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Tektronix 2236, Инструкция по эксплуатации


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Replaceable  Electrical  Parts  -   2236  Service

T e k tro n ix  

S e r ia l/A s s e m b ly   N o . 

M fr .

C p tp p p n e n t  N f i, 

P a r t  N 9 .______E ffe c tiv e  

D s c o n t_________ N a m e   &   D e s c rip tio n ______________________ C o d e  

M fr .  P a r t  N o .

010206

1 5 1 -0 3 6 9 -0 0

TR A N SIST0R :PN P,S I,X-55

04713

SPS8273

010207

1 5 1 -0 3 6 9 -0 0

TR A N SIST0R :PN P,S I,X-55

04713

SPS8273

010230

1 5 1 -0 2 7 1 -0 0

TR A N SISTO R :PN P,SI,T0-92

04713

SPS8236

010231

1 5 1 -0 2 7 1 -0 0

TR A N S IS T0R :P N P ,S I,T0-92

04713

SPS8236

010254

1 5 1 -0 7 5 2 -0 0  

8010100

B017648

TRANSIST0R:NPN,SI,MARCO  T

25403

BFR96

010254

1 5 1 -0 7 5 2 -0 1  

8017649

TRANSIST0R:NPN,SI'NARCO  T

04713

SRF3188

010255

1 5 1 -0 7 5 2 -0 0  

B010100

B017648

TRANSIST0R:NPN,S1, MARCO  T

25403

BFR96

010255

1 5 1 -0 7 5 2 -0 1  

8017649

TRANSISTOR:NPN'SI'NARCO  T

04713

SRF3188

010256

1 5 1 -0 7 5 2 -0 0

TRANSIST0R:NPN'SI'MARCO  T

25403

BFR96

010257

1 5 1 -0 7 5 2 -0 0

TRANSIST0R:NPN'SI'NARCO  T

25403

BFR96

Q1Q283

1 5 1 -0 7 3 6 -0 0

TR A N S IS T0R :N P N 'S I,T0-92

80009

1 5 1 -0 7 3 6 -0 0

010284

1 5 1 -0 7 1 2 -0 0

TR A N S IS T0R :P N P ,S I,T0-92

04713

SPS8223

010285

1 5 1 -0 7 1 2 -0 0

TR A N S IS T0R :P N P ,S I,T0-92

04713

SPS8223

010302

1 5 1 -0 7 1 1 -0 1

TR 0N SISTO R :N P N 'S I,T0-92

04713

SPS8608H

010303

1 5 1 -0 7 1 1 -0 1

TR A N S IS T0R :N P N 'S I,T0-92

04713

SPS8608M

01Q327

1 5 1 -0 7 1 1 -0 1

T R 9N S IS T 0R :N P N 'S I,T 0-92

04713

SPS8608M

010328

1 5 1 -0 7 1 1 -0 1

TR A N S IS T0R :N P N 'S I,T0-92

04713

SPS8608N

01Q382

1 5 1 -1 0 4 2 -0 0

SENIC0N0  DVC  S E :F E T ,S I.T O -9 2

04713

SPF627M2

010384

1 5 1 -0 7 1 1 -0 0

TR A N S IS T0R :N P N 'S I,T0-92

80009

1 5 1 -0 7 1 1 -0 0

010397

1 5 1 -0 1 9 0 -0 0

TRANSISTOR-.NPN'SI ,T 0 -9 2

80009

1 5 1 -0 1 9 0 -0 0

010402

1 5 1 -0 2 7 6 -0 0

TRANSISTOR'.PNP'SI ,T 0 -9 2

04713

SPS8025

010403

1 5 1 -0 2 7 6 -0 0

TR A N S IS T0R :P N P 'S IJO -92

04713

SPS8025

010413

1 5 1 -0 1 9 0 -0 0

T R A N S IS T0R :N P N 'S IJO -92

80009

1 5 1 -0 1 9 0 -0 0

010419

1 5 1 -0 7 1 1 -0 0

T R 0N S IS T 0R :N P N 'S IJO -92

80009

1 5 1 -0 7 1 1 -0 0

010420

1 5 1 -0 7 1 1 -0 0

TRANSIST0R:NPN'SI J O -9 2

80009

1 5 1 -0 7 1 1 -0 0

010421

1 5 1 -0 7 1 2 -0 0

TR A N S IS T0R :P N P 'S IJO -92

04713

SPS8223

010422

1 5 1 -0 1 9 9 -0 0

TR A N S IS T0R :P N P ,S IJO -92

27014

ST65057

010423

1 5 1 -0 4 2 4 -0 0

TR A N SIST0R :N PN ,SI.T0-92F

04713

SPS8246

010428

1 5 1 -0 7 1 1 -0 0

T R 0N S IS T 0R :N P N 'S I,T 0-92

80009

1 5 1 -0 7 1 1 -0 0

010429

1 5 1 -0 7 1 2 -0 0

T R A N S IS T0R :P N P .S IJO -92

04713

SPS8223

010440

1 5 1 -0 7 1 1 -0 0

TR A N S IS T0R :N P N 'S IJO -92

80009

1 5 1 -0 7 1 1 -0 0

010441

1 5 1 -0 7 1 1 -0 0

TR A N SISTO R lN PN 'SIJO -92

80009

1 5 1 -0 7 1 1 -0 0

010460

1 5 1 -0 7 1 2 -0 0

TRANSISTOR:PNP'SI J O -9 2

04713

SPS8223

010463

1 5 1 -0 7 1 2 -0 0

TRANSIST0R:PNP'SI J O -9 2

04713

SPS8223

010509

1 5 1 -0 1 8 8 -0 0

TR A N SISTO R :PN P,SIJO -92

80009

1 5 1 -0 1 8 8 -0 0

010511

1 5 1 -0 1 8 8 -0 0

TR A N SISTO R :PN P'SI,T0-92

80009

1 5 1 -0 1 8 8 -0 0

01Q525

1 5 1 -0 1 9 0 -0 0

TR A N SISTO R lN PN .SI,T0-92

80009

1 5 1 -0 1 9 0 -0 0

010576

1 5 1 -0 1 9 9 -0 0

TR A N S IS T0R :P N P 'S I,T0-92

27014

ST65057

01Q578

1 5 1 -0 1 9 9 -0 0

TR A N SISTO R lPN P 'SIJO -92

27014

ST65057

010583

1 5 1 -0 1 9 8 -0 0

TRANSISTOR:SELECTED

04713

SPS8802-1

010586

1 5 1 -0 1 9 8 -0 0

TRANSISTOR: SELECTED

04713

SPS8802-1

Q1Q7S6

1 5 1 -0 1 9 0 -0 0  

B010100

B012999

TRANSISTORlNPN'SI J O -9 2

80009

1 5 1 -0 1 9 0 -0 0

010756

1 5 1 -0 4 3 2 -0 0  

8013000

TR A N SISTO R lN PN 'SIJO -106

04713

SPS8512

010770

1 5 1 -0 1 8 8 -0 0

TR A N SISTO R :PN P,SIJO -92

80009

1 5 1 -0 1 8 8 -0 0

010775

1 5 1 -0 3 4 7 -0 0

TRANSISTOR:NPN,SI J O -9 2

04713

SPS7951

010779

1 5 1 -0 3 5 0 -0 0

TR A N SISTO R lPN P ,SI,T0-92

04713

SPS6700

010780

1 5 1 -0 1 9 0 -0 0

TR D N SISTO R lN PN 'SIJO -92

80009

1 5 1 -0 1 9 0 -0 0

010785

1 5 1 -0 3 4 7 -0 0

TRA N SISTO R :N PN 'SI,T0-92

04713

SPS7951

Q1Q789

1 5 1 -0 3 5 0 -0 0

TRANSISTOR'.PNP'SI J O -9 2

04713

SPS6700

010804

1 5 1 -0 1 8 8 -0 0

TR A N SISTO R :PN P,SI,T0-92

80009

1 5 1 -0 1 8 8 -0 0

010814

1 5 1 -0 1 8 8 -0 0

TRANSISTO R:PNP'SI.TO -92

80009

1 5 1 -0 1 8 8 -0 0

010825

1 5 1 -0 4 2 4 -0 0

TR A N S IS TO R :N P N 'S IJ0-92F

04713

SPS8246

010829

1 5 1 -0 1 9 9 -0 0

TRANSISTOR:PNP,SI.TO-92

27014

ST65057

010835

1 5 1 -0 1 9 9 -0 0

TRANSISTO R:PNP'SI.TO -92

27014

ST65057

010840

1 5 1 -0 3 4 7 -0 0

TRANSISTOR:NPN,SI.TO-92

04713

SPS7951

010845

1 5 1 -0 3 5 0 -0 0

TRANSISTO R:PNP.SI.TO -92

04713

SPS6700

010885

1 5 1 -0 4 4 3 -0 0

TRANSISTO R:PNP'SI.TO -92

04713

SPS7950

010908

1 5 1 -0 1 6 4 -0 0

TRANSISTO R:PNP'SI'TO -92

04713

2N2907A

010928

1 5 1 -0 4 3 2 -0 0

TRANSISTORtNPN'SI J O -1 0 6

04713

SPS8512

8 - 1 0

R E V   N O V   1 9 8 6

Содержание 2236

Страница 1: ...IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO THE OPERATORS SAFETY SUMMARY AND THE SERVICE SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL 2236 OSCILLOSCOPE SERVICE INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number 070 4204 00 Product Group 46 First Printing MAR 1983 Revised NOV 198...

Страница 2: ...price change privileges are reserved INSTRUMENT SERIAL NUMBERS Each instrument has a serial number on a panel insert tag or stamped on the chassis The first number or letter designates the country of manufacture The last five digits of the serial number are assigned sequentially and are unique to each instrument Those manufactured in the United States have six unique digits The country of manufact...

Страница 3: ...SATION 2 15 Page SECTION 3 THEORY OF OPERATION INTRODUCTION 3 1 SECTION ORGANIZATION 3 1 INTEGRATED CIRCUIT DESCRIPTIONS 3 1 GENERAL DESCRIPTION 3 2 OSCILLOSCOPE 3 2 CTM 3 3 DETAILED CIRCUIT DESCRIPTION 3 4 OSCILLOSCOPE 3 4 VERTICAL ATTENUATORS 3 4 Input Coupling 3 4 Buffer Amplifier and Gain Switching Network 3 5 Paraphase Amplifier 3 5 VERTICAL PREAMPLIFIERS 3 5 CHANNEL SWITCH AND VERTICAL OUTPU...

Страница 4: ... 3 20 Ohms Reference 3 35 CPU SYSTEM 3 20 Overload Protection 3 36 Microprocessor Reset 3 20 Serial Interface 3 36 CPU Clock and Interrupt Relay Drive 3 36 Timing 3 20 DMM Power Supply 3 37 Address Decoding Logic 3 20 ROM 3 20 Buffered Data Bus Latch 3 21 Counter Data Bus Switch 3 21 DISPLAY SYSTEM Display Multiplexing 3 21 SECTION 4 PERFORMANCE CHECK Display and Filament Driver 3 21 PROCEDURE INP...

Страница 5: ...OUBLESHOOTING PROCEDURE 6 10 CORRECTIVE MAINTENANCE ___ 6 22 INTRODUCTION 6 22 MAINTENANCE PRECAUTIONS 6 22 Page SECTION 6 MAINTENANCE cont OBTAINING REPLACEMENT PARTS 6 22 MAINTENANCE AIDS 6 22 INTERCONNECTIONS 6 22 TRANSISTORS AND INTEGRATED CIRCUITS 6 24 SOLDERING TECHNIQUES 6 24 REMOVAL AND REPLACEMENT INSTRUCTIONS 6 25 Cabinet 6 25 CTM Circuit Board 6 25 Display Circuit Board 6 27 Cathode Ray...

Страница 6: ...tions 2 11 Probe compensation 2 15 9 3 Locating components on schematic dia grams and circuit board illustrations 9 4 Oscilloscope basic block diagram 3 1 Block diagram of the Vertical Attenuators 3 4 9 5 Oscilloscope detailed block diagram 3 2 Block diagram of the Channel Switching 9 6 CTM basic block diagram circuitry 3 6 9 7 CTM detailed block diagram 3 3 Block diagram of the A Sweep Generator ...

Страница 7: ...width Checks 4 7 4 4 Settings for Timing Accuracy Checks 4 10 6 1 Relative Susceptibility to Static Discharge 4 5 Switch Combinations for A Triggering Damage 6 1 Checks 4 12 6 2 External Inspection Checklist 6 3 4 6 Dc Voltage Readout Checks 4 17 6 3 Internal Inspection Checklist 6 3 4 7 Ac Voltage Readout Checks 4 17 6 4 Power Supply Limits and Ripple 6 8 4 8 Dc CH 1 Readout Checks 4 18 6 5 Contr...

Страница 8: ... can render an electric shock DANGER indicates a personal injury hazard immediately ac cessible as one reads the marking Symbols in This Manual This symbol indicates where applicable cautionary or other information is to be found For maximum input voltage see Table 1 1 Use the Proper Power Cord Use only the power cord and connector specified for your product Use only a power cord that is in good c...

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

Страница 10: ...2236 Service viii The 2236 Oscilloscope ...

Страница 11: ...emperature probe to the Multimeter input connectors The Multimeter measurement values are dis played with a 3 3 4 digit 5000 count format on the digital readout The instrument is shipped with the following standard accessories 1 Operators manual 2 Multimeter test lead clips 1 Probe package 2 Multimeter test leads 1 Power cord For part numbers and information about instrument ac cessories refer to ...

Страница 12: ... Division to 5 V per Division 3 9 ns or less 8 2 mV per Division 4 4 ns or less 8 Aberrations Positive Going Step 2 mV per Division 5 5 5 p p Measured with 5 division reference signal centered vertically from a 50 fl source driving a 50 0 coaxial cable terminated in 50 fi at the input connector with the VOLTS DIV Variable control in the CAL detent 5 mV per Division to 0 5 V per Division 4 4 4 p p ...

Страница 13: ...AC Coupled 400 V dc peak ac or 800 V ac p p to 10 kHz or less 3 Common Mode Rejection Ratio CMRR At least 10 to 1 at 50 MHz Checked at 10 mV per division for common mode signals of 6 divisions or less with VOLTS DIV Variable control adjusted for best CMRR at 50 kHz Input Current 1 0 nA or less 0 5 division trace shift at 2 mV per division 3 Trace Shift with Attenuator Rotation 0 75 division or les...

Страница 14: ...0 mV external TV FIELD Mode 1 0 division of composite sync B TRIGGER Sensitivity Internal Only B Sweep 10 MHz 60 MHz 100 MHz 0 35 div 1 2 div 1 5 div Counter 0 5 div 1 5 div 2 0 div EXT INPUT Maximum Input Voltage 400 V dc peak ac or 800 V ac p p at 10 kHz or less See Figure 1 1 for derating curve Input Resistance 1 Mfi 2 Input Capacitance 22 pF 2 5 pF AC Coupled 10 Hz or less at lower 3 dB point ...

Страница 15: ...ision in a 1 2 5 sequence X I0 magnifier extends maximum sweep speed to 5 ns per division Accuracy 15 C to 35 C Unmagnified Magnified Sweep accuracy applies over the center 8 divisions Exclude the first 25 ns of the sweep for magnified sweep speeds and anything beyond the 100th magnified division 2 3 0 C to 50 C 3 a 4 a POSITION Control Range Start of sweep to 10th division will position past the ...

Страница 16: ... to 35 C 3 Measured with a dc coupled 5 division reference signal 0 C to 50 C 4 a Y Axis Same as Vertical Deflection System 8 Bandwidth 3 dB X Axis Dc to at least 2 5 MHz Measured with a 5 division reference signal Y Axis Same as Vertical Deflection System 8 Phase Difference Between X and Y Axis Amplifiers 3 from dc to 50 kHz 8 With dc coupled inputs PROBE ADJUST Output Voltage of PROBE ADJUST 0 5...

Страница 17: ...llion Less than 1 X 10 7change per month Nongated Mode Hz Resolution Error tC 4 N T J E F iLso Accuracy Resolution Error TBE F Gated Mode Hz Resolution Error Accuracy Resolution Error Frequency Gating Error TBE F Gating Error TJE Trigger jitter error seconds F Frequency of input Hz N Number of input samples accumulated F 0 25 second 0 01 second S 1 LSD One count in least significant digit TBE Time...

Страница 18: ...b LSD L NgVG J Accuracy Resolution Error Time Interval Gating Error TBE P Time Interval Gating Error 2 ns Width Ranges Maximum Resolution 5s 1 s 100 ms 1 M S 100 ns 10 ns 10 ms 1 ms 100 M S 1 ns 100 ps 10 ps TJE Trigger jitter error seconds P Period of input seconds N Number of input samples accumulated F 0 25 second 0 01 second 1 LSD One count in least significant digit TBE Time base error fracti...

Страница 19: ... 1 2 slew rate of trailing edge 1 r slew rate of leading edge J Sensitivity See A and B TRIGGER sensitivities expressed in divisions on screen 3 Slew rate expressed in divisions on screen Delay Time Ranges Maximum Resolution3 5s 1 s 100 ms 1 M S 100 ns 10 ns 10 ms 1 ms 100 M S 1 ns 100 ps 10 ps TJE Trigger jitter error seconds N Number of input samples accumulated F 0 25 second 0 01 second 1 TBE T...

Страница 20: ...olution3 5s 1 MS 1 s 100 ns 100 ms 10 ns 10 ms 1 ns 1 ms 100 ps lOOps 10 ps Maximum Displayable Delta Time 2 5 seconds3 B Runs After Delay seconds Resolution Error 2 delay time jitter 10 nsec3 yjG G Accuracy Resolution Error TBE TA G Number of gate intervals in one measurement A sweep repetition rate 0 25 second 0 01 second 1 TBE Time base error fractional Td Delay time being measured in seconds T...

Страница 21: ...e of en 1 divisions RMS BW LIMIT On BW LIMIT Off 2 mV per Division 0 08 0 1 5 mV per Division to 5 V per Division 0 04 0 05 MULTIMETER DC Volts Ranges Resolution 0 5 V 100 tV 5 V 1 mV 50 V 10 mV 500 V 100 mV Display Update Rate 2 5 per second G Number of gate intervals in one measurement A sweep repetition rate 0 2S second 0 01 second 1 TJE Trigger jitter error seconds N Number of input samples ac...

Страница 22: ...mV 100 mV 2 5 per second Accuracy 20 Hz to 20 kHz 18 C to 28 C 1 0 of reading 6 LSDs 0 C to 18 C and 1 5 of reading 8 LSDs a 28 C to 40 C Common Mode Rejection 60 dB from 48 Hz to 62 Hz Crest Factor s3 0 to maintain stated accuracy Resistance Ranges Resolution8 50 fi 0 01 fi 500 fi 0 1 fi 5 Kfi 1 fi 50 Kfi lOfi 500 Kfi 100 Q 5 Mfi 1 Kfi 50 Mfi 10 Kfi 200 Mfi 100 Kfi 2 Gfi 10 Mfi Display Update Rat...

Страница 23: ...Ds 1 0 of reading 1 LSD 10 0 of reading 1 LSD 0 C to 18 C and 28 C to 40 C 0 5 of reading 22 LSDs 3 0 2 of reading 4 LSDs 3 1 5 of reading 2 LSDs 3 15 0 of reading 2 LSDs 3 Continuity With less than 5 012 112 mesured an audible tone will be generated 3 Temperature Probe Tip Measurement Range 62 C to 240 C in one range 3 With the temperature probe not plugged in the readout will display ProbE Resol...

Страница 24: ...1 Volts 1X Probe 10X Probe P6121 Ranges Re iolution Ranges determined by CH 1 VOLTS DIV switch Multimeter automatically switches to 10X ranges when a P6121 is used 0 5 V 5 V 50 V 5 V 50 V 500 V 1 1 00 M V 1 mV 10mV 1 mV 10 mV 0mV Dc Volts Display Update Rate 2 3 per second Selected by setting the Channel 1 input coupling switch to DCV Accuracy 18 C to 28 C IX Probe 10 Probe 0 30 of reading 6 LSDs ...

Страница 25: ...0 5 XI0 apply 4 V 0 01 20 kHz sinewave 18 C to 28 C 2 0 1 0 2 0 of reading 6 LSDs of reading 6 LSDs of reading 6 LSDs 0 C to 18 C and 28 C to 50 C 2 25 of reading 8 LSDs 8 1 25 of reading 8 LSDs 8 2 25 Of reading 8 LSDs 8 Crest Factor 3 0 to maintain stated accuracy 8 POWER SOURCE Line Voltage Ranges 90 V to 250 V 8 Line Frequency 48 Hz to 440 Hz 8 Maximum Power Consumption 60 W 11OVA 8 Line Fuse ...

Страница 26: ... Altitude Operating To 4 500 m 15 000 ft Maximum operating temperature decreased 1 C per 1 000 ft above 5 000 ft Nonoperating To 15 000 m 50 000 ft Humidity Operating and Nonoperating 5 cycles 120 hours referenced to MIL T 28800C paragraph 4 5 5 1 2 2 for Type III Class 5 instruments Nonoperating and operating of 95 5 to 0 relative humidity Operating at 30 C and 40 C for AC RMSV DCV and fi Modes o...

