Tektronix TAS 455 Service Manual Download Page 6

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Table of Contents

Contents

Theory of Operation

Circuit Description

3Ć1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Logic Conventions

3Ć1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Module Interconnection

3Ć1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog Board

3Ć4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Processor System

3Ć4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Display Assembly

3Ć6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Front Panel

3Ć6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Power Supply

3Ć8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan

3Ć8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance Verification

General Instructions

4Ć1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using the Brief Performance Checks Procedures

4Ć1

. . . . . . . . . . .

Using the Performance Tests Procedures

4Ć1

. . . . . . . . . . . . . . . . . .

Conventions

4Ć2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Brief Performance Checks

4Ć3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PowerĆOn Self Tests

4Ć3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Functional Tests

4Ć3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Summary of Contents for TAS 455

Page 1: ...s B020099 and Below 070 8524 02 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer...

Page 2: ...2 33 3 15 4 9 2 5 15 4 3425 4 3 5 452 4 4 4 4 3 6 3 8 5 15 43 5 429 5 452 3 4 3 73 42 8 6 24 2 42 8 4 4 9 42 8 0 42 8 2 6 4 2 3 3425 43 5 452 2 42 8 9 84 2 6 23 543 4 4 4 4 3 2 33 47 4 0 4 4 9 4 5 429...

Page 3: ...LITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONI...

Page 4: ......

Page 5: ...iption 1 1 User Interface 1 2 Vertical System 1 3 Horizontal System 1 3 Trigger System 1 3 Measurement Cursors 1 3 Nominal Traits 1 5 Warranted Characteristics 1 9 Performance Conditions 1 9 Typical C...

Page 6: ...3 5 3 5 3 5 5 3 5 3 5 Display Assembly 3 6 5 4 5 5 Front Panel 3 6 1 5 5 5 0 5 1 5 Power Supply 3 8 Fan 3 8 Performance Verification General Instructions 4 1 Using the Brief Performance Checks Procedu...

Page 7: ...Check Dual Delay Accuracy 4 22 Trigger System Checks 4 24 Check Trigger Sensitivity 4 24 Video Trigger Sensitivity 4 28 Adjustment Adjustment Procedures 5 1 Requirements for Performance 5 1 Personnel...

Page 8: ...5 2 4 5 4 4 Removal and Installation Procedures 6 9 Preparation Please Read 6 9 0 4 4 3 4 Line Cord and Line Fuse 6 14 4 4 Front Panel Knobs and Shafts 6 15 0 4 4 4 4 Feet Rear Cover and Cabinet 6 17...

Page 9: ...Troubleshooting 6 41 Troubleshooting Procedure 6 41 Equipment 6 41 Symptom Matrix 6 42 Repackaging Information 6 51 Options Replaceable Electrical Parts List Diagrams Diagrams and Circuit Board Illust...

Page 10: ...vi...

Page 11: ...1 74 14 106 756 065 4 74 0 0 1 6 56 672 74 4 4 8 56 672 74 0 9 6 56 672 74 5 0 56 672 74 0 56 672 74 7 56 672 74 4 4 05 6 8 6 56 672 0 74 4 4 05 6 8 6 56 672 91 74 4 4 05 6 8 6 56 672 4 74 4 4 05 6 8...

Page 12: ...1 7 8 88 2 1 4 7439 3 1 88 2 1 7 7439 3 1 74 3 57 3 7 3 1 7 9 4 7 24 1 7 3 14 4 7 24 1 7 4 9 43 4 851 7 7 4 7 7 25148 43 1 24 1 7 3 4 39 24 1 7 3 3 3 4 39 24 1 7 7 7 0 9 3 74 3 7 7 24 1 7 24 3 9 7439...

Page 13: ...TAS 455 and TAS 465 Service Manual ix...

Page 14: ...x...

Page 15: ...45 4 35 5 0 45 33 5 3 5 3 45 4 4 45 33 5 3 5 3 45 4 3 3 45 33 5 3 5 3 45 4 0 3 3 33 5 3 5 3 45 4 634034 33 5 3 5 3 45 4 1 3 5 0 33 5 3 5 3 45 4 08 3 26 3 54 33 5 3 5 3 45 4 7 30 5 5 1 3 5 3 45 4 35 5...

Page 16: ...xii...

