v N O ...

Page 48: ...o pin 11 of U410 and the signal at pins 11 of U320 U520 and U620 When the microprocessor pulses START DISPLAY CYCLE to compensate for the delay line in the mainframe low to begin the display cycle DISPINTR and AUXBLANK vertical amplifier U400A produces a fixed delay of are pulled high which enables the DAG and unblanks approximately 50 ns between the receipt of a low on the the crt beam The high o...

Page 49: ...low through 01400 to end the display cycle early A dot transmitted through Y latch 0410 to the vertical DAC is thus repeatedly refreshed on the crt screen to create The display length counter then generates the X axis the intensified cursor on the waveform display In the data which in this case is used to create the horizontal delta time mode where two cursors are displayed a ramp signal The X axi...

Page 50: ...s data read during a READ Y time slot U420 DISPLAY LENGTH COUNTER thus provides temporary storage of X axis data so that Self Test 29 the Y axis and X axis data can be applied to the vertical and horizontal DACs at approximately the same time see Counters U120A U120B U220A and U220B count Fig 2_12 YCK latches the Y axis data onto the Y data display clock cycles and apply the count to the display b...

Page 51: ...elf Test 38 vector filter circuit causes a vector to be drawn on the crt The blanking logic circuit has a number of modes of screen between the two data points operation U500B controls the AUXBLANK line at the start and end of each display cycle as described in the discussion of the display control logic Gates U510 and U300B create the blanking fields during a readout display cycle When the displa...

Page 52: ...0 adjusts the gain of U700 to match the gain of U610 The DAC output current is applied to current to voltage converter U820 R822 sets the current to voltage The front panel VERT GAIN adjustment R440 adjusts conversion ratio R821 introduces an offset current at the the Vref level to U610 the Vref level to U700 and the pin 2 input to U820 such that when the DAC output reference voltage to the compre...

Page 53: ...ween the input Comparator circuit that drives the base of 0330 through to the vector filter and the output of each signal 0220 and 0230 U310A senses the level of the 5 V supply through divider R412 and R411 It uses this DISPLAY OUTPUT AMPLIFIERS voltage to set the duty cycle of the oscillator made up of Self Tests 32 and 37 R416 and C416 and the inverting side of U310A When the power supply load i...

Page 54: ...he 16K WRS the AAG or DAG is to access These row are activated through select data applied to U741 and and column addresses are transmitted both to the WFM U640 from latch U711 and decoders U740A and U740B and to the memory address self test latches Each gate in the buffer amplifier is connected both to a select line and to Q641 Q641 activates a temporary Data read from the WFM are applied both to...

Page 55: ...ENERATOR DISPLAY ADDRESS loAl eus DATA TA M 1 MULTIPLE ER ADDRESS I VMEFF ORM ADDRESS BUS ADDRESS BUS Ii 4 FROM MPU MULTIPLE ER CON FROM RPU ALS l I I I B I6 1K BLOCKS VAVEFORM DATA IVDI BUS DISPLAY DATA LATCH VFM DATA SELF TEST LATCH TIMING MEMORY SIGNALS T 1 M I NO MEMOEY SYNCHRONDIZATION SIGNALS I I I LATCH SYNC SELF TEST BLOCK REGISTER i I MEMORY MEMORY ADDRESS IMAI BUS B ADDRESS DATA SELF TES...

Page 56: ... byte of the WFM is The microprocessor steals an occasional read or write divided into two 7 bit segments called a row address and time slot to gain access to the WFM Firmware control of a column address These addresses are applied to the these accesses however ensures that they do not address lines AO A6 sequentially interfere with the writing of acquired data into the WFM A falling edge on the r...

Page 57: ...or an acquire time slot The RAM access timing from the Time Base board supply the basic timing shown in Figure 2 16 is the same The source of information for the Memory circuitry see Fig 2 15 The addresses and data however are changed See the 3 2MHz and 1 6MHz signals are applied to inverter description of waveform memory select under Memory U1520E inverter U1420D and gate U 320D to create the Syn...

Page 58: ...scrambled addresses and possible unwanted modification of WFM data For example when PRWS is low and WMEMSEL is high GENSELA is a decoded range of the microprocessor pin 6 of U720A is low pin 5 of U820A is high and pin 6 of U820A is low When the processor pulls WMEMSEL memory map which is used in combination with some of low U820A latches the low on the D input on the next the lower address lines t...

Page 59: ...FM U220 control R W for memory access from the Time read write cycle Base the gate at pins 3 4 and 5 control R W for access Decoder Demultiplexer U420 decodes address line A5 from the microprocessor and A6 and W R to select the read memory address Assume that WMS is low which is the case when the RMA read memory data RMD acquire address normal WFM read write cycles are occurring without generator ...

Page 60: ... self test latches U200 and U300 gelf Test 17 Table 2 8 shows the data latched into U200 and U300 Memory write data self test latch U300 operates in the depending on the state of LA LB LC LD and PRWS Not same manner as U200 When LATCK goes high the Clocked indicates that the data latched into U200 or memory write data lines MDO MD7 are latched into U300 prior to LATCK going high is not changed Not...

Page 61: ...e circuitry creates the AWCK signal see diagram 14 AWCK is coincident with the 400kHz 2 signal but is enabled only when data is to be read from the CCD It is also synchronized with the phase clock signals which provide the timing information for the CCD circuitry A high on both AWCK and 400kHz 3 which occurs on the rising edge of 400kHz 3 causes a positive edge to be applied to the clock inputs to...

Page 62: ... AW and MEA lines These microprocessor data bus DO D7 The microprocessor lines do not go to the RAM instead the microprocessor then reads the data just before WMEMSEL goes high monitors them through memory address self test latch U200 MICROPROCESSOR ADDRESS MULTIPLEXER Self Test 14 BLOCK REGISTER The microprocessor address multiplexes U1410 and U 1310 converts the 14 bit addresses from the address...

Page 63: ...nd the waveform memory WFM on the Memory MPU CONTROL board See the description of the memory ready logic for further discussion of the use of this input The Microprocessor circuitry is located on the MPU board MEMORY READY LOGIC A9 It consists of a microprocessor a number of memory devices hardware ports A to D and D to A Gates U810C U815B U815A and U815C and single converters and diagnostics circ...

Page 64: ... discussion of the MPU board hardware ports for an explanation of the function of INEX and for a description of the operation of U825A U815A and U815C ADDRESS VALID DATA VALID Figure 2 19 Microprocessor U910 read write timing DATA BUS BUFFER 3858 220 Buffer U1000 buffers the data bus when the microprocessor is transceiving data to and from circuits off the MPU board The W R line selects which dire...

Page 65: ...DED INEX U825B 12 M RDY E EXTENDED SELEN READ SELEN WRITE 3 rs A MWFM ACTIVE B INEX ACTIVE FOR READ OR WRITE Theory of Operation 7D20 Figure 2 20 Timing of microprocessor memory read logic A MWFM active B INEX active for a read 3858 223 ...

Page 66: ...c RAM circuit for further information on the use of this line MPU BOARD MEMORY Decoders U710 U715 and U610 decode the address Self Tests 1 through 9 lines to select memory locations or hardware ports U710 Monitor ROM selects 8K pages of memory The YO and Y1 outputs The 7D20 monitor firmware is located in four 8K byte select the two pages of waveform memory U810A EPROMs U400 U300 U200 and U500 U710...

Page 67: ...sets CS moved to the ROM section of the device When the plug low for reads and writes to U100 s RAM in is powered back up the data is then transferred back from the ROM section to the RAM section In this When power to the plug in is shut down the PWRDN manner the front panel settings at the time of power off line is pulled low activating the NMI interrupt pin 2 of are retained and the plug in is a...

Page 68: ... POS and CH 2 POS lines Position control voltages from the front panel POSITION controls CH 1 POS FP Addressable latches U210 and U315 latch the hardware and CH 2 POS FP are also applied through U125 to the selects enable lines and data applied to off board CH 1 POS and CH 2 POS lines The CH 1 POS and CH 2 circuits The Y7 output of U610 selects U210 and Y6 POS lines are applied to the Preamp board...

Page 69: ...ved from the microprocessor The trigger generator produces the trigger gate signals TGE and TGE The microprocessor establishes the trigger level and slope through the serial data latches The trigger generator then monitors the selected trigger source and produces a trigger gate when the trigger signal reaches the trigger level on the selected trigger signal slope The peak to peak detector measures...

Page 70: ...inhibiting any further generated automatically acquisition cycles In the ETD mode gates are generated until the waveform record is complete The peak to peak mode is a variation of the auto mode In this mode the peak to peak amplitude of the trigger The trigger is selected from one of five sources Ch 1 Ch signal is measured The magnitude of this measurement 2 line external and fast ramp test When C...

Page 71: ...generator circuit is composed of trigger generator U900 and its associated filter and biasing network As shown in Figure 2 25 U900 uses a split path amplifier circuit One side of the amplifier is configured to accept only high frequency signals and the other side is configured to accept only low frequency signals The input signal Vin is applied directly to the high frequency input of 0900 through ...

Page 72: ...PE ARMING LEVEL 2 52 U810B u51oA 4 9 09K LFREJ HF REJ 0 1Q 5V 1 1K CH1 1800 1 2V 2K 47K 13 HYST R444 RESET 17 RESET HYST HF SIDE LF SIDE 10K SLOPE 8 SLOPE SELECT SLOPE TRIGGERING Figure 2 25 Simplified schematic of trigger generation U900 LF IN TRIG LEVEL GATE 14 GATE 15 Vcc 2K 1800 3858 231 ...

Page 73: ...nal to the digital input Most of the output Transistors 01040 01030 0940 and 0931 and current of U210 flows through R311 U530D amplifies operational amplifiers U940 and U830A form a split path the resulting voltage across R311 The output voltage at impedance converter amplifier 01040 and 01030 pin 14 of U530D determines the trigger threshold level of amplify the ac component of the external trigge...

Page 74: ...rmation from the CH 1 signal through R700 to pin Y U710 and then microprocessor U610A 6108 and U610C couple the through U610B U610C and R904 to pin 19 of U900 Vin R1042 C1041 1 Q1030 R942 R1041 R940 C941 15V R932 CR831 R931 selected signal to U900 The transistor shown as the high frequency input to U900 in Figure 2 25 is actually five transistors with emitters and collectors in parallel The inputs...

Page 75: ...lows the trigger circuit to be reset externally when in emitter junction of the transistor that drives pin 11 of the single sweep HOLD NEXT mode When the single U900 and capacitor C921 rectify the signal at pin 11 s n eep reset SSRST line from the mainframe is pulled Voltage peaks are retained for only a short period due to low the 0 output of U100A is reset high The SSRST line a short time consta...

Page 76: ...gitizing ERD generator and the time base mode according to the and equivalent time digitizing ETD modes it uses the time division setting The serial data latches also latch gOp kHz signal as the sample clock time base control data and the fast ramp count and transmit the data back to the microprocessor on the The acquire waveform clock AWCK generator divides serial data bus the sample clock by 2 a...

Page 77: ...R SLKB BLKL 1 SAMPLE COUNTER SLKMA yl PLK PLK AVCKE I ACWIRE VAVEFORM CLOCK fAVCKI GENERATOR SAMPLE EORO TGE TGE_ I TRIGGER AMPLIFIER FISO FISO VSLK GATE SERIAL DATA LATCHES CENSELA A9 POST TRICCER INS COUNTER ENDALO y SO FISO PRT TCP FISWB ALW IRE VAVEFORM CLOCK ENABLE IAVLKEI CONTROL FAST IN SLOV WT LOGIC ENO AcWIRE ENDALOI FISO CONTROL MEA T F SO FISO SO ENDA AYLKE AVCKE 4BMHZ I FAST FAST T RAM...

Page 78: ...the ERD and ETD modes 2 58 DETAILED CIRCUIT DESCRIPTION CLOCK GENERATOR Self Test 44 CLOCK GENERATOR Crystal oscillators 01630 and 01730 provide the basic timing information for the clock generator circuitry 01630 produces a 16 MHz clock which decade counter U1520A divides down to 8 MHz and 3 2 MHz The 8 MHz signal is applied to phase clock multiplexer 01530 and to decade counter U1520B which divi...

Page 79: ...be transmitted through U14208 which which are then applied to the CCD Board and the when a waveform acquisition cycle is initiated When SO Trigger Board is low the PCK rate can then be from 200 kHz to 20 MHz There are two slow out clock rates which the ERD line SAMPLE COUNTER controls When ERD is high ERD mode the 400kHz 2 AWCK Generator Self Test 42 signal toggles the J and K inputs to U1220A The...

Page 80: ... AWCKE line clock SC see Figure 2 29 The SC signal initiates the A is high the pin 6 output of U610A is held low which in to D conversion of the CCD samples see the description turn holds the pin 9 output of U6 10B low The circuit is of the CCD output circuitry thus disabled When the AWCKE line is pulled low see Fig 2 30 the pin 6 output of U610A is raised on the The SC s nal in turn clocks flip f...

Page 81: ...e high the data in each shift register is latched to the end hold off EHO line low and the trigger reset output TRIGRST line high The EHO and TRIGRST lines are transmitted to other circuits on the Time Base board and A low on the GENSELA line causes the state of the to the Trigger board With the EHO line low and the AWCKE INS STG TRIGRST ENDACO SO and the fast TRIGRST line high the trigger circuit...

Page 82: ...d 12 value overflow pin 12 of U1300 is pulled high On the of U310D then pull FI high The low on INIT sets SO pin next leading edge of PCK at pin 13 the pin 9 output is set 9 of U910B low high and pin 7 which controls the INS line is set low In the roll and RD mode FISO high the high on pin 2 of When the post trigger counter reaches its maximum U1010A is then transmitted to the J input U910A count ...

Page 83: ...20 ms H H H L H H H H H L L H L L L L H H H L toms R H H H L H H H H H L L H L L L L L H L L 5 ms D H H H L H H H H L H H H H H H H H L H L 2 ms H H H L H H H H L H H H H H L H H L L L 1 ms H H H L H H H H L H H H L H L H L H H H 500 ps H H H L H H H H L H H H L L H L L L H H 200 ps H H H L H H H H H L H H H H L L H L L L 100 ps H H H L H H H H H L H H H H L L H L L L 50 ps E H H H L H H H H H L H...

Page 84: ...ne goes low pulses to be generated ENDACQ remains high until the during the initialization of the post trigger counter When post trigger counter overflows at which time ENDACQ is the post trigger counter overflows the clock rate pulled low which in turn pulls AWCKE high and disables changes from fast in to slow out SO goes high The the acquire waveform clock generator and terminates the post trigg...

Page 85: ... until the PCK signal goes low Its width thus varies between 10 ns and 60 ns see the description of the trigger gate input circuit for FAST RAMP SELF TEST more details The fast ramp self test flip flop U1030A adds one phase If TGP goes high when PCK is low see Fig 2 32 pin 7 of clock cycle delay between the trigger and the STG pulse U1220B is then set low when PCK goes high if TGP goes when activa...

Page 86: ...etween the beginning of The fast ramp counter consists of counters 01620 the up ramp and the point when the ramp passes U1110A and U1110B 01620 gates the 40 MHz clock through the threshold of the comparator which stops the and counts it down to 10 MHz U1110A and U1110B in counter The count is then loaded into the serial data turn count the 10 MHz clock At the start of the latches and transmitted t...

Page 87: ...tabilizer Q620 Q520 0 0 521 1 Q621 5V 50NA R420 Constant Q630 Current Source v U430A C520 Q530 10mA Switchable U430B Current Q531 Sink 0 532 Low on STG Disconnects 10mA Current Sink 15V One Waveform Acquisition Cycle 15V Figure 2 33 Simplified schematic of fast ramp generator Theory of Operation 7D20 Counter Clock Gate 3858 214 2 67 ...

Page 88: ...s up the Time Base for signal produce AWCK pulses acquisition and storage in the same manner as described for the roll mode The phase clock is set to sample the When the acquisition cycle is initiated and SO is pulled signal at a 400 kHz rate and the AWCK signal selects high the phase clock signal begins clocking the two CCD which of these samples are to be stored in the WFM channels and the post ...

Page 89: ...nels are applied to the also used to produce the VSCK signal A to D converter The resulting digitized signals are then written into a 1 K block of WFM The acquire address The sample clock multiplexer 0800 transmits the generator in the Memory circuitry causes the waveform 800kHz signal to the acquire waveform clock generator to be stored in the WFM beginning with address 200 At the beginning of th...

Page 90: ...se clock rate is relationship with respect to the trigger event using the switched to 400kHz and 16 more samples are taken at fast ramp data and with respect to the resolution of the which time AWCKE is lowered which in turn allows final waveform if 100 samples of the signal were taken AWCK pulses to be generated then microprocessor would put the samples 10 WFM locations apart in the display block...

Page 91: ...naps into place Pressure must be exerted all along the switches rails to secure the panel NOTE The 7D20 will nor slide info the mainframe if the side panels have been improperly installed not firmly seated in the railsJ CLEANING INTERIOR NOTE CAUTION Avoid the use of chemical c aping agents which might damage the materials used in this instrument Use only Isopropyl alcohol or totally denatured eth...

Page 92: ...0 TEKTRONIX 577 177 1 Curve Tracer TEKTRONIX 576 Curve Tracer TEKTRONIX 7CT1 N Curve Tracer Plug in unit and a 7000 series oscilloscope TEKTRONIX 5CT1 N Curve Tracer Plug in unit and a 5000 series oscilloscope TEKTRONIX DM501A I 1 Digital Multimeter TEKTRONIX 067 1051 00 I 1 Extender boardl TEKTRONIX 067 0616 00 I 3 Extender TEKTRONIX 067 1090 00 1 Signature Analyzer SONY TEKTRONIX 308 Data Analyz...

Page 93: ...nix Part 006 1353 001 Be the instrument and in some cases may correct them careful not to get this lubricant on the contacts The lubricants mentioned are available through any Tektronix Field Office ADJUSTMENT AFTER REPAIR REV OCT 1982 VISUAL INSPECTION TABLE 3 1 CONT Part Number Reference For Support Items Item TEKTRONIX 4051 Desktop Computer The 7D20 should be inspected occasionally for loosely ...

Page 94: ...e component body The white ceramic and eoxy coated tantalum capacitors used in the instrument are color coded using a CIRCUIT BOARD ILLUSTRATIONS modified EIA code see Fig 3 1 To aid in locating circuit boards an illustration showing The cathode end of glass encased diodes is indicated by the circuit board location appears on the back of the a stripe a series of stripes or a dot The cathode and fo...

Page 95: ...ER 10pF RATING BLACK I O I 1 I I 1 I 20 I 2PF I 4VDC BROWN I I 10 I 1 I 10 I 1 I 0 1pF I 6VDC RED 2 102 or 100 2 102or 100 2 10VDC ORANGE 3 103or 1 K 3 103 or 1000 3 15VDC YELLOW 4 I 104 or 10K I 4 1104 or 10 000 I 1 X00 __I I 20VDC GREEN I r J 1105 or 100 K I 1 2 I 100000 I 5 I 0 5pF I 25VDC BLUE 6 106 or 1 M 1 q 106 or _ ___ 35VDC 1 000 000 VIOLET 7 I I 1 10 I 10 000 000 I I 50VDC GRAY I 8 I I 1...

Page 96: ...FIGURATION IS MARKED ON TRANSISTOR CASE SEE SCHEMATIC DIAGRAMS FOR CIRCUIT NUMBER LISTINGS DUAL JFET I DUAL NPN DMOS FET LIGHT EMITTING J L SIGNAL DIODE I DIODE L E D INTEGRATED CIRCUITS PLASTIC POWER J TRANSISTOR ry q i I l l l h PIN NUMBER SEQUENCE PATH Figure 3 2 Semiconductor lead configuration IC PINS ARE NUMBERED COUNTERCLOCKWISE FROM THE INDEX VIEWED FROM THE TOPI 3858 309 ...

Page 97: ...angle A triangle dot or square printed on circuit boards denotes pin 1 When a connection is made to a circuit board the orientation of the triangle on the multi pin holder is determined by the index triangle dot or square printed on the circuit board see Fig 3 3 3 Discharge the static voltage from your body by wearing a wrist strap while handling these components Servicing static sensitive assembl...

Page 98: ...on 5 CHECK INSTRUMENT ADJUSTMENT Check the electrical adjustment of this instrument or of the affected circuit if the trouble appears in one circuit If the apparent trouble cannot be isolated to a defective component the trouble may only be a result of maladjustment Complete adjustment instructions are given in Section 4 Checks and Adjustment Recommended type TEKTRONIX 067 0616 00 3 required Often...

Page 99: ...scale The resistance should be very high in one direction and very low when the meter leads are reversed When checking diodes do not use an ohmmeter scale setting that has a high internal current because high currents may damage the diodes under test Resistors CAUTION Maintenance 7D20 Check the resistors with an ohmmeter Resistor tolerances are given in Section 6 Replaceable Electrical Parts Norma...

Page 100: ...esoldering equipment should attempt repair Also some electrical parts are selected for a value that of any board in this instrument provides optimum circuit operation These parts are identified by SEL next to the value on the schematic When soldering on circuit boards or small wiring use diagram Criteria for these SELectable parts are provided only a 15 watt pencil type soldering iron A higher in ...

Page 101: ...w SEMICONDUCTORS 3 14 3 13 10 10 11 s 11 s 15 2 4 2 4 13 8 9 8 9 12 5 12 5 14 1 1s 1 16 PIN 14 PIN Figure 3 4 Recommended desoldering sequence CAUTION Do not remove stickers affixed to the top of EPROMs Removal of this sticker will allow light into the chip and may cause partial erasure of its data An extracting tool should be used to remove the in line integrated circuits to prevent damaging the ...

Page 102: ...D20 3 1 2 RIBBON CONNECTOR V Il t illl i ijj i f ui III lil i ii TWO PIN HARMONICA CONNECTOR THREE PIN HARMONICA CONNECTOR 2 SCREWS TIMEBASE BOARD Figure 3 5 Board guide and Interconnect Board Removal 14 ii 3858 301 ...

Page 103: ...ix screws Back Panel 1 Place the 7D20 on a workbench with the back panel facing you 2 Using a 2 Phillips screwdriver remove the eight fillister head screws that secure the back panel to the four frame rails See Figure 3 6 n i o o SI 4 Front Panel 3 Disconnect all coaxial cables that are clamped to the 1 Invert the 7D20 for access to the bottom of the rear panel from their respective boards If only...

Page 104: ...panel 4 Using a 2 Phillips screwdriver remove the eight from the casting remove all knobs and the GPIB cover flat head screws that fasten the front casting to the then proceed as follows front rails 1 Remove five screws from the circuit boards and two 5 Disconnect the violet on white cable that attaches to screws from the GPIB bracket the rear of the EXT TRIG jack on the front panel 2 Remove the t...

Page 105: ...ng Board ground lead to the 7D20 frame before the boards can be separated 2 Remove the board guides 5 To reconnect the two boards align them checking to 3 Rock the rear end of the MPU Board up and down see that no components or connector pins are while pulling the board to the rear of the 7D20 misaligned or out of place 4 When the board is free of the receptacle lift it out of the 7D20 Use caution...

Page 106: ...l See Figure 3 5 is red on white connecting to J2 the rear most cable is brown on white connecting to J1 5 Disconnect the violet on white coaxial cable from 3 Invert the 7D20 the Trigger Board and the front panel assembly and remove it from the 7D20 4 Remove the two remaining coaxial cables from the CCD Board These are orange on white connecting to J3 and yellow on white rearmost connecting to J4 ...

Page 107: ...d screws that secure the 2 Using a 3 16 inch nutdriver remove the standoffs ground straps three on the top rail one on the and washers that secure the rear of each attenuator bottom rail to the frame rails cover to the Preamp Board 7 Remove the two screws that fasten the Preamp 3 Lift each cover away from the board rear end first adjustment shield to the Preamp Board Unsnap the sliding the cover b...

Page 108: ...empt to remove or 8 Re install the front panel assembly on the 7D20 replace these connectors We recommend that the damaged cable or wiring harness be replaced as a unit For cable or wiring harness part numbers see Section 8 INTERCONNECTING PINS Replaceable Mechanical Parts An alternative solution is to refer the replacement of the defective connector to Two methods of interconnection are used in t...