Страница 27: ...ch 6 0 kg 13 3 lb Domestic Shipping Weight 10 1 kg 22 2 lb Height 137 mm 5 4 in Width With Handle 360 mm 14 2 in Without Handle 328 mm 12 9 in Depth With Front Cover 446 mm 17 5 in Without Front Cover 440 mm 17 3 in With Handle Extended 513 mm 20 2 in Figure 1 1 Maximum input voltage vs frequency derating curve for CH 1 OR X DMM CH 2 OR Y and EXT INPUT connectors REV JAN 1985 1 17 ...

Страница 28: ...Specification 2236 Service 1 18 ADD JAN 1985 Figure 1 2 Physical dimensions of the 2236 Oscilloscope ...

Страница 29: ...x Field Office for additional power cord information LINE FUSE The instrument fuse holder is located on the rear panel see Figure 2 2 and contains the line fuse The following procedure can be used to verify that the proper fuse is in stalled or to install a replacement fuse 1 Unplug the power cord from the power input source if applicable Plug Configuration Usage Line Voltage Reference Standards N...

Страница 30: ...ment points are indicated at the left edge of the graticule 2 POWER Switch Turns instrument power on and off Press in for ON press again for OFF 3 Power Indicator An LED that illuminates when power is available to the instrument and the POWER switch is set to ON button in A FOCUS Control Adjusts for optimum display definition T PROBE ADJUST Connector Provides an approxi mately 0 5 V negative going...

Страница 31: ...ion factor the VOLTS DIV variable control must be in the calibrated CAL detent fully clockwise The CH 1 VOLTS DIV switch selects the range for Multimeter voltage mea surements in CH 1 V CTM mode IX Indicates the deflection factor selected when using either a IX probe or a coaxial cable 10X PROBE Indicates the deflection factor se lected when using a 10X probe VOLTS DIV Variable Controls When rotat...

Страница 32: ... switches are used to select the mode of operation for the vertical amplifier system CH 1 Selects only the Channel 1 input signal for display BOTH Selects both Channel 1 and Channel 2 in put signals for display The BOTH position must be selected for either ADD ALT or CHOP operation CH 2 Selects only the Channel 2 input signal for display ADD Displays the algebraic sum of the Channel 1 and Channel ...

Страница 33: ...and B SEC DIV Variable knob The fastest sweep speed can be ex tended to 5 ns per division Push in the A and B SEC DIV Variable knob to regain the XI sweep speed 2 n HORIZONTAL MODE Switch Three position switch determines the mode of operation for the horizontal deflection system and for frequency period width and totalize measurements A Horizontal deflection is provided by the A Sweep generator at...

Страница 34: ...in the spring return but ton momentarily to arm the A Sweep circuit or a single sweep display or to reset the CTM when in TOTALIZE mode In CH 1 V mode pressing the SGL SWP RESET button will enter or cancel rela tive reference mode In single sweep display mode the trigger system operates the same as NORM except only one sweep is displayed for each trigger signal Another sweep cannot be displayed un...

Страница 35: ...ector is the source of the trigger signal A EXT COUPLING Switch Determines the method used to couple external signals to the A TRIGGER circuit from the EXT INPUT connector Table 2 1 VERT MODE Trigger Source VERTICAL MODE Trigger Source CH 1 CH 1 OR X DMM input signal CH 2 CH 2 OR Y input signal BOTH and ADD Algebraic sum of CH 1 OR X DMM and CH 2 OR Y input signals BOTH and CHOP Algebraic sum of C...

Страница 36: ...T button WIDTH Measures the width of the trigger signal from the output of the A Trigger circuit instrument in A HORIZONTAL MODE or the B Trigger circuit instrument in ALT or B HORIZONTAL MODE With the trigger slope switch in positive position the CTM measures the positive displayed half cy cles of the trigger signals when in negative posi tion the CTM measures the negative displayed half cycles o...

Страница 37: ...nto a Self Test routine by setting the UPPER FUNC TIONS LOWER FUNCTIONS switch to IN and pressing in the FREQ PER and WIDTH buttons at the same time The message SELF tESt will be displayed on the readout to indicate that the rou tine is in self test mode To exit from the routine press in any of the CTM front panel buttons to re gain normal measurement mode Repeated press ing of the SGL SWP RESET b...

Страница 38: ...Operating Instructions 2236 Service Fig 2 8 Multimeter right side panel connectors Fig 2 9 Rear panel connector 2 10 ...

Страница 39: ...e offers a high input impedance that minimizes circuit loading This allows the circuit under test to operate with a minimum of change from its normal condition as measurements are being made Coaxial cables may also be used to connect signals to the input connectors but they may have considerable effect on the accuracy of a displayed waveform To maintain the original frequency characteristics of an...

Страница 40: ...to either CH 1 or CH 2 input connectors The gate interval set by adjusting the intensified zone with the B DELAY TIME POSITION control and the B SEC DIV switch must be shorter than the A Sweep duration such that the intensified zone ends before A Sweep ends The A TRIGGER A B INT switch and the B TRIGGER LEVEL control and SLOPE switch are effective in conditioning the input signal Noise may be coup...

Страница 41: ...vice Fd In Resistance Semiconductor mode Fd will be displayed on the left side of the readout to indicate that a forward voltage drop is being displayed Probe When the temperature probe exceeds its internal resistance limits the readout will display ProbE to indicate that the temperature probe is either faulty or disconnected from the Multimeter input connectors Short In Continuity mode the readou...

Страница 42: ...e CAL detent X I0 Magnifier Off knob in B DELAY TIME POSITION Fully counterclockwise B TRIGGER SLOPE OUT LEVEL Fully clockwise A TRIGGER VAR HOLDOFF Mode SLOPE LEVEL A B INT A SOURCE A EXT COUPLING NORM P P AUTO OUT Midrange VERT MODE INT AC CTM UPPER FUNCTIONS LOWER FUNCTIONS Function Select A TIME POSITION OUT All buttons out Midrange 2 Press in the POWER switch button ON and allow the instrumen...

Страница 43: ...k the waveform presentation for overshoot and rolloff see Figure 2 11 If necessary adjust the probe com pensation for flat tops on the waveforms Refer to the in structions supplied with the probe for details of compensation adjustment 8 Select CH 1 VERTICAL MODE and connect the Chan nel 1 probe tip to the PROBE ADJUST output jack CORRECT FLAT UNDER COM PENSATED ROLLOFF OVER COM PENSATED OVERSHOOT ...

Страница 44: ... Channel 1 Input Coupling switch to AC RMSV 2 Connect the AC Calibration System output via a 50 Q cable to CH 1 OR X DMM input connector 3 Adjust the generator output to produce a 400 mV 10 kHz display Vertically center the display 4 Set UPPER FUNCTIONS LOWER FUNCTIONS switch to OUT and press in the CH 1 V button 5 Note the ac voltage display on the readout for future comparison in step 8 6 Replac...

Страница 45: ...ram and the two block diagrams INTEGRATED CIRCUIT DESCRIPTIONS Digital Logic Conventions Digital logic circuits perform many functions within the instrument Functions and operation of the logic circuits are represented by logic symbology and terminology Most logic functions are described using the positive logic convention Positive logic is a system of notation whereby the more pos itive of two le...

Страница 46: ...s a dc offset current to the Vertical Output Amplifier which vertically posi tions the B trace with respect to the A trace when Alt Hori zontal Mode is selected The A Trigger circuitry uses either an Internal Trigger sig nal an External Trigger signal or a Line Trigger signal ob tained from the ac power line to develop the gate signal for the A Sweep Generator The B Trigger circuitry uses only the...

Страница 47: ...els that are rectified and filtered to produce the operating voltages A high voltage multiplier circuit produces the ac celerating focus and cathode potentials required by the crt A front panel PROBE ADJUST output is provided for use in adjusting probe compensation The voltage at the PROBE ADJUST connector is a negative going square wave that has a peak to peak amplitude of approximately 0 5 V and...

Страница 48: ...d to the CH 1 OR X connector provides horizontal X Axis deflection for the display and the signal applied to the CH 2 OR Y connector provides the vertical Y Axis deflection for the display Input Coupling The signal applied to the CH 1 OR X input connector can be ac coupled dc coupled or disconnected from the input of the High Impedance Input Attenuator circuit Signals applied to the CH 1 OR X inpu...

Страница 49: ...at provides extra gain for the 2 mV position of the VOLTS DIV switch adjustments for am plifier dc balance and circuitry for the Variable Volts Div function Additionally the Channel 2 Paraphase Amplifier contains circuitry to invert the Channel 2 display The signal from the Gain Switching Network is applied to the base of one transistor in U30 The other input transistor is biased by the divider ne...

Страница 50: ...ounded collec tors are then reverse biased and the output signals will be conducted to ground by the other transistor pair The gain of the Preamplifier is set by adjusting R145 to determine how much signal current will be shunted between the two dif ferential outputs When TRIG VIEW push button S200 is pressed in 8 6 V is applied to R138 and R188 to turn off the transistors in U130 and U180 with un...

Страница 51: ... U537A will then be the inverted Alt Sync signal which clocks U540A This causes the outputs of U540A to toggle at the end of each sweep so that the Channel 1 and Channel 2 Preampli fier signals will alternately drive the Delay Line Driver Delay Line Driver The Delay Line Driver converts the signal current from the Vertical Preamplifiers or the Trigger View circuitry into a signal voltage for input...

Страница 52: ...t transistor in U310 and the collectors of the U310 input transistors in turn supply emitter current to two current steering transistors The compensation and biasing network connected to the emitters of the input transistors in U310 is fixed for Channel 2 but not for Channel 1 Poten tiometer R309 adjusts the emitter bias levels of the two in put transistors so that dc offsets between channels can ...

Страница 53: ...nd the base of U350B The emitter signal of U350B in turn drives the A Trigger Generator whenever CR372 is forward biased A External Trigger Amplifier The A External Trigger Amplifier buffers signals applied to the EXT INPUT connector to drive the A Trigger Genera tor Input signal coupling is determined by A EXT COU PLING switch S380 which selects AC DC or DC 10 coupling When S380 is in the AC posi...

Страница 54: ... converts the differential output to a sin gle ended current to drive amplifier U480C Slope Balance potentiometer R471 corrects for dc offsets between positive and negative slope Shunt feedback amplifier U480C con verts a current input to a voltage output to drive the input of the Schmitt Trigger U480D through R469 Positive feed back for the Schmitt Trigger is provided by potentiometer R479 and C4...

Страница 55: ...esistors This constant voltage which produces a constant current through the timing capacitors results in a linearly increasing voltage at the output of the A Miller Sweep circuit When the output reaches approximately 12 V the Sweep Logic circuitry will initiate the holdoff period in which Q701 is turned on and the A Sweep Generator is reset This holdoff period is necessary so that the timing capa...

Страница 56: ...be the inverse of the input signal applied to pin 11 so that U506A will be reset when holdoff ends causing a sweep to be generated With no new trigger pulses being applied to the circuitry U506A will be continuously set and then reset in this manner to generate sweeps SGL SWP In the Sgl Swp Mode both the P P AUTO and NORM buttons are out This results in a LO at the out put of U532C so that U506A i...

Страница 57: ...e inputs to the comparator U655 are the Delay signal from the Analog Section of the Delay Delta Time Controller circuit and the A Sweep voltage from the divider network composed of R651 R652 and R653 Input voltage ranges to the comparator are determined by VR645 and R646 for the noninverting input and by R652 for the inverting input Delay Start potentiometer R646 is adjusted in conjunction with po...

Страница 58: ...els to drive the Z Axis Amplifier for both the B and the A Intensified Sweep displays The current supplied is summed with the other signal inputs on the Z Drive line When the HORIZONTAL MODE switch is in the ALT po sition pin 5 of U665B is HI The outputs of U670B and the B Gate signal from the output of U665D together with the INTENSITY controls determine the intensity of the A and B Sweeps The B ...

Страница 59: ...reamplifier When the X Y mode is selected Q737 is biased on to establish a HI on U760 pin 12 so that the A and B Sweeps are disconnected from the Preamplifier outputs The XY sig nal line will be LO and Q756 will be biased off to enable the X Axis signal to drive the noninverting input of U758 The output of U758 will then be a function of the X Axis signal and the Horizontal POSITION control wiper ...

Страница 60: ... Amplifier External Z Axis input voltages establish proportional in put currents through R822 and R823 and Amplifier sensitiv ity is determined by the transresistance gain of the shunt feedback amplifier Diode CR823 protects the Z Axis Amplifier if excessive signal levels are applied to the EXT Z AXIS INPUT connector The intensity of the crt display in the A B and Alt Hori zontal modes is determin...

Страница 61: ...th a positive dc offset level The Dc Restorer is referenced to the 2 kV crt cathode voltage through R858 and CR854 Initially both C855 and C854 will charge up to a level determined by the difference between the Z Axis output voltage and the crt cathode volt age Capacitor C855 charges from the Z Axis output through R858 CR854 and CR855 to the crt cathode Ca pacitor C854 charges through R858 CR854 R...

Страница 62: ...the positive feedback through R930 will reinforce the turn on of Q928 Thus Q930 and Q928 will drive each other into saturation very quickly Once Q930 is on U930 will begin to function Pulse width modulator U930 controls the output voltage of the Preregulator by regulating the duty cycle of the pulse applied to the gate of Q9070 It utilizes an oscillator with the frequency determined by R919 and C9...

Страница 63: ...f Q946 and Q947 referenced to the Preregulator input voltage This voltage level is applied to the divider composed of R937 R938 and R939 The error amplifier composed of Q938 and Q939 is a differential amplifier that compares the refer ence voltage of VR943 with the voltage on the wiper of potentiometer R938 The current through Q939 will set the base drive of Q944 and thereby control the voltage on...

Страница 64: ... by U1403F Transistor Q1400 is biased on which biases off Q1401 and allows Cl 400 to charge through R1403 When the voltage across Cl 400 reaches the TTL input threshold level of U1403B the output of U1403F will go HI and the microprocessor will begin to operate When power is re moved from the instrument Q1401 will rapidly discharge Cl 400 to insure that a proper reset cycle will occur the next tim...

Страница 65: ...nal levels necessary to drive the display Transistors Q1501 Q1502 and Q1503 provide level translation for the a segment of the display Display and Filament Driver The display panel V9900 is a vacuum fluorescent type and functions like a crt The display filament cathode pro vides electrons which are accelerated by the control grid To turn on a digit the control grid is raised to a potential of abou...

Страница 66: ...ace with the DMM hardware and the third bit is used to turn the audio transducer on and off This port consists of U1503 a quad flip flop and is clocked by the Dmmlink control line Resistors R1521 R1522 and R1523 perform a TTL to ECL level conversion of the least significant output bit of the latch to produce the Test Sig input to the Input Multiplexer of the Counter Audio Transducer The Audio Tran...

Страница 67: ...eset Input pin 12 of U1003C is effectively disconnected since Q1011 is biased off The Q output signal of U1001A is cou pled through U1003C to drive the D input of U1001B and one input of U1003B Transistors Q1008 and Q1009 form an ECL to TTL level translator to produce the Busy signal When the Enable signal goes LO the next positive tran sition of the synchronizer input signal will cause the Q out ...

Страница 68: ...NGATED WIDTH In this mode the Width signal is HI which results in Q1012 being biased off and Q1011 being biased on Pin 9 of U1004B is LO and pin 9 of U1002B is HI which configures U1002B as an inverting buffer Since Q1011 is on the output of U1002B will drive pin 12 of U1003C The D input of U1001A is driven by Enable and U1004B pin 11 is driven by Enable When Enable goes HI the next positive trans...

Страница 69: ...of Operation 2236 Service Figure 3 8 Typical waveforms for the Gated Period function U1002B U1003B INPUT SIGNAL ENABLE ENABLE Cl C2 4204 26 3 25 Figure 3 9 Simplified diagram of the Width measurement circuitry ...

Страница 70: ...2236 Service ENABLE INPUT SIGNAL 100MHz j u U nnnpr uU n n nn p u U U1001A SET in 00t a q U1001B D U1001B Q Cl p C2 1 n n nn ____ i u 1 ____ ____ i u L 4 2 0 4 2 7 3 26 Figure 3 10 Typical waveforms for the Width function ...

Страница 71: ...lters the output frequency and the oscillator uses a regulated 15 V power source which is derived from the 30 V supply by U1305 Phase Locked Loop The Phase locked Loop circuit produces a 100 MHz out put signal from either 5 MHz oscillator It consists of a phase comparator a low pass filter a vco voltage con trolled oscillator and a frequency divider PHASE COMPARATOR The phase comparator con sistin...

Страница 72: ...HI and either the DmodeO signal or U1601 pin 7 is LO Transis tor Q1604 will then be biased on and the J input of U1509B will be HI Resetting of U1509A is accomplished by the Creset line The Q output of U1602B is applied to the circuit consist ing of R1609 Cl 600 R1607 and R1608 which converts the TTL levels to EEC L levels and drives one input of U1003D The other input of U1003D is driven by a cir...

Страница 73: ...voltage will be applied across R1617 so that the A TIME POSITION pot wiper volt age is then summed with the DT Wiper voltage and applied to U1604B Intensified Zone Controller Controller 1C U1603 selects the proper signal for control ling the intensified zone If the CTM is not set up in a gated mode then Barm is LO and the B Gate signal is connected to Ctrintens The intensified zone is not affected...

Страница 74: ...Theory of Operation 2236 Service 3 30 ...

Страница 75: ...Theory of Operation 2236 Service Figure 3 13 Typical waveforms for the Delta Time function with Valt HI 3 31 ...

Страница 76: ...tude of the input parameter Input Switching Network Input signals to the DMM are selected and conditioned by the Input Switching Network The position of the UPPER FUNCTIONS LOWER FUNCTIONS button determines both the Input Filter configuration and in combination with the other five control buttons the function to be implemented Input switching is accomplished by SI 801A S I801C and SI 802 Switch SI...

Страница 77: ...n low pass filter and is enabled by the front panel FUNCTIONS buttons The UPPER FUNCTIONS position enables filtering of the input signal to the Input Buffer The filter network composed of R1809 R1810 Cl 807 and Cl 808 becomes functional when one end each of Cl 807 and Cl 808 are grounded Switch leakage is prevented by guarding RT1806 With LOWER FUNCTIONS selected the input signal is routed to the ...

Страница 78: ...encies the signal applied to Cl 827 is a gain adjusted replica of the volt age present at the selected divider tap adjusting the poten tiometer has the effect of varying the effective capacitance to ground presented in shunt with Cl 806 by Cl 827 This effect is transmitted up the divider when other taps are se lected so that all taps are independently adjustable Capac itors Cl 802 Cl 804 Cl 805 an...

Страница 79: ... mV Since the feedback loop is open during limiting U1900A s output swings to the positive or negative supply level dependent upon the direction of the input signal Limiting is provided for positive input swings by CR1905 being biased off Only insignificantly small amounts of cur rent flows into the inverting input of U1900A and the volt age at that pin is established by the divider network compos...

Страница 80: ...nsistor Q1970 will be biased on by R1976 and R1977 and the Ohms Protect line will go HI This will bias on Q1810 and the relay coil common line will be held LO to keep the relay contact closed Thermistor RT1915 heats due to the power it is dissipat ing until it reaches 80 C Its resistance then rises dramati cally to reduce both the overload current level and its internal power dissipation When the ...

Страница 81: ...pply applied to its primary The secondary is full wave rectified by the bridge composed of CR1801 CR1802 CR1803 and CR1804 and capacitors Cl 903 and Cl 904 provide filtering for the 12 V and 12 V supplies respectively The 7 5 V supply is derived from the 12 V supply by voltage dropping resistor R1910 and Zener diode VR1901 Likewise the 7 5 V supply is derived from the 12 5 V supply using R1911 and...

Страница 82: ...n be performed both in the sequence presented and in its en tirety to ensure that control setting changes will be correct for ensuing steps TEST EQUIPMENT The test equipment listed inTable 4 1 is a complete list of the equipment required to accomplish both the Perfor mance Check Procedure in this section and the Adjust ment Procedure in Section 5 To assure accurate measurements it is important tha...

Страница 83: ...2 Leveled Sine Wave Generator Frequency 250 kHz to above 100 MHz Output amplitude variable from 10 mV to 5 V p p Output impedance 50 I Reference frequency 50 kHz Amplitude accuracy constant within 3 of reference frequency as output frequency changes Vertical horizontal and triggering checks and adjustments Display adjustment and Z Axis check TEKTRONIX SG503 Leveled Sine Wave Generator 3 Time Mark ...

Страница 84: ...tronix Part Number 103 0035 00 17 Resistor 1 kfl 1 4 W Common mode checks 18 Resistor 150 Mfl 1 4 W Accuracy 1 Ohms check Tektronix Part Number 325 0383 00 19 Resistor 1 5 GO 1 4 W Accuracy 1 Ohms check Tektronix Part Number 325 0382 00 20 Adapter 2 Required BNC Female to Dual Banana DMM checks Tektronix Part Number 103 0090 00 21 Normalizer Vertical adjustment Tektronix Part Number 067 1129 00 22...