Page 17: ...TAS 455 and TAS 465 Service Manual xiii Safety Summary H H H H Symbols and Terms...

Page 18: ...ety Summary Safety xiv Do Not Perform Service While Alone Use Care When Servicing With Power On Power Source Grounding the Oscilloscope Use the Proper Power Cord Use the Proper Fuse Specific Precautio...

Page 19: ...Safety Summary TAS 455 and TAS 465 Service Manual xv Do Not Remove Covers or Panels Do Not Operate in Explosive Atmospheres Electric Overload...

Page 20: ...xvi...

Page 21: ...TAS 455 and TAS 465 Service Manual xvii Preface...

Page 22: ...xviii H Reference H Instruction H XYZs of Analog and Digital Oscilloscopes...

Page 23: ......

Page 24: ...TAS 455 and TAS 465 Service Manual 1 1 Product Description H H 0 H H H H H H H H...

Page 25: ...1 2 1 1 1 3 3 1 3 2 1 1 1 3 AUTOSET AUTOSET 1 1 1 3 1 1 Menus 1 3 VERTICAL MENU 1 VERTICAL MENU 1 3 3 1 General Purpose Knob and TOGGLE 1 selecting 0 adjust CLEAR MENU 0 1 TOGGLE TOGGLE 1 Save Recall...

Page 26: ...0 0 20 2 1 02 1 0 14 0 0 1 0501 0 0 1 0 1 12 0 1 1 6 1 0501 2 2 1 0 2 0 2 1 0 3 1 3 0 7 0 2 201 1 1 3 21 1 5 0 1 1 1 1 1 0 4 1 1 00 211 5 2 3 0 1 2 1 1 5 2 02 10 1 2 0 0 5 2 1 1 0 02 10 2 5 0 0 0 3 1...

Page 27: ...1 4...

Page 28: ...alled CH 1 and CH 2 Input Coupling DC AC or GND GND input coupling disconnects the input connector from the atten uator and connects a ground reference to the input of the attenua tor Sensitivity Rang...

Page 29: ...6 Table 1 2 Nominal Traits Time Base System Name Description 0 0 1 0 0 1 0 0 1 0 3 0 Table 1 3 Nominal Traits Triggering System Name Description 2 0 2 0 2 2 Table 1 4 Nominal Traits Video Triggering...

Page 30: ...ors Name Description Table 1 6 Nominal Traits XY Operation Name Description 0 0 Table 1 7 Nominal Traits Setup Memory Characteristics Name Description 0 Table 1 8 Nominal Traits Power Fuse Name Descri...

Page 31: ...ble 1 9 Nominal Traits Mechanical Name Description 2 H 5 0 H 2 1 0 H 2 1 2 H 2 0 5 H 2 0 0 H 2 H 5 0 H 2 1 H 2 0 4 3 5 0 2 4 3 0 3 0 0 0 0 0 0 0 4 5 0 0 0 5 5 3 0 3 0 0 0 4 0 0 0 1 2 H 0 1 4 2 H 0 2 0...

Page 32: ...ace type Name 1 1 01 0 2 1 0 1 0 4 1 1 07 1 0 5 2 1 4 1 0 H 0 0 0 201 1 1 1 12 14 _ _ H 4 72 1 01 21 0 0 2 H 1 1 12 0 14 _ _ 2 00 1 4 0 1 H 12 0 1 1 0 0 1 0 7 1 3 Table 1 10 Warranted Characteristics...

Page 33: ...The AC Coupled Lower Frequency Limits are reduced by a factor of 10 when 10X passive probes are used TAS 455 Crosstalk Channel Isolation 50 dB at 10 MHz 35 dB at 60 MHz TAS 465 Crosstalk Channel Isol...

Page 34: ...Base System Name Description Time Base Accuracy Magnify Off 0 Conditions Time Measurement Accuracy _ _ 4 _ _ _ _ 4 0 2 1 0 0 2 2 Time Base Accuracy Magnify On 0 Conditions Time Measurement Accuracy 1...

Page 35: ...S iti it DC C l d Sensitivity DC Coupled Trigger Source Sensitivity 1 4 2 2 0 2 5 2 0 2 2 TAS 455 Edge Type Trigger Sensitivity DC Coupled Sensitivity DC Coupled Trigger Source Sensitivity 1 4 2 2 0...