Page 109: ... spring tension can be destroyed by using the pin sockets as a connecting point for spring loaded probe tips alligator clips etc Multi Pin Connectors NOTE The pin connectors used to connect the wires to the interconnecting pins are clamped to the ends of the associated leads To remove or replace damaged multi pin connectors remove the old pin connectors from the end of the lead and clamp the repla...

Page 110: ...h time the 7D20 is powered up The operator can also initiate a Self Test at any time via the 7D20 front panel or via the The 7D20 contains extensive built in testing capabilities GPIB If necessary the operator can run a particular self designed to verify its operating integrity In the case of test repeatedly via the Circuit Exercise menu This is failure this facility may be used to identify a part...

Page 111: ...f Test has been made the crt display will read SELFTEST FAIL with no display code To leave the Self Test mode press the MEMORY DISPLAY 2 button The crt display will then read SELFTEST FAIL and the 7D20 will return to normal operating mode Repetitive Self Testing After the Self Test has been performed the result will be To help locate an intermittent fault it is helpful to be able displayed on the ...

Page 112: ...orm RAM 1 U910 Waveform RAM 2 U810 Waveform RAM 3 U710 Waveform RAM 4 U610 Waveform RAM 5 U510 Waveform RAM 6 U410 Waveform RAM 7 U310 Waveform RAM 8 U210 Block Select Display Interrupt Generator Horizontal Counter Horizontal DAC Horizontal Vector Filter Horizontal Output Waveform Data Bus Vertical DACs Vertical Expand Vertical Vector Filter Vertical Output Z Axis Time Base Data Registers Acquire ...

Page 113: ...ess data on the bus and may report false results if someone else is using the bus so the bus connector should be removed before calling this routine The GPIB routine is selected via the front panel Extended NOTE Test submenu When the test is complete the result will The operating life of the EAROM is shortened be displayed in the prompt field by repeatedly storing data in the non volatile part of ...

Page 114: ...nt numbers and schematic displayed location of the principal parts the code which MEMORY DISPLAY pushbuttons must be pressed to select that test and whether the test offers signature analysis For example the entry for Test 14 is 3 24 TROUBLESHOOTING MODULES This procedure uses Circuit Exercise CE mode to repetitively stimulate a circuit so that its output will be repeatable The circuit output can ...

Page 115: ...uit exercise test press the CSW button The 7D20 will return to normal operating mode 3 PROM 0200 diagram 12 code 21 Runs check sum test determines whether the PROM s content is intact and that it is in the correct socket If this test fails place the MPU Board A9 on an extender and use the following Signature Analysis tests Be sure to adhere to the setups for each table SA Table 1 0 checks the addr...

Page 116: ...se it will not have received good data until all six stored settings have been initialized and stored via the Master Menu Store command The operating life of the EAROM is shortened by repeatedly storing data in the non volatile part of its memory This normally occurs only on power down Because the EAROM Extended Test simulates power down use the EAROM Extended Test sparingly The EAROM Self Test do...

Page 117: ...ess bus lines If these signatures are wrong it Maintenance 7D20 14 Address Bus RMA Latch 01410 01310 U 200 on diagram 11 code 432 SA If this test fails place the Memory Board on an extender and run the circuit exercise indicated by the This test checks for short circuits between the data Signature Table used SA Table 4 0 will verify the and address lines of the waveform memory Test 14 Display Addr...

Page 118: ...o compare RMD contents with SAA It should be SAA not S55 If the MPU did access the Memory Board during a display cycle the RMD latch that is set to acquire cycles will not change g Set RMD mode to Column D of MPU it latches only MPU display cycle activity h Write SC3 to location S3FFF i Read the RMD latch to compare its contents with SC3 j Set the PRWS line low to select MPU waveform memory access...

Page 119: ...xtender and run circuit exercise 432 SA Table 3 1 verifies the MA and MD buses and control lines to the waveform RAMS If the signatures are good the problem is probably in the RAM chip or the waveform data WD bus and its control 27 Block Select U800 on diagram 11 code 5421 If this test fails place the Display Board on an This test checks register file U800 on diagram 11 extender and run circuit ex...

Page 120: ...top line 30 Horizontal DAC U720 U1020 U820 0320 U520 Provides a stable oscilloscope trigger while using this test for troubleshooting U620 diagrams 8 9 code 5432 31 Vector Filter U1215 U1325 diagram 9 code 54321 32 Horizontal Output U230B U230A diagrams 9 13 31 Horizontal Vector Filter 54321 If this test fails code 6 place the Display Board on an extender and run circuit exercise 54321 Use an osci...

Page 121: ...20 e 816 off on TP720 f 816 on off TP720 g 7 on on TP7421 h 7 on off TP1421 31 i 816 on on TP1421 j 816 on off TP1421 3858 335 Maintenance 7D20 With limits a offset b offset c offset d offset e offset limits g offset h offset i offset k 7 on off U230A 1 limits 32 I 816 I on I off I U230A 1 I k offset 36 Vertical Vector Filter U1215 U1315 diagram 9 code 63 37 Vertical Output U240A U240B diagrams 5 ...

Page 122: ...tep Data Expand Display Dots Voltage Offset at a OF x1 i0 on TP720 33 b 6A x1 80 on TP720 c C3 x1 80 on TP720 d FO x1 80 on TP720 e OF x1 80 on TP900 f 6A x1 80 on TP900 g C3 x1 80 on TP900 h FO x1 80 on TP900 i 80 x1 OF on TP900 j 80 x1 6A on TP900 34 k 80 x1 C3 on TP900 I 80 x1 FO on TP900 m 00 x1 80 on TP900 n 00 x0 5 80 on TP900 0 00 x0 4 80 on TP900 p 00 x0 25 80 on TP900 q 00 x0 20 80 on TP9...

Page 123: ...bleshooting 36 Vertical Vector Filter 63 If this test fails place the Display Board on an extender and run circuit exercise 63 Use an oscilloscope to troubleshoot the Vertical Vector Filter Waveform Figure 3 20 is a typical output of this test The SA Start Stop line provides a stable oscilloscope trigger while using this test for troubleshooting 37 Vertical Output 631 If this test fails place the ...

Page 124: ...orce a code 6321 SA DISPINTR This test checks that the Blanking Logic circuit can be controlled by DISPINTR Display Interrupt Blank Dots and CHBLNK Character Blank with data from memory Test 38 consists of the following steps c Clear the Blank line the FSBLANK line the Dots line and the Display Address Generator I nS d Assert a low on DAGSSE Display Address Generator Single Step Enable to prevent ...

Page 125: ...te clock to select the 400 kHz signal as the AW source If this test fails troubleshoot the Memory Board using circuit exercise 64 SA Table 5 verifies Acquire o Within 2 ms of AQRINIT latch 01320 and 01210 Address Generator and its MPU control SA Table 3 2 verifies the Data Bus from the MPU to the p Check that the INS and SO lines are high and Acquire Address Generator If the signatures are that EN...

Page 126: ...rigger while using this test for troubleshooting 44 Phase Clock PCK Generator 01630 U1520B 0 1730 01530 U 1520A 014208 U1220A on diagram 14 code 643 This test verifies that the PCK is functional at its various rates Test 44 has the following steps a Select 200 kHz PCK frequency and set the Fast In Slow Out FISO line high b Initialize the post trigger counter c Delay the time from initialize until ...

Page 127: ...alid sample counter and wait for a low on TRIGRST Trigger Reset e Set Trigger Level to 2 divisions allow about_55 ms settling time and check for a high on STG Synchronous Trigger Gate no trigger e Repeat steps b d for Trigger levels of 56A SC3 and SFO f Set Trigger Level to 2 divisions allow about 55 ms settling time and check for a low on STG If this test fails place the Trigger Board on an Trigg...

Page 128: ...F Rej repeat steps b c and d check that no STG occurs h Wait until just after AWCKE goes low and repeat If this test fails place the Trigger Board on an steps d and e extender and run circuit exercise 651 Use an oscilloscope to troubleshoot this circuit The SA i Set Phase Clock PCK to 8 MHz and set post Start Stop line provides a stable oscilloscope trigger trigger count to S2AAFF for troubleshoot...

Page 129: ...53 This test grounds Ch 1 input and sets Ch 1 to 20 mV Division MPU Board Ch 1 position DAC establishes Ch 1 position voltage for center screen Selects Analog Bus to read Ch 1 output then converts and compares the result with test limits Next the test sets Ch 1 position voltage for 5 divisions of deflection reads the Ch 1 Preamplifier output and compares it with test limits Lastly the test sets Ch...

Page 130: ...x 653 i65A2 9 t i9 SA TAR iST r q CH1 CH2 x 9 t i9 SA TAR iST 3858 348 Figure 3 27 Waveform for Ch 1 Ch 2 Step Attenuator test Figure 3 28 Waveform for Ch 1 Ch 2 Decade Attenuator test Next the test sets the Ch 1 sensitivity to 100 mV troubleshooting this test SA Table 8 0 will verify the with the front 10X attenuator leaves ICS on and the MPU control of the preamplifier position voltage set for 5...

Page 131: ... the position is set to 5 divisions The test verifies that the preamplifier output is within test limits 60 Ch 2 5 mV Div U740 on diagram 5 code 6543 If this test fails run circuit exercise 6541 and use an To test the 5 mV Division sensitivity the test sets oscilloscope to troubleshoot the Channel 2 Preamp the overall sensitivity to 10 mV Division 20 circuitry Waveform Figure 3 27 is a typical out...

Page 132: ...g method for that reading with test limits The output voltage will isolating faults usually to the component level in be the average of the Ch 1 and Ch 2 CCD multiplexer complex logic circuits Signature analysis testing relies output voltages on exercising circuit nodes in a repeatable fashion The type of exercise is relatively unimportant as long as the This process will be repeated three times T...

Page 133: ...l or the GPIB if problems exist on the address and deviations from the desired waveshape clipping data buses outside the MPU Board oscillations power supply noise etc In signature tracing however subtle differences in signatures from To perform Forced Instruction Freerun proceed as those desired mean nothing A wrong signature just follows indicates trouble not a particular type of trouble There ar...

Page 134: ...p that will shift alternate 1 s and 0 s through the address and data buses and reads each front panel port 2 Exercise the Display Interrupt Generator by alternately strobing the Start Display Cycle and the End Display Cycle lines This will help find any external bus faults and also verify that the front panel ports are placing data on the bus when they are read When these circuits are working the ...

Page 135: ...6C SERVICE ONLY Clock 0000 6 TEST MENU 14 Troubleshoot as necessary referring to SA Table 2 0 Refer to Theory of Operation for details of operation HIERARCHY OF TEST MENUS This part lists the Test Menu and its submenus For specific details of the operation of each function refer to the Operating Instructions section of the 7D20 Operators Manual The Test Menu will be displayed when the J and MENU T...

Page 136: ... its state To terminate the Front Panel Test press the MENU TEST button The 7D20 will then initialize to its status before the Front Panel Test and the Test Menu will not be displayed When the Test Menu is being displayed and the MEMORY DISPLAY 4 button is pressed the following information will be displayed CIRCUIT EXERCISER SERVICE ONLY REFER TO SERVICE MANUAL PRESS f TEST TO EXIT The Circuit Exe...

Page 137: ...ear Register B CM Common Mode CRC Cyclic Redundancy Check method of checking ROMs DAC Digital to Analog Converter DAG Display Address Generator DAGSSE Display Address Generator Single Step Enable gates off normal clock to display length counter DISPBLKX Display Block X DISPBLKY Display Block Y DISPINTR Display Interrupt DLC Display Length Counter DSP DiSPlay cycle on Memory Board complement of ACO...

Page 138: ...ta points are currently being sampled for possible storage KERNEL The central control devices i e the MPU the RAMs and the ROMs LFR Low Frequency Reject MA Memory Address MD Memory Data MPU Microprocessor Unit P820 1024 820 point display PCK Phase Clock PRBS Pseudo Random Byte Sequence PRWS Processor Read Write Select high allows MPU to access waveform memory during ACQ time low allows access duri...

Page 139: ...ront panel check but in some cases it may be necessary to open the instrument covers to change jumper positions set switches or make connections The Part II Performance Check and Part III Adjustment procedures are divided into subsections by major functional circuits e g A Acquisition and Display B Triggers etc The order in which the subsections and procedures appear is the recommended sequence fo...

Page 140: ...nd Adjustment Summary 5 mV Div to 5 V Div in 1 2 5 sequence I A3 CHECK CH 1 and I Not applicable CH 2 Vertical Gain Within 2 with AOR GAIN adjusted 10 mV Div Continuously variable VARIABLE extends deflection factor to at least 12 5 V Div 0 12 Div or less expansion or compression of a A4 Check Vertical center screen 2 Div signal positioned anywhere Linearity and within the 4 division graticule area...

Page 141: ...licable 0 02 Div increments 55 dB Full Scale RMS Noise 52 dB Full Scale RMS Noise 2 Degrees at 10 MHz 30 MHz TABLE 4 1 CONT Performance Check and Adjustment Summary VERTICAL Cont TRIGGER 30 MHz to I 1 0 Div 150 mV 1 5 V 70 MHz 50 kHz to 0 4 Div 60 mV 0 6 V 30 MHz 30 MHz to I 1 0 Div 150 mV 1 5 V 70 MHz 30 Hz to I 0 4 Div 60 mV 0 6 V 30 kHz DC to I 0 4 Div 60 mV 0 6 V 30 kHz DC to I 0 4 Div 60 mV 0...

Page 142: ...ly 5 Div from center graticule line Nominally 0 04 Div TIME DIV Points Waveform Resolution EXT 20s 500ps 200ps 2 rs 1ps 50 ns 0 1 of reading 0 1 sample interval 300 ps 0 1 of reading 600 ps TABLE 4 1 CONT Performance Check and Adjustment Summary TRIGGER Cont 1024 820 1024 DIGITIZER 0 01 Div 0 0125 Div 0 01 Div Part II Performance Check Procedure Title tests in the pro cedures Customer verification...

Page 143: ...ernal CLOCK does not normally require customer verification Satisfactory operation can be substantiated by performing the Part I Functional Check Procedure in this section Minimum Example of Description Specification I Purpose I Applicable Test Equipment Compatible with Tektronix I Used throughout procedure 7000 series plug ins Square wave output Provides calibrated signal 10 Hz to 1 MHz output fo...

Page 144: ...ment plug in units procedure 50 Z 42 inch bnc end connectors Impedance 50 ohms I Output termination for I a Tektronix part 011 0049 Ot accuracy within 2 signal generators connectors bnc Impedance 50 ohms I Used to check triggering accuracy within 2 connectors bnc Impedance 50 ohms I Used to check triggering accuracy within 2 connectors bnc a TEKTRONIX SG 503 Leveled Sine Wave Generator with Power ...

Page 145: ...d turn the power on The Self Test will run automatically at power up 3 CHECK 7D20 INPUT CONNECTORS a Connect the 4 volt 1 kHz calibrator signal from the host mainframe to the CH 1 input connector of the 7D20 Select the BOTH AQR MODE b Observe that the calibrator signal is displayed Adjust the CH 1 POSITION control and observe that the waveform can be vertically repositioned c Turn the VARIABLE VOL...

Page 146: ...dress numbers 0 through 30 e Press MEMORY DISPLAY key 5 to select GPIB Terminator EOI The message TERM term where term is the current GPIB terminator will be displayed and both the and key 5 will blink Repeatedly pressing key 5 will alternate the terminator between EOI and LF EOL f Press MEMORY DISPLAY key 4 to select GPIB Mode Talk Listen The message MODE mode where mode is the current GPIB mode ...

Page 147: ...UISITION AND DISPLAY 4 10 NOTE 1 Preliminary Setup 4 10 The specifications are valid at an ambient 2 Initialization Procedure 4 10 temperature of 0 to 40 C when used in a 3 Check CH 1 and CH 2 Vertical Gain 4 11 7400 7600 Series mainframe without a fan 4 Check Vertical Linearity and Acquisition or at an ambient temperature of 0 to 45 C Window 4 13 vhen used in any other 7000 Series 5 Check Signal ...

Page 148: ...l light If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton A2 INITIALIZATION PROCEDURE number 6 From the MASTER MENU list displayed on the oscilloscope mainframe crt select DISPLAY ADJ a Press MENU pushbutton will light PATTERN by pressing MEMORY DISPLAY pushbutton number 3 b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 f While observing the adjustment patt...

Page 149: ...ror in Output in Divisions Divisions 50 mV I 5 I Gain Adjusted to 0 0 0 1 V 5 0 1 0 2 V 4 0 1 0 5 V 5 0 1 1 0 V 5 0 1 2 0 V 4 0 1 5 0 V 5 0 1 10 V 5 0 1 20 V 4 0 1 Part 11 7D20 Performance Check Procedure V Readout 19 6 to 20 4mV 49 6 to 50 4mV 98 4 to 101 6mV 196 to 204mV 492 to 508mV 0 984 to 1 016V 1 96 to 2 04V 4 92 to 5 08V 0 984 to 1 016V 19 6 to 20 4V Figure 4 2 CURSORS 1 and 2 used to meas...

Page 150: ...ch g Connect the calibration generator output to CH 2 input k Set CH 2 VOLTS DIV to 5V and calibration generator and set CH 2 VOLTS DIV to 10 mV for a 20 volt output h Set AQR MODE to CH 2 and Calibration Generator Amplitude to 50 millivolts counterclockwise i Set CH 2 AQR GAIN for CURSORS readout of m CHECK Displayed waveform is no more than 1 6 OV 50mV divisions in amplitude OV readout is less t...

Page 151: ... AVE for each observation e Connect calibrator output to CH 2 input connector g Set CH 2 VOLTS DIV to 20mV h CHECK With CH 2 POSITION control move two division display over entire graticule area and observe that CURSORS readout does not vary more than 2 4mV use AVE for each observation Part II 7D20 Performance Check Procedure CURSOR 2 CURSOR 1 3858 433 Figure 4 3 Check Vertical Linearity i Set CH ...

Page 152: ...t Leveled Sine Wave Generator Frequency 20 MHz 3858 426 b Set leveled sine wave generator for eight divisions of 20 megahertz signal centered on the oscilloscope mainframe crt c Set AOR MODE to BOTH and CH 2 VOLTS DIV to 100mV e CHECK CH 2 display for less than 0 08 division signal f Connect signal input to CH 2 and disconnect signal input to CH 1 Set TRIGGERING SOURCE to CH 2 j Set AOR MODE to AD...

Page 153: ...rtz and TIME DIV to 50nS d CHECK For at least 5 7 divisions of displayed signal e Set AQR MODE to CH 2 f Set CH 2 VOLTS DIV to 10mV and TIME DIV to 10NS g Move coaxial cable and 50 ohm terminator from CH 1 input to CH 2 input j Set leveled sine wave generator to 70 megahertz and TIME DIV to 50nS k CHECK For at least 5 7 divisions of display signal I Remove coaxial cable from leveled sine wave gene...

Page 154: ... Hz 3858 428 b CHECK Using settings listed in Table 4 4 check for stable triggering and a lighted TRIG D lamp c Set CH 1 VOLTS DIV to 100mV and TIME DIV to 50nS d Move coaxial cable from function generator output to leveled sine wave generator output e Set leveled sine wave generator frequency to 30 MHz and adjust amplitude for a 60 millivolt display on oscilloscope mainframe crt f CHECK Using set...

Page 155: ...e Mark Generator 2puS 95 2 ms 1 998 2 002mS MarkeriSeci 0 1 ms 50kS 95 5 ms 4 995 5 005mS 3858 429 100pS 95 10 ms 9 999 10 01 mS 200NS 95 20 ms 19 99 20 02mS b Set CH 1 VOLTS DIV switch and VARIABLE control to display at least four divisions of time mark signal 500pS 95 50 ms 49 95 50 05mS 1 mS 95 0 1 s 99 9 100 1 mS c Set CURSORS 1 control so that cursor falls on rising edge of time mark as close...

Page 156: ...t 4 Adjust Low Frequency Gain R1003 R1033 4 22 5 Adjust Step Attenuator Balance and 5 mV CA U T I ON Offset Balance R902 R801 R934 R733 R751 R701 R518 R445 4 24 6 Adjust Channel 1 CCD Centering Balance To avoid instrument damage it is Gain and Reference Voltages R410 R411 recommended that the POWER switch be R344 R311 R310 4 26 turned off before removing or rep acing the 7 Adjust Channel 2 CCD Cen...

Page 157: ...l light If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 From the MASTER MENU list displayed on the oscilloscope mainframe crt select DISPLAY CAL PATTERN by pressing MEMORY DISPLAY pushbutton number 3 b If MASTER MENU is not displayed press MEMORY f While observing the DISPLAY CAL PATTERN displayed DISPLAY pushbutton number 6 on the oscilloscope mainframe crt use screwdrive...

Page 158: ...d B d ADJUST DAC Gain Balance adjustment R900 and DAC Offset adjustment R1000 to vertically align the left two trace segments with the right trace segment e Press MENU pushbutton will light If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 From displayed MASTER MENU list select DISPLAY CAL PATTERN by pressing MEMORY DISPLAY pushbutton number 3 A B ERTICpL OISP AY DAC i __ _ ...

Page 159: ...A3 ADJUSTMENT LOCATIONS TOP VIEW OF 7D20 DAC OFFSET R1000 DAC GAI N BALANCE R900 0 Part III 7D20 Adjustment Procedure C 3858 405 ...

Page 160: ...nd calibration generator Pulse Amplitude control for a six division signal centered on the oscilloscope mainframe crt c EXAMINE Oscilloscope mainframe displayed waveform for flat top within 0 08 division d ADJUST CH 1 LF Gain adjustment R1003 for optimum flat top on oscilloscope mainframe displayed waveform e Connect Fast Rise output from calibration generator to CH 2 input f Set AQR MODE to CH 2 ...

Page 161: ...A4 TEST POINT ADJUSTMENT LOCATIONS LEFT SIDE VIEW OF 7D20 TPC TPD Part III 7D20 Adjustment Procedure 3858 406 ...

Page 162: ...DJUST CH 2 Invert Balance R733 for minimum trace shift while switching between INV invert and non invert I ADJUST CH 2 5 mV Offset adjustment R833 for minimum trace shift while switching CH 1 VOLTS DIV between 10 mV and 5 mV m Set AOR MODE to BOTH Then set CH 1 and CH 2 VOLTS DIV switches to 10mV n Mechanically center CH 1 and CH 2 POSITION controls o Connect shorting strap between GND and TP1230 ...

Page 163: ... GN J40 T B I CH1 CH1 CH 1 POSITION CH 1 5 mV CH 1 TRIGGER OFFSET VARIABLE OFFSET STEP OFFSET 8720 BALANCE 8801 BALANCE R518 I R701 R902 nnnr n TOP VIEW OF 7D2O TP902 TP901 TP900 O Part III 7D20 Adjustment Procedure TP1220 C C 3858 407 ...

Page 164: ...P1220 d EXAMINE VZR readout reads between 0 2 and 0 2 CURSOR2 G W t TRIG 6 CURSORI Figure 4 8 Typical CURSORS Display f Remove grounding strap from TP1220 g Set CH 1 input coupling to AC m Press AVE pushbutton will light p Set CH 1 VOLTS DIV to 20mV 86iu8 h Connect test oscilloscope probe to J700 2 q Press AVE to turn off lighted pushbutton 3858 423 e ADJUST CH 1 Centering adjustment R410 to align...

Page 165: ...SIDE VIEW OF 7D20 Revised DEC 1984 CH 1 Q Q CENTERING Tp430 TP331 CH 1 R410 BALANCE REF1 R44 REF1 J700 2 R411 R311 R310 J100 4 0 0 m m 0 m II CCD TP1220 Part III 7D20 Adjustment Procedure REFERENCE LABEL LOCATED HERE d C421 STORAGE PINS P420 P480 3858 4038 4 27 ...