Страница 85: ...Jitter 4 10 4 Check Position Range 4 10 5 Check X Gain 4 11 6 Check X Bandwidth 4 11 7 Check Sweep Length 4 11 Trigger 1 Check Internal Triggering 4 12 2 Check External Triggering 4 13 3 Check External Trigger Ranges 4 14 4 Check Single Sweep Operation 4 14 CTM 1 Check Time Base Error 4 15 2 Check Period 4 15 3 Check W idth 4 16 4 Check Delay Time Range and Accuracy 4 16 5 Check Delta Tim e 4 16 6...

Страница 86: ...cy is within the limits given in Table 4 2 for each CH 1 VOLTS DIV switch setting and corresponding standard amplitude signal When at the 20 mV VOLTS DIV switch setting rotate the CH 1 VOLTS DIV Variable control fully counterclockwise and CHECK that the display decreases to 2 divisions or less Then return the CH 1 VOLTS DIV Variable control to the CAL detent and continue with the 50 mV check c Mov...

Страница 87: ... output via a 5042 cable a 10X attenuator and a 50 12termi nation to the CH 1 OR X input connector b While holding in the TRIG VIEW button use the A TRIGGER LEVEL control to vertically center the display c Set the generator to produce a 1 MHz 5 division display c CHECK Display amplitude is 4 to 6 divisions while holding in the TRIG VIEW button d CHECK Display aberrations are within 5 0 25 di visio...

Страница 88: ... Repeat parts c and d for all indicated CH 1 VOLTS DIV switch settings up to the output voltage upper limit of the sine wave generator being used 6 Check Bandwidth Limit Operation a Set BW LIMIT On button in CH 1 VOLTS DIV 10 mV A SEC DIV 20 fis b Set the generator to produce a 50 kHz 6 division display c Increase the generator output frequency until the dis play amplitude decreases to 4 2 divisio...

Страница 89: ...n the rear panel 8 Check Channel Isolation a Set VERTICAL MODE VOLTS DIV both VOLTS DIV Variable both INVERT Channel 2 Input Coupling A SEC DIV CH 1 1 V CAL detent Off button out GND 0 1 ms c Set the generator to produce a 5 V 50 kHz signal d CHECK For noticeable intensity modulation The positive part of the sine wave should be of lower intensity than the negative part e Disconnect the test equipm...

Страница 90: ... connector b Select 50 ns time markers from the time mark generator c Use the Channel 1 POSITION control to center the display vertically Adjust the A TRIGGER LEVEL control for a stable triggered display d Use the Horizontal POSITION control to align the sec ond time marker with the second vertical graticule line e CHECK Timing accuracy is within 2 0 16 division at the 10th vertical graticule line...

Страница 91: ...Off knob in m Repeat parts b through k for the B Sweep Keep the A SEC DIV switch one setting slower than the B SEC DIV switch 2 Check Variable Range and Sweep Separation a Set HORIZONTAL MODE A and B SEC DIV SEC DIV Variable X I0 Magnifier A TRIGGER Mode A 0 2 ms Fully counterclockwise Off knob in P P AUTO b Select 0 5 ms time markers from the time mark generator c CHECK Time markers are 1 divisio...

Страница 92: ...ly clockwise j Disconnect the test equipment from the instrument 5 Check X Gain a Set CH 1 VOLTS DIV 10 mV Horizontal POSITION Midrange A SEC DIV X Y X I0 Magnifier Off knob in b Connect the standard amplitude generator output via a 50 0 cable to the CH 1 OR X input connector c Set the generator to produce a 50 mV signal Verti cally center the trace using the Channel 2 POSITION control d CHECK Dis...

Страница 93: ...XT COUPLING DC 1 Check Internal Triggering a Select the FREQ function b Connect the leveled sine wave generator output via a 50 0 cable and a 50 0 termination to the CH 1 OR X input connector d Set the CH 1 VOLTS DIV switch to 0 5 V e CHECK Stable display can be obtained by adjusting the A TRIGGER LEVEL control for each switch combination given in Table 4 5 Table 4 5 Switch Combinations for A Trig...

Страница 94: ...ve the cable from the CH 1 OR X input connector to the CH 2 OR Y input connector Set the VERTICAL MODE switch to CH 2 ac Repeat parts x through aa for Channel 2 ad Disconnect the test equipment from the instrument 2 Check External Triggering a Set VERTICAL MODE CH 1 X I0 Magnifier Off knob in A SOURCE EXT b Connect a 40 mV 10 MHz leveled sine wave signal via a 50 12 cable and a 50 12 termination t...

Страница 95: ... d Press in the SGL SWP button The READY LED should illuminate and remain on e Set the Channel 1 Input Coupling switch to DC b Connect the leveled sine wave generator output via a 50 0 cable a 50 0 termination and a dual input coupler to both the CH 1 OR X and EXT INPUT connectors f CHECK READY LED goes out and a single sweep occurs c Set the generator to produce a 50 kHz 6 4 division NOTE display...

Страница 96: ...ent Channel 1 Input Coupling DCV c Select the FREQ function d If the instrument has the TCXO option skip to part g Horizontal POSITION Midrange HORIZONTAL MODE A A SEC DIV 0 5 fis B SEC DIV 0 05 mS SEC DIV Variable CAL detent X I0 Magnifier Off knob in B TRIGGER SLOPE OUT LEVEL Midrange A TRIGGER VAR HOLDOFF NORM Mode P P AUTO SLOPE OUT LEVEL Midrange A B INT CH 1 A SOURCE INT e CHECK Reading is b...

Страница 97: ... Select the DLY TIME function n Set the A TRIGGER LEVEL control to the center of its stable trigger range b Set Channel 1 Input Coupling GND HORIZONTAL MODE ALT o Set the B TRIGGER LEVEL control so that the B Sweep is triggered on the leading edge of the second dis played cycle and is at the center of its stable trigger range A and B SEC DIV 0 2 ms B DELAY TIME POSITION Fully counterclockwise A TR...

Страница 98: ...00 399 5 to 400 5 400 399 5 to 400 5 c Disconnect the test equipment from the instrument 8 Check Ac Volts Zero a Select the AC RMSV function b Connect one DMM test lead to the MULTIMETER INPUTS connector and short the tip to the input c CHECK Reading is less than 0006 V d Disconnect the test equipment from the instrument 9 Check Ac Volts Accuracy a Connect the ac volts calibrator via a female to d...

Страница 99: ...1 Check Channel 1 Ac Volts a Set CH 1 VOLTS DIV 50 mV Channel 1 Input Coupling AC RMSV b Connect the ac volts calibrator via a female to dual banana adapter and a 50 0 cable to the CH 1 OR X DMM input connector c CHECK Reading is within the limits shown in Table 4 10 for each CH 1 VOLTS DIV switch setting and calibrator voltage combination at 20 kHz Table 4 10 Ac CH 1 Readout Checks CH 1 VOLTS DIV...

Страница 100: ... next two checks use two high resistance preci sion resistors To preserve the accuracy of these re sistors store them in a dean dry environment and do not allow finger contact or other forms of contamina tion on the resistor body if contamination is sus pected wash the resistor body with isopropyl alcohol and air dry if exposed to excessive humidity bake the resistors at 200 F for 4 hours h Connec...

Страница 101: ...d Set the calibrator to produce a 100 fi output resistance e CHECK Reading is between 1 5 C and 1 5 C 15 Check Normal Mode Rejection a Select the DCV function b Set the calibrator to produce a 50 Hz 10 V output c CHECK Reading is between 0316 V and 0316 V 16 Check Common Mode Rejection a Connect the test setup as shown in Figure 4 1 b Select the AC RMSV function c Set the ac volts calibrator to pr...

Страница 102: ...Performance Check Procedure 2236 Service 4 21 Figure 4 1 Test setup for DMM common mode check ...

Страница 103: ...t test equipment used for making these checks meet or exceed the specifications described in Table 4 1 When considering use of equipment other than that recommended utilize the Minimum Specification col umn to determine whether available test equipment will suffice Detailed operating instructions for test equipment are not given in this procedure If more operating information is re quired refer to...

Страница 104: ...d TRIGGER LEVEL controls as needed to view the display Table 5 1 Adjustment Interactions Adjustments or Replacements Made 8 6V POWER SUPPLY________ TRACE ALIGNMENT___________ GEOMETRY__________________ 2 5mV DC BALANCE__________ CH 1 VAR BALANCE__________ MF LF GAIN BAL 4 FREQ COMP VERTICAL GAIN_____________ ATTENUATOR COMP___________ DELAY LINE COMP___________ HORIZ GAIN________________ HORIZ X10...

Страница 105: ... 5 14 22 Check Input Gate Current 5 14 Horizontal 1 Adjust Horizontal Amplifier Gain 5 15 2 Adjust X I0 Horizontal Amplifier Gain 5 15 3 Adjust Magnifier Registration 5 16 4 Check Sweep Length 5 16 5 Check Position Range 5 16 6 Check Variable Range 5 16 7 Adjust High Speed Timing 5 16 8 Adjust 5 ns Timing and Linearity 5 17 9 Check Timing Accuracy and Linearity 5 17 10 Check Delay Jitter 5 18 11 C...

Страница 106: ...n 8 56 and 8 64 V If the reading is within these limits skip to part d Horizontal POSITION Midrange c ADJUST The 8 6 V Adj potentiometer R938 for a HORIZONTAL MODE A voltmeter reading of 8 6 V A SEC DIV X Y SEC DIV Variable CAL detent X I0 Magnifier Off knob in d CHECK Voltage levels of the remaining power sup A TRIGGER plies listed in Table 5 2 are within the specified limits VAR HOLDOFF NORM Mod...

Страница 107: ...a 50 kHz 4 division display Adjustment Procedure 2236 Service d ADJUST Astig R874 and the front panel FOCUS control for the best defined waveform e Disconnect the test equipment from the instrument 5 Adjust Trace Alignment a Position the trace to the center horizontal graticule line b ADJUST The front panel TRACE ROTATION con trol for optimum alignment of the trace with the center hori zontal grat...

Страница 108: ... SEC DIV Variable CAL detent X I0 Magnifier Off knob in A TRIGGER VAR HOLDOFF NORM Mode P P AUTO SLOPE OUT LEVEL Midrange A B INT VERT MODE A SOURCE INT A EXT COUPLING AC PROCEDURE STEPS 1 Adjust Attenuator Step Balance RIO and R60 a Position the trace on the center horizontal graticule line using the Channel 1 POSITION control b Set the CH 1 VOLTS DIV switch to 5 mv c ADJUST Ch 1 Step Bal RIO to ...

Страница 109: ...2 and 4 for Channel 2 until no further improvement is noted 5 Adjust MF LF Compensation and Gain Balance C53 R97 C3 and R47 a Set VERTICAL MODE CH 2 VOLTS DIV both 10 mV Input Coupling both DC A SEC DIV 20 tis b Connect the high amplitude square wave output via a 50 fl cable a 10X attenuator and a 50 G termination to the CH 2 OR Y input connector c Set the generator to produce a 10 kHz 5 division ...

Страница 110: ...est setup m Set VERTICAL MODE CH 2 VOLTS DIV Input Coupling both A SEC DIV n Connect the high amplitude square wave output via a 50 0 cable a 10X attenuator a 50 0 termination and the precision normalizer to the CH 2 OR Y input connector o Set the generator to produce a 1 kHz 5 division display p Set the top of the display on the center horizontal graticule line using the Channel 2 POSITION contro...

Страница 111: ...i ADJUST Ch 1 2 mV Gain R26 for an exact 5 divi sion display j Set both Input Coupling switches to GND k CHECK That no trace shift occurs when switching between the 5 mV and 2 mV positions of the CH 1 VOLTS DIV switch If trace shift is observed repeat Step 2 of this procedure I Set the VERTICAL MODE switch to CH 2 m CHECK That no trace shift occurs when switching between the 5 mV and 2 mv position...

Страница 112: ...witch to CH 1 g Repeat parts c through e using the Channel 1 controls h Disconnect the test equipment from the instrument 10 Check Alternation Operation a Set VERTICAL MODE Input Coupling both A and B SEC DIV A B INT BOTH and ALT GND 50 ms CH 1 12 Adjust High Frequency Compensation C237 Delay Line Compensation R240 and R241 and Channel 2 High Frequency Compensation Cl 80 a Set VERTICAL MODE BW LIM...

Страница 113: ...produce a 5 division display d CHECK Display amplitude is 4 to 6 divisions while holding in the TRIG VIEW button n Set the top of the display to the center horizontal grati cule line using the Channel 2 POSITION control o ADJUST Ch 2 HF Comp C180 for 2 overshoot 0 1 division on the displayed signal e Move the cable from CH 1 OR X input connector to the CH 2 OR Y input connector Set the VERTICAL MO...

Страница 114: ...arm up period before continuing with the Adjustment Procedure See the Cabinet removal and replacement instructions lo cated in the Maintenance section of the manual 17 Check Bandwidth a Set BW LIMIT Off button out VOLTS DIV both 2 mV b Set the generator to produce a 50 kHz 6 division display c CHECK Display amplitude is 4 2 divisions or greater as the generator output frequency is increased up to ...

Страница 115: ...l Then set the VERTICAL MODE switch to CH 1 and vertically center the display using the Channel 1 PO SITION control e Set the VERTICAL MODE switches to BOTH and ADD f CHECK Display amplitude is 0 6 division or less g If the check in part f meets the requirement skip to part p If it does not continue with part h h Set the VERTICAL MODE switch to CH 1 i Set the generator to produce a 50 kHz 6 divisi...

Страница 116: ... Input Coupling switch between the AC and GND positions CH 1 VOLTS DIV 10 mV A SEC DIV 0 5 ms d Set the VERTICAL MODE switch to CH 2 b Connect the 10X probe to the CH 1 OR X input con nector and insert the probe tip into the PROBE ADJUST e Repeat parts b and c using the Channel 2 controls jack on the instrument front panel If necessary adjust the probe compensation for a flat topped square wave di...

Страница 117: ...ise A TRIGGER VAR HOLDOFF NORM Mode P P AUTO SLOPE OUT LEVEL Midrange A B INT VERT MODE A SOURCE INT PROCEDURE STEPS 1 Adjust Horizontal Amplifier Gain R740 and R730 a Connect 0 1 ms time markers from the time mark gen erator via a 50 52 cable and a 50 52 termination to the CH 1 OR X input connector b Align the first time marker with the first extreme left vertical graticule line using the Horizon...

Страница 118: ...ontal POSITION control fully counterclockwise i CHECK Start of the sweep can be positioned to the right of the center vertical graticule line by rotating the Hori zontal POSITION control fully clockwise 4 Check Sweep Length a Set 6 Check Variable Range a Set Channel 1 Input Coupling GND X I0 Magnifier Off knob in b Position the start of the sweep at the first vertical grat icule line using the Hor...

Страница 119: ...ign the time markers with the vertical graticule lines using the Horizontal POSITION control d ADJUST 5 ns Timing C775 and C785 alternately for one time marker every 2 divisions over the center 8 divi sions of the magnified sweep e CHECK Time markers between the 2nd and 4th ver tical graticule lines should be aligned within 0 05 division If not a slight compromise between timing and linearity shou...

Страница 120: ...DIV 0 05 ms X I0 Magnifier Off knob in m Repeat parts b through k for the B Sweep Keep the A SEC DIV switch one setting slower than the B SEC DIV switch b Connect the standard amplitude generator output via a 50 8 cable to the CH 1 OR X input connector c Set the generator to produce a 50 mV signal Vertically center the trace using the Channel 2 POSITION control d ADJUST X Gain R760 for exactly 5 d...

Страница 121: ...s VAR HOLDOFF NORM d Rotate the VAR HOLDOFF control to the maximum clockwise position MAX e CHECK The A Sweep holdoff has increased by a factor of 10 or more b Connect the test oscilloscope and its 10X probe tip to the front end of R707 toward the front panel which is lo cated on the Timing circuit board f Disconnect the test oscilloscope 10X probe from R707 5 19 ...

Страница 122: ...tal voltmeter low lead to chassis ground and the high volts lead to TP460 Alt Sweep Logic circuit board connector to the Main circuit board Horizontal POSITION Midrange c CHECK The offset voltage reading is less than 80 HORIZONTAL MODE A mV Note the reading for use in part e A and B SEC DIV 1 ms SEC DIV Variable CAL detent X I0 Magnifier Off knob in d Set the A B INT switch to CH 1 B DELAY TIME PO...

Страница 123: ... ADJUST Slope Bal R471 for a downward vertical shift of 0 22 division at the start of the sweep when chang ing the A TRIGGER SLOPE switch between the OUT and IN positions 4 Adjust P P Auto Trigger Centering R434 and R435 a Set A TRIGGER SLOPE OUT A TRIGGER LEVEL Fullyclockwise b Set the generator to produce a 50 kHz 5 division display c Set the CH 1 VOLTS DIV switch to 0 5 V d ADJUST Auto R434 so ...

Страница 124: ...the X I0 Magnifier to On knob out q Set the generator to produce a 60 MHz 1 2 division display r Repeat parts f through h s Increase the generator output to produce a 1 5 divi sion display t Repeat parts j through I u Set VERTICAL MODE CH 1 A B INT VERT MODE v Move the cable from the CH 2 OR Y input connector to the CH 1 OR X input connector w Repeat parts q through t for Channel 1 x Set the A SEC...

Страница 125: ...N g CHECK Display is triggered along the entire negative slope of the waveform as the A TRIGGER LEVEL control is rotated h CHECK Display is not triggered no trace at either extreme of rotation 8 Check Single Sweep Operation a Set the A SOURCE switch to INT b Adjust the A TRIGGER LEVEL control to obtain a sta ble display c Set the Channel 1 Input Coupling switch to GND d Press in the SGL SWP button...

Страница 126: ...CH 1 VOLTS DIV 0 5 V CH 1 VOLTS DIV Variable CAL detent Channel 1 Input Coupling DCV Horizontal POSITION Midrange HORIZONTAL MODE A A SEC DIV 0 5 ms B SEC DIV 0 05 ms SEC DIV Variable CAL detent X I0 Magnifier Off knob in B DELAY TIME POSITION Fully counterclockwise B TRIGGER SLOPE OUT LEVEL Midrange A TRIGGER VAR HOLDOFF NORM Mode P P AUTO SLOPE OUT LEVEL Midrange A B INT VERT MODE A SOURCE INT 1...

Страница 127: ...enter of their respective stable trigger ranges f CHECK Reading is between 37 50 ns and 62 50 ns g Disconnect the test equipment from the instrument 4 Adjust Delay Time R646 and R652 a Select the DLY TIME function c Set the B DELAY TIME POSITION control fully counterclockwise d ADJUST Delay Start R646 for a reading of 40 ts e Rotate the B DELAY TIME POSITION control fully clockwise f ADJUST Delay ...

Страница 128: ... m s and 1 00010 ms f Set the B TRIGGER LEVEL control to the center of its stable trigger range g CHECK Reading is between 99949 ms and 1 00051 ms h Disconnect the test equipment from the instrument 6 Adjust Dc Volts Zero R1817 and R1819 a Select the DCV function b Preset the Input Bias potentiometer R1819 fully counterclockwise c Connect one DMM test lead to the MULTIMETER INPUTS connector and sh...

Страница 129: ...ge to 4 V e ADJUST 5 V Comp R1967 for a reading of 3 997 V Adjustment Procedure 2236 Service g ADJUST 50 V Comp R1966 for a reading of 39 97 V h Change the calibrator output voltage to 300 V i ADJUST 350 V Comp R1965 for a reading of 299 8 V j CHECK Reading is within the limits shown in Table 5 8 for each calibrator output voltage from 20 Hz to 20 kHz Table 5 8 Ac Voltage Readout Checks Calibrator...

Страница 130: ...uto reference mode t Disconnect the test equipment from the instrument 11 Adjust Channel 1 Ac Volts a Set CH 1 VOLTS DIV 50 mV Channel 1 Input Coupling AC RMSV A TRIGGER Mode P P AUTO b Connect the ac volts calibrator via a female to dual banana adapter and a 50 12 cable to the CH 1 OR X DMM input connector c Set the calibrator to produce a 20 kHz 400 mV output d CHECK Reading is between 3990 V an...

Страница 131: ...ctor NOTE The connection resistance mustbe less than 200 mQ Compensate for any measurement error in the 10 and 100 0 checks by noting the reading obtained when the calibrator output is shorted and adjust the readings accordingly Alternately use the 4 wire sens ing capability of the calibrator to eliminate measure ment error f CHECK Reading is within the limits shown in Table 5 11 for each calibrat...

Страница 132: ... CHECK Reading is Fd 2 474 V to 2 526 V h Disconnect the test equipment from the instrument 15 Check Temperature a Set the Channel 1 Input Coupling switch to AC RMSV and push the SGL SWP button once b Select the TEMP function c Connect the ohms calibrator via a female to dual ba nana adapter a 50 0 cable and a female to dual banana adapter to the MULTIMETER INPUTS connector d Set the calibrator to...