Page 36: ...ync tip is 15 divisions referenced to input ground Sync Separation Stable trigger on positive or negative composite horizontal sync lines video for all 525 60 and 625 50 video systems which include NT...

Page 37: ...following requirements Underwriter s Laboratories UL Listed or Recognized Component Electrical and Electronic Measuring and Testing Equipment UL 1244 Canadian Standards CSA Association CSA Category Ce...

Page 38: ...Warranted Characteristics TAS 455 and TAS 465 Service Manual 1 15 Table 1 17 Warranted Characteristics Environmental and Safety Cont Name Description 4 0 2 0 2 0 1 H H 0 0 0 3...

Page 39: ...1 16...

Page 40: ...d 1 MW DC is as follows Condition Typical Trace Shift 10_ C to 35_ C 0 5 mV 35_ C to 55_ C 2 mV Variable Volts Div Offset 0 5 division trace shift while changing the variable volts div setting Chop Mo...

Page 41: ...8 0 2 0 6 2 3 0 0 2 0 6 00 18 0 2 0 1 108 1 5 6 2 6 0 6 0 2 0 6 00 1 0 3 0 3 10 1 5 6 2 6 0 6 0 2 0 6 00 1 0 3 0 108 1 5 6 5 2 40 2 5 2 08 2 0 2 0 3 2 1 0 2 8 5 0 2 05 0 1 05 0 2 0 3 0 1 Trigger Sourc...

Page 42: ...pical Characteristics Video Triggering System Name Description 0 0 0 2 0 2 5 0 3 0 0 03 6 6 Table 1 22 Typical Characteristics Z Axis Name Description 0 2 05 0 2 05 3 Condition Sensitivity 0 6 0 2 2 0...

Page 43: ...Typical Characteristics Specifications 1 20 Table 1 24 Typical Characteristics Setup Memory Name Description _ _ _ _...

Page 44: ......

Page 45: ...rvice Manual 2 1 Installation and Power On 4 0 0 0 4 2 4 0 1 0 0 0 5 5 3 0 4 0 2 0 6 4 0 2 4 0 0 4 1 4 0 2 2 1 0 6 0 6 0 2 0 2 2 6 2 0 6 2 4 Power Connector Fuse Compartment Line Voltage Range Switch...

Page 46: ...wer On Operating Information 2 2 Grasp the Fuse Drawer and Pull Straight Out Pop the Fuse Up from the Bottom of the Drawer Spare Fuse Figure 2 2 Fuse Compartment Specifications POWER POWER Button Figu...

Page 47: ...5 Service Manual 2 3 Quick Start 2 1 2 2 0 1 0 1 2 2 2 1 1 2 1 1 CH 1 CH 1 2 0 CH 2 CH 2 2 CH 1 WAVEFORM OFF 0 3 2 0 2 2 1 2 1 2 WAVEFORM OFF 2 2 CURSOR 0 VOLT 1 Selecting and Deselecting Input Channe...

Page 48: ...ing Information 2 4 2 1 TOGGLE Position Active Cursor Set Active Cursor Active Cursor CH 1 CH 2 1 1 W 0 1 Compensating the Probe 3 AUTOSET 3 1 PROBE COMP 1 3 AUTOSET 3 1 1 2 1 2 3 1 1 Connecting a Sig...

Page 49: ...tart TAS 455 and TAS 465 Service Manual 2 5 Figure 2 4 Probe Compensation Signal Displayed after AUTOSET PROBE COMP CH 1 CH 2 PROBE COMP Figure 2 5 Connections for Compensating a Probe Compensating th...

Page 50: ...26 23 35 66 7 AUTOSET 87721 21 7 5217 3 1 7 7 9 57 6 72 86 1 7 VOLTS DIV 21752 17 5 7 9 250 9 57 86 1 7 9 57 POSITION 21752 7 7 25 217 6 72 6 86 1 7 SEC DIV 21752 7 7 75 5 283 1 72 Noise Reject 86 7...

Page 51: ...TAS 465 Service Manual 2 7 Probe Compensated Correctly Probe Over Compensated Probe Under Compensated Figure 2 6 How Probe Compensation Affects Signals Low frequency Adjustment Figure 2 7 Location of...

Page 52: ...een Main and Delay modes 43 43 5 1 04 1 1 36 13 2 3 3 3 2 TRIGGER MENU 433 Main Mode Select LED on SELECT toggles between Main and Delay modes 5 3 VERTICAL MENU 433 7 4 HORIZONTAL MENU 433 SAVE RECALL...