Page 166: ...RSORS readout does not vary more than 2 4 mV If CURSORS readout does not vary more than 2 4 mV ignore remainder of this step and perform parts a through o then continue with step A7 NOTE The remainder of this procedure is intended for instruments which do not have a CCD Reference Label and for instruments with a label which cannot be adjusted to meet specifications in step x using voltages listed ...

Page 167: ...t reads V 40mV within 0 4 millivolts o ADJUST Ch 2 Gain adjustment R377 so that CURSORS readout reads OV 40 0 p Set CH 2 VOLTS DIV to 20mV q Press AVE to turn off lighted pushbutton r With CH 2 POSITION control move display to center screen s EXAMINE With the CH 2 POSITION control move the two division display over the entire graticule area and observe that the CURSORS readout does not vary more t...

Page 168: ...T POINT ADJUSTMENT LOCATIONS 4 30 LEFT SIDE VIEW OF 7D20 CH 2 CH 2 GAIN CENTER TP481 TP680 R377 R510 GND O O l S Sf Sf BOTTOM VIEW OF 7D20 cH 2 J700 1 8A ANCE R511 REF2 REF2 R111 R110 W O I C o I _ _ _ _ _ I _ o I TP1230 3858 404A REV JUN 1983 ...

Page 169: ...peat step ee nn Set CH 2 input coupling to GND qq Set CH 2 input coupling to AC rr INTERACTION Repeat step mm Part III 7D20 Adjustment Procedure x EXAMINE With the CH 1 POSITION control move gg Mechanically center CH 2 POSITION control and the two division display over the entire graticule area connect shorting strap between ground and TP1230 and observe that CURSORS readout does not vary more tha...

Page 170: ... CH 2 VOLTS DIV to 10mV I Set CH 2 AQR GAIN for OV 50 OmV m Set CH 2 VOLTS DIV to 5mV and calibration generator Amplitude to 20 millivolts n EXAMINE CURSORS readout reads V 20mV within 0 2 millivolt o ADJUST CH 2 5 mV Gain adjustment R850 so that CURSORS readout reads V 20mV p Press f function pushbutton then press MENU TEST pushbutton Set AQR MODE to CH 1 q From TEST MENU list displayed on oscill...

Page 171: ...W OF 7D20 TOP VIEW OF 7D20 CH 2 CH 1 CH 1 CH 2 POSITION POSITION 5 mV 5 mV GAIN GAIN GAIN GAIN R851 R821 R820 R850 BOTTOM VIEW OF 7D20 CH 2 CENTERING 0 0 0 o o CH 1 CENTERING o o _ _ o e r r Part III 7D20 Adjustment Procedure I C 3858 41 3 ...

Page 172: ...ainframe Flexible Plug in Extenders NOTE 7D20 CH 1 O CH 2 O 3858 412 e EXAMINE For less than 0 2 division trace shift when switching TIME DIV switch from 2NS to INS f ADJUST Ch 1 ETD adjustment R210C for no trace shift when switching TIME DIV switch from 2NS to 1 NS g Set AQR MODE to CH 2 h With CH 2 POSITION control set VZR O i Set TIME DIV to 500NS j EXAMINE For less than 0 2 division trace shif...

Page 173: ...A9 TEST POINT ADJUSTMENT LOCATIONS Q LEFT SIDE VIEW OF 7D20 Q_ TOP VIEW OF 7D20 CH 1 CH 2 ETD ERD ERD R210C R210B ETD R210D R210A a I o p Part III 7D20 Adjustment Procedure TP1220 C C 3858 41 4 ...

Page 174: ...Part III 7D20 Adjustment Procedure ...

Page 175: ...m MASTER MENU list displayed on oscilloscope mainframe crt select DISPLAY CAL PATTERN by pressing MEMORY DISPLAY pushbutton number 3 f While observing the DISPLAY CAL PATTERN displayed on the oscilloscope mainframe crt set VERT GAIN VERT CTR HORIZ GAIN and HORIZ CTR adjustments to place corner markers of displayed adjustment pattern on center 6 x 8 divisions of graticule as shown in Figure 4 9 g S...

Page 176: ... millivolts e Set TRIGGERING COUPLING to DC f EXAMINE DMM should read zero volts within 2 mIIIIVOItS g ADJUST DC Balance adjustment R240 for a DMM reading of zero volts within 2 millivolts h Mechanically center CH 1 and CH 2 POSITION controls i Connect a shorting strap between TP1220 and GND j Connect DMM test leads between TP902 and J400 k EXAMINE DMM should read zero volts within 2 millivolts I ...

Page 177: ...0 n n nllll CH 2 CH 1 TRIGGER TRIGGER OFFSET OFFSET R445 R518 BOTTOM VIEW OF 7D20 c ac BALANCE ZERO R240 R241 O J550 TP1220 TP1230 O Part III 7D20 Adjustment Procedure nnnnm0 nn n n TP400 0 TOP VIEW OF 7D20 TP902 TP901 TP900 TP810 recessed approx 2 inches Sass ais ...

Page 178: ...Set TRIGGERING LEVEL control for stable triggering of displayed one kilohertz signal n Set CURSORS 1 for T O OS o EXAMINE While switching between and SLOPE observe that cursors dot does not move more than or 0 04 division vertically SLOPE is obtained when SLOPE pushbutton is not lighted p ADJUST Slope Center adjustment R440 so that while switching between and SLOPE cursors dot does not move vertic...

Page 179: ...TIONS n n i i 0 0 0 _ _ _________________________________ _____n BOTTOM VIEW OF 7DZO SOPE HYSTERESIS LEVEL CENTER R444 CENTER R440 R543 0 TOP VIEW OF 7D20 cN REF TP4oo TP900 Part III 7D20 Adjustment Procedure IiI vv A v v J858 419 ...

Page 180: ...ontrol fully counter clockwise and set SLOPE to minus SLOPE pushbutton not lighted j Set TRIGGERING MODE to AUTO with SLOPE k Connect DMM negative test lead to GND REF and positive test lead to TP400 I Set TRIGGERING LEVEL control for a DMM reading of 1 28 volts within 10 millivolts m Set CH 1 VOLTS DIV to 1 V Set function generator Amplitude control to display 0 4 divisions of one kilohertz signa...

Page 181: ...NT AND ADJUSTMENT LOCATIONS TOP VIEW OF 7D20 nnn m 0 n GND REF TP400 P P RANGE R541 OFFSET OFFSET R546 R645 Part III 7D20 Adjustment Procedure u I C BOTTOM VIEW OF 7D20 I TP540 pLUS PEAK MINUS PEAK TP640 3858 441 ...

Page 182: ...Part III 7D20 Adjustment Procedure ...

Page 183: ...6 From the MASTER MENU list displayed on the oscilloscope mainframe crt select DISPLAY CAL PATTERN by pressing MEMORY DISPLAY pushbutton number 3 C2 INITIALIZATION PROCEDURE a Press MENU pushbutton will light Part III 7D20 Adjustment Procedure Figure 4 10 Display Adjust Pattern 3858 438 b If MASTER MENU is not displayed press MEMORY f While observing the DISPLAY CAL PATTERN displayed pushbutton nu...

Page 184: ...ise Variable X1 Period 10 ps 3858 417 b Mechanically center TRIGGERING LEVEL knob Do not disturb the setting of the TRIGGERING LEVEL knob throughout the remainder of this step c Press f function then press MENU TEST d If TEST MENU is not displayed press MEMORY DISPLAY pushbutton number 6 4 46 j Set TIME DIV to 2pS k Set CH 1 VOLTS DIV to 100 mV and Input Coupling to AC I Set calibration generator ...

Page 185: ... one vertical division of o Set CURSORS 1 to read T OS see Fig 4 12 center graticule line p Set TRIGGERING MODE to AUTO and COUPLING to s INTERACTION Adjustment of Ramp Offset DC adjustment R732 affects the setting of Ramp Gain adjustment R320 repeat parts a through h q CFIECK Displayed cursor dot is within two vertical divisions of center graticule line Part III 7D20 Adjustment Procedure 3858 420...

Page 186: ...x division display centered on oscilloscope mainframe crt k EXAMINE Displayed waveform for flat top within 0 08 division I ADJUST Comp 1 adjustment C1011 for optimum flat top on displayed waveform VOLTS DIVA TIME DIV REP RATE ADJUSTMENT 10mV 200nS I 100 kHz I Comp 9 R810 Comp 8 C813 10mV I 50nS HMAG I 1 MHz I Comp 10 R710 Comp 11 C710 Comp 2 C1020 5mV I 50nS HMAG I 1 MHz I Comp 5 R822 Comp 6 C820 ...

Page 187: ...IME DIV I REP RATE I ADJUSTMENT 10mV I 200nS I 100 kHz I Comp 16 R840 Comp 15 C841 t ADJUST CH 2 preamplifier compensations for 10mV 50nS HMAG 1 MHz Comp 17 R750 optimum square corner and flat top using VOLTS DIV Comp 18 C740 TIME DIV and Rep Rate settings listed in Table 4 8 Comp 3 C1050 Set C486 on CCD board for minimum step 50 ns after front corner 5mV 50nS HMAG 1 MHz Comp 12 R852 Comp 13 C851 ...

Page 188: ...T OPTIONS No options were available for the 7D20 at the time of this printing Section 5 7D20 Information about any subsequent options will be included in the CHANGE INFORMATION section at the back of this manual ...

Page 189: ...entify the assembly in which the part is located CROSS INDEX MFR CODE NUMBER TO MANUFACTURER The Mfr Code Number to Manufacturer index for the Electrical Parts List is located immediately after this page The Cross Index provides codes names and addresses of manufac turers of components listed in the Electrical Parts List ABBREVIATIONS Abbreviations conform to American National Standard Y1 1 COMPON...

Page 190: ...BOX 3164 TEMPE AZ 85282 24546 CORNING GLASS WORKS ELECTRONIC COMPONENTS DIVISION 550 HIGH STREET BRADFORD PA 16701 27014 NATIONAL SEMICONDUCTOR CORP 2900 SEMICONDUCTOR DR SANTA CLARA CA 95051 31433 UNION CARBIDE CORP ELECTRONICS DIV PO BOX 5928 GREENVILLE SC 29606 32997 BOURNS INC TRIMPOT PRODUCTS DIV 1200 COLUMBIA AVE RIVERSIDE CA 92507 34335 ADVANCED MICRO DEVICES 901 THOMPSON PL SUNNYVALE CA 94...

Page 191: ...r Address City State Zip Replaceable Electrical Parts 7D20 T0987 SEMI PROCESSES INC 1971 N CAPITOL AVE SAN JOSE CA 95132 T1015 MUSASHI WORKS OF HITACHI LTD 1450 JOSUIHON CHO KODAIRA SHI TOKYO JAPAN T1282 XICOR INC 851 BUCKEYE COURT MILPITAS CA 95035 REV JUL 1985 6 3 ...

Page 192: ...0009 670 7324 00 A10 670 7324 01 8040400 8062019 CKT BOARD ASSY TRIGGER 80009 670 7324 01 A10 670 7324 02 8062020 CKT BOARD ASSY TRIGGER 80009 670 7324 02 A11 670 7325 00 8010100 8050595 CKT BOARD ASSY TIME BASE 80009 670 7325 00 A11 670 7325 02 8050596 CKT BOARD ASSY TIME BASE 80009 670 7325 02 A12 119 1444 00 ATTENUATOR VAR CHANNEL 2 80009 119 1444 00 A13 119 1444 00 ATTENUATOR VAR CHANNEL 2 800...

Page 193: ...MENTARY 80009 263 0020 00 A1S311 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1S320 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1S321 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1S322 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1S323 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1S330 263 0020 00 SWITCH PB ASSY MOMENTARY 80009 263 0020 00 A1...

Page 194: ... LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS203 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS220 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS221 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS230 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS231 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS240 150 1036 00 LAMP LED RED 3 OV 40MA 01295 TIL 209A A2DS301 150 1...

Page 195: ...25W 57668 NTR25JE01K0 A2R300 307 0592 00 RES NTWK FXD FI 9 220 OHM 2 2W 91637 MSP10A01 221G A2R301 307 0717 00 RES NTWK FXD FI 4 100 OHM 2 0 3W 11236 750 83 R100 A2R305 307 0592 00 RES NTWK FXDFI 9 2200HM 2 2W 91637 MSP10A01 221G A2R310 315 0221 00 RES FXD CMPSN 220 OHMS 0 25W 57668 NTR25J E220E A2R320 307 0790 00 RES NTWK FXD FI 5 220 OHM 2 0 15W 01121 206A221 A2R341 315 0221 00 RES FXD CMPSN 220...

Page 196: ...0 CAP FXD CER DI 1 8PF 0 1 500V 96733 R2731 A3C690 281 0755 00 CAP FXD CER DI 1 8PF 0 1 500V 96733 R2731 A3L680 108 0598 00 COIL RF 2000H 80009 108 0598 00 A3L820 108 0598 00 COIL RF 2000H 80009 108 0598 00 A3L825 108 0598 00 COIL RF 2000H 80009 108 0598 00 A3L840 108 0598 00 COIL RF 2000H 80009 108 0598 00 A3R310 307 0717 00 RES NTWK FXD F1 4 100 OHM 2 0 3W 11236 750 83 R100 A3R410 307 0717 00 RE...

Page 197: ...AP FXD CER DI 0 1UF 20 50V 04222 MA205E104MAA A4C530 290 0943 00 CAP FXD ELCTLT 47UF 50 10 25V 55680 ULB1E470TECANA A4C540 281 0763 00 CAP FXD CER DI 47PF 10 100V 04222 MAlOlA470KAA A4C541 281 0786 00 CAP FXD CER DI 150PF 10 100V 04222 MAlOlA151KAA A4C550 281 0763 00 CAP FXD CER DI 47PF 10 100V 04222 MA101A470KAA A4C600 281 0773 00 CAP FXD CER DI O IUF 20 50V 04222 MA201C103KAA A4C610 281 0808 00 ...

Page 198: ...5 00 CAP FXD CER DI 10PF 5 200V 96733 TDR438Y100DP A4C912 C912 SELECTED A4C913 283 0140 00 B010100 8040399 CAP FXD CER DI 4 7PF 5 5pV 72982 8101E003A479C A4C913 283 0260 00 B010100 B040399 CAP FXD CER DI 5 6PF 5 20pV 51642 150 200NP0569C A4C913 283 0157 00 8010100 B040399 CAP FXD CER DI 7PF 5 50pV 59660 81118065COH0709D A4C913 283 0175 00 8010100 8040399 CAP FXD CER DI 10PF 5 20pV 96733 TDR438Y100...

Page 199: ...UF 50 10 25V 55680 ULB1E470TECANA A4C1130 290 0943 00 CAP FXD ELCTLT 47UF 50 10 25V 55680 ULB1E470TECANA A4Ci131 281 0823 00 CAP FXD CER DI 470PF 10 50V 04222 MA105A471KAA A4C1132 281 0773 00 CAP FXD CER DI O lUF 20 50V 04222 MA201C103KAA A4C1140 290 0943 00 CAP FXD ELCTLT 47UF 50 10 25V 55680 ULB1 E470TECANA A4C1141 281 0775 00 CAP FXD CER DI 0 1UF 20 50V 04222 MA205E104MAA A4C1200 281 0812 00 CA...

Page 200: ...V D0 35 12969 NDP0263 1N4152 A4L210 108 0538 00 COIL RF FIXED 2 7UH 76493 JWM B7059 A4L211 108 0538 00 COIL RF FIXED 2 7UH 76493 JWM 87059 A4L220 108 0538 00 COIL RF FIXED 2 7UH 76493 JWM 87059 A4L221 108 0245 00 COIL RF 3 9UH 76493 86310 1 A4L222 108 0245 00 COIL RF 3 9UH 76493 86310 1 A4L230 108 0245 00 COIL RF 3 9UH 76493 86310 1 A4L320 108 0245 00 COIL RF 3 9UH 76493 B6310 1 A4L420 108 0245 00...

Page 201: ...9 02 TRANSISTOR SILICON PNP SCREENED 80009 151 0369 02 A401051 151 0711 00 TRANSISTOR SILICON NPN 04713 SPS8224 A401230 151 0188 03 TRANSISTOR SILICON PNP SEL 80009 151 0188 03 A4R140 315 0202 00 RES FXD CMPSN 2K OHM 5 0 25W 57668 NTR25J E02K0 A4R200 315 0202 00 RES FXD CMPSN 2K OHM 5 0 25W 57668 NTR25J E02K0 A4R201 315 0202 00 RES FXD CMPSN 2K OHMS 0 25W 57668 NTR25J E02K0 A4R220 315 0563 00 RES ...

Page 202: ...9ROOF A4R510 321 0160 00 RES FXD FILM 453 OHM 1 0 125W 91637 CMF116G453ROF A4R511 321 0289 00 RES FXD FILM IOK OHM 1 0 125W 91637 MFF1816G10001F A4R512 321 0160 00 RES FXD FILM 453 OHM 1 0 125W 91637 CMF116G453ROF A4R513 321 0043 00 RES FXD FILM 27 4 OHM 1 0 125W 91637 CMF55116G27R40F A4R514 321 0289 00 RES FXD FILMaOK OHM 1 0 125W 91637 MFF1616G10001F A4R515 321 0085 00 RES FXD FILM 75 OHM 1 0 12...

Page 203: ...3 00 RES FXD FILM 147 OHM 1 0 125W 91637 CMF55116G147ROF A4R704 315 0102 00 RES FXD CMPSN 1 K OHMS 0 25W 57668 NTR25JE01 KO A4R705 321 0214 00 RES FXD FILM 1 65K OHM 1 0 125W 91637 MFF1816G16500F A4R706 315 0102 00 RES FXD CMPSN IK OHMS 0 25W 57668 NTR25JE01K0 A4R707 315 0510 00 RES FXD CMPSN 51 OHM 5 0 25W 57668 NTR25J E51 EO A4R708 315 0683 00 RES FXD CMPSN 68K OHM 5 0 25W 57668 NTR25J E68K0 A4R...

Page 204: ...80F A4R854 321 0105 00 RES FXD FILM 121 OHM 1 0 125W 91637 CMF55116G121ROF A4R900 315 0203 00 RES FXD CMPSN 20K OHM 5 0 25W 57668 NTR25J E20K0 A4R901 315 0203 00 RES FXD CMPSN 20K OHMS 0 25W 57668 NTR25J E20K0 A4R902 311 1551 00 RES VAR NONWIR TRMR iM OHM 0 50W 73138 91 73 0 A4R910 315 0105 00 RES FXD CMPSN IM OHMS 0 25W 57668 NTR255 E 1M A4R911 315 0105 00 RES FXD CMPSN IM OHMS 0 25W 57668 NTR255...

Page 205: ...TR25J E390E A4R1031 315 0330 00 RES FXD CMPSN 33 OHMS 0 25W 57668 NTR25J E 33E A4R1032 321 0231 00 RES FXD FILM 2 49K OHM 1 0 125W 91637 MFF1816G24900F A4R1033 311 1565 00 RES VAR NONWIR 250 OHM 20 0 50W 73138 91 87 0 A4R1034 315 0131 00 RES FXD CMPSN 130 OHMS 0 25W 57668 NTR25J E 130E A4R1040 321 0305 00 RES FXD FILM 14 7K OHM 1 0 125W 91637 MFF1816G14701F A4R1041 321 0011 00 RES FXD FILM 12 7 OH...

Page 206: ...300 MICROCIRCUIT LI OPERATIONALAMPLIFIER CHK 04713 MC1741CPiDS A4U340 156 0515 02 MICROCIRCUIT DI TRIPLE 3 CHAN MUX SEL 80009 156 0515 02 A4U350 156 0515 02 MICROCIRCUIT DI TRIPLE 3 CHAN MUX SEL 80009 156 0515 02 A4U530 156 0853 02 MICROCIRCUIT LI DUAL OPNL AMPL CHK 04713 LM358J A4U710 155 0216 00 MICROCIRCUIT LI PLRT INV TRIG PICK OFF 80009 155 0216 00 A4U740 155 0216 00 MICROCIRCUIT LI PLRT INV ...

Page 207: ... SELECTED ASC421 281 0216 00 8050484 CAP VAR CER DI 0 8 6 8PF 400V 52763 311609151 A5C430 283 0177 00 CAP FXD CER DI 1 UF 80 20 25V 04222 SR302E105ZAA ASC431 290 0776 00 CAP FXD ELCTLT 22UF 50 10 10V 55680 ULA1A220TEA A5C450 290 0782 00 CAP FXD ELCTLT 4 7UF 75 10 35V 55680 ULA1V4R7TEA ASC451 290 0776 00 CAP FXD ELCTLT 22UF 50 10 10V 55680 ULA1A220TEA A5C452 283 0177 00 CAP FXD CER DI 1UF 80 20 25V...

Page 208: ... ASC760 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 MA205E104MAA A5C770 281 0775 00 CAP FXD CER DI 0 1UF 20 50V 04222 MA205E104MAA A5C780 281 0775 00 CAP FXD CER DI O lUF 20 SOV 04222 MA205E104MAA A5C850 281 0819 00 CAP FXD CER DI 33PF 5 50V 72982 8035BCOG330 A5C851 281 0819 00 CAP FXD CER DI 33PF 5 50V 72982 8035BCOG330 A5C860 281 0759 00 CAP FXD CER DI 22PF 10 100V 96733 R2735 A5C861 281 0759...

Page 209: ...RF 3 9UH 76493 86310 1 A5L380 108 0245 00 COIL RF 3 9UH 76493 86310 1 A5L381 108 0245 00 COIL RF 3 9UH 76493 86310 1 ASL430 108 0740 00 TRANSFORMER RF 225NH 80009 108 0740 00 A5L450 108 0740 00 TRANSFORMER RF 225NH 80009 108 0740 00 A5L460 108 0740 00 TRANSFORMER RF 225NH 80009 108 0740 00 A5L472 108 0740 00 TRANSFORMER RF 225NH 80009 108 0740 00 ASL480 108 0245 00 COIL RF 3 9UH 76493 86310 1 A5L8...

Page 210: ...0 TRANSISTOR SILICON NPN 04713 SPS8223 A50571 151 0448 00 TRANSISTOR SILICON NPN 04713 SRF504 A50610 151 0188 03 TRANSISTOR SILICON PNP SEL 80009 151 0188 03 A50611 151 0188 03 TRANSISTOR SILICON PNP SEL 80009 151 0188 03 A50620 151 0188 03 TRANSISTOR SILICON PNP SEL 80009 151 0188 03 A5Q621 151 0188 03 TRANSISTOR SILICON PNP SEL 80009 151 0188 03 A50710 151 1054 02 TRANSISTOR SILICON FET N CHANNE...

Page 211: ...0 25W 57668 NTR25J E 22E ASR253 315 0751 00 RES FXD CMPSN 750 OHM 5 0 25W 57668 NTR25J E750E A5R254 315 0203 00 RES FXD CMPSN 20K OHMS 0 25W 57668 NTR25J E20K0 A5R260 321 0111 00 RES FXD FILM 140 OHM 1 0 125W 91637 CMF55116G140ROF A5R261 321 0233 00 RES FXD FILM 2 61KOHM 1 0 125W 91637 MFF1816G26100F A5R262 321 0027 00 RES FXD FILM 18 7 OHM 1 0 125W 91637 CMF110216G18R70F A5R263 315 0620 00 RES FX...

Page 212: ...37 MFF1816G12401F A5R423 321 0119 00 RES FXD FILM 169 OHM 1 0 125W 91637 CMF55116G169ROF A5R424 321 0202 00 RES FXD FILM 1 24K OHM 1 0 125W 91637 CMF55116G12400F A5R425 321 0329 00 RES FXD FILM 26 1KOHM 1 0 125W 91637 MFF1816G26101F A5R426 321 0243 00 RES FXD FILM 3 32K OHM 1 0 125W 91637 MFF1816G33200F A5R430 321 0144 00 RES FXD FILM 3090HM 1 0 125W 91637 CMF55116G309ROF A5R431 321 0133 00 RES FX...