Страница 133: ...he static voltage from your body by wear ing a grounded antistatic wrist strap while handling these components Servicing static sensitive components or as semblies should be performed only at a static free work sta tion by qualified service personnel 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Keep the component leads shorted together ...

Страница 134: ...gent with 95 water Before using any other type of cleaner consult your Tektronix Service Center or representative Exterior INSPECTION Inspect the external portion of the instru ment for damage wear and missing parts use Table 6 2 as a guide Instruments that appear to have been dropped or otherwise abused should be checked thoroughly to verify correct operation and performance Deficiencies found th...

Страница 135: ...epair Repair defective circuit runs Resistors Burned cracked broken or blistered Replace defective resistors Check for cause of burned component and repair as necessary Solder Connections Cold solder or rosin joints Resolder joint and clean with isopropyl alcohol Capacitors Damaged or leaking cases Corroded solder on leads or terminals Replace defective capacitors Clean solder connections and flus...

Страница 136: ...ese switches Switch maintenance is seldom necessary but if it is required ob serve the following precautions 1 The VOLTS DIV switches contain cam actuated contacts Most spray type circuit coolants contain Freon 12 as a propellant Because many Freons adversely affect switch contacts do not use a spray type coolant The recommended circuit coolants for the volts division attenuators are dry ice 002 a...

Страница 137: ...ry of Operation and the Diagrams sections of this manual may be helpful while troubleshooting TROUBLESHOOTING AIDS Schematic Diagrams Complete schematic diagrams are located on tabbed foldout pages in the Diagrams section The portions of circuitry that are mounted on each circuit board are en closed within heavy black lines Also within the black lines near either the top or the bottom edge are the...

Страница 138: ...oubleshooting chart boxes These notes are located on the inner panels of the foldout pages Specific Notes contain procedures or additional information to be used in perform ing the particular troubleshooting step called for in that box General Notes contain information that pertains to the over all troubleshooting procedure Some malfunctions especially those involving multiple simultaneous failure...

Страница 139: ... it using the appropriate replacement procedure given under Cor rective Maintenance in this section Before using any test equipment to make measure ments on static sensitive current sensitive or volt age sensitive components or assemblies ensure that any voltage or current supplied by the test equipment does not exceed the limits of the component to be tested 1 Check Control Settings Incorrect con...

Страница 140: ... tip to the first test point indicated in Table 6 4 and touch the bayonet ground tip to the chassis ground test point The ripple values listed in Table 6 4 are based on a system limited in bandwidth to 30 kHz greater bandwidth will result in higher readings If power supply voltages and ripple are within the listed ranges the supply can be assumed to be operating cor rectly If any are outside these...

Страница 141: ...re not recommended since they do not check operation under simulated operat ing conditions When troubleshooting transistors in the circuit with a voltmeter measure both the emitter to base and emitter to collector voltages to determine whether they are consistent with normal circuit voltages Voltages across a transistor may vary with the type of device and its circuit function When troubleshooting...

Страница 142: ...ormation is intended to aid in the diagno sis and repair of a malfunctioning CTM The troubleshooting procedure consists of two parts Kernel and Display Sys tem and Power UP Checks and Diagnostic Routines Ob serve the following symptom on the readout to identify which procedure to use A blank or erroneous message on the readout will indi cate a circuit failure in either the kernel or the display sy...

Страница 143: ...s to exit from the power up checking loop press in the SGL SWP RESET button momentarily while the error mes sage is being displayed to start the Diagnostic Routine or move the Channel 1 Input Coupling switch from AC to GND while the error message is being displayed to enter normal measurement mode The descriptions of these checks are as follows ROM Check The ROM check calculates the checksum for e...

Страница 144: ... CX PX AXX where C repre sents the Channel 1 Input Coupling switch P represents the probe and A represents the CH 1 VOLTS DIV switch attenuator The X represents the logic 1 or 0 of the Channel 1 Input Coupling switch probe and CH 1 VOLTS DIV switch See Table 6 6 for the Channel 1 Logic Verification messages Table 6 6 Channel 1 Logic Verification Channel 1 Controls and Probe Display Channel 1 Input...

Страница 145: ...ing the counter circuitry If the counter circuitry resets successfully a sequence of pulses internally derived test signals is applied to the Sample counter to verify that the first 12 stages of the 23 stages perform cor rectly the Extended Counter Test checks the last 11 stages If the first 12 stages are performing correctly the counter circuitry is again reset to verify that it will reset proper...

Страница 146: ...8 and Q1009 F 11 Sample counter received a count from the rising edge of test signal Suspect U1003 and U1006 F 12 Sample counter not receiving the test signal bit 1 of the sample counter still LO after sending a trigger edge Suspect U1003 and U1004 F 13 F 14 Bit 2 of the Sample counter stuck LO Bit 3 of the Sample counter stuck LO The bit number bit 2 through bit 12 specified for each error code F...

Страница 147: ... present in the DMM hardware and is equivalent to the Power Up DMM test When checking a measurement against upper and lower limits it is the fre quency of the voltage to frequency converter that is being checked The output frequency of the converter is inversely proportional to the applied voltage as the voltage becomes more positive the frequency becomes lower The DMM test procedure starts by swi...

Страница 148: ...erter frequency less than the lower limit At the end of the Extended Counter test move jumpers PI 000 P1100 and PI 200 from their Test positions to their Norm positions The bit number specified for each error code should be HI The rest should be LO Check the apporpriate ICs and the associated tri state buffers To start the test set the Channel 1 Input Coupling switch either to GND or DC position T...

Страница 149: ...t 14 of Time counter stuck LO F 12 Bit 14 of Sample counter stuck LO F 13 Bit 5 of Time counter stuck LO F 14 Bit 15 of Time counter stuck LO F 15 Bit 15 of Sample counter stuck LO F 16 Bit 6 of Time counter stuck LO F 17 Bit 16 of Time counter stuck LO F 18 Bit 16 of Sample counter stuck LO F 19 Bit 7 of Time counter stuck LO F 20 Bit 17 of Time counter stuck LO F 21 Bit 17 of Sample counter stuc...

Страница 150: ...selected Stimulus Loop 1 Stimulus Loop 1 selects Period measurement mode for the counter front end and performs measurements on the internal firmware generated test signals See Figure 6 2 for Period test waveforms and their location The positive going pulse at TP1500 TRESET can be used as a trigger signal Stimulus Loop 2 Stimulus Loop 2 selects Width measurement mode for the counter front end and ...

Страница 151: ...T DIAGRAM 8 U1006C PIN 7 ENABLE DIAGRAM 10 U1001A PIN 6 DIAGRAM 0 UI00IA PIN 3 DIAGRAM U1003B PIN 3 Cl DIAGRAM 6 U1003A PIN 2 C2 DIAGRAM U1100 PIN 15 DIAGRAM 2 360 j 100 MHz BURST 4204 31 Fig 6 2 Period measurement loop test waveforms 6 19 ...

Страница 152: ...6 C P IN 7 E N A B L E D IAG RA M 5 U 1 0 0 1 A P IN 6 D IAG RA M 5 U 1 0 0 1 A P IN 5 D IAG RA M 5 U 1 0 0 1 A P IN 3 D IA G R A M 5 U 1 0 0 3 B P IN 3 C l D IAG RA M 5 U 1 0 0 3 A P IN 2 C2 D IAG RA M 1 0 0 M H z BURST 4 2 0 4 3 2 Fig 6 3 Width measurement loop test waveforms 6 20 ...

Страница 153: ...aintenance 2236 Service TP1500 TRESET DIAGRAM U1805 PIN 2 OPTOE CLK DIAGRAM STIMULUS LOOP 3 55 HEX STIMULUS LOOP 4 AA HEX STIMULUS LOOP 5 FI HEX 4204 33 Fig 6 4 DMM serial interface loops test waveforms ...

Страница 154: ... this instrument These parts are manufactured or selected by Tektronix Inc to meet specific performance requirements or are manufactured for Tektronix Inc in accordance with our specifications The various manufacturers can be identified by referring to the Cross Index Mfr Code Number to Manufacturer at the be ginning of the Replaceable Electrical Parts list Most of the mechanical parts used in thi...

Страница 155: ...6 Long nose Pliers Component removal and replacement 7 Diagonal Cutters Component removal and replacement 8 Vacuum Solder Extractor No static charge retention Unsoldering components Pace Model PC 10 9 Lubricant No Noise Switch lubrication Tektronix Part Number 006 0442 02 10 Pin replacement Kit Replace circuit board connector pins Tektronix Part Number 040 0542 01 11 Isolation Jransformer Isolate ...

Страница 156: ...r the power supply capacitors to discharge Use rosin core wire solder containing 63 tin and 37 lead Contact your local Tektronix Field Office or represen tative to obtain the names of approved solder types When soldering on circuit boards or small insulated wires use only a 15 to 25 watt pencil type soldering iron A higher wattage soldering iron can cause etched circuit conductors to separate from...

Страница 157: ...connection with an approved flux removing solvent Be careful not to remove any of the printed information from the circuit board REMOVAL AND REPLACEMENT INSTRUCTIONS The exploded view drawings in the Replaceable Me chanical Parts list Section 9 may be helpful during the removal and reinstallation of individual subassemblies or components Circuit board and component locations are shown in the Diagr...

Страница 158: ...2800 a four wire connector located at the rear of the CH 1 Logic Switch circuit board i P2900 a two wire connector located on the left side of the CH 1 VOLTS DIV switch assembly under the top shield 7 Remove the cable strap from the Alt Sweep circuit board by squeezing the strap together with a long nose pli ers on the back side of the circuit board Slide the strap through the hole toward the fron...

Страница 159: ...and lower the CTM circuit board back into the instrument removed in step 3 2 Remove two screws securing the Display circuit board to the instrument front panel 3 Tilt the Display circuit board back and lift up Ensure that the readout evacuation tube clears the Front Panel cir 9 Reinstall four screws securing the right side of the CTM bottom shield to the CTM circuit board removed in step 2 cuit bo...

Страница 160: ...lead connector from the High Voltage Multiplier lead located on left side of Power Supply shield and discharge it to the chassis 4 Remove two front panel screws that retain the plastic crt frame and light filter to the front panel Remove the crt frame and light filter from the instrument 5 Remove the crt socket cap from the rear of the crt socket for reinstallation 6 With the rear of the instrumen...

Страница 161: ...g the shield to the back of the chassis frame removed in step 4 12 Reinstall the screw holding the Power Supply shield to the Main circuit board at the right side of the frame re moved in step 3 13 Reinstall the plastic power supply cover on the bot tom of the Main circuit board and secure both the shield and the cover with one screw removed in step 2 14 Reinstall the CTM circuit board see CTM Cir...

Страница 162: ... it into the instrument see CTM Circuit Board removal procedure Attenuator and CH 1 Logic Switch Circuit Boards To remove the Attenuator and CH 1 Logic Switch circuit boards perform the following steps 1 Use a 1 16 inch hex wrench to loosen the set screws on both the CH 1 and CH 2 VOLTS DIV Variable knobs and remove the knobs 2 Set the CH 1 and CH 2 VOLTS DIV switches to the same position Note swi...

Страница 163: ...tall the five screws and the ends of the two ground straps removed in step 7 15 Reinstall the screw and the end of the ground strap to the Front Panel circuit borad removed in step 6 16 Unlock the CTM circuit board and lower it into the instrument see CTM Circuit Board removal procedure 17 Resolder the resistors to the CH 1 and CH 2 input connectors disconnected in step 4 18 Reinstall two screws s...

Страница 164: ...cedure 3 Perform steps 2 through 5 of the Timing Circuit Board removal procedure 4 Place the instrument on its side and remove four screws holding the Bottom shield to the Main circuit board 5 Pull the Bottom shield along with the attached circuit boards straight back from the front of the instrument until the interconnecting pins on the circuit boards are disen gaged and the switch shafts are cle...

Страница 165: ...f circuit board replacement is intended continue with the remaining disassembly steps 9 Use a vacuum desoldering tool to unsolder the 39 wire straps from the Main circuit board connecting to the Front Panel circuit board 10 Remove the Front Panel circuit board from the in strument and clean the wire strap holes on the Main circuit board of any remaining solder NOTE if a vacuum desoldering tool is ...

Страница 166: ...the FOCUS control shaft assembly by pulling it straight out from the front panel 8 Remove the POWER switch extension shaft assem bly by first pressing in the POWER button to the ON posi tion Then insert a scribe or similar tool into the notch between the end of the switch shaft and the end of the extension shaft and gently pry the connection apart Push the extension shaft forward then sideways to ...

Страница 167: ... in step 11 27 Insert and resolder the EXT Z AXIS connector wire into the Main circuit board removed in step 10 28 Reconnect P9001 and P9002 to the Main circuit board removed in step 9 29 Insert the POWER switch extension shaft assembly into the front panel from the rear Push the POWER switch to the ON lock position and align the extension shaft with the switch shaft Press them together gently unt...

Страница 168: ...andwidth of the instru ment may be reduced from the normal 20 MHz to frequen cies shown in Table 6 12 To alter the bandwidth remove C419 component number A1C419 on Diagram 3 from the Main Circuit Board using the steps in the Soldering Tech niques part of the Maintenance section The capacitor should be replaced with a non polarized type such as a disc ceramic or equivalent Table 6 12 Trigger Bandwi...

Страница 169: ...n in the following paragraph For further information about this instrument op tion see your Tektronix Catalog or contact your Tektronix Field Office or representative OPTION 14 Option 14 replaces the internal 10 MHz time base clock circuit with a self contained temperature compensated crys tal oscillator for increased accuracy and stability 7 1 ...

Страница 170: ...b e r C ircuit number Reach Resistor 1234 of Assembly 23 Example b com ponent number A23A2R1234 A23 A2 R1234 Assembly number Subassembly number C ircuit number Read Resistor 1234 of Subassembly 2 of Assembly 23 O nly the circu it num ber w ill appear on the diagram s and circuit board illustrations Each diagram and circuit board illustration is clearly marked w ith the assembly number Assem bly nu...

Страница 171: ... R INC 1601 OLYMPIC BLVD 14433 ITT SEMICONDUCTORS OIV 14552 MICRO SEMICONOUCTOR CORP 2830 S FAIRVIEM ST 14752 ELECTRO CUBE INC 1710 S DEL NOR OVE 15238 ITT SEMICONDUCTORS 500 BROAONOY A DIVISION OF INTERNATIONAL TELEPHONE AND TELEGRAPH CORP P 0 BOX 188 15454 AMETEK INC RODON DIV 2905 BLUE STAR ST 15636 ELEC TROL INC 26477 N GOLDEN VALLEY RD 17856 SILICONIX INC 2201 LOUREIMOOO RD 18324 SIGNETICS CO...

Страница 172: ...VO TUCSM ARIZONA 85705 59821 CENTRALAB INC SUB NORTH AMERICAN PHILIPS CORP 7158 MERCHANT AVE EL PASO TX 79915 71400 BUSSMANN MFG CO MCGRAN EDISION CO 114 OLD STATE RO PO BOX 14460 ST LOUIS MO 63178 71590 GLOBE UNION INC CENTRALAB ELECTRONICS OIV HNY 20 N P 0 BOX 858 FORT OOOGE 10 50501 75042 TRN INC TDM ELECTRONIC COMPONENTS IRC FIXED RESISTORS PHILADELPHIA OIV 401 N 8R0A0 ST PHILADELPHIA PO 19108...

Страница 173: ...0009 670 7572 01 04 670 7572 03 8013000 B014885 CIRCUIT 60 ASSY TIMING 80009 670 7572 03 04 670 7572 04 8014886 CIRCUIT BO ASSY TIMING 80009 670 7572 04 05 670 7573 00 6010100 B012239 CIRCUIT BO ASSYrALTERNATE SNEEP 80009 670 7573 00 05 670 7573 01 6012240 8014885 CIRCUIT BO ASSY ALTERNATE SNP 80009 670 7573 01 05 670 7573 03 8014886 CIRCUIT 60 ASSYALTERNATE SNEEP 80009 670 7573 03 06 670 7615 00 ...

Страница 174: ...ELCTLT 2 2UF 20X 20V 05397 T322B225M0200S 01C204 281 0811 00 B017435 CAP FXO CER D I 1 0 P F i0 Z i0 0 V 04222 MA101A100KAO 01C210 281 0500 00 CAP FXO CER D I 2 2 P F 0 5 P F 5 0 0 V 52763 2RDPLZ007 2P20DC 01C215 281 0862 00 CAP FXO CER D I 0 001U F 80 20 100V 04222 M0101C10ZM00 01C220 281 0772 00 CAP FXO CER D I 4700P F 1 0 2 100V 04222 MA201C472K00 01C225 281 0862 00 CAP FXO CER 0I 0 001U F 80 2...

Страница 175: ...0 0 0 a s s a y s UUUUIUJU B B B B B B 0 0 0 0 0 0 00000 e e e e e o o o o p o c c c c c c w w w w w a a W W W B B B B B B B S y B S a UUIOOUl g o o o o B S C S a a a a a d a e a c c a 0 0 0 0 0 0 Sa c a f l k c a a c c o o o o o o OOO O OO OOUIOO o o o o o o B B B B B B a a a a a a c c c q e i c O O O O O O W w w w i s 5 B B S IO U Jo o o i g g g g g a a a a a a S S S S S S a a c c a c O O O O O ...

Страница 176: ...r U Lk Uk o k 3 U U r9 A t f r t e o o o g o f f f H T8 u W S 8 P P P r ik r r r 3 8 S 8 s S e i a s s e s s C u u u u u s e e e b e 8 8 S 8 8 8 s s i g i s s S S S S S S S E S S W B E E B E S S S S S S S S s l s s s s S S Q S 2 B O U U O blO g g g g g g S S S S S S s e e s u u u a a n a a a a a o a N O r N i s l s s f t r r T T r t r v r r 1 e a a a o a a a a a a o a 1 1 Mt W l M4 W V W W in gtoo...

Страница 177: ...CTLT 75UF 50 10X 450V 56289 1701149 Q1C907 285 0932 00 COP FXD PLASTIC 1UF 10X 400V 04099 C705010SK 01C908 283 0481 00 C0P FX0 CER 0 1 220PF 10X 250V0C TK1395 RK0611 01C917 281 0812 00 C0P FX0 CER D I 1000PF 10Z 100V 04222 M0101C102K00 01C919 281 0852 00 C0P FX0 CER D I 1800PF 10t 100VD C 04222 M0101C182KQ0 01C922 281 0775 00 C0P FX0 CEP D I 0 1U F 20Z 50V 04222 MQ205E104M0O 01C925 290 0973 00 COP...

Страница 178: ...N41S2 B1CR805 152 0141 02 SEMICOND O VC O I SN SI 30V 150M B 30V 0 0 3 5 03508 002527 1N4152 Q1CR818 152 0141 02 SEMICOND DVC D1 SN S1 30V 150M B 30V 0 0 3 5 03508 002527 1N4152 01CR820 152 0141 02 SEMICONO O VC O I SN SI 30V 150N B 30V 00 35 03508 002527 1N4152 01CR823 152 0141 02 SEMICOND O VC O I SN SI 30V 150M B 30V 00 35 03508 002527 1N4152 01CR824 152 0141 02 SEMICOND DVC O I SN SI 30V 1SO N...

Страница 179: ... 131 0589 00 8010100 B019899 TERM INAL PIN 0 46 L X 0 0 2 5 SQ PH BRZ QUANTITY OF 5 22526 48283 029 01P2400 131 0787 00 B019900 TERM INAL PIN 0 64 L X 0 0 2 5 SQ PH BRZ QUANTITY OF 5 22526 47359 000 01P2S00 131 0787 00 TERM INAL PIN 0 64 L X 0 0 25 SQ PH BRZ QUANTITY OF 2 22526 47359 000 01P2600 131 0608 00 B010100 B014885 TERM INAL PIN 0 365 L X 0 0 25 BRZ GLD PL QUANTITY OF 2 22526 48283 036 Q1P...

Страница 180: ... 92 04713 SPS8223 010422 151 0199 00 TRANSIST0R PNP SIJO 92 27014 ST65057 010423 151 0424 00 TRANSIST0R NPN SI T0 92F 04713 SPS8246 010428 151 0711 00 TR0NSIST0R NPN SI T0 92 80009 151 0711 00 010429 151 0712 00 TRANSIST0R PNP SIJO 92 04713 SPS8223 010440 151 0711 00 TRANSIST0R NPN SIJO 92 80009 151 0711 00 010441 151 0711 00 TRANSISTORlNPN SIJO 92 80009 151 0711 00 010460 151 0712 00 TRANSISTOR P...

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Страница 185: ...z S B 5 II SJ O O O II II U H h h h U U I II II II I k _ O O O 5 5 8 M M O r r f O O H O O O O X X s s s SJ SJ SJ X X O O X in in S o rs rs 1 1 1 H i 0 0 OP S J t ot o C D O O N N rO J rin in r r 35 35 35 U U U Eu u l I T 5 3 3 3 1 5 55 53 5 3 3 o o e e o p o o e e e e I o o o o 2 i f O O O E E C O O O E E E o a p o ae 1 E E E E g i I o o o o o E E E E E t U U l Ui oc ae to to to to UJ Ul Ul Ul oe...