Page 53: ......

Page 54: ...TAS 455 and TAS 465 Service Manual 3 1 Circuit Description Logic Conventions Module Interconnection...

Page 55: ...INS J50 P50 A05 PROCESSOR BOARD 16 16 PINS 16 PINS J30 J84 J30 P30 P30 P84 5 PINS FRONT PANEL GND J35 PROBE COMP A04 BEZEL BUTTON BOARD J40 10 PINS P40 10 PINS A09 12 J55 5 PINS 12 TERMINATIONS 5 5 TE...

Page 56: ...ISPLAY DRIVER BOARD A03 A64 9 5 5 PINS VERTICAL J73 DEFLECTION J75 P76 P73 P75 NC DL68 23 2 PINS 2 PINS 23 PINS 2 PINS J80 J69 W66 J67 J68 23 TERMINATIONS P69 P68 P67 P80 EXT TRIG 40 PINS J403 J50 P50...

Page 57: ...3 3 8 3 1 3 04 2 3 8 1 6 2 3 1 22 1 04 1 3 1 5 5 13 1 9 3 7 2 2 2 3 3 2 8 1 5 1 1 1 31 3 1 22 1 3 8 1 1 5 2 5 13 2 1 22 31 12 26 2 2 04 3 2 38 31 External Trigger 4 1 2 42 3 3 1 3 73 1 31 1 2 3 3 04 2...

Page 58: ...78 1 327 787 3 3 0 7 3 78 8 2 3 232 30 8 0 78 8 0 7 7 6 59 6 1 28 78 8 7 8 8 8 1978 238 2 96 2 6 8 0 327 59 280 8 8 7 3 2 8 7 79 7 78 1 46 28 8 7 631 44 2 2 Readout Subsystem 6 398 79 7 78 1 327 787...

Page 59: ...Circuit Description Theory of Operation 3 6 Vertical Output 0 0 0 Horizontal Output High Voltage 0 0 0 0 0 0 0 Vertical Termination TAS 485 only 0 0 0 Display Assembly Front Panel...

Page 60: ...iplexers U420 and U421 determine whether to scan for pots or probes If pots are to be scanned one of 10 possible pot inputs is read from either multiplexer U420 or U421 The voltage at the wiper of the...

Page 61: ...f Operation 3 8 6 1 1 Switches A4 6 2 0 2 4 2 0 2 2 2 0 0 4 2 2 0 0 0 0 2 2 0 2 0 4 2 2 1 0 2 0 4 2 2 0 2 0 4 1 6 0 0 1 1 0 4 0 1 3 6 0 2 2 0 4 2 0 0 0 0 4 2 0 4 2 1 2 4 0 3 1 0 4 2 0 POWER 2 2 0 2 0...

Page 62: ......

Page 63: ...Performance Checks Performance Tests Brief Performance Checks Self Tests Functional Tests Functional Tests Advantages Temperature Compensation Calibrations Performance Tests Performance Tests Equipme...

Page 64: ...4 2 H H H VERTICAL MENU CPLG DC First Vertical Graticule Line Tenth Vertical Graticule Line Center Vertical Graticule Line CenterHorizontal Graticule Line Top Horizontal Graticule Line Figure 4 1 Gra...

Page 65: ...Checks 0 Power On Self Tests 0 Functional Tests 0 0 1 PROBE COMP 0 Temperature Compensation Calibrations 0 0 0 0 0 0 0 _ 0 0 0 0 3 0 3 3 0 0 3 0 0 0 0 3 operates 0 not 0 0 0 2 3 2 1 not Performance T...

Page 66: ...3 READOUT 2 INTENSITY 2 1 0 2 1 1 UTILITY CONFIG MORE 2 Dual Delay Disabled ALT CHOP ADD ADD Off CH 1 PROBE COMP 3 3 2 CH 1 PROBE COMP 3 Figure 4 2 Test Hookup for Functional Tests Verify the Probe C...

Page 67: ...0 TOGGLE 0 2 3 4 TIME On 3 Verify the Input Channels 3 0 0 AUTOSET VERTICAL MENU CPLG DC 3 1 5 H 0 1 0 0 5 H SET LEVEL TO 50 0 2 3 H 0 POSITION 0 1 1 3 1 0 4 H VOLTS DIV 1 1 1 0 0 0 VERTICAL MENU CPL...