Page 213: ...02F A5R680 321 0298 00 RES FXD FILM 12 4K OHM 1 0 125W 91637 MFF1816G12401F A5R681 321 0298 00 RES FXD FILM 12 4K OHM 1 0 125W 91637 MFF1816G12401F A5R682 315 0510 00 B010100 8050730 RES FXD CMPSN 510HM 5 0 25W 57668 NTR25J E51E0 A5R683 315 0151 00 RES FXD CMPSN 150 OHM 5 0 25W 57668 NTR25J E150E ASR684 315 0151 00 RES FXD CMPSN 150 OHM 5 0 25W 57668 NTR25J E150E A5R710 315 0303 00 RES FXD CMPSN 3...

Page 214: ...0151 00 RES FXD CMPSN 150 OHM 5 0 25W 57668 NTR25J E150E ASR980 321 0241 00 RES FXD FILM 3 16K OHM 1 0 125W 91637 MFF1816G31600F A5R981 321 0219 00 RES FXD FILM 1 87K OHM 1 0 125W 91637 MFF1816G18700F A5R982 321 0260 00 RES FXD FILM 4 99K OHM 1 0 125W 91637 MFF1816G49900F ASR983 321 0241 00 RES FXD FILM 3 16K OHM 1 0 125W 91637 MFF1816G31fi00F A5R1011 321 0362 00 RES FXD FILM 57 6K OHM 1 0 125W 91...

Page 215: ...GATE 04713 SC22689 A5U871 156 0860 02 MICROCIRCUIT DI TRIPLE LINE RECEIVER SCRN 04713 MC10116PD LD A5U930 156 1590 00 MICROCIRCUIT LI A D CONV 400NS 01281 TDS5318 A5U950 156 0158 07 MICROCIRCUIT LI DUAL OPNL AMPL SCREENED 01295 MC1458JG4 A5U960 156 0383 02 MICROCIRCUIT DI QUAD 2 INP NOR GATE 01295 SN74LS02 A5U1050 156 0514 01 MICROCIRCUIT DI DIFF 4 CHANNEL MUX SEL 80009 156 0514 01 A5VR1010 152 03...

Page 216: ... 1 100V 00853 D155F191F0 A6C1221 283 0636 00 CAP FXD MICA D 36PF 1 4 100V 00853 D155E36000 A6C1315 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A6C1316 283 0421 00 CAP FXD CER DI O tUF 80 20 50V 04222 MD015C104MAA A6C1317 283 0421 00 CAP FXD CER DI O IUF 80 20 50V 04222 MD015C104MAA A6C1325 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A6C1420 290 0943 00 CAP FXD E...

Page 217: ...637 CMF55116G909ROF A6R910 321 0093 00 RES FXD FILM 90 9 OHM 1 0 125W 91637 MFF1816G90R90F A6R911 321 0260 00 RES FXD FILM 4 99K OHM 1 0 125W 91637 MFF1816G49900F A6R912 321 0193 00 RES FXD FILM IK OHM 1 0 125W 19701 5043ED1KOOF A6R913 321 0210 00 RES FXD FILM I SK OHM 1 0 125W 91637 MFF1816Gi5000F A6R914 321 0612 00 RES FXD FILM 500 DHM 1 0 125W 91637 MFF1816G500ROF A6R915 321 0222 00 RES FXD FIL...

Page 218: ... A6U310 156 0994 02 MICROCIRCUIT DI B INPUT DATA SEL MUX 01295 SN74LS151NP3 A6U320 156 1045 01 MICROCIRCUIT DI QUAD 2 INPUT MUX W STORAGE 80009 156 1045 01 A6U400 156 0733 02 MICROCIRCUIT DI DUAL MONOSTABLE MV SCRN 01295 SN74LS221N3 A6U410 156 0982 03 MICROCIRCUIT DI OCTAL D EDGE FF SCRN 01295 SN74LS374 N3 A6U420 156 0865 02 MICROCIRCUIT DI OCTAL D TYPE FF W CLEAR 01295 SN74LS273NP3 A6U500 156 038...

Page 219: ... 2UF 20 50V 51642 400 050 ZSU205M A7C650 290 0932 00 CAP FXD ELECT 390UF 100 10 15VDC 56289 6720676 A7C750 290 0746 00 CAP FXD ELCTLT 47UF 50 10 16V 55680 ULA1C470TEA A7C760 281 0770 00 CAP FXD CER DI 1000 PF 20 100V 96733 R2745 A7C763 281 0770 00 CAP FXD CER DI 1000 PF 20 100V 96733 R2745 A7C764 283 0177 00 CAP FXD CER DI 1 UF 80 20 25V 04222 SR302E105ZAA A7C810 281 0775 00 CAP FXD CER DI 0 1UF 2...

Page 220: ... RES FXD FILM 49 9K OHM 0 5 0 125W 91637 MFF1816G49901D A7R417 315 0562 00 RES FXD CMPSN 5 6K OHM 5 0 25W 57668 NTR25J E05K6 A7R419 315 0621 00 RES FXD CMPSN 620 OHM 5 0 25W 57668 NTR25J E620E A7R610 315 0202 00 RES FXD CMPSN 2K OHMS 0 25W 57668 NTR25J E02K0 A7R611 321 0251 00 RES FXD FILM 4 02K OHM 1 0 125W 91637 MFF1816G40200F A7R612 321 0293 00 RES FXD FILM IIK OHM 1 0 125W 91637 MFF1816G11001F...

Page 221: ...76 315 0102 00 RES FXD CMPSN IK OHM 5 0 25W 57668 NTR25JE01K0 A7R877 307 0106 00 RES FXD CMPSN 4 7 OHM 5 0 25W 01121 CB47G5 A7RT653 307 0126 00 RES THERMAL 100 OHM 10 14193 2D21 101 D A7T340 120 1356 00 XFMR PWR STPDN HF CONVERTOR 80009 120 1356 00 A7U220 156 0277 00 MICROCIRCUIT LI VOLTAGE REGULATOR 07263 MICROA7805UC A7U310 156 1225 01 MICROCIRGUIT LI DUAL COMPARATOR SCREENED 27014 LM393N A A7U6...

Page 222: ... ASL1721 108 0538 00 COIL RF FIXED 2 7UH 76493 JWM B7059 A8R320 315 0332 00 RES FXD CMPSN 3 3K OHMS 0 25W 57668 NTR25J E03K3 A8R625 315 0332 00 RES FXD CMPSN 3 3K OHM 5 0 25W 57668 NTR25J E03K3 A8R720 315 0332 00 RES FXD CMPSN 3 3K OHM 5 0 25W 57668 NTR25J E03K3 A8R1125 315 0332 00 RES FXD CMPSN 3 3K OHMS 0 25W 57668 NTR25J E03K3 A8R1225 315 0332 00 RES FXD CMPSN 3 3K OHM 5 0 25W 57668 NTR25J E03K...

Page 223: ...4 BIT MAGNITUDE CMPRTR 01295 SN74LS85 A8U1210 156 0529 02 MICROCIRCUIT DI DATA SELECTOR SCRN 01295 SN74LS257 NP3 A8U1220 156 0874 02 MICROCIRCUIT DI B BIT ADDRESSABLE LCH 04713 SN74LS259 A8U1310 156 0529 02 MICROCIRCUIT DI DATA SELECTOR S CRN 01295 SN74LS257 NP3 ASU1320 156 0383 02 MICROCIRCUIT DI QUAD 2 INP NOR GATE 01295 SN74LS02 A8U1410 156 0529 02 MICROCIRCUIT DI DATA SELECTOR SCRN 01295 SN74L...

Page 224: ...MAA A9C621 281 0775 00 CAP FXD CER DI O lUF 20 50V 04222 MA205E104MAA A9C622 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 MA205E104MAA A9C623 281 0791 00 CAP FXD CER DI 270PF 10 100V 04222 MA101C271KAA A9C624 281 0785 00 CAP FXD CER DI 68PF 10 100V 04222 MAlOlA680KAA A9C715 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 MA205E104MAA A9C800 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 MA205E104...

Page 225: ...91637 CSC10A01393G A9R920 321 0280 00 RES FXD FILM 8 O6K OHM 1 0 125W 91637 MFF1816G80600F A9R922 321 0285 00 RES FXD FILM 9 09K OHM 1 0 125W 91637 MFF1816G90900F A9R925 315 0151 00 8061870 RES FXD CMPSN 150 OHM 5 0 25W 57668 NTR25J E150E A9R1000 307 0650 00 RES NTWK FXO FI 9 2 7K OHMS 0 150W 32997 4310R 101 272 A9R1001 307 0637 00 RES NTWK FXD FI 5 2K OHM 2 0 125W 01121 206A202 A9U100 156 1654 00...

Page 226: ...CROCIRCUIT D1 3 8 LINE DCDR 01295 SN74LS138NP3 A9U720 156 0721 02 MICROCIRCUIT DI QUAD 2 IN NAND SCHMITT TRI 04713 SN74LS132NDS A9U725 156 0383 02 MICROCIRCUIT DI QUAD 2 INP NOR GATE 01295 SN74LS02 A9U800 156 1594 00 MICROCIRCUIT DI 2048 X 8 SRAM T1015 HM6118P 3 DP 24 A9U810 156 0382 02 MICROCIRCUIT DI QUAD 2 INP NAND GATE 01295 SN74LS00 A9U815 156 0386 02 MICROCIRCUIT DI TRIPLE 3 INP NAND GATE 27...

Page 227: ...ER DI 0 1UF 80 20 50V 04222 MD015C104MAA A10C500 281 0810 00 CAP FXD CER DI 5 6PF 0 5 100V 04222 MA101A5R6DAA A10C510 290 0847 00 CAP FXD ELCTLT 47UF 50 10 10V 54473 ECE B1AV470S A10C520 290 0847 00 CAP FXD ELCTLT 47UF 50 10 10V 54473 ECE B1AV470S A10C530 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A10C546 283 0198 00 CAP FXD CER DI 0 22UF 20 50V 04222 ADVISE A10C600 290 0778 00 ...

Page 228: ... 35 12969 NDP0263 1N4152 A10CR831 152 0141 02 SEMICOND DVC DI SW SI 30V i50MA 30V D0 35 12969 NDP0263 1N4152 A10CR840 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 12969 NDP0263 1N4152 A10CR841 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 12969 NDP0263 1N4152 A10CR901 152 0141 02 SEMICOND DVC DI SW SI 30V 150MA 30V D0 35 12969 NDP0263 1N4152 A10CR902 152 0141 02 SEMICOND DVC DI SW...

Page 229: ...lOKO AtOR134 321 0068 00 RES FXD FILM 49 9 OHM 1 l 125W 91637 CMF55116G49R90F AlOR135 321 0068 00 RES FXD FILM 49 9 OHM 1 0 125W 91637 CMF55116G49R90F AlOR140 315 0510 00 RES FXD CMPSN 51 OHM 5 0 25W 57668 NTR25J E51E0 AlOR141 315 0510 00 RES FXD CMPSN 5IOHM 5 0 25W 57668 NTR25J E51E0 AlOR142 315 0510 00 RES FXD CMPSN 5IOHM 5 0 25W 57668 NTR25J ES1E0 A10R143 315 0751 00 RES FXD CMPSN 750 OHMS 0 25...

Page 230: ...532 321 0510 00 RES FXD FILM 2M OHM 1 0 125W 91637 HFF188G20003F A10R533 321 0423 00 8010100 8050730 RES FXD FILM 249K OHM 1 0 125W 91637 CMF55116G24902F A10R533 321 0421 00 8050731 RES FXD FILM 237K OHM 1 0 125W 91637 MFF1816G23702F A10R534 321 0510 00 RES FXD FILM 2M OHM 1 0 125W 91637 HFF188G20003F A10R535 315 0244 00 RES FXD CMPSN 240K OHM 5 0 25W 57668 NTR25J E 240K A10R540 321 0418 00 RES FX...

Page 231: ...15 0103 00 RES FXD CMPSN 1 OK OHM 5 0 25W 57668 NTR25J E10K0 A10R801 321 0069 00 RES FXD FILM 51 1 OHM 1 0 125W 91637 CMF55116G51R10F A10R802 321 0222 00 RES FXD FILM 2K OHM 1 0 125W 91637 MFF1816G20000F A10R803 315 0302 00 RES FXD CMPSN 3K OHM 5 0 25W 57668 NTR25J E03K0 A10R810 321 0222 00 RES FXD FILM 2K OHM 1 0 125W 91637 MFF1816G20000F AtOR811 315 0202 00 RES FXD CMPSN 2K OHMS 0 25W 57668 NTR2...

Page 232: ...TR25J E05K1 A10R1040 315 0566 00 RES FXD CMPSN 56M OHM 5 0 25W 01121 CB5665 A10R1041 315 0566 00 RES FXD CMPSN 56M OHMS 0 25W 01121 CB5665 A10R1042 321 0473 00 RES FXD FILM 825K OHM 1 0 125W 91637 MFF1816G82502F A10R1043 315 0511 00 RES FXD CMPSN 510 OHMS 0 25W 57668 NTR25J E 510E A10T500 120 0444 00 XFMR TOROID S TURNS BIFILAR 80009 120 0444 00 A10T600 120 0444 00 XFMR TOROID 5 TURNS BIFILAR 8000...

Page 233: ...22 MD015C104MAA A11C1330 283 0421 00 CAP FXD CER DI O IUF 80 20 50V 04222 MD015C104MAA A11C1430 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A11C1630 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A11C1700 283 0421 00 CAP FXD CER DI 0 1UF 80 20 50V 04222 MD015C104MAA A11CR700 152 0066 00 SEMICOND DVC DI RECT SI 400V 1A D0 41 05828 GP10G 020 A11CR701 152 0066 00 SEMI...

Page 234: ...OHM 5 0 25W 57668 NTR25J E10K0 A11R720 315 0820 00 RES FXD CMPSN 820HM 5 0 25W 57668 NTR25J E82E0 A11R721 315 0681 00 RES FXD CMPSN 6800HM 5 0 25W 57668 NTR25J E680E A11R722 315 0222 00 RES FXD CMPSN 2 2K OHMS 0 25W 57668 NTR25J E02K2 A11R723 315 0153 00 RES FXD CMPSN I5K OHM 5 0 25W 57668 NTR25J E 15K A11R724 321 0239 00 RES FXD FILM 3 OIKOHM 1 0 125W 24546 CT553011 F A11R730 321 0164 00 RES FXD ...

Page 235: ... MHZ PRESETTABLE BIN 01295 SN74LS197 A11U1410 156 0385 02 MICROCIRCUIT DI HEX INVERTER 01295 SN74LS04 A11U1420 156 1040 01 MICROCIRCUIT DI 2 WIDE 2 INPUT INVERT GATE 80009 156 1040 01 A11U1500 156 0629 01 MICROCIRCUIT DI 30 MHZ PRESETTABLE BIN 01295 SN74LS797 A11 01510 156 0796 01 MICROCIRCUIT DI B STG SHF STORE BUS RGTR 80009 156 0796 01 A11 01520 156 0910 02 MICROCIRCUIT DI DUAL DECADE COUNTER 0...

Page 236: ... 00 8010100 8062079 RELAY ARMATURE 4 CONT 250MA COIL 7VDC 80009 148 0138 00 A13K104 148 0138 01 8062080 RELAY ARMATURE 4 CONT 250MA COIL 7VDC 80009 148 0138 01 Tektronix Serial Model No Mfr Component No Part No Eff Dscont Name Description Code Mfr Part Number A12 119 1444 00 ATTENUATOR VAR CHANNEL 2 80009 119 1444 00 A12K101 148 0138 00 RELAY ARMATURE 4 CONT 250MA COIL 7VDC 80009 148 0138 00 A12K1...

Page 237: ...agram is used to illustratethe circuitry on corresponding component locator illustration The a circuit board the circuit board illustration may only Replaceable Electrical Parts list is arranged by assemblies appear opposite the first diagram on which it was il in numerical sequence the components are listed by lustrated the lookup table will list the diagram number of component number see followi...

Page 238: ...ISTINGS L PLASTIC CASED J PLASTIC POWER TRANSISTORS TRANSISTOR BOTTOM I I I1 1 BOTTOM I I BOTTOM VIEW VIEW VIEW R a4 0 C C Bl S E CASE DUAL JFET DUAL NPN DMOS FET LIGHT EMITTING SIGNAL DIODE DIODE L E D INDEX HIGHEST PIN I I i NUMBER INDEX 1 INTEGRATED CIRCUITS Figure 7 1 Semiconductor Lead Configurations INDEX INDEX PIN NUMBER SEQUENCE PATH IC PINS ARE NUMBERED COUNTERCLOCKWISE FROM THE INDEX VIE...

Page 239: ...Diagram Name Number Location Number Name Number Attenuator CH 1 A72 4 A1 Switch 1 Attenuator CH 2 A13 4 A2 LED 2 5 7 8 9 CCD A5 6 7 A3 Interconnect 3 5 7 8 9 Display A6 5 8 9 A4 Preamp 4 5 9 Interconnect A3 3 5 7 8 9 A5 CCD 6 7 LED A2 2 5 7 8 9 A6 Display 5 8 9 Memory A8 11 A7 Power Supply 10 MPU A9 5 9 12 A8 Memory 11 Power Supply A7 10 A9 MPU 5 9 12 Preamp A4 4 5 9 A10 Trigger 8 9 13 Switch A1 1...

Page 240: ...121 5223 5230 S130 S231 DS240 S240 5140 8141 S142 Chassis mountedcomponents have no Assembly Number prefix see end of Replaceable Electrical Parts List S143 S200 5201 S202 S300 S301 5302 DS480 5400 S401 5402 5203 5204 S20S S303 5304 S210 S211 5310 S311 0310 G310 C420 w S320 ro m 5321 S420 5241 S340 _ _ X230 X1600 S403 S404 S405 S410 5411 S412 S413 S414 iS41S S430 Figure 7 3 A1 Switch circuit board...

Page 241: ...A1 SWITCH BOARD ...

Page 242: ...F1 S203 81 C2 5401 E1 F1 J600 G1 F1 5204 81 C2 5402 E1 G1 5205 C1 D2 5403 E1 F2 P250 A4 D4 5210 81 C2 S404 E1 F2 S211 C1 C2 5405 E1 G2 R120A F2 B2 5220 82 C3 5410 E2 F2 R1208 F3 82 5221 C2 C3 5411 E2 F2 R120C F1 82 5222 D2 D3 5412 E2 G2 R120D F1 82 5223 B2 C3 S413 E2 F2 R120E F2 82 S224 C2 C3 S414 E2 F2 R120F F2 82 5225 D2 D3 5415 E2 G2 R120G F2 82 5230 B2 C3 5420 E2 F2 R120J F1 B2 5231 B2 C4 5421...

Page 243: ... l _ _ o oN np F A2 AO A1 0 KEYSEL D524B O 290 DL REMOTE 5142 2 r I II 4 GNDI 7 L 1 KNOBSEL L A3 A SYITCH BOARD 7 2m LH1 AOR MODE CURSORS CURSORS oc szz3 sl z z6 aP sszptsN slzz CH2 AqR MODE AL i AD 52 1 __ 5 5232 3233N __ 5140 LH2 I AQR MODE GNO _ LH2 y 2 tROSd iTEST REMOTE 5141 I I 5231 I I 5241 I 1 5348 I I S Sy ONLY a L U320 74L5156 YB Y 1 o Y1 1i 2 1 Yz Y 7 0 Y I Y2 LH2 INV IO _ 5143 5240 TYP...

Page 244: ...TRIGGERING CURSORS CURSOR VFM MODE SOURCE 5 f D OFF VS NORM CH2 I R12BG S222 5311 5410 5412 B 4 7F 17 CURSORS s2zs 3 HDLS NEZr s4 I z5 TRIGGERING TRIGGERING SOURCE tAVE N 9 2 TRI S42B b 34 5 5233 fENV N C TRIG POS DC WO 5 R12BE S34B S33B 5321 3414 T 4 7k 14I I13 Dfi ITED ARE INVOKED BY SHIFT FUNLTIONI KEY 3858 781 REV JUL 1985 TRIGGERING I TRIGGERING MDDE CDUPIING TRIGGERING TRIGGERING I COUPLING ...

Page 245: ...AMPLE Assembly thematic Circuit Number Subassembly Number Number iil used Chassis mounted componeMS have no Assembly Number prefix see end of Replaceable Electrical Parts List A I s I C I I E I F I Figure 7 4 A2 LED circuit board assembly P800 D9 2 D O _ Dp 00 i 1 CSO C D 1 D 2 3 D 7k8 Dt3 P8 1 A2 3858 9 ...

Page 246: ...OI 00000 0 o 0 oon a0 o o DO oooo t 00 ooo 00 00 n n A2 3858 902 A2 LED BOARD ...

Page 247: ...F C3 83 R7008 D3 F2 DS230 G1 C3 R125G F3 B3 R7000 D3 F2 DS231 G1 C4 R125H C2 B3 R700E D2 F2 DS240 C3 84 R125J C2 83 R700F 02 F2 DS301 F3 C1 R130 A2 84 R7000 D1 F2 DS303 F3 D1 R200 A1 B2 R700H D1 F2 DS305 F1 D2 R202 A3 B1 R700J D2 F2 DS307 F2 D2 R203A A5 B2 R740 A3 F4 DS310 F2 C2 R203C A5 82 R800A E1 G2 DS311 F2 C2 R203D A5 B2 R8008 E3 G2 OS320 H2 C3 R203 H5 82 R8000 E3 G2 DS321 H1 D3 R233 A3 B3 R8...

Page 248: ... esass o n sse s aF 0730 c I I I cur s s vrn 0 i o o os z szz osne zz oseiz zze c z I I I rs ccs nc crw c z I I I rsiccss nc noon I I I r s o I I r o I I I r o R F7 w e i _ iiiii REVsMARz1984 U a0 rs ccsn nc souses 0 ...

Page 249: ... k lJ k i l l ioiwi i oo gaoo 0120 o 7 E ar ISP e a A2 LE 3L RL 0330 nEnOR7 OISPE 7 0130 F I o320 220 1 F 1 03330 220 d 02 3 03 2 09 n 3 OS _ 3 L 2 OR MO aR 0 a a 0310 o f q j E r rt N J vr L 0 3Ent R L R E_ 223 3 0 LED BOARD 32 3 2530 038 2 R220 2 L3 5 _ i 0p ...

Page 250: ...MBER EXAMPLE Component Number A23 A2 R1234 Assembly Schematic Number Subas11semblyII Circuit Number it used Number Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List Figure 7 5 A3 Interconnect circuit board assembly 3958 903 ...

Page 251: ...INTERCONNECT BOARD ...

Page 252: ... C1 F3 R310A E1 C1 C690 G5 F4 J610 C6 F3 R3108 E1 C1 J710 B1 G3 R310C E1 C1 J110 G1 A3 J710 B6 G3 R310D E1 C1 J110 G6 A3 J810 A1 G1 R410A E1 C1 J210 F1 83 J830 A3 G3 R410B E1 C1 J210 F6 83 J840 A5 G4 R410C E1 C1 J310 E1 C3 R410D E1 C1 J310 E6 C3 L680 A3 F5 R760 A2 G2 J410 E1 D3 L820 A3 G2 R810 B2 G2 Partial A3 elso shown on diagram 5 CHASSIS MOUNTED PARTS GRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD NU ...

Page 253: ...mo P Ro RF783m Beam V FROR F ee R 1 o sF JS10 RO FoRER 1s1m Bo RO RFRa a1o RO v v v v ii v i v v i y v v v v v v V i ro taoR zas y y y y y i Y i y i I n J71m J61m Js1m J41m M 9 MM b MM b MM B NJr 8 MM FRO J N FROR Dn0 9 B ...

Page 254: ...e Jzie Jiie oz z 03 l 3 f s s s FRO r3 a sl _ _ r _ I _ Fao a V _ a e 2 a1 v I z i 3 _ _ 3 v I 5 _ _ 3si __ 3 E 3 a E E o a3ea a N 3 1 _ a a3aas 3 z a o s a z N oa os o s BN ERr a is H 3 o o P o s oa o 6 3 oa a CJ O A3 o ER ao ao INTERCONNECT W W N W ...