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Страница 191: ...i i i 4jj jj 1 1 a a o c t t a a Bincnincnu UUU ui uj u t t o c a a t t t t V o cn tf u n I I I II I Jj QJ ItI ococococ oc oc o Z C 1 9 p 1 o 0 9 t t 9 U J 0 x I S S t 9 9 h C L CM o ao o p o o o o i T i i i i CM T CM CM CM CM S r r M r r t C O r O I O I f l o o p o o o i i T i i i in in in in in m r r r r r r no no no no no no o o o p o o T i i 0 0 0 4 r r r SI N N r r no O S in o o o o o i i I i...

Страница 192: ...O O O O e e e e e e o o o o o co e e e e s e E E S E E E t nin t i t t mc L UU JU i U i U JU i BEEB E v u n v u A y j y j y j y j y j OC OC OC OC OC i U 1 1 Qj y j y j y j 1 1 OC OC OC OC OC OC t oc nc oinc t n o o uo a o o o o r C O O U T O o 0 i f f s I I r t r r 1 t o o o i n o o o U I 9 T O O O O O O 1 1 T 1 1 1 U lAU N k Oli r t 1 r T CO OO CO OO CO O O O O O O O m c r c s i rg ts j rg Kt t r...

Страница 193: ...o o o o S M N S S B fM CM O O O X l j o 5 S Fsi fvj K 5 1 I I K o X X X X X 6 R n t o rw to to z I I X o x m o r r v j I K K o S I o o B B B N O N O O N fi R s s fi S i x 3 S i M O O O M O fi s s s K s 5 3 3 5 3 3 5 5 5 3 5 5 s o g o o s o so is oo O X X r IO r lO to r Z Z X X X X X X ro r X ro ro r S R S N N ca S o O N o S eg M I X H O r r 8 1 1 1 8 __ O 353335 333333 Io I P O D P 333333 O O O I ...

Страница 194: ... 3 3 3 2 8888 33 00 00 O O H H H H v if w m o o o o o a e e e e e e oc o a o o t g e e e e i O O O O I e g e e e o o p a o o e e e e e e CS S IS IS t o t o UJ U J UJ UJ U l UJ oc ae ae ae OC oc oc oc oc a oc oc 8 8 8 8 8 8 ac oe ae ac oc oc e 8 o 8 E IS S C g O N r J r m e N N f S N O r C M r U T T T TT in n j in in ir m in in in in in N i r r r r r r f f r r punmmmm rommmmm nmncom e ga i r oo inr...

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Страница 196: ...aa a a s i l l a t a c a t a t a t e t a t a t a t a t a t a t a t a t a t a t a t a t a t a t a t a t a t a t in x n h 8 3 3 8 5 5 5 5 S g g g X X XX P O P t n i n i i s pppp H l i a t a t a t a t 5 5 5 2 X X X X 0 a c o 0 1 0 1 ss r N O o IQ t f I IP M f 1 0 O O 1 g o o o oo 00000 I 1 I I I I c m 0 0 0 N A C D C M C M O OO O I I I I I I in in o w r r r 1 O N r c o c n c o c n c o co C O C S IC M...

Страница 197: ...OCKT LINEAR OPERATIONAL AMP JFET INPUT 27014 LF351N GLEA134 A1U930 156 1627 00 MICROCKT LINEAR PULSE NIDTH MODULATED CONT 12969 UC494ACN CIRCUIT SNITCHING PONER SUPPLY SCRN A1U975 152 0806 00 SEMICONO OVC OI HV MULTR 4KVAC INPUT 12KVDC 12969 CMX647 A1VR200 152 0149 00 SEMICOND D V C D I Z E N S I 10V 5X 0 4N D 0 7 15238 Z5406 A1VR645 152 0317 00 SEMICONO DVC DI Z E N S I 6 2 V 5 X 0 2 5 N 0 0 7 04...

Страница 198: ...0 X 0 22SL 24546 OMO 07 01X972 131 0566 00 BUS COND 0UMMY RES 0 094 00 X 0 2251 24546 OMO 07 01X974 131 0566 00 BUS COND DUMMY RES 0 094 00 X 0 2251 24546 OMO 07 01X975 131 0566 00 BUS CONO DUMMY RES 0 094 00 X 0 225L 24546 OMO 07 01X976 131 0566 00 BUS CONO DUMMY RES 0 094 00 X 0 225L 24546 OMO 07 01X977 131 0566 00 BUS CONO DUMMY RES 0 094 00 X 0 225L 24546 OMO 07 01X979 131 0566 00 BUS CONO DUM...

Страница 199: ...MA101C10ZMAA 02C38 281 0862 00 CAP FXD CER D I 0 001U F 80 20X 100V 04222 MA101C10ZMAA Q2C51 281 0214 00 C0P V0R CER 0 I 0 6 3 P F 4 0 0 V 52763 313613 140 02C52 285 1132 02 B010100 B018643 COP FXD PLASTIC 0 019UF 10 600V RADIAL LD 80009 285 1132 02 Q2C52 285 1106 00 B018644 CAP FXO PLASTIC 0 022UF 20X 600V 14752 23081F223 02C53 281 0182 00 8010100 B018643 COP VAR PLASTIC 1 8 10PF 500V TK1727 2222...

Страница 200: ...N 5X 0 125N 01121 885665 02R4 317 0082 00 8018644 RES FXD CMPSN 8 2 0HN 5X 0 125N 01121 BB82G5 02R5 321 0648 07 B010100 8018643 RES FXD FILN 500K 0H N 0 U 0 125N T C T 9 19701 5033RE500K0B 02R5 321 0469 07 8018644 RES FX0 FIIM 750K 0H N 0 1X 0 125N TC T9 19701 5033RE750K08 02R6 317 0474 00 B010100 B012999 RES FXD CMPSN 470K 0HN 5X 0 125M 01121 BB4745 02R6 317 0105 00 8013000 RES FXD CNPSN 1N 0H N ...

Страница 201: ...C M S 5 K O 0 P s s s s s s N g r O r N S im s BBSS T T t r r i O r l h r N t r Q S 8 iigge SQCQCN H r I O O 8 S ttW U 3 ro to cd Lu m 5 o a a So cnG uuj ui Q m o u u g S 3 CD Pw ru CO 0 p is r n ft tfiopifliAm g X o o 11131 0000 7 CI coim in op S S Ncn 0 f2t2f2iSi2l2 Q CO CQ CQ CQ CQ C O 1 I O I s N rr N c n r C MC MC MN ft C M T 1t r r P W r r t 1 r r mmmmmi P Q N Q O r 8 1 N J O u m IS o o sz G...

Страница 202: ... o O O O l B t t t t t t 8 8 i i s I S i O O p __ 0 0 0 a c N fsj rsj r 0 O i t 0 UJ N 10 r t UJ r 0 SBS c b 5 S i o 8 8 S l 8 3 C L S 33 S343S343SS38S3S3 B tt i s 8 r r 3 3 43 3S 3S 348S 3 a a a a a a o o x _ p to p to p 0 O V O P 1 SI 3 3 i 3 3 3 M M 2K M u u_ O U u u a a a a t s f f l o co ca co co co c o j H H 3 J f t 6 K d i i o o _ 0 o in in ___ x x oc oc O U r r t i B s i i l l i k U U U Z ...

Страница 203: ...7 311 2230 00 8018644 RES VAR N0NNN TRNR 500 0H N 20X 0 50 LINEAR TK1450 6FD6UT 500 A2R98 315 0512 00 8010100 B018643 RES FXD FILM 5 1K 0HM 5X 0 25N 57668 NTR25J ED5K1 A2R98 315 0752 00 B018644 RES FXD FILM 7 5K 0HM 5X 0 25N 57668 NTR25J E07K5 A2R9100 315 0560 00 RES FXD FILM 56 0HN 5X 0 25N 57668 NTR25J E56E0 A2R9S10 315 0560 00 RES FXD FILM 56 0HM 5X 0 25N 57668 NTR2SJ E56E0 A2S1 263 1040 00 B01...

Страница 204: ... 5 BRZ 6LD PL 22526 48283 036 QUANTITY OF 2 03P9006 131 0589 00 8014886 8019899 TERNINAL PIN 0 46 L X 0 0 2 5 SO PH BRZ 22526 48283 029 QUANTITY OF 2 03P9006 131 0787 00 8019900 TERM INAL PIN 0 64 L X 0 0 2 5 SQ PH BRZ 22526 47359 000 QUANTITY OF 2 03R89 315 0242 00 R ES FX0 FILN 2 4K 0HH SZ 0 25N 57668 NTR2SJ E02K4 03092 315 0333 00 RES FXD FILN 33K 0H N 5Z 0 25H 57668 NTR25J E33K0 030111 321 025...

Страница 205: ...2075 00 A3S545 260 2033 00 SNITCH SLI0E 0PTT 125V 0 5A 82389 ORDER BY OESCR A3SS50 260 2033 00 SNITCH SLI0E DPTT 125V 0 5 0 82389 ORDER BY OESCR A3555S 260 2033 00 SNITCH SLI0E 0PTT 12SV 0 5A 82399 OROER BY OESCR A3S602 260 2075 00 SNITCH PUSH SP0T 50VDC 500N ANP 80009 260 2075 00 A3S648 260 2033 00 SNITCH SLIDE DPTT 125V 0 5 6 82389 OROER BY OESCR A3S701 260 2023 01 SNITCH R0T0RY 0 B SNEER 82104 ...

Страница 206: ... J g Q S 5 5 M H M M r lL x x x z a ___ u a s ik ik N D 3 U S to co to to cm a cn co to co a o a a x a u u aoooh O O O D f f i O D X X t t f c t t S S a s p s i A i c 8 8 a 8 o oT Mm M M Q Q u u o u o u O S D 3 I _ e e e CL IOOONO C M OOONO U H O Q O O Q S S S S B B Q UOUUU a a a a a a S S S 5 S S Si C L H tn _ g tf SSuT g a UuttU U U u a r a u 3 3 in I N r n 00 CM c3 u m V M qm m H m H h fi JO J ...

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Страница 208: ...ft f5 N I M r s f w I S N s s s s s s O r N m r c c c c c c a a a a a a 3 3 3 3 3 3 S m m S S S 3 mmS 9 iZ C M X b S r N N r r O N rtf e s g e e e c s e s s O N N O ftO k N 9 M N s t t 5 8 Ss DOOOi N 0 2 h V h o 1 r r r S f B B 5 o B O 3Xi n 1 x 1 3 3 3 3 3 3 ijE c c c jE i e e e e e a a a a a s ffii U 15 mP ON r 5 N S S rS r r r r nr M H WN s r s k s r a a a a a a s s s s s s i l l s S S S S S n ...

Страница 209: ...I S S jocS 3 C 3 M l NM jflN tA tnvi a S f a s s 5 M M M o laB M N M S S S 0 0 j j j S o S BBBI1I S g g t i a a a s s s S x 3 S I T T I 0 0 S CO o r r t I T CO N N N r r s a oc oc 9 c ca sa o o CD e 8 2 8 REV NOV 1986 ...

Страница 210: ... U L t U r l u fr O O U U 9 o rg rg r r O O N I f l g o o o o o lo S B S S S I f f i U U U U U S t a a a a a i n a e z a a c 000000 o o o o o o BBBBBB O O O O O O o p o o c To b e e S e B a a a a a a a a a a a a o o o o o o g g 0 0 0 S RI IOOO j o BBS O O O 0 0 0 a a x 000 t ot o t o m r rj I I I S 3 3 IS 3 o O H s g y S 3 fc W O t i o S 3 N O a a a t o s s l l i O O O O I ip co m X _ m t ot ot ot...

Страница 211: ... 0 0 0 s g s ill s N K i i ini n o o 1 I I X X intocnc o o a n a a U E S S E OC OC OC OC o o o o H H I I K cnm inc n t Mt a cnc n CM fSJ T T O O c nino c i a z m s x rs Jf s l c ncncnc n 8 x l I Ih I O I I I I u u H S I H w O M i3 ttK O S S o n SI52 0 0 S r S J N r cn 5 S K Z g o o p oSi 05 05 H 2 o o h ill ifiSB b b b 8 i l l 1 1 5 S O M A O O O O r O O O c d R cm t o no c o n o r f i o N o o o c...

Страница 212: ...E 050667 315 0151 00 RES FXD FI 18 150 08M 5Z 0 2S 8 57668 NTR25J E150E 050670 315 0512 00 RES FX0 FILM 5 1K 0KN 5X 0 2 58 57868 NTR25J E05K1 050671 315 0681 00 8010100 8020205 RES FXD FI 18 680 0HM 5X 0 2S8 57668 NTR2SJ E680E 050672 315 0331 00 RES FXD FI 18 330 0 8 8 5 2 0 2 5 8 57668 NTR2SJ E330E 050674 315 0512 00 RES FXD FI 1 8 5 IK 0 8 8 5 2 0 2 5 8 57668 NTR2SJ E05K1 050677 315 0471 00 RES ...

Страница 213: ...MA 07 05 695 131 6566 00 BUS COND DUMMY RES 0 094 00 X 0 225L 24546 OMA 07 05 696 131 0566 00 BUS C0ND DUMMY RES 0 094 00 X 0 2251 24546 OMA 07 05 698 131 0566 00 BUS C0N0 0UMMY RES 0 094 00 X 0 225L 24546 OMA 07 05 9401 131 0589 00 B010100 B019899 TERM INQL PIN 0 46 L X 0 0 25 SO PH BRZ 22526 48283 029 QUANTITY OF 27 05 9401 131 0787 00 B019900 TERM INAL PIN 0 64 L X 0 0 25 SQ PH BRZ 22526 47359 ...

Страница 214: ... 0HM 5X 0 5H 19701 5053CX470K0J A6R901 301 0512 00 RES FXD F1LM 5 1K 0HM 5X 0 5N 19701 5053CX5K100J Q6R903 301 0331 00 B010100 B016384 RES FXD FILM 330 0HM 5X 0 5N 19701 5053CX330R0J A6R903 301 0131 00 B016385 RES FXO FILM 130 0HM 5X 0 5N 19701 5053CX130R0J 06RT901 307 0863 00 RES THERMAL 10 0HM 10X NTC 15454 SG 13S 06T901 120 1449 00 TRANSFORMER RF COMMON M00E 2 7NH 2A 02113 P104 06T903 120 1455 ...

Страница 215: ... 4 M A A 0 1 0 C 1 3 1 1 2 8 1 0 1 5 0 0 0 C O P V A R C E RD I 7 4 5 P F 2 5 V 5 9 6 6 0 5 1 8 0 0 6G7 4 5 0 1 0 C 1 3 1 3 2 8 1 0 7 7 5 0 0 C A P F X O C E RD I 0 1 U F 2 0 t 5 0 V 0 4 2 2 2 N A 2 0 5 E 1 0 4 M A A Q 1 0 C 1 3 1 S 2 8 1 0 7 7 5 0 0 C A P F X O C E RD I 0 1 U F 2 0 t 5 0 V 0 4 2 2 2 M Q 2 0 5 E 1 0 4 M A A 0 1 0 C 1 4 0 0 2 9 0 0 8 4 7 0 0 C A P F X 0 E I X T L T 4 7 U F 5 O i o ...

Страница 216: ...333 00 SEMICONO OVC 0 1 S N S I 55V 200M 0 00 35 07263 FDH 6012 010CR1804 152 0333 00 SEMICONO 0V C 0I S N S I 55V 200M 0 00 35 07263 FDH 6012 010CR1805 152 0246 00 SEMICOND 0V C 0I S N S I 40V 200N Q D 0 7 14433 N61537TK 010CR1806 152 0246 00 SEMICOND D VC O I SN S I 40V 200M A 00 7 14433 N61537TK 010CR1810 152 0246 00 SEMICONO 0V C 0I S N S I 40V 200M A 00 7 14433 N61537TK A10CR1976 152 0141 02 ...

Страница 217: ...08 00 B010100 8018231 TERM INAL PIN 0 365 L X 0 0 2 5 BRZ GLO PL QUONTITY OF 3 22526 48283 036 A10Q1001 151 0188 00 TRONSISTOR PNP SI TO 92 80009 151 0188 00 A10Q1002 151 0188 00 TRONSISTOR PNP SI TO 92 80009 151 0188 00 A1001003 151 0188 00 TRONSISTOR PNP SI TO 92 80009 151 0188 00 01001004 151 0188 00 TRONSISTOR PNP SI T0 92 80009 151 0188 00 A100100S 151 0188 00 TRONSISTOR PNP SI TO 92 80009 15...

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Страница 221: ...3 3 3 3 5 8 or S s s 5 i s d o n I o B B b I k B u z 0 0 0 0 0 g x x T r P f e i r c p 3 3 3 8 8 3 m m m ilILm B i S a or 0 o S S v S B S i 8 i 6 l 6 B K 1 1 K K O O O O O O XX X X o o o ft r TlLtur f 3 3 S S 3 3 u ST ul lu W W M W M 1 1 1 1 2 O O O O O OX XXXX ft O O O O o N r 3 3 3 3 3 3 BK ill ll b s s 3 3 3 3 3 ul C Lu bu Lu U l T EEEggg B B B B B B or or or or or or E E E i i E b b b b b b or...

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Страница 224: ... 0 25k 01121 C82015 Q10RT1806 307 0645 00 RES THERMAL 5K 0HN 4OX 50157 180050201 D10S1400 260 1721 00 B010100 B014069 SNITCH R0CKER 8 SPST 125MA 30VDC 81073 76S808S 010T1801 120 1454 00 XFMR PNR STPON HF ISOLATION 80009 120 1454 00 A10TP1000 131 0608 00 TERM INAL PIN 0 365 L X 0 0 2 5 BRZ OLD PL 22526 48283 036 010TP1500 131 0608 00 TERM INAL PIN 0 36S L X 0 0 2 5 BRZ OLD PL 22526 48283 036 A10TP1...

Страница 225: ... 00 MICROCKT LINEOR OUOL OPERATIONAL AMPLIFIER 18324 NE5532 FE B 01001700 156 0383 02 MICROCKT DGTL QUQO 2 IN P NOR GOTE 18324 N74LS02NB 01001802 156 1149 00 MICROCKT LINEOR OPEROTIONQL ONP JFET INPUT 27014 LF3S1N GLEA134 01001803 156 1644 00 MICROCKT LINEOR OP AMP LON INP BIAS DRIFT 04713 IA11CLH 01001804 156 1384 02 CPLR OPTOELECTR OPTICOL ISOLATOR XSTR OUT 09019 H11L3 010U1805 156 1384 02 CPLR ...

Страница 226: ...4 00 01062050 175 6643 00 CO 0SSY SP ELEC 9 26 0 6 6 3 5 L RI8B0N 80009 175 6643 00 01062100 198 4875 00 COBLE 0SSY RF 2 50 OHM C 00X 8 125 L 80009 198 4875 00 01062200 175 0641 00 CO ASSY SP ELEC 6 2 6 06G 9 0 L RI8B0M 80009 175 6641 00 01062300 198 5136 00 CO 0SSY SP ELEC 50 OHM C00X R8N COBLE 12 0 80009 198 5136 00 01062400 175 6839 00 CO 0SSY SP ELEC 5 26 06G 10 0 L RIB80N 80009 175 6639 00 01...

Страница 227: ...COUNTER 80009 672 1139 01 OPTION 14 ONLY SANE AS A10 EXCEPT AS LISTED O il 672 1139 02 8014070 8018231 CIRCUIT BO ASSY COUNTER 80009 672 1139 02 OPTION 14 ONLY SOME AS 010 EXCEPT AS LISTED O il 672 1139 03 8018232 CIRCUIT 80 ASSY COUNTER 80009 672 1139 03 OPTION 14 ONLY SOME OS 010 EXCEPT AS LISTED 011C1312 281 0775 00 CAP FXD CER D I 0 1U F 20X 50V 04222 MQ205E104MAR 011U1304 119 0262 00 OSCILLAT...

Страница 228: ...018231 CAP FXO CER 0 I 0 22U F 20X 50V 05397 C330C224M5U1CA 012C1975 281 0775 00 B018232 CAP FXO CER D I 0 1 U F 2 0 t 5 0 V i 04222 MA205E104MAA 012C1976 283 0198 00 8010100 B018231 CAP FXO CER D I 0 22U F 20X 50V 05397 C330C224M5U1CA 012C1976 281 0775 00 B018232 CAP FXO CER 0 I 0 1 U F 20 X 50 V 04222 MA205E104MAA 012C1982 281 0809 00 CAP FXO CER 01 200 P F 5t 100V 04222 MA101A201JAA 012CR1901 1...

Страница 229: ...f t f t z z z S S i a a a oi a J J J g g g I S S 2 J 2 2 i i i i i i i i i i i i 2 gs r N V N 3 3 3 3 3 ggfli l ifgggg ggggfg O O t H I V AU I f l e f N f l t i d t K 1 3 3 3 3 3 3 3 3 Sgg s or 3 SffiJSffiiSffi a s a o t a a Q Q I S i S t S t S BSffit3t3i3 ocaacoeatt oeoeoeoeS k m n s s m Q D o f f l d m g M t C 4 O CD IS tf Ifiioifimo gxooima r u n n t j rs jar mmV n s g 8 8 e e s S a 3 g t t V t...