Page 255: ...Number Subassembly Circuit Number ilused Number Chassis mountedcomponents have na Assembly Number prefix see end of Replaceable Electrical Parls list A I B I C I D I E I F I G L2 10 L2f1 R4 Q 0 5 TR 00 R604 R 0 C100 R60S R102 0100 J 72 C600 0 8601 R403 R501 o 0 R101 R502 050f1 t 00 R602 4 R110 R510 R51 B r m 8610 C 0110 RS11 R512 oc uy C610 0610 R111 0110 R513 T610 0611 U71 0 R112 R514 R612 0613 R...

Page 256: ...020 8922 N Nrv G1021 nb r n C82Q A4 Preamp circuit board assembly 8831 a o _ 00 CH 17 a mw w rn aa C1Q10U 8813 F 910 ma 81010 CR101 C31f0 8811 o c 81011 Q1012 081110 v a 81012 Q1011 081111 0960 Q9i1 81013 d N oN 01053 rom 8950 oC105 _ x 8952 o U N 01051 R9 Q9S2x951 1 051 8 8 10621 R1160 REV MAY 1983 A13 ATTENUATOR BOARD UNDER ATTENUATOR COVER A72 ATTENUATOR BOARD UNDER ATTENUATOR COVER A4 um 8851 ...

Page 257: ...01221 B2 N3 01020 D2 K2 81043 E4 K4 01240 82 M4 01020 G3 K2 81044 D4 K4 01241 B2 M4 01021 E2 K2 81050 F4 K5 01242 A2 N4 01041 E4 K4 81051 C4 K5 01250 A4 M5 01042 D3 K4 81052 E5 K5 01251 B3 N5 01050 E4 K5 81100 D1 L2 01051 D5 K5 81101 D1 L1 081010 D2 K2 01051 G3 K5 81102 D1 L1 081020 D2 K2 01230 B2 N3 81103 D1 L1 081021 E2 K3 81110 D1 L2 081040 D4 K4 8900 E1 J1 81120 D2 L3 081050 D4 K5 8901 E1 J1 8...

Page 258: ...ONT PANEL by pressing MEMORY DISPLAY pushbutton number 5 e To return to MASTER MENU press MEMORY DISPLAY pushbutton number 6 To turn off MASTER MENU display press MENU Selectable Electrical Parts Table For Diagram 4 To improve transient response This may be required when semiconductors are replaced in the CH 1 Impedance Converter Amplifier and CH 1 Step Attenuator blocks To improve transient respo...

Page 259: ... SIB PC2 C125B i0 U35BC 5 R252 R253O 001 LR1230 PARTIAL A T PREANP BOARD K1 B1 I I 5 B I I OND I p I I I I 022 I Sic IB I IB I I I I 1AL IN IB IBB IBB I SV SV w KIB2 I K1BE I a15V 15V 1 L1123 L1110 3 9yH 97yF a15V 2 L112 3 94H g7yF SV SV I L112B L1BIB 3 9yH 97yF L702 SV2 3 9yH C1B40 97yF KI09 I L1121 3 9yH RIB51 IBBh SCREV ATTACHI NT POINT b LR1193 25Bh SV 1 V1 SV 2 V2 T 47yF V 15V 1 7 15V 1 RIIBB...

Page 260: ... 15V1 CR1141 0 6 3 19 12 13 7 8950 IM 1 I 5V I g9S0 LOMP 9 5 8945 Q951 10h L10s0 z le CR1040 8109 9 28 7 CR1050y I R9e7k 81247 81051 LR1051 5 7 81052 SV2 150 81150 909 15V1 VR1030 gg42 7 sV r1 1 r sV2 81090S 81091 19 7A 12 7 C1052 001 SV2 SV2 e ee 8992 10h C947 f9EL1 U930 H sV2 LM329 R1nsp T T 7 78 _E 8956 8997 C952 125 0 91019EL7 12 8946 8941 tSEL 1 4 L 8954 V2 75 0 1 5 8940 8994 50 0 8943 C940 2...

Page 261: ... CIRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION I NUMBER LOCATION LOCATION P310 A1 L3 I P310 H4 L3 PertialA9 also shown on diagrams 9 and 12 VERTICAL PREAMP AND CONTROL DIAGRAM 0611 E2 G2 0612 E1 F2 0613 E2 G2 0640 E6 F4 0641 E6 G4 0642 E5 F4 0643 E5 G4 0800 C2 H1 0801 C1 H1 0830 C6 H3 0831 C5 H4 R140 F4 A4 R200 G4 B1 R201 G4 B1 R220 E4 83 R230 G5 B4 R231 D3 B3 R232 F3 83 R240 G4...

Page 262: ...09 D2 G2 R710 E2 G2 R720 D3 G3 R721 D3 G3 R722 D2 G3 8723 D3 G3 R730 E5 G4 R731 C6 H4 R732 C5 G3 R733 D6 G3 R740 E6 G4 R741 D6 G4 R742 D5 G4 R743 D6 G4 R744 D6 G4 R745 D6 G4 R750 E5 G5 R751 D4 G5 R752 D4 G5 R753 C5 G5 R754 D4 G5 R800 C1 H1 R801 C1 H1 R802 C2 H1 R803 D2 H2 R810 D2 H2 R811 D2 H2 R812 C2 H2 R813 C1 H2 R820 D1 H2 R821 D3 H3 R822 D1 H3 R823 D1 H3 R825 C1 H2 R830 C5 H4 R831 C6 H4 R832 C...

Page 263: ...he display rotate the HOR POSITION control fully clockwise into the switch detent b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 c From displayed MASTER MENU list select UTILITIES by pressing MEMORY DISPLAY pushbutton number 4 d From displayed UTILITIES list select INIT FRONT PANEL by pressing MEMORY DISPLAY pushbutton number 5 e To return to MASTER MENU press MEMORY DI...

Page 264: ... A9 xro x x A3 II xx r 7D20 w xx a a z oe0i s a 3 _ I I I J o3 e m ra xs e s z m 000 s s s isxs isvs ros r ox or ssr rosins cenx0 aov REV APR 1984 Is s T ...

Page 265: ...aov REV APR 1984 VERTICAL PREAMP AND CONTROL ...

Page 266: ...2 TP331 TP430 R 2e a Q 21 r o R3Z1 E31 q 3Q R 30 R4 I U730 Caan _ Rt31 R a2 0631 Q631 _ n TP330 R31 L 3tJ C 3DC 10 CR6E1 Ud30 CtS31 n R6a1 RE11 ns 0 _C6t1 r Ga O R3 2 4 0 U O 11 N CE32 U740 i R3 3 06 1 r36 2 U rw C Q3 i R361 q tl _ _ C 62 A6 3 CR660 ____ wcr 60 CE62 R 60 R 62 R 63 C3eo L eCI eo 3 1 R3e1 Q 8362 Raa3 a el ream 03717 Ra71 n3y1 R371 C 90 C t7 i 7 R372 R171 62 8373 _ _ _ _ R aa O eO R ...

Page 267: ...521 C1 E2 C531 D1 F2 C532 G1 F3 C540 G1 E3 C541 D2 F3 C550 E2 F3 C551 E2 F3 C560 G5 E4 C562 02 F4 C563 D2 F4 C564 G1 F4 C570 G1 E4 C571 D2 F4 C572 D3 F4 C583 E3 F5 C584 E3 F5 C630 G1 G2 C631 C1 G2 C632 C1 G3 C633 D1 G3 C660 G2 G4 C670 G1 F4 C682 D3 F5 C683 C3 G5 C684 C3 G5 C760 G2 G4 C770 G1 G4 Partial A5 also shown on diagram 7 C780 G2 C850 D2 C851 D2 C860 C2 C861 C2 C880 G2 C921 G2 C930 G2 C931 ...

Page 268: ... C2 R321 F1 C2 R322 F1 C2 R323 F1 C2 R326 F3 C2 R330 w C4 C2 R340 C4 C3 R341 C4 D3 R342 C3 D3 R343 C4 D3 R344 D3 D2 R350 w C6 D3 R351 C3 D3 R352 w C4 D3 R360 C6 C4 R361 w C6 D4 R362 C6 D4 R363 C5 D4 R370 C6 D4 R371 C5 D4 R372 B5 C4 R373 B5 C4 R374 D4 D5 R375 D4 D5 R376 D6 D5 R377 C6 D4 R381 85 C5 CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION R431 D3 D2 R432 E2 E2 R440 D4 D3 R450 D4 D3 R451 D5 D3 R4...

Page 269: ... the CH 1 and CH 2 POSITION controls to midrange VOLTAGE CONDITIONS To horizontally center the display rotate the HORIZ POSITION control fully clockwise into the switch detent Initialize the 7D20 control settings as follows a Press MENU pushbutton will light b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 c From displayed MASTER MENU list select UTILITIES by pressing MEM...

Page 270: ...7 10 U63 c u mi f fi33 uru g691 o5Va q U659A U770B EFF 6N 81750483 U760B BELOW FF 6N 8050983 BLOW __ S p e w m LW TC9 F75 E R7 Of 1 I p 1 U65w 8 U770A U750A 777 ee z C uzeee ww iivw r Rf 3 9 U 5 0 soc e7wo 0553 n i _ EFF SN 5050983 _ BELOW ___ v 1 0361 0961 s T 7 v REV AUG 1983 ...

Page 271: ...uss6 S gsse a cam gssz av U9s6B QlFD 67F _ U nas 6 e B g316 v _ aaaa F z cs a sT ass ez csse casi caa c w a a zzvF s sa a a a __ 3 ax 0446 auaze uwo uw ro oss asz J aEri uzzwR e cco oRivERs ozs a e a a sm as e o w sza ...

Page 272: ... G1 R511 B4 F1 R962 A3 J3 P710 B5 G1 R522 D2 F2 R963 A1 K3 P710 F1 G1 R523 84 F2 R1011 F3 K1 P710 F2 G1 R524 B4 F2 R1020 F3 K1 P710 F3 G1 R610 D5 F1 R1030 E4 K2 P710 F4 G1 R611 D5 F1 R1031 E4 K3 0331 A3 D2 R612 C2 G1 R1040 E4 K3 Q430 A1 D2 R613 C2 G1 R1041 E4 K3 0480 A3 D5 R614 C2 G1 R1052 F2 K3 0481 A5 D5 R615 C2 G2 R1053 F2 K3 0510 D4 E2 R620 C5 F2 R1080 B4 K4 Q511 D2 E2 R621 C5 F2 R1081 B2 K5 Q...

Page 273: ... been extended Set the CH 1 and CH 2 POSITION controls to midrange To horizontally center the display rotate the HORIZ POSITION control fully clockwise into the switch detent Initialize the 7D20 control settings as follows a Press MENU pushbutton will light b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 c From displayed MASTER MENU list select UTILITIES by pressing MEMO...

Page 274: ... R511 100 CH2 CENTERING Rs10 CaBSp g720A Q720B BA G e e R74B 1 ___ J J 1 gn ___ 68510 1 0h I TO P700 I R407 215 Rs23 1 24h FOR COMPLETE INTERCONNECT BOARD SEE FOR COMPLETE LEO eoARo SEE O 2 P710 ae R23 20h PARTIAL AJ INTERCONNECT BOARD PARTIAL AZ LEO BOARD U 2 i40A 950 C740 200 T Q611 R6I4 1 IBh R613 I BA g620 R623 I 18F R615 509 R713 200X ISv g511 70 P700 2 R612 549 R1080 y s R742I 33 2h II B A P...

Page 275: ...6 2v 689 p5 AOS RI020 1L B20 A 0831 9 98A yF Oq A09 I 3h I V REF p 3 7 A03 VRIB10 6 2V RIB11 02 9A A02 fi 2V 57 fik T C1021y pl AOI 6 2V II 6 2V 001 19 LOMP 0 0 AW C922 22yF SV2 A D J1051 SVp SC _ 2 START R910 FROM P710 358 CONVERT I88 I 73 2 g950 T al 9 I CLOCK R1031 1 R931 750 CO 40 180 BUSY RIB9e g851 2x R1091 C950 R950 SVI 69 t th ISV ISV U1859 0952 ABCCDE FROM P71B IBA INHV X App FRIX1 P710 1...

Page 276: ...10 CR710 CR711 8712 0431 0611 ulzo uzzo uazo utzo uszo uszo u7zo 0 U600 L700 L900 8900 U806 U3100 81002 CBO1 TP8D0 8903 8901 R90t 8902 8906 8906 8907 8908 8908 R91D 8911 c711 C712 891 2 8711 8913 R is c91o R91 CB 1 1 8916 TP720 8920 8921 8922 fe121S _ e_ CB20 8921 GR920 Q100L RS _R1 _R1 R1 Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List ue20 8...

Page 277: ...112_ 11 U121S I assembly 01316 R1t18 R3117 R131 p C131B RIt1B C1317 N 81323 v N R132t 1t21 a J L1220 N 01325 U 81325 920 R1220 TPb910 T 10 REV JUL 1985 A6 ...

Page 278: ...10 C2 D4 TP1600 G4 K2 U510 F1 C3 CR711 C1 E4 TP1610 A4 K4 U520 E3 C5 L1621 A3 K5 U600 85 D2 0300 C2 83 U100A F1 A2 U620 E3 D5 R100A A3 B2 U1000 C4 A2 U1300 C5 H2 R100B 84 B2 U100D F1 A2 U1305 D5 H2 R100D A2 B2 U120A D2 A5 U1400 A4 J2 R100E C4 82 U120B D3 A5 U1500A F2 J2 R101 F1 A3 U200A A2 82 U1600A A2 K2 R102 D4 A3 U200B F1 B2 U1600B A2 K2 R103 C2 A3 U210 B4 B3 U16000 A2 K2 R105 C2 A3 U220A D3 85...

Page 279: ...A 7aLS3s3 D NC 02 2 r n 23 0210 7 LS30 I I I I I L U600B U600A 3 n aus7 ez0ilezai s i 0 C u m00 ui00 c s NG u as00B BB U 1 300 7 C37 ro usPE y _ I s nsolsvB r as _ s B sO I G upsle DD BDIBF rG rts D 2 s lO sv 3Z3F aZ Z3 E 3X I 0 7 L5 2 02208 7susnz B s o Nc 01305 7 LSn3 R102 BA 1 1 F m I _ _ _ O D sD Ee IrG ull eO s ro i tis sG u3 s F 5 G 3arv Enf D s s s r BO sFCI G rou3ze a 3BSB 7 B REV OCT 1982...

Page 280: ...z1 a 2lxlz LtE s Foft conPLEre Lso eon6o sEEO 72008 I eee2 U1500A 5 nasm o a Nc Oft b LBee L6e2 s SEE PA FqV SEnILON0UL70R rvPEB P A3 L INre LONEL7 7 ats e s a a L 6Z I B 3 aL529B 18 53 3 10 TBO 0 IB i 1e rRILLER BBAftO RI 6vm2e0l BB 610 n IB 000 SERIES 1F n MnIN INtERFALE ABOI6PA 01300 19 BOISPB 300 16 nB015PL U 300 I6 neoTsPE s see z seB iz oars see s uses Is oY0sE7 e B 3Y2nHZ 000 8 0 a001 HZIW ...

Page 281: ...IT SCHEM BOARD NUMBER LOCATION LOCATION I NUMBER LOCATION LOCATION I NU MBER LOCATION LOCATION C130 H3 C4 R134 H3 84 U230A G3 C4 C231 G3 D4 R135 H3 B5 U230B G3 C4 R220 H3 C4 R131 H3 C4 R230 G3 D4 W231w G3 D5 R132 G3 C4 R231w G3 D5 Partial A f 0 also shown on diagrams 8 and 13 DISPLAY ANALOG DIAGRAM O CIRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD NUMBER LOCATION LOCATION I NUMBER LOCATION LOCATION R801 C...

Page 282: ...manual Turn on oscilloscope mainframe power when A6 has been extended To horizontally center the display rotate the HORIZ POSITION control fully clockwise into the switch detent d From displayed UTILITIES List select INIT FRONT PANEL by pressing MEMORY DISPLAY pushbutton number 5 b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 m c From displayed MASTER MENU list select U...

Page 283: ...y l R l x ISV1 OAO LAIN 0 YRi BALANCE ATCE EN NC U1020 1 N 9y C OFFSE7 L cN7onc 0 3 Cwt 116080 OFF9E CaIP 9E Sv2 7 1svl R1we 1ex I 79 _ EB II 2 J SEL _ v1 _I v1 wA EC 3 w TP9w J I vTP2e see 1011 ualon R ss2 Rw7 351 I l R1200 750 0 R9757 MULTIPLE ER CI NC I 15v1 0325 395e 799 REV JUL 1985 RIBw r U1100 f FL_ 010 RI w7 R Ie 25 TvPE iLU7t 391s wl wa sew O3i5 7I1 0 w19 w 9 R821 9 09x Z 7 C920 ...

Page 284: ...A ss3z P83e Fz51 R250 C25e 267 30 R2 2 THIS CIRCUIT V yS R2 0 SHpVN ALSO IXI O 0U5553 28 R2F 5 Z 9 9 II U230 15 PARTIAL A4 PREAM BpARp US QB PARTIAL FOR COMPLETE MPU BOARD SEE A9 RI35 9 9 8230 s s M v A11 SIGNAL 1 1 ABOISPA 8 Aeo1sPB e u13e0 1s AeoTsvE us00 s B cA uses s ce uses z e uses 1s ooTS us00 12 B uses s uses Is EC U600 I6 8 Z POS 00 2 U1Oe0 15 820 LAIN qW U1300 9 e DISPLAY ANALOG BI1 SIGN...

Page 285: ...T NUMBER EXAMPLE Component Number R1234 Assembly thematic A I B I C s Circuit Number Subassembly Number Number il used Chassis mounted components have na Assembly Number prefix see end of Replaceable Electrical Parts List D F I G Figure 7 9 A7 Power Supply circuit board assen ...

Page 286: ...C610 R813 RBi1 R816 T O _1 R820 T U 7 R822 v suit board assembly REV OCT 1982 3858 907A ...

Page 287: ...10 C3 H1 R314 D5 E1 R872 F3 L5 C550 C4 G4 R315 D5 E1 R873 F3 L5 C640 F4 H3 R316 D5 E1 R874 F2 L5 C650 E3 J4 R330 B5 E2 R875 F2 L5 C750 D3 K3 R331 B5 E2 R876 F2 L5 C780 D3 K4 R410 E5 F1 R877 F2 L5 C763 C3 K4 R411 E5 F1 RT653 E1 J3 C764 B4 K4 R412 E5 F1 C810 E3 L2 R413 E5 F1 T340 C3 D4 C811 D2 L1 R414 E5 F1 TP610 E3 H2 C840 D3 L2 R415 F5 F1 TP620 C4 H2 C850 E3 L3 R416 E5 G1 TP660 E3 J5 R417 B6 G1 TP...

Page 288: ...e To horizontally center the display rotate the HORIZ POSITION control fully clockwise into the switch detent Initialize the 7D20 control settings as follows a Press MENU pushbutton will light VOLTAGE CONDITIONS b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 c From displayed MASTER MENU list select UTILITIES by pressing MEMORY DISPLAY pushbutton number 4 d From displaye...

Page 289: ...A 16V TLB72 LR761 C461 C66B 39ByF 39ByF f R313 4 99k SEE PARTS LIST FOR EARLIER VALUES AND SERIAL tVUMBER RAP IGES OF PARTS C7UTLINED QR DEPICTED IIV GREY 3668 718 REV MAR 1984 T R310 U310B BI 604 LM393 lV L usse TLB7i R231 47 L231 T 16VDLPL G R311 S 311 R3 I 47B 0 47 1 R312S CR311 R3 31 6h IB R T i 9 I 16VDCPL 7 4 19VDCPL ...

Page 290: ...M6ER RTS OUTLINED V GREY 3858 710 REV MAR 1984 GULATEC C311 8 47 CR7614 U310B LM393 SVL so so R663 U660B t9B ex R316 R315 180h SV R662 82 sk S 8664 SS 9B9 n Q7F mFi R419 3316k CR31 I R00h 620 1 U740A 74L6139 8650 IBB VRZV9 CR419 E9 181h 28Bh 4499k 16VDCPL R4I2 C410 R413 16 26h 8 22 91h ISV DCPL I 15VDCPL g415 4 C312 U310A L_A y F ISVDCPL 1 T 001 LM393 R476 C416 DCPL 49 9E 8 22 TP660 P860 POWER SUP...

Page 291: ...Section COMPONENT NUMBER EXAMPLE Component Number A23 A T 2 R 1234 Assembly I Schematic Circuit Number Subassembly Number Number il used Chassis mountedcomponents have no Assembly Number prefix see end of Replaceable Electrical Parts list Figure 7 10 A8 Memory circuit board assembly ...

Page 292: ...yard assembly A8 3858 908 ...

Page 293: ...10 A2 F3 0210 G5 83 01120 C3 G5 C920 A5 F5 0220 84 B5 01210 E3 G3 C1000 A5 F2 0300 H3 82 01220 82 G5 C1020 A5 F5 0310 G4 83 01310 E2 H3 C1110 A5 G3 0320 83 85 U1320A A4 H4 C1410 A5 H3 0400 H2 C2 U1320B C2 H4 C1420 A5 H4 0410 G4 C3 U1320C C3 H4 C1600 A5 K2 0420 81 C5 U1320D A3 H4 C1720 A2 K5 0500 D2 C2 01410 E1 H3 C1721 A5 K5 0510 G3 C3 U1420A B4 H4 0600 D2 D2 U1420B C1 H4 CR1621 A2 K5 0610 G2 D3 U...

Page 294: ... _ _ h U A __ _ _ U 2 y _ __ _ _ _ ____ r r r ozm C 1 4 u u o _ i __ w a r r L L L z r 1 L r 4 _ L 7 ...

Page 295: ...u yz x s 01 41 0 01210 R 0810 UJ10 0510 0410 roeca 0310 _ z a A8 nE ao Ro MEMORY BOARD ...

Page 296: ...Maintenance Section COMPONENT NUMBER EXAMPLE Assembly I Schematic 1 Circuit Number Subassembly Number Number il used Chassis mountedcomponents have no Rssembly Number prefix see end of Replaceable Electrical Parts List A I B I C I D I E I F Fig 7 11A A9 MPU circuit board asse ...

Page 297: ...1000 J13t1i J906 a J908 J907 uses uiolo C _ _ TP9 0 T 22 Y826 o a 1 1020 TP1020 uses L1021 TP1021 01021 TPQ2 TP1022 L1022 Re2o L1023 U720 U726 rafazi 08926 102101023 Ua26 Rszs L1021 8920 TP102 CIll7 1 TP l2 R8281s_ uezo circuit board assembly SN 8061870 up Ca21 8822 REV DEC 1984 3858 912 ...

Page 298: ...2 U720A D3 F4 C1021 AS K4 R905B B2 J2 U7208 D3 F4 C1023 AS K4 R905C 81 J2 U720C B4 F4 C1024 A6 KS R905D B1 J2 U720D B4 F4 R905E B1 J2 U725A D2 GS CR925 B4 J5 R905F B2 J2 U7258 D2 GS R905G B1 J2 U725C A2 G5 J215 H5 B4 R905H B1 J2 U725D A2 G5 J410 H4 03 R905J B2 J2 U800 F2 G2 J510 H3 E3 R920 B3 H4 UB10A D7 G3 J720 A2 F4 R922 B3 H5 UBtOB C2 G3 J810 A4 G2 R925 84 J5 U870C A3 G3 J877 A4 G2 Rt000A B2 K2...

Page 299: ...ro u I 3 SDC E a 70 c51 I ssasr E rD usle s 720 U82 3A 7a1 aer USLS Se UB1s50 rvaex n a ixsK E mean s esi n n vausu l ISn ia LS 32 onec oe Aaa qn a a r L a93 qa q aD q ant eeee r _ b A9 aD aD 385 7t8 ROD DEC 18N ...

Page 300: ...n m n esr2 I o E FaEEa x FaEER ...

Page 301: ...er il used Number Chassis mounted components have no Assembly Number prefiM see end of Replaceable Electrical Parts List A I B I C I D I E I F I G utzo R320 C82 Rs2o Rs2 R322 R622 C62 R323 R623 _ C62 v 2f t R326 R626 8622 VR 2 C ui2s uzzo u3zo c32s u 2o cszs u6zs cs2 u72o u7zr c c C62t C Q R626 C U326 U620 Rfi27 8720 C _ 8628 Fig 7 11B A9 MPU circuit board assembly SN 8061869 bE ...

Page 302: ...J Cs J8R1 a J p O J 100 f U800 U800 b J J8IQ6 i J 907 b v W___ _ T F 1 i 61869 below Y82S U916 U101t3 o b QJ X10 r b _ yr r _ o U82 R920 2 3858 9098 ADD DEC 1984 A9 MPU BOARD ...

Page 303: ...05A 83 J2 U515 H2 E3 C924 84 J5 R905B 82 J2 U520 B5 D5 C1000 A5 K1 R905C B1 J2 U525 G3 E4 C1020 85 J4 R905D B1 J2 U600 F2 F2 C1021 A5 K4 R905E B1 J2 U610 D3 F3 C1023 A5 K4 R905F B2 J2 U700 G2 G2 C1024 A6 K5 R905G 81 J2 U710 D1 F3 R905H 81 J2 U715 D2 G3 CR118 G5 A4 R905J B2 J2 U720A D3 F4 CR925 B4 J4 R920 B3 H4 U720B D3 F4 R922 83 H5 U720C 84 F4 J215 E3 84 R1000A B2 K1 U720D B4 F4 J410 H4 D3 R1000B...

Page 304: ...a ate xx I 71 roar ciar w t sv E o x csza v r l zs s iu 1 fi ntar w zrt k IM a sv rt r zs o a 9 I a 0520 Exr ncl s w 27 I Ze 7 S KeIE i z s7 is inici u v b w E urc I r a sExlcwnrrae rv Es T E H IxEa ua_7 P FMri WY r s a E IFMEI wtw e z 4 7e 0 e REV DEC 1984 ...

Page 305: ...J DEC 1984 wile U31m U11mB U 1 L 50e U11mz vovsROn s U 12mA ueose a e vaus z vas a ie evv U12mB U575 RRI R t 1 MPU CONTROL SN 8061869 BELOV ...

Page 306: ...assis mountedcomponents have no Assembly Number prefix see end of Replaceable Electrical Parts List RR X230 0231 TP330 R230 R333 R135 Ct32 R231 8330 1130 R130 C13 C232 R232 8331 C131 C2t0 R2t2 R331 Rlt2 O1ti0 12332 CR110 C R 210 R3 1t0 R2 t3 Q L3t1 C3t0 CttO Rlt3 _ _ _ Cl22tt Q1t1 8T t1 R 115 te 0 t3 Rt33 Rt3t CRt30 CRt31 Rttl Rtt2 Rtt3 c l T J_F o TP O e _ a c a c L Figure 7 12 A10 Trigger ...

Page 307: ...0t3 ago 3858 910A ASSEMBLY A10 CIRCUIT SCHEM BO NUMBER LOCATION LOC C100 A2 B C101 A2 C C110 D2 C C130 C1 C C131 G1 B C132 H3 C C133 A2 C C200 A2 D C220 A2 C C221 A2 0 C230 A2 cz31 c1 D C232 A3 C C240 H1 0 C300 A2 0 C310 B2 E c3ao G1 0 C430 A3 E C431 A2 f C432 A2 E C433 D3 F C440 H3 E C500 A3 G C510 H3 G C520 A2 F C530 A2 G C546 G4 F C600 D4 G C601 A3 H 0611 84 H C620 H3 G C630 G3 G C730 A2 J C800...

Page 308: ...0 H3 G2 0110 D1 C3 R343 G4 E5 R802 E4 K2 U1018 F2 C2 C630 G3 G5 0120 G2 C3 R344 G1 D5 R803 D6 K2 U101C G2 C2 C730 A2 J5 0140 H1 B5 R402 82 F2 R810 E4 K2 U101D B1 C2 C800 D3 K2 0141 H1 85 R430 D2 F4 R811 E4 K3 U140 G1 C5 C810 D3 K2 0240 G1 D5 R431 G4 F4 R812 D4 K3 U200 D3 C2 C811 E4 K2 0630 C4 H4 R432 G4 F4 R813 83 J2 U200 E2 C2 C812 D5 K3 0631 B4 H5 R433 G3 F4 R814 D6 K2 U201 C2 D2 C813 E3 K3 0640...

Page 309: ...r Board removal procedure in the Maintenance section of this manual Turn on oscilloscope mainframe power when A10 has been extended b If MASTER MENU is not displayed press MEMORY DISPLAY pushbutton number 6 c From displayed MASTER MENU list select UTILITIES by pressing MEMORY DISPLAY pushbutton number 4 d From displayed UTILITIES list select INIT FRONT PANEL by pressing MEMORY DISPLAY pushbutton n...

Page 310: ... zEao n j 3e e v n l zas U SmB zz sae u sme I I 5 I ua3mA usam SV u9 mA aReaa e aa en rvzee sgsam fin zee _ u rvesaz Uzml 3 ualm I i arv rcrv a3 m oz s _ o w 7 as raon uaaee i i R s i glmze ia Ua3mA O e ucs e s3U53mD aae ww jrv swrv Irvrs 77 1 n nux znx s a3 m REV MAY 1983 g1022 n ez 5 Faor rvze z mi ez x gemm gael e e ...

Page 311: ...REV MAY 1983 TRIGGER ...

Page 312: ...1 C11 R201 R202 C203 R203 R204 C204 0110 0210 0310 0410 R120 R121 Q22Q 422Y R320 R122 TP231 R22C1 L13b TP f 2700 0300 0400 0500 0600 Cf2701 0800 11900 01000 R701 C410 130 230 0430 530 g630 L131 12231 g5 1q532 L132 R232 0430 R530 R235 R531 C130 C131 C132 8233 R431 Q533 R532 R234 eR43 g C531 0532 0510 0610 0710 Ut310 0910 01010 iU _ C101 e o R732 r iC330k ab R120 FJ520 0620 R421 R422 g52E t 3i Cl530...

Page 313: ... W 00 QJ100 U11Q0 Ll120 U1300 U1 FOO o a o o o c 00 0 o a a o ae 1 1 it board assembly TP 135 TP a U1530 U1630 U1730 REV MAY 1983 ...

Page 314: ...0A G2 E3 0100 H1 82 TP222 C3 C3 06108 H3 E3 0101 H1 82 TP320 C3 C3 U710A G2 E3 R100 D5 82 TP321 B2 C3 07108 F3 E3 R101 G1 82 TP921 E1 G3 U710D B2 E3 R110A A4 83 TP922 H3 G3 0800 F3 F2 R1108 A4 83 TP1630 A1 K4 0810 B5 F3 R110C C5 83 TP1730 B1 l4 0900 D3 F2 R110E C5 B3 TP1735 A1 L4 010008 E1 G2 R201 G1 C1 U1100D D1 G2 R202 G1 C2 U210B C5 C3 U1220A E1 H4 R203 G1 C2 U300A B4 C2 U1420A F2 J4 R204 G1 C2...

Page 315: ...01530 15 U4BBC 9 7 800hHZ TO U4000 10 0800 13 B41BB 4 TO P710 178 014208 4 U300A 3 01530 19 01530 13 G 01530 9 i CH1 CH2 TO P710 36A I U81m I Ri1BE U21mB 74LS1sz 3 3h 79u712 U4mmB SO 12 30 70 400hHz 21 11 12 30 TP227 L TO U91BB 73 15 13 U41mD ao 11 9BehHalzl TG u91eD 1z i9LS6s TP220 06108 11 7 79LS86 13 4G 15 40BhHZl17 2 40 TO P110 17A SVL 70 U910A 1 9 4G 14 15 D SV L 1 R 3 U11mmD 74LS00 3 Ii 2 so...

Page 316: ...U300A 6 SCKMA 01310 6 SCKMB 01370 7 SCKMC 01310 14 SO U910B 9 VSCK U1920A 8 900hHZt11 0510 16 TYPE I 6V I 7 I 1400hHZ 77 0510 19 400hHZ 21 0570 10 79LS00 74L510 19 7 400hHZ 21 0570 11 79551 19 800hHz 0510 7 79L574 19 7 800hHZ 0510 6 74L586 74LS112 16 8 1 6MHz 0510 2 745112 76 B 1 6MHz 0510 3 74LSi32 19 7 3 2MHZ 07100 71 79LS161 16 745151 16 8 BMHZ U7620A 3 74L5162 16 8 15MHZ Y1630 8 74LS163 76 9 4...

Page 317: ...2008 E3 H2 C1010 A3 G3 TP821 G4 F3 01210 D5 H3 C1110 A3 G2 TP822 F1 F3 012208 E1 H4 Ct130 A3 H4 TP920 G3 F3 01300 D3 J2 C1310 83 J2 01310 C3 J3 C1330 83 J4 U110A G2 B3 01320 D4 J4 C1430 B3 J4 01108 E5 83 01400 D2 J2 C1630 B3 K4 U310D F4 C3 U1410D C2 J3 C1700 83 L2 U410C D5 D3 01410E F3 J3 U710C E5 E3 U1410F F3 J3 L130 A3 B4 U910A G3 F3 01410 04 J3 09108 F4 F3 01500 C2 K2 R620 A5 E3 U1000A F1 G2 01...

Page 318: ... 9 4 LS165 16 7 L 19 14 4LS36B 16 ERO TGP 01608 PcK 7qus1s7 6 C7 II D p Dp 1z 01508 79L5197 6 C 8 1 C2 OAp 1 1 LOAD NIT 13 R 11 D o qp 1z 1400 79L5197 8 C 2 scK3 3 c 01510 LNaD I 1 Loop sos ENLarcH 4ms9 INIT 13 R svL IS ENp 4 p p q 1 a L S p2 _ 0110 01310 q3 6 0410 C133m 0 710 01930 r p9 7 C1010 01630 2 U a q5 19 _ c111m c17mm 01130 q5 13 _ SEE PARTS LIST FOR SEMICUNUUCTGR TYPES p7 qe sc43 c U1310...

Page 319: ...A 3 3h 745tt2 3 m q 2 70 C C y 11 q 0 p C 12 tl J q 0 TP720 01900 t 01500 t 01600 I 01700 I TP820 y INS TO 01320 14 U1420B 2 INIT Tq U9t0A t5 U12m0A 16 Ut300 13 01900 13 UISmm 13 07600 13 Ut7m0 t3 U1 C mOA z 79LSte rPezz ENOnco lz Sp li AVCKE I 70 Ui320 13 U610A 2 19 Ut0m0C 79L510 FISO Tq U1920A 14 FISOUB i3 t2 0141mF 79L604 11410E 74LSm4 _1J tm Fiso ro ut9zmA lmO 4 A A 74LS112 45m8 4 5 3 2 U91C3B...

Page 320: ...235 A3 C5 C821 C4 F4 R320 A3 C4 U430A B3 D5 C930 84 F5 R420 B2 D4 U430B 83 D5 R421 A2 D4 U830 D3 F5 CR730 C3 E4 R422 C2 D4 U830 D4 F5 R423 C2 D4 U10108 D1 G3 L131 A4 B5 R430 B2 D4 U1010C C1 G3 L132 A4 B5 R431 B3 D5 U1030A D1 G5 L930 84 F5 R432 B3 D5 U1110A F2 G3 R530 B3 E5 U1110B G3 G3 0220 81 C4 R531 E2 E5 U1120B D3 H4 Q221 B1 C4 R532 A3 E5 U1120C E2 H4 Q520 82 D4 R720 A1 E4 U1120D D1 H4 0521 C2 ...

Page 321: ... 7000 series oscilloscope mainframe Connect the voltmeter ground lead to A11TP520 There is no special 7D20 setup required VOLTAGE CONDITIONS Static Sensitive Devices See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number A2 3 A T 2 R12 34 Assembly J I Schematic 1LL Circuit Number Subassembly Number Number ilused Chassis mounted components have no Assembly Number prefix see end of ReD ac...

Page 322: ...0 5 1 PCK 2 KC 6 U1120D_ U1030A 01010 EHO 15 R O 74LS00 745112 4 74508 I DRD 1 2 1 11 q S 5 5 6 3 0 I SVI 2 R430 R20 34 1 2h TP520 0830 3 Q630 n 1 c iSVi GAINO CV D43c0A QS30 SVLI SVLI 9 13 STROBE R320 O TP530 Sh R231 CR730 SVL C520 R235 O ISV 10 4 5 170 R724 1 J LI 1 Sk R232 U430B 3 01h OFFSET CV 2 6 _ 0112 15VI 15 0h TL072 R431 Q531 R732q I 10 5 2h 15VI Sh I 2 Oh R930 I I 74LS R532 1G532 R233 7 ...

Page 323: ...93 14 7 TL072 B SEE PARTS LIST FOR SEMICONDUCTOR TYPES EHO STG DB TO 0533 U1120A 21 16 OC U1320 3 O 0 30A U 1620 30B 7as161 31A 31B 32 A 1 32B 13 i 2b TRiCRST 2 R 1 0 3 z SIGNAL I SOURCE EDRD 01610 11 15 EHO U7200A 5 15 PCK U1220A 5 14 STG U1130B 7 i6 TGP U1010C B 16 TRIGRST U1200A 6 15 40MHz UIY3 8 14 2 1 4 22 s 23 TRICRST LSB P110 BA TP130 BB TP420 12A 12B 16A 1 19A i 7 9A 29B PARTIAL A TIMEBASE...

Page 324: ...EEE 488 GPIB BUS TO FROM FRONT PANEL IEEE 88 GPIB BUS TO FROM MAINFRAME LINE TRIGGER FROM MAINFRAME SSRST FROM FRONT PANEL EXT TRIG C EXT CLOCK C H1 TRI H2 TRI INE TRIGGER TRIGGER T TRIG T PARTIAL TRI T ...

Page 325: ...AB AI TRIL D PARTIAL TRIGGER BOARO F i SVEEP GATE FUNCTIONAL INTERCONNECT DIAGRAM TO MAINFRAI ...

Page 326: ...displayed on the crt For further firmware version information refer to the 7D20 Operators Manual as follows 1 Operating Instructions section for front panel ID information 2 GPIB section for GPIB Mode Terminator and Address Selection information The Firmware Version to Circuit Board Cross Reference Table 7 1 which follows should be referenced each time a 7D20 is serviced ...

Page 327: ...316 00 670 7316 00 670 7316 00 670 7316 00 670 7317 00 1670 7317 00 1670 7317 00 1670 7317 00 670 7318 00 1670 7318 00 I 670 7318 00 1670 7318 00 670 7319 00 1670 7319 00 I 670 7319 00 1670 7319 00 670 7320 00 1670 7320 00 I 670 7320 00 1670 7320 00 670 7321 00 1670 7321 00 I 670 7321 00 1670 7321 00 670 7322 00 1670 7322 00 1670 7322 00 1670 7322 00 670 7323 00 1670 7323 00 1670 7323 01 1670 7323...

Page 328: ...ith Table 7 1 at the beginning of the Signature Analysis Tables Circuit Number A9U200 A9U300 A9U400 A9U500 A9U600 A9U700 1 00 IC Part Number 160 1164 00 160 1165 00 160 1163 00 160 1162 00 160 1676 00 160 1757 00 1 03 IC Part Number 160 1164 02 160 1165 02 160 1163 02 160 1162 03 160 1676 02 160 1757 03 REV MAR 1984 ...

Page 329: ...U759 pin 4 U759 pin 5 0356 pin 5 0356 pin 5 0356 pin 5 0356 pin 5 0356 pin 6 1U5P pin 6 1U5P pin 6 1U5P pin 6 1U5P pin 6 1U5P pin 7 P763 pin 7 P763 pin 7 P763 pin 7 P763 pin 7 P763 pin 8 8484 pin 8 8484 pin 8 8484 pin 8 8484 pin 8 8484 pin 9 FFFF pin 9 FFFF pin 9 FFFF pin 9 F FF pin 9 FFFF pin 10 UUUU pin 10 UUUU pin 10 UUUU pin 10 UUUU pin 10 UUUU pin 20 64HF pin 20 29A4 pin 20 5FUA pin 20 1183 p...

Page 330: ...in 21 37C5 pin 20 0000 pin 20 0000 pin 14 6321 pin 22 6082 pin 21 0003 pin 21 0003 pin 15 6F9A pin 23 6U28 pin 22 6321 pin 22 6321 pin 16 U759 pin 24 6321 pin 23 7791 pin 23 7791 pin 17 0356 pin 25 7791 pin 24 0003 pin 24 0003 pin 18 0003 pin 26 0003 pin 27 0003 pin 28 0003 _______________________________________________________________________ A9 A9 A9 A9 A9 U310 U315 U410 U610 U710 pin 1 0003 pi...

Page 331: ...n 14 0003 pin 16 0003 _______________________________________________________________________ _______________________________________________________________________ A9 A9 A9 A9 A9 U825 U910 U915 U925 U1010 pin 1 0000 pin 1 0000 pin 1 0003 pin 1 0003 pin 1 7791 pin 2 302H pin 2 0003 pin 3 0356 pin 3 4868 pin 2 6321 pin 3 0003 pin 3 0003 pin 4 6F9A pin 7 6321 pin 3 37C5 pin 4 0003 pin 4 0003 pin 7 ...

Page 332: ... On Assembly A9 MPU Start U400 20 _ 0000 Stop U710 11 _ 0000 Board Version 670 7323 00 Clock TP 824 _ 1180 Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 A9 U400 pin 11 7F1U pin 12 F205 pin 13 045A pin 15 2895 pin 16 U2C7 pin 17 0808 pin 18 U01C pin 19 33H0 ...

Page 333: ..._______ On Assembly A9 MPU Start U300 20 Stop U710 10 Board Version 670 7323 00 Clock TP 824 Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 A9 U300 pin 11 2U19 pin 12 2U28 pin 13 2FP4 pin 15 55P0 pin 16 2C81 pin 17 8209 pin 18 1PA9 pin 19 376C 0000 0000 1180 ...

Page 334: ...________ On Assembly A9 MPU Start U200 20 Stop U710 9 Board Version 670 7323 00 Clock TP 824 Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 A9 U200 pin 11 6PU0 pin 12 PF42 pin 13 14U1 pin 15 H68P pin 16 5158 pin 17 C514 pin 18 HPC4 pin 19 7298 0000 0000 1180 ...

Page 335: ... Version 670 7323 00 7D20 SIGNATURE TABLE 1 4 Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 1 0D 1 O U D USOO 11 HH1F 11 FF 12 F41 1 U 1 1 U 1 H 1S1F1P 1 4 1 1 F 5 1 FF F 17H F 1 n1 p iD 1 112 i 1 4 e m Start U500 20 _ 0000 Stop U710 7 _ 0000 Clock TP 824 _ 1180 ...

Page 336: ...bly A9 MPU Start U700 20 _ 0000 Stop U710 12 _ 0000 1180 r r D Clock TP 824 _______________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Gignature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 Jumper U720 1 to U720 14 U O U OO 11 F 11 1H 1 FH 1 HF7 1 P 1 1 F i 1 7 15 piO 1 HF iO 1 7 iD 1 F in 17 PC in 1 piO 1 H i 1 in 1 4 H ...

Page 337: ... 11 PA84 pin 12 P290 pin 13 5P23 pin 15 9115 pin 16 3CFH pin 17 A256 pin 18 33H8 pin 19 C6C0 connect edge signature __________________________________ Start U600 20 _ 0000 Stop U710 12 _ 0000 Clock TP 824 1180 Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 Jumper U720 5 to U720 14...

Page 338: ...6C pin 3 02H0 pin 3 AA25 pin 3 CH33 pin 3 795U pin 7 0000 pin 4 2C65 pin 6 3HHA pin 4 5735 pin 4 FFC6 pin 8 F22P pin 5 2C65 pin 7 3HHA pin 5 UU2F pin 5 0000 pin 9 FU6C pin 6 496P pin 8 5AU6 pin 6 U607 pin 6 FU6C pin 14 FU6C pin 7 496P pin 9 5AU6 pin 7 0304 pin 7 FU6C pin 8 A293 pin 10 0000 pin 8 H708 pin 8 0000 pin 9 A293 pin 11 FU6C p n 9 873A pin 9 FU6C pin 10 0000 pin 12 795U pin 10 0000 pin 10...

Page 339: ...35 pin 9 FU6C pin 6 A293 pin 8 0000 pin 6 FU6C pin 6 H708 pin 14 FU6C pin 7 9P24 pin 9 UU2F pin 7 FU6C pin 7 873A pin 8 0419 pin 10 0000 pin 8 0000 pin 8 UU2F pin 9 FU6C pin 12 873A pin 9 FU6C pin 9 F7U2 pin 19 3U69 pin 13 0000 pin 10 FU14 pin 10 0000 pin 20 0000 pin 15 FU6C pin 11 3U69 pin 19 43AC pin 40 FU6C pin 16 FU6C pin 12 F22P pin 20 FU6C pin 13 P38F pin 14 0000 pin 15 3253 pin 16 FU6C ____...

Page 340: ...t Signature 7ACC Ground Signature 0000 A8 A8 A8 A8 A8 U200 U420 U1120 U1220 U1310 pin 1 9616 pin 1 P532 p n 1 0000 pin 1 7CHC pin 2 U887 pin 10 0000 pin 2 8C17 pin 8 000 pin 2 7UAA pin 3 5634 pin 20 7ACC pin 3 9616 pin 9 7ACC pin 3 71CC pin 5 P532 pin 4 U887 pin 11 7ACC pin 4 7ACC pin 6 PHA2 pin 5 1PCF pin 14 C9C1 pin 5 7ACC pin 8 0000 pin 6 7ACC pin 16 7ACC pin 6 C9C1 pin 10 H9H9 pin 7 7ACC pin 7...

Page 341: ...7D20 SIGNATURE TABLE 3 0 A8 U1410 pin 2 7CHC pin 3 CH82 pin 5 7UAA pin 6 2FH6 pin 8 0000 pin 10 7A75 pin 11 71CC pin 13 UU96 pin 14 F83A pin 16 7ACC _______________ ...

Page 342: ...10 U510 pin 3 1H08 pin 2 03PP pin 2 U27A pin 2 342A pin 2 2H6A pin 4 7832 pin 3 22P6 pin 3 22P6 pin 3 22P6 pin 3 22P6 pin 7 36CC pin 4 0000 pin 4 0000 pin 4 0000 pin 4 0000 pin 8 89P3 pin 5 89P3 pin 5 89P3 pin 5 89P3 pin 5 89P3 pin 11 000 pin 6 7832 pin 6 7832 pin 6 7832 pin 6 7832 pin 13 617F pin 7 1H08 pin 7 1H08 pin 7 1H08 pin 7 1H08 pin 14 272U pin 9 3395 pin 9 3395 pin 9 3395 pin 9 3395 pin 1...

Page 343: ...U pin 11 272U pin 11 272U pin 12 617F pin 12 617F pin 12 617F pin 12 617F pin 13 C2HP pin 13 C2HP pin 13 C2HP pin 13 C2HP pin 16 0000 pin 16 0000 pin 16 0000 pin 16 0000 _______________________________________________________________________ _______________________________________________________________________ A8 A8 A8 A8 A8 U1010 U1110 U1210 U1310 U1410 pin 4 89P3 pin 4 272U pin 4 89P3 pin 4 27...

Page 344: ...00 pin 1 8F49 pin 1 342A pin 1 8F49 pin 1 3395 pin 1 U27A pin 15 FFP5 pin 9 03PP pin 9 4868 pin 9 FFP5 pin 9 0000 pin 10 U27A pin 10 HF62 pin 10 3395 pin 10 03PP pin 15 2H6A pin 15 FFP5 pin 15 3395 pin 15 342A _______________________________________________________________________ _______________________________________________________________________ A8 A8 A8 A8 A8 U1100 U800 U1600 U1700 U200 pin...