Страница 230: ... IN N N N 1 0 1 5 3 3 5 3 3 3 3 5 3 3 3 3 3 3 3 5 3 5 3 3 3 3 3 3 3 i 3 zunrtTiLiL tr u lC uu ltjvtv tvtrtrtvtvLv tr tvn rnrtvtr n rmtv3 tn ttOOOOO o o o o o o o o o o o o o o o o o o o o o o o g e e e e e b e e c e c e e e e e e e e e e e e e e e e e ffiffiBffifiSffi ffi ffi ffi ffi ffi 3Q ffl g 0 3 3 3 3 3 3 oeaaatta a ca co cat o cfit a a a c x a ocaettocas a t t a a a o o o o o rv O O O I I T ...

Страница 231: ...0E A12R1982 315 0473 00 RES FXD FILM 47K 0H N 5t 0 25M 57668 NTR25J E47K0 012R1983 305 0243 00 RES FXD CMPSN 24X 0HM 5Z 2N 01121 HB2435 A12R1984 321 0369 00 RES FXD FILM 68 1K 0HN 1X 0 12SH TC T0 19701 5043E068K10F A12RT191S 307 0662 00 RES THERMAL IK 0HM 40X 50157 180Q10216 A12U1900 156 1200 00 MICR0CKT LINEAR 0PERATI0NAL AMP QUAD Bl FET 01295 TL074CN A12U1901 156 1149 00 MICROCKT LINEAR OPERATIO...

Страница 232: ...Y 80009 670 7423 00 013 670 7423 01 8014070 8018231 CIRCUIT B0 ASSYrOISPLAY PARTIAL 80009 670 7423 01 013 670 7423 02 8018232 CIRCUIT 80 ASSY 01SPLAY PARTIAL 80009 670 7423 02 Q13P2000 131 0608 00 TERNINAL PIN 0 365 L X 0 0 2 5 BRZ GUI PL 22526 48283 036 QUANTITY OF 10 013P2050 131 0608 00 TERNINAL P1N 0 365 L X 0 0 2 5 BRI 610 PL 22526 48283 036 QUMTITY OF 9 013V9900 150 1110 00 DISPLAY FLUOR 9 0...

Страница 233: ... o n t_______Name A Description___________________ Code A14 670 7434 00 CIRCUIT BO ASSY HOT SIGNAL SNITCH BOARD 80009 A14S1801 260 2079 00 SNITCH PUSH 5 BUTT0N 2 6 8 P0LE 0HM 59821 A14S1802 260 2080 00 SNITCH PUSH 1 BUTT0N 8 P0LE 0NM 59821 M fr Part No 670 7434 00 ORDER BY DESCR ORDER BY DESCR REV NOV 1986 8 4 7 ...

Страница 234: ...I 0 1U F 20X 50V 04222 N0205E104N00 015C3104 281 0775 00 C0P FX0 CER D I 0 1U F 20Z 50V 04222 M0205E104MOO 015P2102 131 0787 00 TERMINQL PIN 0 64 L X 0 0 25 SO PH BRZ 22526 47359 000 015P2800 131 0589 00 TERHINOL PIN 0 46 L X 0 0 25 SO PH BRZ 22526 48283 029 015P2950 131 0589 00 TER M IN 0l P IN 0 46 L X 0 0 25 SO PH BRZ 22526 48283 029 015R3101 315 0102 00 RES FXD FILM 1K 0HM 5X 0 25N 57668 NTR25...

Страница 235: ...79 J9510 131 0955 00 CONN RCPT ELEC BNC FEMALE 13511 31 279 P I900 131 0608 00 TERM INAL PIN 0 365 L X 0 025 8RZ OU PL QUANTITY OF 2 22526 48283 036 Q9070 151 1152 00 TRANSISTOR MOSFE N CHANNEL SI T0 22O 04713 IRF820 R9100 315 0560 00 RES FXD FILM 56 0H M 5l 0 2SN 57668 NTR25J E56ED R9272 301 0121 00 RES FXO FILM 120 0HM 5X 0 5H 19701 5053CX120K0 R9273 301 0121 00 RES FX0 FILM 120 0HM 5Z 0 5H 1970...

Страница 236: ...ator illustration The Replaceable Electrical Parts list is arranged by assemblies in numerical sequence the components are listed by component number see following illustration for constructing a component number The schematic diagram and circuit board component location illustration have grids A lookup table with the grid coordinates is provided for ease of locating the component Only the compone...

Страница 237: ... pF under 10 pF BLACK 0 1 1 20 2 pF 4 VDC BROWN 1 10 1 10 1 0 1 pF 6 VDC RED 2 102 or 100 2 102 or 100 2 10 VDC ORANGE 3 103 or 1 K 3 103 or 1000 3 15 VDC YELLOW 4 104 or 10 K 4 104 or 10 000 100 9 20 VDC GREEN 5 10s or 100 K 10s or 100 000 5 0 5 pF 25 VDC BLUE 6 106 or 1 M Vi 106 or 1 000 000 35 VDC VIOLET 7 il 10 50 VDC GRAY 8 10 2 or 0 01 80 20 0 25 pF WHITE 9 10 or 0 1 10 1 pF 3 VDC GOLD 1 0 1...

Страница 238: ...TORS CATHODE IS FLAT SIDE WITH SHORT LEAD LED ROM plugs into Pin 3 of socket ROM MICROPROCESSOR INTEGRATED C IR C U ITS LEAD CONFIGURATIONS AND CASE STYLES ARE TYPICAL BUT MAY VARY DUE TO VENDOR CHANGES OR INSTRUMENT MODIFICATIONS Figure 9 2 Semiconductor lead configurations 4 2 0 4 5 6 ...

Страница 239: ...the desired circuit board This information is on the back side of the tabs Using the Circuit Number and grid coordinates locate the component on the Circuit Board Illustration In the circuit board location illustration determine the location of the circuit board in the instrument d Find the circuit board in the instrument and compare it with its illustration in the manual to locate the desired com...

Страница 240: ...2236 Service CTM INTERFACE SIGNALS F ig u re 9 4 O s c illo s c o p e b a sic b lo c k diag ram 4294 46 ...

Страница 241: ... VERT DEFL 2236 Service 4 2 0 6 3 5 4 2 0 4 4 7 F ig u re 9 5 O scillo sco p e d e ta ile d b lo c k diag ram ...

Страница 242: ...2236 Service 4204 34 Figure 9 6 CTM basic block diagram ...

Страница 243: ...DMM POWER S U P P LIE S 2236 Service F ig u re 9 7 C T M d e ta ile d b lo c k diag ram ...

Страница 244: ...d on each waveforms page Measurements are referenced to chassis ground with the exception of the Preregulator and Inverter voltages on Diagram 7 These voltages are referenced as indicated on the schematic diagram RECOMMENDED TEST EQUIPMENT Test equipment in Table 4 1 in the Performance Check Procedure Section 4 of this manual meets the required specifications for testing this instrument Horizontal...

Страница 245: ...agram number on which the voltage appears The schematic dia gram grid location of a service jumper or component is given adjacent to the component number on the power distribu tion and circuit board interconnect diagrams If a power supply comes up after lifting one of the main jumpers from the power supply to isolate that supply it is very probable that a short exists in the circuitry on that sup ...

Страница 246: ...N D L 9 2 1 0 2 5K P 9 8 7 0 4 7 7N P 9 8 7 0 5 7 6P D S 9 1 5 0 7 8 A P 9 8 7 0 7 7 5P P 9 8 7 0 8 7 7P F 9 00 1 7 5 A Q 9 0 7 0 7 8 J F L9001 7 5A R 9 1 0 0 1 3 A J 9 1 0 0 1 3 A R 9 2 7 2 2 8S J 9 3 7 6 3 5 A R 9 2 7 3 2 2 S J 9 5 1 0 1 7 A R 9 3 7 6 3 5 A J 9 8 0 0 7 4 A R 9 5 1 0 1 7 A J 9 9 0 0 6 2E R 9521 4 3 A R 9 6 4 4 5 5D P 9 2 7 2 7 5P R9 8 0 2 A 7 2 A P 9 2 7 3 7 5P R 9 8 0 2 B 7 3 A ...

Страница 247: ...BLE 4 9B 37 Tn t 3 7C 18 XY 3 2C 38 GND 3 6C 19 A SLOPE 3 8N 39 EXT INPUT 3 5C 20 A TRIGGER LEVEL 3 8 M W9001 A1 T O A 3 D IA G N O D IA G N O W IRE G R ID W IRE G R ID NO LIN E N A M E C O O R D IN A T E S N O LIN E N A M E C O O R D IN A T E S 1 BEAM FIND 7 4F 21 HORIZ POS 6 3B 2 CH 1 POS CW 2 2D 22 AUTO LEVEL CW 3 8M 3 CH 1 POS CCW 2 3D 23 AUTO LEVEL CCW 3 8M 4 A B SWP SEP 2 2L 24 P P 4 8B 5 8 ...

Страница 248: ... 25 8 6 Va 14 7P 12 CHI SELECTED 5 2F 26 5 0 Va 14 5P 13 A ONLY 5 IF 27 8 6 Va 14 5P 14 DELAY 5 5F W9401 A5 TO A1 WIRE NO LINE NAME DIAG NO GRID COORDINATES WIRE NO LINE NAME DIAG NO GRID COORDINATES 1 B SIGNAL 5 9G 15 GND 5 4G 2 B SLOPE 5 9G 16 GND 5 4G 3 GND 5 4G 17 B RETRACE 5 7G 4 B LEVEL 5 9G 18 GND 5 4G 5 A DISP 5 IS 19 VALT 5 2G 6 B ONLY 5 2G 20 A SWP 5 5G 7 SEP 5 2S 21 ALT SYNC 5 1G 8 B IN...

Страница 249: ...A DISP 6 5D 2 B DISP 6 5D 3 B SWP 5 6F 4 H O 2 4 4D 5 H O 1 4 4D 6 H O COM 4 4D 7 A SWP 4 8M 9 GND 14 2P 10 B RETRACE 5 6F 8 A GATE 4 7M P9705 A 4 T O A 1 PIN NO LIN E N A M E D IA G NO G R ID C O O R D IN A T E S 1 GND 6 0E 2 SWP 6 5K 3 SWP 6 7K 4 GND 6 9E 5 X AXIS SIG 6 4E 6 8 6 Vc 6 9E 7 8 6 Vb 6 8E 8 30 Vb 6 8E W 9705 A1 T O A 4 W IRE N O LIN E N A M E D IA G N O G R ID C O O R D IN A T E S 1 ...

Страница 250: ...RE N O L IN E N A M E D IA G N O G R ID C O O R D IN A T E S 1 G5 13 3N 2 G6 13 3N 3 G7 13 3M 4 G8 13 3M 5 G9 13 3M 6 Pdp 13 3M 7 Pe 13 3M 8 Pg 13 3L 9 Pf 13 3L 10 FI 13 3L W 2050 A 10 T O A 13 W IRE N O LIN E N A M E D IAG N O G R ID C O O R D IN A T E S 1 F2 13 3S 2 Pa 13 3S 3 Pb 13 3S 4 Pc 13 3P 5 Pd 13 3P 6 G1 13 3P 7 G2 13 3P 8 G3 13 3P 9 G4 13 3N W 2100 A 1 0 T O A5 W IRE NO LIN E N AM E D I...

Страница 251: ... O A 10 PIN D IA G N O G R ID N O LIN E N A M E C O O R D IN A T E S 1 F2 13 3S 2 Pa 13 3S 3 Pb 13 3S 4 Pc 13 3P 5 Pd 13 3P 6 G1 13 3P 7 G2 13 3P 8 G3 13 3P 9 G4 13 3N W 2050 A 10 T O A 13 W IRE N O L IN E N A M E D IA G N O G R ID C O O R D IN A T E S 1 F2 13 3S 2 Pa 13 3S 3 Pb 13 3S 4 Pc 13 3P 5 Pd 13 3P 6 G1 13 3P 7 G2 13 3P 8 G3 13 3P 9 G4 13 3N P2100 AS T O A 10 PIN N O LIN E N A M E D IA G N...

Страница 252: ...ID C O O R D IN A T E S 1 B RUN AFTER DELAY 10 9A 2 GND 10 9A 3 B GATE 10 4A 4 GND 10 9A 5 CTR INTENS 10 7S 6 CH 1 SEL 10 2A W 2300 A 10 T O A 1 W IRE N O LIN E N A M E D IA G N O G R ID C O O R D IN A T E S 1 VALT 10 1A 2 A ONLY 13 6A 3 GND A 10 3S 4 DELAY 10 2S 5 DT WIPER 10 3A P2400 A1 T O A 10 PIN NO LIN E N A M E D IA G N O G R ID C O O R D IN A T E S 1 GND 14 6C 2 30 Vc 14 3C 3 8 6 Va 14 7C ...

Страница 253: ...A10 COUNTER TIMER MULTIMETER BOARD F ig u re 9 8 C irc u it b o a rd lo c a tio n Illu s tra tio n ...

Страница 254: ...S I 0 O I 5 1 S O i 4204 21 C IR C U IT BOARD INTERCONNECTIONS ...

Страница 255: ...2 2 3 6 S e rv ic e A ll c o m p o n e n ts on th e A 2 A tte n u a to r b o a rd are lo c a te d on D ia g r a m ...

Страница 256: ...D I E C3104 C3103 o C OC OC OiC O CC CC C C 0 2 C O O F ig ure 9 10 A 15 L o g ic S w itch board P 2 8 0 0 P 2 9 5 0 A ll co m p o n e n ts on th e A 15 L o g ic S w itch b o a rd are lo c a te d on D ia g r a m ...

Страница 257: ... C61 7E 4C Q 15 4H 2D R 4 6 4H ID C 62 7E 3C Q 1 8 3H 1C R 47 5H ID U 1 0 4 F 1C C 6 3 6H 4C Q 6 3 7H 4C R 48 5H ID U 3 0 3N 2E C 6 7 6H 3C Q 65 8G 3 D R 52 7 B 4A U 60 7F 3C C71 8L 3E Q 68 7H 3 C R 53 7F 3C U 80 7N 4E C 76 8M 3E R 54 7C 4A V R 1 0 9G C 7 7 8 M 4E R2 3 B 2 A R 55 8F 3 C V R 6 0 9H C 80 8 M 4E R3 3F 1C R 56 7G 4 C C 85 9N 3E R4 3 B 2A R 57 7D 3B W 4 3 6P IF C 8 8 9P 3E R 5 4F 1C R ...

Страница 258: ...COMP C6S O O l jF f fev64 p i 2001 C O O I Q 6 3 R4 4 5 0 O K f l U 6 0 2 K 1 W O A E R59 1 6 RSo 500K T I j i cso 1 N C 6 0 l O O O X 2200 a B fev R fc O l O K v f R 6 I 1 __ J 60 6T OOI P H M i Q feQ T T O Rfc 9 Rea io Q 6 5 8 S LWZ STEP BAli C H 2 M F L F G A IN S A fcFF SM 0 Bfc43i BELOW ...

Страница 259: ...1 ft 2 ft 3 4 ft 5 6 ft 7 ft 8 9 A i_ B _ O t D j __ E_ _ j ____ F___ j____G___ j____ H___ j____ J___ j___ K____ j___ L _ ____ j___ M j ____ N t P t S ...

Страница 260: ...d on the reverse side of the circuit board R E V A U G 1 9 8 5 4204 37D Static Sensitive Devices See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number A23A2R1234 Assembly Number Subassembly Schematic Circuit Number Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List F ig u re 9 11 A 1 M a in b o ard ...

Страница 261: ...2 R 1 8 2 2 C 3 9 6 7 C 9 1 7 7 C R 9 6 7 7 Q 44 1 2 R 1 8 3 2 C 3 9 7 3 C 9 1 9 7 C R 9 7 0 7 Q 4 6 0 3 R 1 8 5 2 C 4 0 5 3 C 9 2 2 7 D S 8 5 6 7 Q 4 6 3 3 R 1 8 6 2 C 4 0 8 3 C 9 2 5 7 D S 8 5 8 7 Q 5 0 9 4 R 1 8 8 2 C 4 1 4 3 C 9 4 0 7 D S 8 7 0 7 Q 5 1 1 4 R 1 8 9 2 C 4 1 5 3 C 941 7 E 2 0 0 14 Q 5 2 5 4 R 1 9 2 2 C 4 1 8 3 C 9 4 2 7 E201 14 Q 5 7 6 4 R 1 9 3 2 C 4 1 9 3 C 9 4 3 7 E 2 7 2 14 Q...

Страница 262: ...1 14 W 9 4 0 0 2 5 R 4 3 3 3 R 5 7 6 4 R 8 9 0 7 U 5 0 4 4 W 9 9 2 1 4 W 9 4 0 0 3 14 R 4 3 4 3 R 5 7 7 4 R891 7 U 5 0 6 4 W 9 9 3 14 W 9 4 0 0 4 5 R 4 35 3 R 5 7 8 4 R 8 9 2 7 U 5 0 6 4 W 9 9 5 14 W 9 4 0 0 5 5 R 4 4 0 2 R 5 8 0 4 R 8 9 3 7 U 5 3 2 4 W 9 9 7 1 4 W 9 4 0 0 6 5 R 441 2 R 582 4 R 8 9 4 7 U 5 3 2 4 W 9 9 8 14 W 9 4 0 0 7 5 R 4 4 2 2 R 583 7 R 9 0 5 7 U 5 3 2 4 W 9 9 9 14 W 9 4 0 0 8 ...

Страница 263: ...t a i R483 M 7 9 g S S i lf ioi 11 f t f t f t R 43 f t 1 J R442 m SI 5 S _i___ _ mi I I S o i IJ eoUl p ir CSOS H m i n 0 0 9 _ M R 3 54 jjgi 0 w 3 g g S S K s S S S K t S g 2 2 E 2 2 E 2 E 3 v t i t S B S l f t f t f t f t f t f f f t 0 S R339 CMlO t 2 W 4 7 22 2o S 1350 W35I 0 6 4 R340 fj RI64 j f B 8 8i RI7Q U t 8 8JAt R I76 R I71 s f t H f t 0203 410 w3io s M y B115 j 1 S v R J V 8 i a V iS M...

Страница 264: ...L T S D IV b o t h 0 1 V AC Waveforms VER TIC AL MODE BOTH CHOP A TRIGGER Mode P P AUTO 0 4ps 0 8p8 H Ht IN A OR B LO IN ALT L A SVP B SWP 3V SQ WAVE REFERENCED TO 3V OR DEPENDING ON SETTING OF SEP POT AMPLITUDE ALSO DEPENDS ON SETTING OF SEP POT 4206 93 4204 49 ...

Страница 265: ...1 3 M IE U 5 3 7 B 4E 1 J C 2 6 2 5P 2G R 1 2 5 2E 3C R 2 3 3 5N IE U 5 3 7 C 5D 1 J C 281 2 M IF R 1 2 6 2E 3C R 2 3 4 6 M 2E U 5 3 7 D 5C 1 J C 2 8 2 3L 6F R 1 3 0 2F 3C R 2 3 5 4 M IE U 5 4 0 A 5E 2H C 2 9 2 IN 2E R131 3F 3C R 2 3 6 5N IE U 5 4 0 B 5C 2H C 5 3 7 9 M 1J R 1 32 5F 1G R 2 3 9 5 M 2E C 5 3 8 5D 3G R 1 3 3 5F 2C R 2 4 0 5 M IE V R 2 0 0 5G 2D C 5 3 9 6D 3G R 1 3 5 4F 2C R 241 5 M I ...

Страница 266: ...B W 9 0 0 0 2 2D 4 A R111 2D IB S 2 2 6 3K 2C W 9 0 0 0 3 3D 4 A R 11 2 3D IB S 5 4 5 4 A 2C W 9 0 0 0 4 2 L 4 A R161 9D 1C S 5 5 0 5 A 2B W 9 0 0 0 6 7B 4B P artial A 3 also s h o w n on diagram s 1 3 4 5 6 7 a nd 14 CHASSIS M O U N T E D PARTS C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D N U M B E R LO C A T IO N ...

Страница 267: ...1 2 3 4 5 6 7 8 9 J T K L M_ _ ___ N___l _ P____l S ...

Страница 268: ... 2 0 0 2 1 S 401 4 W 9 0 0 0 2 8 5 J 9 2 5 0 1 6 S 40 1 4 W 9 0 0 0 2 9 4 J 9 2 5 0 2 3 S 4 6 0 3 W 9 0 0 0 2 2 J 9 2 5 0 3 3 S 5 4 5 2 W 9 0 0 0 3 0 4 J 9 2 5 0 4 4 S 5 5 0 2 W 9 0 0 0 3 1 3 P 9 0 0 6 1 7 S 5 5 5 3 W 9 0 0 0 3 2 3 P 9 0 0 6 2 7 S 6 0 2 5 W 9 0 0 0 3 3 3 R 89 1 S 6 4 8 5 W 9 0 0 0 3 4 3 R 9 2 1 U 9 8 5 6 W 9 0 0 0 3 5 3 R 111 2 W 8 9 1 4 W 9 0 0 0 3 6 3 R 1 1 2 2 W 5 1 5 4 W 9 0 0...