Page 345: ...____________________________ A8 A8 U300 U400 pin 2 8F49 pin 2 8F49 pin 5 HF62 pin 5 HF62 pin 6 342A pin 6 342A pin 9 FFP5 pin 9 FFP5 pin 12 4868 pin 12 4868 pin 15 2H6A pin 15 2H6A pin 16 U27A pin 16 U27A pin 19 03PP pin 19 03PP ...

Page 346: ..._________________________________ A8 A8 A8 A8 A8 U500 U600 U70G U420 U620 pin 2 1UFP pin 2 3H46 pin 2 0P45 pin 1 HCPH pin 1 C679 pin 3 H32C pin 3 H8U8 pin 3 1C84 pin 2 H98U pin 2 6UH8 pin 4 6PCP pin 4 6PCP pin 4 6PCP pin 3 0304 pin 3 6U05 pin 5 0000 pin 5 0000 pin 5 0000 pin 4 0000 pin 7 0000 pin 8 0000 pin 6 65B9 pin 6 C5U0 pin 5 H98U pin 14 6PCP pin 11 6U05 pin 7 98C3 pin 7 1C55 pin 6 6PCP pin 1...

Page 347: ... pin 6 0000 pin 11 1UFP pin 11 6589 pin 11 C5U0 pin 3 H98U pin 7 0000 pin 14 1C55 pin 4 6PCP pin 8 6PCP pin 5 0000 pin 10 0000 pin 6 4A0P pin 14 6PCP pin 7 6PCP pin 8 0000 pin 9 0000 pin 12 0000 pin 13 CC1C pin 14 C553 pin 15 6PCP pin 16 6PCP _______________________________________________________________________ A8 U1320 pin 4 6PCP pin 5 0000 pin 6 0000 pin 7 0000 pin 14 6PCP ...

Page 348: ...2 6884 pin 2 53PC pin 2 98A7 pin 3 66FU pin 3 H90A pin 3 C891 pin 3 3F70 p n 3 98A7 pin 4 AA2A pin 4 U4F9 pin 4 0000 pin 4 0000 pin 4 0000 pin 5 0000 pin 5 0000 pin 5 3F70 pin 5 6F6P pin 5 0000 pin 6 7F47 pin 6 8P1A pin 6 6F6P pin 6 2U4H pin 6 98A7 pin 7 0000 pin 7 55P9 pin 7 6F6P pin 7 6F6P pin 7 99P4 pin 8 0000 pin 8 0 00 pin 8 0000 pin 8 0000 pin 8 0000 pin 11 U4F9 pin 11 U4F9 pin 9 U4F9 pin 10...

Page 349: ...in 1 A03H pin 3 H90A pin 3 98A7 pin 6 66FU pin 2 6F6P pin 6 P16C pin 6 98A7 pin 8 0000 pin 5 0000 pin 8 0000 pin 8 0000 pin 10 491P pin 6 6F6P pin 10 8P1A pin 10 98A7 pin 14 0000 pin 7 0000 pin 16 6F6P pin 13 99P4 pin 16 6F6P pin 12 FF53 pin 16 6F6P pzn z b p pin 14 6F6P _________________________________________________________ m a ...

Page 350: ...1 U110 U1210 U1310 U1320 U1410 pin 8 0000 pin 1 H130 pin 1 CU0U pin 1 H130 pin 1 55F3 pin 15 ACF1 pin 2 ACF1 pin 2 C018 pin 2 ACF1 pin 2 68HC pin 16 3H18 pin 8 0000 pin 3 ACF1 pin 8 0000 pin 3 4C4 pin 15 0000 pin 4 H5U5 pin 10 4186 pin 4 7658 pin 16 3H18 pin 5 F16A pin 15 0000 pin 5 5UHU pin 6 HUP9 pin 16 3H18 pin 6 62F7 pin 7 FC76 pin 7 0000 pin 8 0000 pin 8 HUP9 pin 9 4186 pin 9 P2U1 pin 11 5UHU...

Page 351: ...in 5519 pin 7 F U1 pin A9bG pi n 8 Sas ss fy_f pi n 8 yfyfy _fyf p i n 8 SS strs f pi n 9 Cs s 18 pi n 9 59F S p i n 9 FCF pin 11 A42b pin 11 55F pin 11 H8G8 1 i pi n 12 b54F p i n 1 F44 p i n 1 f F1 pi n 1 H8G8 p i n 1 r 4C4s s p i n 1 b54F p i n 14 19H p i n 14 b2F pi n 14 99 F pin 15 Hi B pin 15 Hi B pin 15 H18 pin 16 H18 pin ib Hi B pin 1b _ H18 L 2S S aIGNATtJfiE TAEtLE b t t pin FG7b pin 24F...

Page 352: ...nature 99FA Ground Signature 0000 A11 A11 A11 A11 A11 U310 U410 U710 U910 U1010 pin 7 0000 pin 7 0000 pin 7 0000 pin 2 0000 pin 1 07U3 pin 11 3172 pin 8 99FA pin 8 A5UA pin 3 043H pin 2 3172 pin 12 07U3 pin 9 0000 pin 9 99FA pin 4 604A pin 3 043H pin 13 AC76 pin 10 99FA pin 10 3F30 pin 5 A892 pin 7 0000 pin 14 99FA pin 14 99FA pin 14 99FA pin 6 3158 pin 11 A5UA pin 7 A97C pin 12 A5UA pin 8 0000 pi...

Page 353: ...3H18 Ground Gignature 0000 A4 A4 A4 A4 A4 U300 U1230 U340 U910 U930 pin 1 CU0U pin 1 CU0U pin 9 H8C8 pin 3 F16A pin 3 FC76 pin 2 46A2 pin 2 3494 pin 10 A426 pin 5 H5U5 pin 5 HUP9 pin 3 8HF9 pin 3 8HF9 pin 11 5854 pin 4 P8PH pin 4 H5U5 pin 5 149U pin 5 F16A pin 6 6801 pin 6 HUP9 pin 7 9473 pin 7 FC76 pin 8 0000 pin 8 0000 pin 9 8C29 pin 9 46A2 pin 11 24FA pin 11 5UHU pin 12 H8C8 pin 12 4C40 pin 13 ...

Page 354: ...1 CU0U pin 6 A96C pin 5 F13A pin 2 3944 pin 2 32C4 pin 2 3494 pin 8 0000 pin 7 0000 pin 3 P6UU pin 3 P6UU pin 3 P6UU pin 9 0000 pin 8 993P pin 4 H5U5 pin 4 P8PH pin 4 H5U5 pin 10 6801 pin 9 3H18 pin 5 F16A pin 5 2987 pin 5 UF72 pin 11 P5A0 pin 10 A426 pin 6 P2U1 pin 6 A96C pin 6 U66P pin 15 0000 pin 11 HCP7 pin 7 U66P pin 7 6801 pin 7 HUP9 pin 16 3H18 pin 12 3H18 pin 8 0000 pin 8 0000 pin 8 0000 p...

Page 355: ...7D20 SIGNATURE TABLE 9 0 ________ A10 U310 pin 5 7F44 pin 6 55F3 pin 7 5UHU pin 8 7658 pin 9 HUP9 pin 10 U66P pin 11 UF72 pin 12 H5U5 _______________ ...

Page 356: ...ON 1 01 CROSS REFERENCE Use in conjunction with Table 7 1 at the beginning of the Signature Analysis Tables Circuit Number IC Part Number A9U200 A9U300 A9U400 A9U500 A9U600 A9U700 160 1164 01 160 1165 01 160 1163 01 160 1162 01 160 1676 01 160 1757 01 ADD OCT 1982 ...

Page 357: ... pin 4 U759 pin 4 U759 pin 4 U759 pin 4 U759 pim 4 U759 pin 5 0356 pin 5 0356 pin 5 0356 pin 5 0356 pin 5 0356 pin 6 1U5P pin 6 1U5P pin 6 1U5p pin 6 1U5P pin 6 1U5P pin 7 P763 pin 7 P763 pin 7 P 63 pin 7 P763 pin 7 P763 pin 8 8484 pin 8 8484 pin 8 8484 pin 8 8484 pin 8 8484 pin 9 FFFF pin 9 FFFF pin 9 FFFF pin 9 FFFF pin 9 FFFF_ pin 10 UUUU pin 10 UUUU pin 10 UUUU pin 10 UUUU p n 10 UUUU pin 20 6...

Page 358: ...in 22 6082 pin 21 0003 pin 21 0003 pin 5 6F9A pin 23 6U28 pin 22 63 1 pin 22 6321 pin 16 U759 pin 24 6321 pin 23 7791 pin 23 7791 pin 17 0356 p n 25 7791 pin 24 0003 pin 24 0003 pin 18 0003 pin 26 0003 pin 27 0003 pin 2B 0003 _______________________________________________________________________ _______________________________________________________________________ A9 A9 A9 A9 A9 U310 U315 U410 ...

Page 359: ...3 7D20 SIGNATURE TABLE 1 0 ____________________________________________________________________ ___________________________________ A9 Y n U825 U910 U915 U925 U1010 pin 1 0000 pin 1 0000 pin 1 0003 pin 1 0003 pin 1 7791 pin 2 302H pin 2 0003 pin 3 0356 pin 3 4868 pin 2 6321 pin 3 0003 pin 3 0003 pin 4 6F9A pin 7 6321 pin 3 37C5 pin 4 0003 pin 4 0003 pin 7 P763 pin 8 6U28 pin 4 7423 pin 5 0000 pin ...

Page 360: ...rt U400 20 _ 0000 Board Version 670 7323 00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Gignature 0000 P812 Test Position P900 P907 A9 U400 pin 11 7909 pin 12 1CFU pin 13 6U62 pin 15 P3FU pin 16 A28H pin 17 C8FH pin 18 C08U pin 19 690U Stop U7 0 11 _ 0000 ooooT 1aao ...

Page 361: ...art U300 20 _ 0000 A9 U300 pin 11 P0H9 pin 12 PH6A pin 13 0028 pin 15 6041 pin 16 3920 pin 17 U3FC pin 18 7UAU pin 19 6395 _______________ Stop U710 10 _ 0000 Bpard Version 670 7323 00 Clock TP B24 _ 1180 __________________________________ Configurationx MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P90...

Page 362: ...200 20 _ 0000 Board Version 670 7323 00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 A9 U200 pin 11 285A pin 12 P10C pin 13 9HC2 pin 15 PA07 pin 16 4H2H pin 17 5U42 pin 1B C684 pin 19 6795 _______________ Stop U710 9 _ 0000 ...

Page 363: ... MPU Start U500 20 0000 Stop U710 7 _ 00 0 Board Version 670 7323 00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 _____ A9 U500 pin 11 4460 pin 12 3455 pin 13 539H pin 15 1U 9 pin 16 B3FH pin 17 H3AF pin 18 8AP6 pin 19 4CC6 ...

Page 364: ...rsion 670 7323 00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 Jumper U720 1 to U720 14 _______________ A9 U700 pin 11 0209 pin 12 U1AH pin 13 830C pin 15 30FC pin 16 P227 pin 17 U91U pin 18 16A2 pin 19 C932 _______________ ...

Page 365: ...top U710 12 _ 0000 Board Version 670 7323_00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Grounb Signature 0000 P812 Test Position P900 P907 Jumper U720 5 to U720 14 _______________ A9 U600 pin 11 UAUC pin 12 38C4 pin 13 2P66 pin 15 5PU1 pin 16 F5P1 pin 17 242F pin 18 3AF7 p...

Page 366: ...H0 pin 3 AA25 pin 3 CH33 pin 3 795U pin 7 0000 pin 4 2C65 pin 6 3HHA pin 4 5735 pin 4 FFC6 in 8 F22P pin 5 2C65 pin 7 3HHA pin 5 UU2F pin 5 00 0 pin 9 FU6C pin 6 496P pin 8 5AU6 pin 6 U607 pin 6 FU6C pin 14 FU6C pin 7 496P pin 9 5AU6 pin 7 0304 pin 7 FU6C pin B A293 pin 10 0000 pin 8 H708 pin 8 00 0 pin 9 A293 pin 11 FU6C pin 9 873A pin 9 FU6C pin 10 0000 pin 12 95U pin 10 0000 pim 10 FU6C pin 11 ...

Page 367: ...___________________________ A2 A2 A2 A2 A1 U335 U430 U500 U720 U310 pin 1 FU6C pin 1 FU14 pin 1 U607 pin 2 FU6C pin 1 496P pin 2 43AC pin 2 CH33 pin 2 FU6C pin 3 43AC pin 4 5735 pin 3 FU14 pin 3 U607 pin 7 0000 pin 4 960U pin 6 0000 pin 4 1AFU pin 4 0304 pin 8 F22P pin 5 960U pin 7 H708 pin 5 960U pin 5 5735 pin 9 FU6C pin 6 A293 pin 8 0000 pin 6 FU6C pi 6 H708 pin 14 FU6C pin 7 9P24 pin 9 UU2F pi...

Page 368: ... pin 5 0000 pin 5 G7 A pin 9 GH33 p i n b 0000 i pin b FUbC pin 12 tf 1 04 pin 7 000 pin 7 CH3 pin 15 FUbC pin S 0000 pin 8 FU6C pin ib FUbC pin 9 0000 pin 9 U607 t t pin 10 0000 pin 10 0000 pin 11 0000 pin 11 F7U2 t p i n 1 O es00 pin 12 FUbC pin 13 A293 pin 1 UU2F D t pin 14 FU14 t pin 14 FU6C pin 15 0419 pin 15 H708 t pin ib FUbC pin ib FUbC pin 17 0 04 pin 18 FUbC pin 19 FU14 pin 20 FUbC 7D20 ...

Page 369: ..._____________________________ A8 A8 A8 A8 __ AB U200 U420 U1120 U1220 u m ___ _ ___ ___ pin 1 9616 pin 1 P 32 pin 1 0000 pin 1 7CHC pin 2 U887 pin 10 0000 l pin 2 BC17 pin 8 0000 pin 2 7UAA pin 3 5634 pin 20 7ACC pin 3 9616 pin 9 7ACC pin 3 71CC pin 5 P532 pin 4 U887 pin 11 7ACC pin 4 7ACC pin 6 PHA2 pin 5 1PCF pin 14 C C1 pin 5 7ACC pin 8 0000 pin 6 7ACC pin 16 7ACC pin 6 C9C1 pin 10 H9H9 pin 7 7...

Page 370: ...7D20 SIGNATUkE TAPLE 3 isaaaamaaxa ai i pin 2 7CHC i i pin 3 CH82 i i pin 5 7UAA i i pin b 2FH6 i i pin 8 00 i i pin 1 7A75 1 i pin 11 71CC i i pin 13 UU4b i i pin 14 FBA i i pin 16 7ACC i ...

Page 371: ...A8 A8 U210 U3 0 U41 U 10 m wm w vv H08 pin 2 03PP pin 2 U27A pin 2 342A pin 2 2H n 832 pin 3 22P6 pin 3 22P6 pin 3 22P6 pim 3 22 6 0n r 3 CC pin 4 0000 pin 4 0 00 pim 4 00 0 pin 4 00 X on 3 p n 5 89P3 in 5 89P3 pin 5 B9P3 pin 5 89 3 X x x 8 0 pim 6 832 pin 6 783 pin 6 78 2 pin 6 7 32 8 1 F pin 7 1H08 pin H08 pin 7 1H 8 pin 7 H b x 2 2W pin 3395 pin 9 3395 p n 9 3395 pin 9 3395 2 P pin 10 36CC pi 1...

Page 372: ...72U pin 12 617F pin 12 6 7F in 1 617F pin 12 6X7F pin 13 C2HP pin 13 C2HP in 13 C2H pim 13 C2HP pin 16 0000 im 16 0 pin 16 0 00 pin 16 000 _______________________________________________________________________ A8 A8 A8 A A8 k 1010 U1116 U12 f U1 1 U141 0 pin 4 RP3 pin 4 272U pin 4 89P3 pin 4 272U n 4 89 3 pim 7 1H pin 7 36CC p n 7 1H0B pin 7 36CC m H 8 pin 9 7832 pin 9 C2HP pin 7832 n 9 C2H m 9 7...

Page 373: ... U1 00 pin 1 BF49 pim 1 342A pin 1 8F49 pin 1 3395 pin 1 U27A pin 15 FFP5 pin 9 03PP pin 9 4B68 pin 9 FFP5 pin 9 0 00 pin 10 U27A pin 10 HF62 pin 10 3395 pin 1 03PP pin 15 2H6A pin 15 FFP5 pin 15 3395 pin 15 342A _______________________________________________________________________ _______________________________________________________________________ AB A8 AB A8 A8 U1100 U800 U1600 U 700 U200 ...

Page 374: ..._______ A8 AB U300 U400 pin 2 8F49 pin 2 8F49 pin 5 HF62 pin 5 HF62 pin 6 342A pin 6 342A pin 9 FFP5 pin 9 FFP5 pin 12 4868 pin 12 4868 pin 15 2H6A pin 15 2H6A pin 16 U27A pin 16 U27A pin 19 03PP pin 19 03PP _____________________________ ooUoT 1oau ...

Page 375: ... U420 U620 pin 2 1UFP pin 2 3H46 pin 2 P45 pin 1 HCPH pin 1 C6 9 pin 3 H32C pin 3 H8U8 p n 3 C84 pin 2 H9 U pin 2 6UH8 pin 4 6PCP pin 4 6PCP pin 4 6PCP pin 3 0304 pin 3 6U05 pin 5 000f pin 5 0000 pin 5 0000 p n 4 0000 pin 0000 pin 8 000 pin 6 6589 pin 6 C5U0 pin 5 H98U pim 14 6PCP pin 11 6UW5 pin 7 98C3 pin 1C55 pin 6 6PCP pin 13 6PCP pin 8 0000 pin 8 000 in 6PCP pin 14 0 00 pin 11 6UH8 pin 11 6UH...

Page 376: ...5 6RCP in 5 H32C in 5 3H46 p m 5 P 5 in 2 6H9F pin 6 00 in 11 1UFP pin 11 65 9 p n 11 C580 in 3 H98 pin r 00 pin 1 1C p n 6PCP pin B 6PCP in 5 0 in 1 0000 im 6 4 0P p n 1 6PCP m 7 6PC pim 8 0 pin 9 0 t2 in 8 CC1C 4 C5 3 pim 5 6 C in 16 P A8 U1320 pin 4 6PCP pin 5 m 6 0 pi 7 0 pf PCP _______________ Aoo OCT v 82 ...

Page 377: ...in 1 6F6P pin 2 491P pin 2 P16C pin 2 6884 pin 2 53PC pin 2 98A7 pin 3 66FU pin 3 H90A pin 3 C891 pin 3 3F70 pin 3 98A7 pin 4 AA2A pin 4 U4F9 pin 4 0000 pin 4 0000 pin 4 0000 pin 5 0000 pin 5 0000 pin 5 3F70 pin 5 6F6P pin 5 0000 pin 6 7F47 pin 6 8P1A pin 6 6F6P pin 6 2U4H pin 6 98A7 pin 7 0000 pin 7 55P9 pin 7 6F6P pin 7 6F6P pin 7 99P4 pin 8 0000 pin 8 0000 pin 8 0000 pin B 0000 pin 8 0000 pin 1...

Page 378: ... H pin 3 H90A pin 3 98A7 pin 6 66FU pin 2 6F6P pin 6 P16C pin 6 98A7 pin 8 0000 pin 5 0000 pin 8 0000 pin 8 00 V0 pin 10 491P pin 6 6F6P pin 10 8P1A pin 10 98A7 pin 14 0000 pin 7 0 00 pin 16 6F6P pin 13 99P4 pin 16 6F6P pin 12 FF53 pin 16 6F6P pin 13 6F6P pin 14 6F6P _________________________________________________________ oo OoT 1eBu ...

Page 379: ...______________________________ A11 A1 A11 A11 A11 U110 U1210 U13 U1320 U1410 pin B 0000 pin 1 H130 pin 1 CU0U pin 1 H13 pim 1 55F3 pin 15 ACF1 pin 2 ACF1 pin 2 C018 pin 2 ACF1 pin 2 6BHC pin 16 3H18 pin B 0000 pin 3 ACF1 pin 8 0000 pim 3 4C40 pin 15 0000 pin 4 H5U5 pin 10 41B6 pim 4 7658 p n 16 3H1 9 pin 5 F16A pin 15 0 00 pin 5 5UHU pin 6 HUP9 pin 16 3H B in 6 62F7 pin FC76 pin 7 0000 pin 8 0000 ...

Page 380: ...pin 8 0000 pin 8 000 pin 9 C018 pin 9 59P5 pin 9 FCF3 pin 11 A426 pin 11 55F3 pin 11 H8C69 pin 12 654F pin 12 F44 pin 12 24FA pin 13 H8C8 pin 13 4C40 pin 13 654F pin 14 19H2 pin 14 62F7 pin 14 993P pin 15 3H18 pin 15 3H18 pin 15 3H18 pin 16 3H18 pin 16 3H18 pin 16 3H18 _______________________________________________________________________ 7D20 SIGNATURE TABLE 6 0 _________________________________...

Page 381: ...ure 99FA Ground Signature 0 00 A11 A11 A11 A1 A1 U310 U410 U7 0 U910 U 01 pin 7 0000 in 7 0 00 p n 7 000 p n 2 00 in 1 07U3 pin 11 3172 pin 8 99FA pin 8 A5UA p m 3 43H pin 2 3172 pin 12 07U3 pin 9 0000 pin 9 99FA pin 4 604A pin 3 043H pin 1 AC r6 pin 10 99FA pin 10 3F30 pin 5 A8 2 in 7 00 0 pin 14 99FA pin 14 99FA pin 14 99FA pin 6 3158 pin 1 A5UA pin 7 A9 C pin 1 A5UA pin 8 00 pin 13 A5QA pin 9 3...

Page 382: ... 99 A pin 6 A8C8 pin 13 6 7U3 pin 14 99FA pin 7 A8C8 pin 14 9 PA in 8 0 0 pin 9 3172 pin 0 99FA s pin 11 3172 pin 12 0000 pin 14 A5UA in 15 A5UA pin 16 99FA _______________________________________________________________________ _________________________________________________________ A11 A11 A11 A11 U 4 0 U1 0 U1600 U1700 pin 1 99FA pin 1 99FA pin 1 99FA pin 1 99 A pin 7 0000 pin 7 0 00 pin 7 00...

Page 383: ...Board 5 Volt Signature 3H18 Ground Signature 0000 A4 A4 A4 A4 A4 U300 U1230 U340 U9 0 U930 pin 1 CU0U pin 1 CU0U pin 9 H8 8 in 3 F16A pin 3 FC76 pin 2 46A2 pin 2 3494 pin 10 A4 6 pin 5 H5U5 p n 5 HQP9 pin 3 8HF9 pin 3 8HF9 pin 11 5B54 pin 4 PBPH pin 4 H5U5 pin 5 149U pin 5 F16A pin 6 6B01 pin 6 HUP9 pin 7 9473 pin 7 FC76 pin 8 0000 pin 8 0000 pin 9 8C29 pin 9 46A2 i pin 11 24FA pin 11 5UHU p n 12 ...

Page 384: ...000 pin 3 P6UU pin 3 P6UU p n 3 P6UU pin 9 0000 pin 8 993P pin 4 H5U5 pin 4 P8PH pin 4 H5U5 pin 10 6801 pin 9 3H18 pin 5 F16A pin 5 2987 pin 5 UF72 pin 11 P5A pin 1 A426 pin 6 P2U1 pin 6 A96C pin 6 U66P pin 15 0000 pin 11 HCP7 pin 7 U66P pin 7 6801 pin 7 HUP9 pin 16 3H18 pin 12 3H18 pin 8 00 0 pin 8 0000 pin 8 0000 pin 13 P6UU pin 9 F13A pin 9 3944 pin 9 32C4 pin 14 3H18 pin 11 4C40 pin 10 P1AU pi...

Page 385: ...ON 1 02 CROSS REFERENCE Use in conjunction with Table 7 1 at the beginning of the Signature Analysis Tables Circuit Number A9U200 A9U300 A9U400 A9U500 A9U600 A9U700 ADD DEC 1982 IC Part Number 160 1164 02 160 1165 02 160 1163 02 160 1162 02 160 1676 02 160 1757 02 ...