Страница 269: ...2 9K 6B U 5 5 5 B IE 4E C R 381 5C 8 A R 3 3 9 5 J 4D R 4 33 9K 7B U 5 55 C 3E 4E C R 3 9 3 7F 6C R 3 4 0 4 J 3D R 4 3 4 9K 7B U 5 5 5 D 3E 4E C R 3 9 9 7F 5C R 3 4 2 3F 3D R 4 35 9K 7B U 5 6 5 B 3F 2H C R 4 1 4 8 J 6B R 3 4 3 3G 4D R 4 4 6 7 M 6C U 5 6 5 C 2F 2H C R 4 1 5 9 J 6B R 3 4 4 5 J 4 D R 4 5 2 8K 6C U 5 6 5 D 4F 2H C R 5 5 6 2D 4E R 3 4 6 6 J 4D R 4 53 7 L 6C R 3 4 7 6J 4 D R 4 5 4 8 M 6...

Страница 270: ...B 3F W 9 0 0 0 2 0 8 M 4C W 9 0 0 0 3 8 6C 4E J 9 2 5 0 2 2B 3D S 3 9 2 6B 3E W 9 0 0 0 2 2 8 M 4C W 9 0 0 0 3 9 4C 4F P artial A 3 also sh ow n on diagram s J 2 4 5 6 7 and 14 A S S E M B L Y A 4 C IR CU IT S C H E M B O A R D C IR CU IT S C H E M B O A R D C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D N U M B E R LO C A T IO N LO C A T IO N N U M B E R LO C A T IO N LO C A T IO...

Страница 271: ...1 2 3 4 5 6 7 8 9 lO P2SO O U1 A TRIGGER V T O W2500 5 A 223 R E V A P R W G ...

Страница 272: ... R 7 3 8 6 C 7 1 2 5 Q 7 0 1 4 R 7 4 0 6 C 7 1 3 5 Q 7 0 4 4 R 741 6 C 7 1 4 5 Q 7 0 4 4 R 7 4 2 6 C 7 1 5 4 Q 7 0 6 4 R 7 43 6 C 7 2 0 4 Q 7 0 9 5 R 7 4 5 6 C 7 2 2 4 Q 7 1 0 5 R 7 4 7 6 C 7 2 4 6 Q 7 1 0 5 R 748 6 C 7 2 8 6 Q 7 1 2 5 R 7 4 9 6 C 7 4 9 6 Q 7 3 2 6 R 7 5 0 6 C 7 5 0 6 Q 7 3 7 6 R 751 6 C 751 6 Q 7 4 2 6 R 7 5 2 6 C 7 5 2 6 R701 4 R 7 5 3 6 C 7 5 5 6 R 7 0 2 4 R 7 5 4 6 C R 7 3 2 6...

Страница 273: ...N D D C H O R IZO NTAL MODE A TRIG GER LE V EL A TRIG G ER M ode A SOURCE AAB I NT CH 1 IN P U T S IG N A L CH 1 IV DC A M id r a n g e P P AUTO IN T CH 1 1 k H z s i n e w a v e 4 V P P o o 0 0 0 0 A GATE j m n j T j m j m n j u T T A RETRACE HOLDOFF GATE I HOLDOFF 4 4 V 3 4 V i 5V H I INTEN 6V LO INTEN 12V 0 6 V SET CH 1 AC GND DC TO GND 1 __________ END OF AUTO TIME OUT H L 4206 97 4204 50 ...

Страница 274: ...ial A1 also sh ow n on diagram s 2 3 5 6 7 and 14 A S S E M B L Y A 3 CIR C U IT S C H E M B O A R D CIR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D N U M B E R L O C A T IO N LO C A T IO N N U M B E R LO C A T IO N L O C A T IO N N U M B E R LO C A T IO N LO C A T IO N D S 5 1 8 9L 2E S 4 0 1 A 5 A 2E W 9 0 0 0 17 9B 4C S 4 0 1 B 8 A 2E W 9 0 0 0 2 4 8B 4C J 9 2 5 0 4 4B 3E S 4 0 1...

Страница 275: ......

Страница 276: ...2236 Service A B 662 me eia es S M S i i 1 0 e s s e a e F ig u re 9 16 A 5 A ltn S w eep L o g ic b o a rd 4204 40A REV APR 1986 ...

Страница 277: ...b o t h HORIZONTAL MODE A S E C D IV B S E C D IV B DELAY TIM E P O S ITIO N B TRIGGER LEVEL A TRIGGER Mode A B I NT A SOURCE CH 1 INPUT SIGNAL CH 1 5mV DC ALT 5 0 p s 5 p s 5 0 CV RUN AFTER DELAY P P AUTO CH 1 I NT 5 d iv 1 K H z s in e w ave Q O HI FOR B SWEEP L 1 H L L H H HI IN A OR B LO IN ALT SET B TRIGGER LEVEL TO MIDRANGE i n n n n n L 4 20 6 9 4 4204 51 ...

Страница 278: ... 0 5 W 9 4 0 1 2 7 5 Q 6 2 0 5 R 6 6 0 5 U 6 7 0 5 W 9 4 0 1 2 5 Q 6 3 0 5 R661 5 U 6 8 0 5 W 9 4 0 1 3 5 Q 63 1 5 R 6 6 2 5 U 6 8 0 5 W 9 4 0 1 4 5 Q 6 3 7 5 R 6 6 3 5 U 6 8 0 5 W 9 4 0 1 5 5 Q 6 4 3 5 R 6 6 4 5 U 6 8 0 5 W 9 4 0 1 6 5 Q 6 8 0 5 R 6 6 5 5 V R 6 2 4 5 W 9 4 0 1 7 5 Q 6 8 5 5 R 6 6 6 5 V R 6 6 0 5 W 9 4 0 1 8 5 R 6 0 4 5 R 6 6 7 5 W 6 3 7 5 W 9 4 0 1 9 5 R 6 0 5 5 R 6 7 0 5 W 6 3 8...

Страница 279: ...R 6 23 8 J 2 A U 6 0 5 B 9J 3 A W 6 9 6 7N ID C 6 9 0 4H 3B R 6 2 4 3G 1A U 6 0 5 C 8G 3 A W 6 9 8 7N I B C 6 9 3 4G IE R 6 2 5 8 J 2A U 6 0 5 D 8H 3 A W 9 4 0 1 1 0 2 G 4B C 6 9 4 4H IB R 6 2 6 7 K 1A U 6 0 5 E 9H 3 A W 9 4 0 M 1 2S 4B R 6 2 7 8 J 1A U 6 0 5 F 8H 3 A W 9 4 0 1 1 2 2G 4C C R 6 8 0 5P 2C R 629 9N 2A U 6 2 5 A 8K 2A W 9 4 0 1 1 3 1 G 4C C R 6 8 5 4P 2C R 6 3 0 7 L 1A U 6 2 5 B 8K 2A...

Страница 280: ......

Страница 281: ... h GND HORIZONTAL MODE A A TRIGGER Mode P P AUTO AC Waveforms AC GND OC b o t h GND HORIZONTAL MODE A X10 M a g n if ie r O f f K n o b i n VAR HOLDOFF M IN f u l l y c o w A TRIGGER Mode P P AUTO 12V 7V 5 95V 5 85V j n _ n _ r L _ n L 4206 95 4204 2 ...

Страница 282: ... IO N LO C A T IO N N U M B E R LO C A T IO N LO C A T IO N C 9 8 7 2B ID R 7 2 6 3B ID U 9 8 5 2C I D R 9 8 5 2B ID C R 9 8 8 2C ID R 9 8 6 1C ID W 9 9 0 0 2D 1A C R 9 8 9 2D ID R 9 87 2C ID W 9 0 0 0 2 1 3B 4C R 9 8 8 2C I D J 9 2 5 0 1 3E 3D R 9 89 2 D 2 D R 9 9 0 2D IB P artial A 3 also sh ow n on diagram s 1 2 3 4 5 7 a nd 14 A S S E M B L Y A 4 C IR C U IT S C H E M B O A R D CIR C U IT S C ...

Страница 283: ...NENT NUMBER EXAMPLE s A1 P A R T I A L M A IN B O A R d NUMERAL AND LETTER AT SIGNAL LINES TO OR FROM OTHER DIAGRAMS INDICATES THE GRID COORDINATES ON ANOTHER SCHEMATIC FOR EXAMPLE 4E Component Number A23 A2 R1234 Scftenwftc AssemW l onart Number Subassembly Number Numbei il usedI Chassis mountedcomponentshavenoAssembly Number prelii see end of Replaceable Electrical Parts List 4 20 4 12 R V SEP P...

Страница 284: ...er board A 6 FILTER BOARD C IR C U IT N U M B E R S C H E M N U M B E R CIR C U IT N U M B E R S C H E M N U M B E R C 9 0 0 7 T 9 0 1 7 C 9 0 2 7 T 9 0 3 7 C 9 0 3 7 V R 901 7 R 9 0 0 7 W 9 0 1 1 7 R 901 7 W 9 0 4 1 7 R 9 0 3 7 W 9 0 9 1 7 RT901 7 W 9 1 9 1 7 ...

Страница 285: ...A 6 F IL T E R B O A R D lo c a te d u n d e r H V S h ie ld ...

Страница 286: ...n o te d a d ja c e n t to th e v o lt a g e P o w e r s u p p ly o u t p u t v o lt a g e s a r e r e f e r e n c e d t o c h a s s is g r o u n d PROBE GROUNO LEAD ON TP940 150mV PROBE GROUND LEAD ON TP940 100m V 2236 CONTROL SETTINGS AC Waveforms VER TIC AL MODE CH 1 V O L T S D IV AC GND DC HORIZONTAL MODE A S E C D IV B S E C D IV B DELAY TIM E P O S ITIO N B TRIGGER LEVEL A TRIGGER Mode A4B ...

Страница 287: ... 0 0 2 9 N 6F R 8 7 0 4 S 1H T P 8 4 2 3J 3J C 9 4 2 9D 8H P 2 7 0 0 3 9N 6F R871 4 S 1 H T P 9 0 0 9 L 8E C 9 4 3 9C 8H P 9 8 0 2 1 3B 4 B R 8 7 2 5S 1H T P 9 4 0 9D 8 J C 9 4 4 9F 7H P 9 8 0 2 2 3B 4 B R 8 7 3 4 S 1G T P 9 5 0 9C 7H C 9 4 5 9F 8 J P 9 8 0 2 3 2B 4B R 8 7 4 6S 1G C 9 5 4 6 K 6F P 9 8 0 2 4 3 B 4 B R 8 7 5 6S 1G U 9 3 0 9G 7J C 9 5 6 7 K 6F P 9 8 0 2 5 2 B 4 B R 8 7 7 7S 1H U 9 7 ...

Страница 288: ... 9 1 5A 1C RT901 5B IB V R 9 01 5B 1C W 9 1 9 1 5C IB R 9 0 0 5C IB CHASSIS MOUNTED PARTS C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D C IR C U IT S C H E M B O A R D N U M B E R L O C A T IO N L O C A T IO N N U M B E R L O C A T IO N L O C A T IO N N U M B E R L O C A T IO N LO C A T IO N N U M B E R L O C A T IO N LO C A T IO N B 9 9 6 5 9N C H...

Страница 289: ...1 2 3 4 5 6 7 8 9 NUMERAL AND LETTER AT SIGNAL UNES TO OR FROM OTHER DIAGRAMS INDICATES THE GRID COORDINATES ON ANOTHER SCHEMATIC FOR EXAMPLE 4E SUPPLY Z AXIS 4 204 13 REV 56 P 2236 ...

Страница 290: ... 9 2 8 8 R 1 9 8 4 8 C 1 9 1 2 8 P I 9 21 8 R 1 9 2 9 8 R T 1 9 1 5 8 C 1 9 1 3 8 P I 9 2 2 8 R 1 9 3 0 8 U 1 9 0 0 8 C 1 9 1 4 8 P I 9 2 3 8 R 1 93 1 8 U 1 9 0 0 8 C 1 9 1 5 8 P I 9 2 4 8 R 1 9 3 2 8 U 1 9 0 0 8 C l 9 1 6 8 P I 9 2 5 8 R 1 9 3 3 8 U 1 9 0 0 8 C l 9 1 7 8 Q 1 9 0 1 8 R 1 9 3 4 8 U 1 9 0 1 8 C 1 9 1 8 8 Q 1 9 0 2 8 R 1 9 3 5 8 U 1 9 0 2 8 C 1 9 1 9 8 Q 1 9 0 3 8 R 1 9 3 6 8 U 1 9 0...

Страница 291: ...U 1 9 0 0 A 2K 2C C 1 9 1 7 2 M 2 B P I 9 2 5 9S 3E R 1 9 3 2 3 L 2B U 1 9 0 0 B 2 M 2C C 1 9 1 8 7B IF R 1 9 3 3 1J 2C U 1 9 0 0 C 5 M 2C C 1 91 9 8P 4F Q 1 9 0 1 9 P 4E R 1 9 3 4 1J 2B U 1 9 0 0 D 2H 2C C l 9 7 0 3C 3E Q 1 9 0 2 9P 4E R 1 9 3 5 4 F 2E U 1 9 0 1 4B 4C C 1 9 7 5 8N 3F Q 1 9 0 3 9 P 3E R 1 9 3 6 7B IE U 1 9 0 2 4 D 3C C l 9 7 6 8 M 2F Q 1 9 0 4 9P 3E R 1 9 3 7 7B IE U 1 9 0 3 2D 3 ...

Страница 292: ...B T L 0 7 4 PRE OUT C O M PTR IM P R 1 9 4 I 2 K C I9 M 0 0 3 3 1 U I9 0 7 C C D 4 0 S 3 U I 9 0 7 B C D 4 0 5 3 H v IC I4 I5 o T T ___ _ U I9 0 4 N E 5 S S RESET OUTPUTl C 9 6 a o 4 7 MI s DtSCH T H R E S H O L D C R I9 O 0 P SE L X T R 1 9 4 5 IO K SEE PARTS LIST FOB EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS OUTLINED OP DEPICTED SN OBEY 6 M U I 9 0 0 C T L Q 7 4 R I 9 I 3 5 6 K R 8 3 Z4K ...

Страница 293: ...ltim e te r b o a rd SN B 014070 A b o ve 4204 76 REV FEB 1986 Static Sensitive D evices See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number A23 A2 R1234 A ssem b ly _ j i I N u m b er S ch em a tic C ircu it S u U is c m b ly N m bei N u m b er ifu sed Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List ...

Страница 294: ... E 9 V R 1811 9 C l 6 06 10 P I 4 04 12 R 1 03 2 10 R 1 5 2 0 13 1 8 0 2 9 C 1 6 1 0 10 R 1 0 3 3 10 R 1521 13 W 1 1 0 0 14 C 1611 10 Q 1001 10 R 1 03 4 10 R 1 52 2 13 T1801 9 w i i o i 14 C l 660 10 Q 1 0 0 2 10 R 1 03 5 10 R 1 5 2 3 13 W 1 3 0 0 10 C 1 6 8 0 10 Q 1 0 0 3 10 R 1 0 5 0 10 R 1 52 4 13 T P 1 0 0 0 13 W 1301 10 C l 801 9 Q 1 0 0 4 10 R 1 1 0 0 11 R 1 52 5 13 T P 1 5 0 0 13 W 1 4 0 0 ...

Страница 295: ... B I C I D I E I F l G l H i J 4 2 0 4 4 2 C A 1 4 H ot S ignal S w itch b o ard f These components are located on the reverse side of the circuit board Fig 9 20 A 1 0 C o u n te r T im e r M u ltim e te r b o a rd SN B014069 B elow ...

Страница 296: ...3C S I 8 0 1 A 9 7A V R 1601 10 6G C l 6 06 10 5G P I 2 0 0 11 4G R 1 0 2 9 10 7G R 1 5 1 7 13 3C S I 8 0 1 B 9 7A V R 1801 9 8D C 1 6 1 0 10 6 F P I 4 0 0 12 2D R 1 0 3 0 10 7 F R 1 5 1 8 13 3C S I 8 0 1 C 9 7 A V R 1 8 0 2 9 8D C l 611 10 6G P I 4 0 2 12 1G R1031 10 7G R 1 51 9 13 3 C S I 8 0 1 D 9 7 A V R 1 8 1 0 9 8C C l 660 10 5F P I 4 04 12 1H R 1 03 2 10 7G R 1 52 0 13 4E S I 8 0 1 E 9 6A V...

Страница 297: ... 6C R 1 8 0 5 2D 6B V R 1 8 0 1 4 L 8D C R 1 8 0 3 9K 6B R 1 8 0 7 3 L 7D V R 1 8 0 2 4 L 8D C R 1 8 0 4 9K 6C R 1 8 0 9 3K 8C V R 1 8 1 0 4 P 8C C R 1 8 0 5 4 L 7 D R 1 8 1 0 3K 8C V R 1 8 1 1 4P 8C C R 1 8 0 6 4L 7D R 1 8 1 2 4 L 8D C R 1 8 1 0 3 M 8 D R 1 8 1 3 3 M 8D W 1 801 5B 8 A R 1 8 1 4 4N 8 D W 1 8 0 2 4B 8 B J 1 9 0 0 9S 6 8 R 1 8 1 5 3P 8 D W 1 8 2 4 9H 5B J 1 9 0 1 9 0 6 B R 1 8 1 6 3...

Страница 298: ...2236 CONTROL SETTINGS DC VOLTAGES 4 AC WAVEFORMS UPPER FUNCTIO NS LOWER FUNCTIONS IN F u n c t io n S e le c t DCV 3BV 3BV 4 6V 3 2V 4204 63 ...

Страница 299: ..._____________ l TL2______ I FROM PIS20 BS OHMS PROTECT DMM ISOLATION BARRIER _ x x __x __X x x x x x x x x x x x x x X x x x x x x r i S OV 1 V F OUT 0 1005 FROM PIH05 ZS 4 fBovAcl FROM P 2700 s G N D i C A C B X x X X X X X X n o t e w a v e f o r m s and vo lta g e s ta ken w it h s w it c h e s a s SHOWN AND NO INPUT SIGNAL APPLIED TO J18 0 2 4 J10OI N d A 14 HOT SIGNAL SWITCH BOARD AND A 10 PA...

Страница 300: ...5G C 1 6 1 1 3 J 6F R 1 0 0 9 6E 7F R 1 6 0 4 2F 8G U 1 6 0 1 IE 5G C l 6 6 0 2B 5G R 1 0 1 0 6E 7F R 1 6 0 5 2G 8J U 1 6 0 2 A 3D 5F C l 6 8 0 3J 6G R 1 0 1 2 5 J 8 G R 1 6 0 6 2H 8 J U 1 6 0 2 B 4D 5F C l 690 3B 6F R 1 0 1 3 5 L 8G R 1 6 0 7 2G 8 J U 1 6 0 3 8D 5F C 1 6 9 1 3S 6G R 1 0 1 4 6K 7G R 1 6 0 8 3G 8 J U 1 6 0 4 A 3J 6G C l 692 IB 6F R 1 0 1 5 6 L 7G R 1 6 0 9 4E 8 J U 1 6 0 4 B 2 M 6G...

Страница 301: ...0O4 10105 l i 6 8 UlOOS 4556B 16 8 13 14 15 UlOO fo 4048B 1 16 8 U1300 MC4044P 14 7 UI30 I64SP 1 14 2 4 6 7 8 4 11 13 U10O2 I013B 9 Ul3O0 7 1L S74 14 7 U16 00 74U573 4 1 1 UlfeOl 74USI53 16 1 8 15 U1602 74LS74 14 7 U1603 74L5IS3 16 a U1700 74US02 14 7 4 2 0 4 1 6 R EV A P R 1406 COUNTER FRONT E N D ...

Страница 302: ...e 2236 CONTROL SETTINGS DC VOLTAGES AC WAVEFORMS HORIZONTAL MODE A A TRIGGER MODE P P AUTO A SOURCE LINE UPPER FUNCTIONS LOWER FUNCTIONS IN F u n c t i o n S e l e c t TOTALIZE AA WVWV 4 7V 3 3V A A A A A 4204 65 ...

Страница 303: ... 2 8H 4 G U 1 0 0 6 E 2C 8 H P I 2 0 0 3 8H 4 G U 1 1 0 0 3 D 6 J U 1 1 0 1 A 8G 4 J Q 1 1 0 0 2E 6 J U 1 1 0 1 B 4G 4 J Q 1101 2F 6J U 1 1 0 2 A 1H 4H Q 1 1 02 3E 5J U 1 1 0 2 B 3H 4H Q 1 1 03 3F 5J U 1 1 0 3 4K 4H Q 1 2 0 0 6E 6 J U 1 1 0 4 1J 3 J Q 1 2 0 1 6F 6H U 1 1 0 5 1 L 3J Q 1 2 0 2 8E 5H U 1 1 0 6 1 M 3H Q 1 2 0 3 8F 5J U 1 1 0 7 IP 3G U 1 2 0 0 6 D 6 J R 1 1 0 0 2E 6 J U 1 2 0 1 A 6H 4 ...

Страница 304: ...g Qio Q il O il l EW iv EN v _ T v _ 3 CD7 3 CD 5 COt y 7 CD2 9 C 0 3 j U I2 Q IA 7 4 L S 3 9 3 Mft o CP Q3 U I 2 0 3 7 4 L S 3 6 7 55 MR P 3 Q i Qz 3 U I 2 C 1 B 74LS393 P I 2 0 0 ____ N O R M I I cd E NIv ENzV 4 3 CDtfy N 5 CDI y 7 CD2 N 9 CV3y It CD4X r _ 13 CDSJ U I 2 0 4 74L S 367 IE N z v U I 2 0 2 40408 5 0V TRESET TO UIG02 I 3D g Qi 5 q 7 5z c t 5 Cg Og Q o On Qiz 35 01 S o li CD6 13 CP7 3...

Страница 305: ...2236 CONTROL SETTINGS DC VOLTAGES 4 AC WAVEFORMS HORIZONTAL MODE A A TRICGER MODE P P AUTO A SOURCE L IN E UPPER FUNCTIO NS LOWER FUNCTIONS IN F u n c t io n S e le c t TO TA LIZE 5V 0V Q 5V 0V Q ...

Страница 306: ...1 4G 1H R 1 4 0 8 3F 2H U 1 4 1 0 B 5D IE P I 4 0 4 2 4G 1H U 1 41 1 5D IE P I 4 0 4 3 4G 1H S I 400 7F 3G W 1 4 0 0 A 6P 2G Q 1 4 0 0 4C 2 D U 1 4 0 0 IF 2H W 1 4 0 0 B 7P 2G Q 14 0 1 4D 2E U 1 4 0 1 3P 2H W 1 4 0 1 W 4P 2G U 1 4 0 2 5P 2 G W 1 4 0 1 X 4P 2G R 1 4 0 0 4C ID U 1 4 0 3 A 6E 2F W 1 4 0 2 6E 1H R 1401 4C I D U 1 4 0 3 B 4E 2F W 1 4 0 2 Y 3P 2G R 1 4 0 2 4C I D U 1 4 0 3 C 6 M 2F W 1 ...

Страница 307: ...1 2 3 4 5 6 7 8 9 A ______T B _____T C T D _ j ____ E T ______F T G T ____H___ T_____ J f_____ K T L T M T N ____T ____P _____T ____ S 4 2C H IB R E V F B CPU SYSTEM 1 2 ...

Страница 308: ... 2 0 0 0 7 3 M 5 A Q 1 5 0 2 2 K 3 C R 1 5 1 8 3 K 3 C W 2 0 0 0 8 3 L 5 A Q 1 5 0 3 3 K 3 C R 1 5 1 9 3 K 3 C W 2 0 0 0 9 3 L 5 A Q 1 5 0 4 1 H 4 C R 1 5 2 0 5 C 4 E W 2 0 5 0 1 3 S 5 A Q 1 5 0 5 2 J 4 C R 1 5 2 1 9 J 5 D W 2 0 5 0 2 3 S 5 A Q 1 5 0 6 2 J 4 C R 1 5 2 2 9 H 5 D W 2 0 5 0 3 3 S 5 A Q 1 5 0 7 2 H 4 C R 1 5 2 3 9 K 5E W 2 0 5 0 4 3 P 5 A Q 1 8 0 9 9 L 5 C R 1 5 2 4 5 C 4 E W 2 0 5 0 ...

Страница 309: ...k 6 3 0 QI502 J QI50I ___7P R IS H i OK R i5 i8 VL3f 4 7 K P 2 0 0 C L T W 2 o a o L _ h 5 5 _______ 04 Fa F2 U I5 0 7 D D T U I 5 0 S 6 1 1 8 NOTE WAVEFORMS TAKEN IN DCV MODE T O T O D IS0 TO U10 0 5 2 6F ISI TO U10 0 5 3 6P WIDTH TO UIOOfe 5 4 K ENABLE TO UIOOfc 1 1J TRESET TO U I1 0 0 2 4C DMODE0 TO U1106 14 1 0 DMODEI TO UIGOI 2 IE BARM TO U 1 0 0 5 1 6FJ OPTOEDATA TO U1804 2 8 h OPT0ECLK TO U...

Страница 310: ... W 9 4 0 0 3 6P 6E P 2 4 0 0 3 7C 8D W 9 6 1 8D 8F W 9 7 0 0 8 2P 7E P 2 4 0 0 4 4C 8 D W 9 6 4 3 D 3 H W 9 7 0 5 1 3P 5E P 2 4 0 0 5 5C 8D W 9 6 5 3D 3H W 9 7 0 5 4 3P 5E W 9 6 8 6E 8F W 9 7 0 5 6 4P 5E R 2 20 4H 2D W 9 7 1 4E 7E W 9 7 0 5 7 3P 5E R451 9F 6D W 9 7 2 4E 6E W 9 7 0 5 8 2P 5E R 4 9 4 4F 5E W 9 7 4 4 J 3H W 9 9 9 1 1 8P 5E R 4 99 8F 5E W 9 7 5 4 K 3H W 9 9 9 1 2 9P 5E R 7 9 6 8K 2G W...

Страница 311: ...1 2 3 4 5 6 7 8 9 A I B L c T D T E t F ___ ____G____ ___ H___ j ____ J _j K j_ I ____i_ i___ N _ _ j___ P j S ...

Страница 312: ...Figure 9 22 Partial A l l Counter Timer Multimeter board with Option 14 These components are located on the reverse side of the circuit board TEST WAVEFORM FOR OPTION 14 4V 0V 4204 68 ...

Страница 313: ...2236 Service T O U I 3 0 0 4 8 K T O UI300 II S K 0 2 2 3 6 Z Z O A Z 2 OPTION IA ...

Страница 314: ...7 4 R 8 7 0 C 7 8 5 5 n s T IM IN G C 7 7 5 5 n s T IM IN G R 851 G R ID B IA S W 9 5 6 3 0 V W 9 5 4 100V W 9 6 0 8 6 V W 9 6 8 5 2 V T P 961 8 6 V R 9 3 8 8 6 V A D J A 1 M A IN B O A R D A D JU S T M E N T L O C A T IO N S 4 2 0 4 0 1 ...

Страница 315: ...4 7 C H 1 R IO R 2 6 R 2 5 C 2 6 C H 1 M F L F C H 1 C H 1 CH 1 2 m V G A IN STEP 2 m V V A R P E A K B A L B A L G A IN B A L C O M P C 61 C 6 2 C 5 3 R 9 7 R 7 6 C 7 6 R 8 3 C H 2 1 0 X C H 2 C H 2 C H 2 C H 2 C H 2 C H 2 IN P U T C 1 0 X LF M F L F M F L F 2 m V 2 m V 2 5 m V C O M P C O M P G A IN G A IN P EA K D C B A L C O M P B A L 4 2 0 4 0 2 A 2 A T T E N U A T O R B O A R D A D JU S T M ...

Страница 316: ...E D T IM IN G A 4 T IM IN G B O A R D A D JU S T M E N T LO C A T IO N S R 6 5 2 D E L A Y E N D C H 1 V O LT S C A L 5 0 V C O M P A 12 M U L T IM E T E R C O N T R O L B O A R D A D JU S T M E N T L O C A T IO N S A 5 A L T N SW EEP L O G IC B O A R D A D JU S T M E N T L O C A T IO N S ...

Страница 317: ...A 10 C O U N T E R T IM E R M U L T IM E T E R B O A R D A D J U S T M E N T LO C A T IO N S ...

Страница 318: ...M id r a n g e M id r a n g e CH 1 0 1 V C a l d e t e n t GND M id r a n g e A 0 1 m s C a l d e t e n t O f f k n o b i n P P AUTO VERT MODE I NT 2 V e r i f y t h e l o w v o l t a g e p o w e r s u p p l i e s a t t h e f o l l o w i n g t e s t p o i n t s SUPPLY TEST POINT TOLERANCE 5 0V W968 4 85 to 5 15V 8 6V W960 8 43 to 8 77V 8 6V TP961 8 56 to 8 64V 30V W956 29 1 to 30 9V 100V W954 97 t...

Страница 319: ...2236 Service TROUBLESHOOTING GUIDE 4206 99 4204 69A ...

Страница 320: ...r C o m p o n e n t A tta c h in g parts lo r A s s e m b ly a n d o r C o m p o n e n t END ATTACHING PARTS D etail Part o f A s s e m b ly a n d o r C o m p o n e n t A tta c h in g parts fo r D etail Part END ATTACHING PARTS Parts o f D etail Part A tta c h in g p arts fo r Parts o f D etail Part END ATTACHING PARTS A tta c h in g P a rts a lw a y s a p p e a r in th e s a m e in d e n ta tio n...

Страница 321: ...SMANN MFG CO 114 OLD STATE RO ST LOUIS M 63178 MCGRAN EDISION CO PO BOX 14460 73743 FISCHER SPECIAL MFG CO 446 MRGON ST CINCINNATI OH 45206 75272 KMC STAMPING OIV OF KICKHOEFER MFG CO 1219 S PORT ST PORT H0SHIN6T0N HI 53074 78189 IL L IM IS TOOL MRKS INC SHAKEPROOF DIVISION ST CHARLES ROOO ELGIN IL 60120 80009 TEKTRONIX INC 4900 S N GRIFFITH OR P 0 BOX 500 BEAVERTON OR 97077 83385 MICROOOT MANUFAC...

Страница 322: ...712 00 END ATTACHING PORTS 4 213 0882 00 1 SCREH TPG TR 6 32 X 0 437 TOPTITE PNH STL 83385 OROER BY OESCR 5 253 0192 00 8010100 B013529 OR TOPE PRESS SENS POLY SP0NGE 0 375 X 0 062 80009 253 0192 00 390 0790 05 1 CABINET SCOPE 80009 390 0790 05 6 334 4714 01 1 MARKER I0ENT MK0 HANDLE TOG 80009 334 4714 01 7 367 0289 00 1 HANDLE CARRYING 1 3 8 5 5 SST 80009 367 0289 00 ATTACHING PORTS 8 212 0144 00...

Страница 323: ...9 ...

Страница 324: ...2 REV APR 1986 ...

Страница 325: ...2236 SERVICE ...

Страница 326: ......

Страница 327: ...02 366 1840 03 8013960 B019815 1 KNOB GY TIME DIV 0 12710 X 0 85500 X 0 844H 80009 366 1840 03 366 1840 04 B019816 1 KN08 GY TINE DIV 0 12710 X 0 85500 X 0 844H 80009 366 1840 04 213 0153 00 0019816 2 SETSCREH 5 40 X 0 1 2 5 STL TK0392 OROER BY OESCR 18 366 1850 00 1 KNOBrCLEOR 0 2 5 2 ID X 1 2 00 X 0 383 H 80009 366 1850 00 19 366 2013 00 9 PUSH BUTTON DIRTY GRAY 0 134 SO X 0 480 H 80009 366 2013...

Страница 328: ...ER BY OESCR 210 0802 00 B010100 1 MOSHER FLAT 0 15 ID X 0 3 12 00 X 0 032 S TL 12327 ORDER BY DESCR 49 346 0121 00 OR STROP TIED0MN E 6 125 L NYLON 06383 PLC1 5I S8 ATTACHING PORTS 50 213 0882 00 2 SCREM TPG TR 6 32 X 0 4 37 TOPTITE PNH STL 83385 OROER BY OESCR END OTTOCHING PORTS 51 346 0128 00 1 STRAP TIED0MN E 8 0 L X 0 1 M NYlJON 80009 346 0128 00 52 136 0202 08 B010100 B015570 1 SKT PL IN ELE...

Страница 329: ...CR OSSEN NSHR 4 40 X 0 75 PNH STL TORX DR 01536 OROER BY OESCR 81 210 0586 00 1 NUT PL OSSEM NA 4 40 X 0 25 S TL CO PL 78189 211 041800 00 82 342 0582 00 1 INSULATOR PLATE TRANSISTOR CERAMIC 80009 342 0582 00 83 343 1025 00 1 RETAINER XSTR 80009 343 1025 00 84 211 0691 00 1 SCREN MACHINE 6 32 X 0 625 PNH STL 93907 OROER BY OESCR 85 210 0408 00 1 NUT PLAIN HEX 6 32 X 0 312 BRS CO PL 73743 3040 402 ...

Страница 330: ... BRS 80009 131 0592 00 20 1 CKT BOARD ASSY COUNTER TIMER MULTINETER SEE 010 REPL 21 343 1098 00 1 RETAINER CKT BD PLASTIC 80009 343 1098 00 ATTACHING PARTS 213 0925 00 8010100 8017999 1 SCREW TPG TR 4 40 X 0 25 TYPE TT PNH STL 80009 213 0925 00 211 0304 00 B018000 1 SCR ASSEM NSHR 4 40 X 0 312 PNH STL T9 01536 ORDER BY OESCR ENO ATTACHING PORTS 22 124 0321 00 1 STRIP GROUND CIRCUIT BOARO 6 TAB 800...

Страница 331: ... C o d e M fr P a rt N o 211 0325 00 B017669 B019965 211 0304 00 B019966 213 0924 00 B010100 B017668 211 0303 00 B017669 3 SCR ASSEM HSHR 4 40 X 0 25 PNH STl T0RX T9 01536 0R0ER BY DESCR 3 SCR ASSEM MSHR 4 40 X 0 312 PNH STL T9 01536 0R0ER BY 0ESCR 3 SCREW TP0 TR 4 4 0 X 0 2 5 TYPE TT FLH 80009 213 0924 00 3 SCREH MACHINE 4 40 X 0 25 FLH 100 DEG STL 93907 0R0ER BY 0ESCR MOUNTED THRU REAR CHASSIS 4...

Страница 332: ......

Страница 333: ...2236 SERVICE ...

Страница 334: ...2 4 2 1 ...

Страница 335: ...SET ELEC PONER FET 80009 198 4819 00 343 0007 00 1 CLAMP L00P 0 625 ID PLOSTIC 06915 E10 CLEAR ROUNO 195 0970 00 1 LEAD ELECTRICAL 26 ANG 3 0 L 0 N 80009 195 0970 00 211 0304 00 6010100 8014885 1 SCR ASSEM NSHR 4 40 X 0 312 PNH STL T9 01536 OROER BY OESCR 211 0305 00 8014886 1 SCR OSSEM NSHR 4 40 X 0 437 PNH STL C0 PL 01536 OROER BY OESCR 20 346 0196 00 2 STROP GROUND OTTEN 3 0 X 0 7 5 BRONZE 8000...

Страница 336: ...TS 80009 343 1020 00 42 211 0325 00 4 SCR 0SSEM NSHR 4 40 X 0 25 PNH STL T0RX T9 EN0 0TT0CHING PORTS 01536 ORDER BY DESCR 43 361 1193 00 2 SP0CER SLEEVE 0 555 L X 0 1 3 ID BRS 80009 361 1193 00 44 131 1758 11 131 1758 12 2 2 CONT ASSY ELEC B CONTACTS COMT OSSY ELEC 8 CONTACTS 80009 80009 131 1758 11 131 1758 12 45 46 129 0986 00 1 1 SP0CER P0ST 0 966 L 4 4 0 BOTH ENOS OL CKT BOORO OSSY TIMING SEE ...

Страница 337: ... 0535 01 1 POUCH ACCESSORY EXPONOED POLYESTER 80009 016 0535 01 8 386 4674 00 1 PLATE MOUNTING ACCESSORY POUCH ALUMINUM 80009 386 4674 00 9 159 0041 00 1 FUSE C0RTRI0GE 30G 1 2 5 0 250V 20SEC 71400 MSL 1 1 4 STONOORO ACCESSORY 10 013 0191 00 1 TIP PROBE H OCTUOTOR 80009 013 0191 00 016 0015 00 1 ROCK ODPTR KIT 80009 016 0015 00 010 6602 00 1 PROBE TEMP P6602 6 4 0 L 230 DEG C 80009 010 6602 00 016...

Страница 338: ......

Страница 339: ...to printing and shipping requirements we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Since the change information sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your...

Страница 340: ...RIPTION Product Group 46 EFFECTIVE SERIAL NUMBER B022920 REPLACEABLE ELECTRICAL PARTS LIST CHANGES Add the following parts noting the appropriate serial numbers A1W9778 195 7065 00 B010100 A1W9778 195 7064 00 B022920 B022919 LEAD ELECTRICAL 22 AWG 1 5 L 9 2 LEAD ELECTRICAL 22 AWG 2 25 L 9 A1W9788 195 7064 00 LEAD ELECTRICAL 22 AWG 2 25 L 9 Page 1 of 1 ...

Страница 341: ...VE SERIAL NUMBER B023785 REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE TO A1C799 285 1341 01 A1C847 285 1341 01 A1C849 285 1341 01 A1C851 285 1341 01 A1C871 285 1341 01 A1C941 285 1341 01 CAP FXD MTLZD 0 1UF 20 100VDC CAP FXD MTLZD 0 1UF 20 100VDC CAP FXD MTLZD 0 1UF 20 100VDC CAP FXD MTLZD 0 1UF 20 100VDC CAP FXD MTLZD 0 1UF 20 100VDC CAP FXD MTLZD 0 1UF 20 100VDC Page 1 of 1 ...

Страница 342: ...70 4204 00 T e k tr o n ix MANUAL change information committed TOexcellence Date 1 26 87 Change Refp rp ncp M61549 DESCRIPTION Product Group 46 EFFECTIVE SERIAL NUMBER B023850 REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE TO A1C210 283 0853 00 CAP FXD CER Dl 2 2PF 200V Page 1 of 1 ...

Страница 343: ...W9991 175 6141 01 175 6137 01 175 6139 01 B024000 B024000 B024000 CA ASSY SP ELEC 4 7 5 L FLEX STRIP CA ASSY SP ELEC 8 6 25 L FLEX STRIP CA ASSY SP ELEC 3 4 25 L FLEX STRIP A10W2000 A10W2050 175 6644 01 175 6643 01 B023850 B023850 CA ASSY SP ELEC 10 3 25 L FLEX STRIP CA ASSY SP ELEC 9 3 25 L FLEX STRIP CHASSIS PARTS R9802 311 2177 03 B023880 RES VAR NONWW PNL 10K OHM 20 0 5W W MOUNTING PLATE CABLE...

Страница 344: ...r VR901 and R900 are switched to prevent excess stress to VR901 2 th e values of R945 and R949 are changed to ensure the power supply shuts down if Q 939 the inverter transistors or the 8 6 V 8 6 V or 5V supplies are shorted 3 A diode resistor network is added between the emitters of Q 9 4 6 Q 9 4 and the gate of Q935 to ensure power supply shutdown if an overvoltage occurs NOTE If the instrument ...

Страница 345: ...y by wearing a wrist strap while handling these components Servicing static sensitive assemblies or components should be performed only at a static free work station by qualified service personnel 4 Nothing capable of generating or holding a static charge should be allowed on the work station surface 5 Keep the component leads shorted together whenever possible 6 Pick up components by the body nev...

Страница 346: ...75fi 5 2W Resistor txd film 2 2 k n 5 0 25W Label 050 kit A1Q935 A1Q 946 A1Q947 and A1Q9070 are designated A 18Q 935 A10Q940 A10Q942 and A18Q 933 respectively in 2213 and 2215 instruments INSTALLATION INSTRUCTIONS THE FOLLOWING INSTRUCTIONS ARE DIVIDED INTO TWO SECTIONS SECTION A applies to 2213 and 2215 instruments SECTION B applies to 2213A 2215A 2235 and 2236 instruments SECTION A 2 2 1 3 and 2...

Страница 347: ...ircuit board assembly as follows a Remove the two screws used to secure the Preregulator circuit board mounting brackets o n e near the top center of the rear chassis and one on the right side near the rear corner of the c h a s s is b Remove the securing screw that is acccessible through the hole in the plastic shield located on top of the Preregulator circuit board c Disconnect the four wire con...

Страница 348: ... cabinet i 2 Remove the screw used to secure the plastic power supply shield to the solder side of the Main circuit board and set the shield aside 3 For 2236 instruments only iift the CTM circuit board up to the service position and secure the board latch into the chassis side rail 4 Remove the metal power supply shield from the component side of the Main circuit board as follows a Remove the scre...

Страница 349: ...rk shown in Fig 1 is not present 10 Install the diode resistor network included in this kit as shown in Fig 1 Connect the cathode lead to the lead of R935 that is closest to the rear of the instrument Connect the resistor lead of the new network to the lead of R949 that is nearest the front of the instrument Ensure both leads of the new network make a solid m echanical connection by installing the...

Страница 350: ...le Electrical Parts list and the Power Supply Z Axis CRT schem atic in the Instruction Manual with the information provided in the parts list of this kit JLG Fig 1 Location of new diode resistor network 0 5 0 2 2 4 2 0 3 page 7 ...

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