Page 386: ...22 5 pin 22 pin 22 f pin 22 b 81 pin 23 bU28 pin 2 bU28 pin 23 bU28 pin 2 bU28 pin 23 bU28 pin 24 621 pin 24 b321 pin 24 b 21 pin 24 ba21 pin 24 6 21 pin 25 7791 pin 25 7791 pin 25 7791 pin 25 7791 pin 25 7791 pin 2b 3 pin 2b pin 2b f pin 2b ti pin 26 pin 27 f t S pin 27 3 f pin 27 1istf pin 27 i l pin 27 i flt pin 28 Stc d3 pin 28 0 i pin 28 1 pi n 28 1 3 pin 28 3 7D2c SIGNATURE TABLE 1 Fi rmware...

Page 387: ...4 6 pim 23 7791 ip 23 7 y1 in 17 V356 pim 25 79 in 24 0003 n 24 0 03 im 16 03 pin 26 03 in 2 0 3 _pin_28_ 0 3_ ____________ _____________ _____________ ___________ _ ___ ___________________________________________________________________ 9 9 A9 A9 9 Q31 U315 U4 W 1 1 _ __ 3 i FFFF piw 1 03 m 35 im 1 48 p 1 0 Pin 2 848 pim 8 8F75 in 759 pim 9QP1 p n 8 n in 3 6F9A im 3 0 1 pin 9 0 03 in P763 in 4 6 ...

Page 388: ...16 0003 _______________________________________________________________________ _______________________________________________________________________ A9 A9 A9 A9 A9 U825 U910 U915 U925 U1010 pin 0 06 p n 1 0000 pin 1 003 pin 1 0003 in 1 7791 pim 2 302H pin 2 0 03 pin 3 0356 in 3 4868 pin 2 6321 in 3 003 pin 3 0003 pim 4 6F9A in 7 63 1 pin 3 37C5 p m 4 003 pin 4 0003 p n 7 P763 p n 8 6U28 pin 4 7...

Page 389: ...t U400 20 0000 Stop U710 11 _ 0000 Board Version 670 7323 00 Cl_ck___TP 824_____ _______1180__ Conf guration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 PB11 Ground Signature 0000 P812 Test Position P900 P907 _______________ A9 U400 pin 11 478C pin 12 3HPH pin 13 7H59 pin 15 3H2H p n 16 0UF3 in 17 U973 pin 18 04CU pin 19 FF3F _______________ ...

Page 390: ... 20 _ 0000 Stop U710 10 _ 0000 Board Version 670 7323 00 Clock TP 824 _ 118 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Vol Signature 118 P904 P905 P906 P810 P811 Ground Signature 004 0 P812 Test Position P900 P907 _______________ A9 U3 0 pin 11 P0 9 pin 12 8P7F pin 13 4UAF pin 15 6P17 pin 16 1PH8 pin 17 CU4P pin 18 7UAU pin 19 6395 ____...

Page 391: ...sseoobly A9 1PL _o 6969 U710 9 0 l k TP 824 1 8 Board Version 8 M a z _ ______________________________ Confi uration MP8 Bm rd on ewtender Re ove P215 720 p9 1 P9 2 P9A 3 5 Vo t Sigmatu e P904 P905 P9A 6 PE 10 P8 1 G ound Signature 0 0 P81 Test Position P90h P96 7 _______________ A9 U 0 in 3 22 p m 12 58 C pim 13 W89C p n 15 3P37 im 6 991H im 1 2 in 8 A3U in 19 3 5 _______________ Stop _ __ ...

Page 392: ...tart U500 20 _ 0000 Stop U710 7 _ 0000 Board Version 670 7323 00 Clock TP B24 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Ground Signature 0000 P812 Test Position P900 P907 A9 U500 pin 11 19HA pin 12 4UFH pin 13 067H pin 15 542C pin 16 96C5 pin 17 F6H4 pin 18 FA7P pin 19 5PFP __________...

Page 393: ...0 20 _ 0000 Stop U710 12 _ 0000 Board Version 670 7323 00 Clock TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P901 P902 P903 5 Volt Signature 1180 P904 P905 P906 P810 P811 Grc und Signature 0000 P812 Test Position P900 P907 Jumper U720 1 to U720 14 A9 U700 pin 11 17F5 pin 12 6U04 pin 13 814F pin 15 1949 pin 16 2H34 in 17 PP20 pin 18 P54C pin ...

Page 394: ..._ 00 0 A9 U6 0 pin 11 CA63 pin 12 HA8U pin 13 7C86 pin 15 H18A pin 16 1U7A pin 17 64C4 pin 18 7A5U pin 19 F055 _______________ Stop U710 12 _ 000 Board Version 670 7323 00 Clo k TP 824 _ 1180 __________________________________ Configuration MPU Board on extender Remove P215 P720 P90 P902 P903 5 Volt Sigmature 118 P904 P905 P906 P81AV P 11 Ground Si nature 0000 P812 Test Position P90A P94V7 Jumper ...

Page 395: ...P7C p m 12 0419 n 14 809P pin 12 H708 pim 12 43 C i 13 041 pin 5 B09P p n 13 0304 pin 13 3253 pim 4 U H n 16 FQ14 pi 14 U607 pin 14 FU6C pin 15 U70H pin 17 FU14 pin 15 UU2F pin 15 9590 in 16 9P24 in 18 pCUA io 6 5735 pim 6 FU6 pip 17 9P l4 pip 9 PCUA im 17 3 pim 1B P3BF pin 20 6C p n 18 F7 2 i 19 P38 p m 1 28HP pim 2 F C n 20 U C ____________________________________________________________________...

Page 396: ...________________________________________________ 2 A2 A2 2 A1 W335 U430 U 00 U720 Q310 m 1 FU6C pin 1 U 4 pin 1 U607 im 2 FU6C pin 496P pi 2 43AC in 2 CH33 pim 2 FU6C in 3 43AC pin 5735 pin 3 FU14 pin 3 Q607 p n 7 000 pin 4 960U pim 6 0000 p n 4 1AFU pin 4 0304 in 8 F22P in 5 960U pin 7 H708 pin 5 960U pin 5 5735 pin 9 FU6C n 6 A293 in 8 00 pin 6 FU6C pin 6 H708 i 14 FU C pin 7 9P24 im 9 UU F in 7...

Page 397: ... pin 9 CH33 pin 6 0000 pin 6 FU6C pin 12 0304 pin 7 0000 pin 7 CH33 pin 15 FU6C pin 8 0000 pin 8 FU6C pin 16 FU6C pin 9 000 pin 9 U607 pin 10 0000 pin 10 0000 pin 11 0000 pin 11 F7Q2 pin 12 000 pin 12 FU6C pin 13 A293 p n 13 UU2F pin 14 FU14 pin 14 FU6C pin 15 0419 pin 15 H70B pin 16 FU6C pin 16 FU6C pin 17 0304 pin 18 FU6C pin 19 FU14 pin 20 FU6C ___________________________________________ 7D3 mi...

Page 398: ... Signature 7ACC Ground Signature 0000 A8 AB A8 A8 A8 U200 U420 U1120 U1220 U1310 pin 1 9616 pin 1 P532 pin 1 0000 pin 1 7CHC ip 2 U88 pin 10 0000 pin 2 8C17 pin 8 0000 pin 2 7UAA pin 3 5634 pin 20 7ACC pin 3 9616 pin 9 7ACC pin 3 71CC pin 5 P532 pin 4 U887 pin 11 7ACC pin 4 7ACC pin 6 PHA2 pin 5 1PCF pin 14 C9C1 pin 5 7ACC pim 8 0000 pin 6 7ACC pin 16 7ACC pin 6 C9C1 p n 10 H9H9 pin 7 7ACC pin 7 0...

Page 399: ...7D20 SIGNATUFcE TAE LE 3 u pin 2 7CHC p i n GHB2 pin 5 7UAA pin b 2FWb pin 8 00 pin i 7A75 i S pin li 71CC pin 13 UU9b pin 14 F83A pin 16 7ACG i ...

Page 400: ...8 Q 00 U2 0 U3 0 U410 U510 n 3 1H08 pin 2 03PP pin 2 U27A pin 2 342A pin 2 2H6A pin 4 7832 pin 3 22P6 pin 3 22P6 pin 3 22P6 pin 3 22P6 pin 7 36CC pin 4 0000 pin 4 000 pin 4 0000 pin 4 0000 pin 8 89P3 pin 5 89P3 pin 5 89P3 pin 5 89P3 pin 5 89P3 pin 11 0000 pin 6 7832 pin 6 7832 pin 6 7832 pin 6 7B3 pin 13 617F pin 7 1H08 pin 7 1H08 pin 7 1H08 pin 7 1H 8 pin 14 272U pin 9 3395 pin 9 3395 pin 9 339 p...

Page 401: ...F im 12 617 im 12 61 F pin 12 617F pim 13 C2HP in 13 C2HP in 13 C2 P pim 13 C2HP pim 16 000 pin 6 000 pin 16 000 pin 16 0000 _______________________________________________________________________ A8 AB A8 A8 A8 U1010 U1110 U1210 U1310 Q1410 pin 4 89P3 pin 4 272U pin 4 B9P3 pin 4 272U pin 4 89P3 pin 7 1H08 pin 7 36CC pin 7 1H08 in 7 36CC pin 7 H08 pin 9 7832 pin 9 C2HP pim 9 7832 pin 9 C2HP pin 9 ...

Page 402: ...1 342A pin 1 8F49 pin 1 3395 pin 1 U27A pin 15 FFP5 pin 9 03PP pin 9 4868 pin 9 FFP5 pin 9 0000 pin 10 U27A pin 10 HF62 pin 10 3395 pin 10 03PP pin 15 2H6A pin 15 FFP5 pin 15 3395 pin 15 342A _______________________________________________________________________ A8 A8 A8 A8 A8 U1180 U800 U1600 U1700 U200 pin 1 HF62 pin 1 8F49 pin 3 FFP5 pin 3 2H6A pin 2 8F49 pin 9 2H6A pin 2 HF62 pin 6 8F49 pin 6...

Page 403: ...______________ A8 A8 U300 U400 pin 2 8F49 pin 2 8F49 pin 5 HF62 pin 5 HF62 pin 6 342A pin 6 342A pin 9 FFP5 pim 9 FFP5 pin 12 4868 p n 12 4868 pin 15 2H6A pin 15 2H6A pin 6 U27A pin 6 U27A p n 19 03PP pin 19 03PP _____________________________ ...

Page 404: ...H4b pin 2 ftfP4 t pin 1 HCPH 4 pin 1 Cb79 pin 3 H32C t pin 3 H8U8 pin iC84 i pin 2 H98U pin 2 bUHB pi n 4 PCP pin 4 bPCF pin 4 bPCF pin lif3lGtf4 D pin 3 bU cfS pi n 5 f pin 5 f f f f pin f sltCf pin 4 fiff s ltef pin 7 f ffif f pi n 8 fnfc fif pin b 6589 pin b CSU pin H98U pin 14 PCP pi n 11 bUfcfS pin 7 980 pin 7 1 G55 pin b 6PCP pi n 13 6PCP pin 8 c l fefftf pin 8 l ft3 f pin 7 6PCP 4 t pin 14 ...

Page 405: ... bFCF i t pin 4 bFCF pin 2 98C h pin 2 H8U8 pin 2 iC84 t pin 1 C679 pin bFCF pin H 2C pin 5 H4b i pin 5 QjF45 pin 2 bH9F t p i n b Cfk fei pin 11 TUFF pin 11 6589 pin 11 CSU pin H98U t p i n 7 fd cs pin 14 1 C55 i pin 4 bFCF i pin 8 bFCF Pin 5 cf i p i n i s uf ts 3fes pin 6 4A F pin 14 6FCF pin 7 bFCF p i n 8 S p pin 9 ef sQf 1 AB i U1 2fd i ti m xx_sxaasxxxxx m pin 4 bFCF i pin i Cff f s p i n b...

Page 406: ...A7 pin 3 66FU pin 3 H90A p m 3 C891 p n 3 3F70 in 3 98A7 pin 4 AA2A pin 4 U4F9 pin 4 0000 pin 4 0 0 in 4 0000 pin 5 000 pin 5 0000 in 5 3F70 pin 5 6F6P in 5 000 pin 6 7F47 pin 6 8P1A in 6 6F6P pin 6 2U4H pin 6 98A7 pin 7 0000 p n 7 55P9 pin 7 6F6P pin 7 6F6P p n 7 99P4 pin 8 0000 pin 8 0000 pin 8 00 0 pin 8 0000 pin 8 0000 pin 11 U4F9 pim 11 U4F9 pin 9 U4F9 pin 10 0000 pin 10 6F6P pin 13 6F6P pin ...

Page 407: ...in 6 66FU in 2 6F6P pin 6 P16C pim 6 98A r in 8 0000 pin 5 0000 pin 8 0000 pin 8 000 pin 10 491P pin 6 6F6P pip 0 8P A pin 10 9BA7 pin 4 000 pin 7 0000 pi 16 6F6P pin 13 99P4 pin 16 6F6P pin 12 F53 pin 16 6F6P i pin 13 6F6P pin 14 6F6P _________________________________________________________ Q S rv o ...

Page 408: ...oard 5 Volt Si mature 3H18 Ground Signa ure 0 00 A11 A11 A11 A11 A 1 U110 U 210 U1310 U1320 W14 0 pim 8 0 pim 1 W130 p n 1 CU0U pin 1 H 30 pin 1 55 3 p n 15 ACF1 pin 2 ACF1 pin 2 C0 8 pin 2 CF pin 2 68HC pin t6 3H18 pin 8 0000 pin 3 CF1 pin 8 000 pin 3 4C40 pim 15 0000 piw 4 5U5 im 1 f 4186 in 4 7658 pin 16 3H B pin 5 16A io 15 0 00 pin 5 5UHU pim 6 HUP9 pin 16 H18 in 6 6 F7 in 7 FC76 pin 7 0000 p...

Page 409: ... pin 8 0000 pin 8 0000 pin 9 C018 pin 9 59P5 pin 9 FCF3 pin 11 A426 pin 11 55F3 pin 11 H8C8 pin 12 654F pin 12 7F44 pin 12 24FA pin 13 H8C8 pin 13 4C40 pin 13 654F pin 14 19H2 pin 14 62F7 pin 14 993P pin 15 3H28 pin 15 3H18 pin 15 3H18 pin 16 3H18 pin 16 3H18 pin 16 3H18 _______________________________________________________________________ 7D20 SIGNATURE TABLE 6 0 _______________________________...

Page 410: ...gnature 4f000 _______________________________________________________________________ A11 A11 A11 A11 A11 U310 U410 U7 0 U910 U1010 p n 7 000 pin 7 0 00 in 7 0000 pin 2 00 0 pin 1 07U3 pin 11 3172 pin B 99FA pin 8 A5UA p n 3 043H p n 2 3172 pin 12 0 U3 pin 9 00 0 pin 9 99FA pin 4 6 4A in 3 043H p n 13 AC76 pin 10 99FA pin 10 3F30 pin 5 A892 pin 7 00 0 pin 4 99FA pin 14 99FA pin 14 99FA pin 6 3158 ...

Page 411: ...n 14 99FA pin 6 A8C8 pin 13 07U3 pin 14 99FA pin 7 A8C8 pin 14 99FA pin 8 0000 pin 9 3172 pin 0 99FA pin 11 3172 pin 12 0000 p n 14 A5UA pin 15 A5UA pin 16 99FA _______________________________________________________________________ _________________________________________________________ A11 A11 A11 A11 U1400 U1500 U1600 U1700 pin 1 99FA pin 1 99FA pin 1 99FA pin 1 99FA pin 7 0000 pin 7 0000 pin...

Page 412: ...__________________ on A9 MPU Board 5 Volt Signature 3H18 Ground Signature 0000 u u4 A4 A4 A4 __ rrmm n7 U340 U910 u m _ __ _ _ _ _ _ r 1 CU0U pim 1 CU0U pin 9 H8C8 pin 3 F16A pin 3 FC76 pzn 2 3494 i 10 A426 pin 5 H5U5 pin 5 HUP9 pin 2 46A2 pxn P n pin 3 8HF9 pin 3 BHF9 pin 11 5854 in 4 P8PH pim 4 H5U5 pin 5 149U pio 5 F16A pin 6 6801 pin 6 HUP9 pin 7 9473 p n 7 FC76 pin 8 0000 pin 8 0000 pin 9 8C2...

Page 413: ...A10 A1 U101 U200 U201 U2 0 U300 pin 4 HCP7 pin 1 CU0U pin CU0U pin 1 C 0U pin 6 A96C pin 5 F13A pin 2 3944 pin 2 32C4 pin 2 3494 pin 8 0000 pin 7 0000 p n 3 P6UU pin 3 P6UQ pin 3 P6UU in 9 0000 pin 8 993P p n 4 H5U5 pin 4 P8PH pin 4 H5U5 in 10 6B 1 pin 9 3H18 pin 5 F16A pin 5 2987 pin 5 UF72 p n 11 P5A0 pin 10 A426 pin 6 P2U1 pin 6 A96C p n 6 U66P pin 15 0000 pin 11 HCP7 pin 7 U66P pin 7 6801 pin ...

Page 414: ...n this section are referenced by figure and index numbers to the illustrations In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification the U S Federal Cataloging Handbook H6 1 can be utilized where possible INCH ELCTRN ELECTRON IN INCH SE SINGLE END u NUMBER SIZE EL...

Page 415: ... NEW ROCHELLE NY 10802 29587 BUNKER RAMO CORP AMPHENOL INDUSTRIAL DIV 1830 S 54TH AVE CHICAGO IL 60650 49671 RCA CORPORATION 30 ROCKEFELLER PLAZA NEW YORK NY 10020 71159 BRISTOL SOCKET SCREW DIV OF AMERICAN CHAIN AND CABLE CO INC P O BOX 2244 40 BRISTOL ST WATERBURY CT 06720 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 77900 SHAKEPROOF DIV OF ILLINOIS TOOL WORKS SAINT CHARLES RD ...

Page 416: ...55 00 19 105 0922 00 1 RELEASE LATCH PLUG IN UNIT 80009 105 0922 00 20 366 2023 Ot 1 KNOB GRAY 80009 366 2023 01 _21 ____ ___ 1 RESISTOR VAR SEE R10 R20 REPL ATTACHING PARTS 22 210 0583 00 2 NUT PLAIN HEX 0 25 32 X 0 312 INCH BRS 73743 2X20317 402 23 210 0046 00 2 WASHER LOCK 0 261 ID INTL 0 018 THK BRS 77900 1214 05 00 0541C END ATTACHING PARTS 24 214 3386 00 1 SPRING HLEXT 2 4 INCH LONG MUSIC WI...

Page 417: ...4 ROLLER DETENT 0 125 DIA X 0 125 SST 80009 214 1127 00 _g4 214 1126 01 4 SPRING FLAT 0 7 X 0 125 CU BE GRN CLR 80009 214 1126 01 65 384 1623 02 2 SHAFT ROTARY SW 16 10 POSN 1 44 INCH LON 80009 384 1623 02 66 352 0457 36 4 HOLDER CONTACT 1 CONTACT GRAY PC 80009 352 0457 36 67 401 0341 01 2 BEARING RTRY SW REAR 0 252 ID 80009 401 0341 01 68 131 0787 00 38 TERMINAL PIN 0 64LX0 025S0 PH BRZ GOLD 2252...

Page 418: ...2 108 214 0579 00 11 TERM TEST POINT BRS CD PL 80009 214 0579 00 200 1673 00 2 COVER XSTR TEMP STABS SHAPED 05820 ORD BY DESCR 109 386 1556 00 22 SUPPORT CKT BD 0 215 H ACETAL 80009 386 1556 00 110 337 2988 00 1 SHIELD ELEC CIRCUIT BOARD 80009 337 2988 00 111 1 CKT BOARD ASSY CCD SEE A5 REPL ATTACHING PARTS 112 211 0008 00 2 SCREW MACHINE 4 40 X 0 250 PNH STL POZ 83385 ORD BY DESCR END ATTACHING P...

Page 419: ... IN ELEK MICROCIRCUIT 18 DIP 09922 DILBIBP 108 154 337 3043 00 1 SHIELD ELEC CIRCUIT BOARD 80009 337 3043 00 155 1 CKT BOARD ASSY TRIGGER SEE A10 REPL 156 214 0579 00 6 TERM TEST POINT BRS CD PL 80009 214 0579 00 157 131 1003 00 3 CONN RCPT ELEC CKT BD MT 3 PRONG 80009 131 1003 00 158 136 0252 07 3 SOCKET PIN CONN W O DIMPLE 22526 75060 012 159 136 0752 00 t SKT PL IN ELEK MICROCIRCUIT 20 DIP 0992...

Page 420: ...KT BD TO CH1 POSITION POT 352 0161 02 1 CONN BODY PL EL 3 WIRE RED 80009 352 0161 02 175 4980 00 1 CA ASSY SP ELEC RIBBON 10 0 INCH LONG 80009 175 4980 00 _____ _____ TIME BASE CKT BOARD TO CH2 POSITION POT 352 0163 03 1 HLDR TERM CONN 5 WIRE ORANGE 80009 352 0163 03 175 4477 00 1 CA ASSY SP ELEC 2 26 AWG 7 0 L RIBBON 80009 175 4477 00 _____ ____ TIME BASE CKT BD TO FRONT PANEL EXTERNAL _____ ____...

Page 421: ... lam F4 ...

Page 422: ...7D20 PROGRAMMABLE DIGITIZER ...

Page 423: ...01 1 MANUAL TECH SERVICE 80009 070 3858 01 070 1728 00 4 MANUAL TECH GUIDE 80009 070 1728 00 070 3205 01 1 MANUAL TECH REF 7D20 80009 070 3205 01 OPTIONAL ACCESSORIES 067 0616 00 1 FIXTURE CAL PLUG IN EXTENDER 80009 067 0616 00 a n 067 1051 00 1 FIXTURE CAL EXTENDER BOARD 80009 067 1051 00 n m 020 0903 00 1 ACCESSORY KIT 80009 020 0903 00 N REV SEP 1984 7D20 PROGRAMMABLE DIGITIZER O m ...

Page 424: ...AL PARTS LIST CHANGES A5CR520 152 0322 00 SEMICOND DEVICE SILICON I5V H0T CARRIER A5CR530 152 0322 00 SEMICOND DEVICE SILICON I5V HOT CARRIER A5CR531 152 0322 00 SEMICOND DEVICE SILICON I5V HOT CARRIER A5CR541 152 0322 00 SEMICOND DEVICE SILICON I5V HOT CARRIER A5CR571 152 0322 00 SEMICOND DEVICE SILICON I5V H0T CARRIER A5CR572 152 0322 00 SEMICOND DEVICE SILICON ISV HOT CARRIER A5CR583 152 0322 0...

Page 425: ...ST CHANGES A5C850 281 0158 00 CAP VAR CER D1 7 45PF 50V A5C851 281 0158 00 CAP VAR CER D1 7 45PF 50V TEXT CHANGES Make the following corrections to TABLE 4 2 Test Equipment 2 Test Oscilloscope Example of Applicable Test Equipment Change P6008 to P6106A Add the following new item 17 Calibration Fixture L shaped circuit board extender used to extend A5 for component adjustment access Tektronix part ...

Page 426: ... b Set 7D20 Power to OFF Remove the upper circuit board supports from the 7D20 Remove the A5 CCD Circuit Board Assembly from the 7D20 and install the 067 1051 00 Circuit Board Extender in its place Plug A5 into the extender and set 7D20 Power to ON c Position the test oscilloscope trace to the third graticule line below graticule center d Connect the test oscilloscope probe ground to the A5 CCD ci...

Page 427: ...djustment interaction must be compensated for I Set 7D20 Power to OFF Remove the A5 CCD Circuit Board Assembly from the 067 1051 00 Circuit Board Extender and remove the extender from the 7D20 Install A5 in the 7D20 and re attach the upper circuit board supports Set the 7D20 Power to ON Add the following note at the beginning of step A9 NOTE If difficulty is experienced making the following ERD ad...

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