Page 68: ...rformance Verification 4 6 DC CLEAR MENU Verify the Alt Chop and Add Functions CH 1 WAVEFORM OFF AUTOSET CH 2 WAVEFORM OFF ALT CHOP ADD ADD On DISP Chop DISP Alt ADD Off CLEAR MENU Verify the Time Bas...

Page 69: ...0 3 2 3 1 0 4 0 3 H 4 POSITION 0 3 1 0 0 5 H MAG 0 1 0 4 0 5 3 3 MAG HORIZONTAL MENU DELAY On 3 0 TRIGGER MENU MODE Runs After HORIZONTAL MENU TRCSEP 0 3 3 1 DELAY 3 3 1 H 1 4 2 3 5 4 0 INTENSITY 0 3...

Page 70: ...8 TRIGGER MENU MODE Auto H LEVEL H LEVEL H SET LEVEL TO 50 HORIZONTAL MENU DELAY On 0 TRIGGER MENU MODE Trig After SRC Ch1 0 H LEVEL H LEVEL H SET LEVEL TO 50 0 HORIZONTAL MENU DELAY Off TRIGGER MENU...

Page 71: ...0 10 0 10 1 1 1 0 7 01 0 0 0 0 1 5 0 5 5 0 0 0 5 1 5 5 1 0 Horizontal Sweep Path 0 AUTOSET 100 0 UTILITY 100 0 CAL 0 1 0 Horizontal Sweep Path 0 1 1 0 0 0 10 Horizontal Sweep Path 10 0 10 0 8 0 0 0 0...

Page 72: ...stment Toggle Between Gain and Position Adjustment Dots Eight Divisions Apart Centered Horizontally Figure 4 3 Horizontal Adjustments One Done TOGGLE Done TOGGLE TOGGLE TOGGLE Position Adjustment Togg...

Page 73: ...n Gain and Position Adjustment Lines Eight Divisions Apart Centered Horizontally Figure 4 5 Horizontal Adjustments Three TOGGLE 0 Done pass failed Done Calibration Finished Vertical Signal Path AUTOSE...

Page 74: ...Brief Performance Checks Performance Verification 4 12...

Page 75: ...AS 465 Service Manual 4 13 Performance Tests 0 0 boldface 0 0 1 0 1 H H H 1 H 1 _ _ H INTENSITY READOUT H 0 0 Intensity Delay Main 0 Related Information 2 1 0 0 1 Performance Tests Prerequisites Equip...

Page 76: ...00 Signal interconnection video 7 Coupler Dual Input Female BNC to dual male BNC Tektronix part number 067 0525 02 Signal interconnection 8 Generator Lev eled Sine Wave 200 kHz to 250 MHz Variable am...

Page 77: ...ET 211 1 1 0 3 0 1 0 00 1 TRIGGER MENU 211 0 1 CPLG 1 Noise Reject 00 1 CURSOR 211 0 1 Volt 1 On 00 1 VERTICAL MENU 211 1 4 0 1 0 H 1 CPLG 1 DC H 1 BW 1 20 MHz 1 1 3 10 3 0 1 0 1 1 1 1 3 0 0 4 1 1 7 1...

Page 78: ...Accuracy Volts Div Scale Input Amplitude Displayed Signal Accuracy Delta Volts Readout Accuracy VERTICAL MENU VAR On 3 1 VAR Off 1 CURSOR Volt Off Check Trigger Level Accuracy Equipment Required 0 1 A...

Page 79: ...Precision Cable Figure 4 7 Trigger Level Test Setup SET LEVEL TO 50 0 TRIGGER MENU SLOPE Falling SET LEVEL TO 50 0 MAIN DELAY SELECT 0 0 MODE Runs After SRC Ch1 SET LEVEL TO 50 0 MAIN DELAY SELECT SLO...

Page 80: ...ator Precision Cable 50 Termination Figure 4 8 Bandwidth Test Setup AUTOSET 0 3 2 1 2 TRIGGER MENU CPLG Noise Reject 0 4 0 2 2 4 2 3 3 Table 4 3 DC Coupled Bandwidth Display Amplitude Volts Div Scale...

Page 81: ...pment Required 0 1 CH 1 3 Pulse Generator Precision Cable Figure 4 9 X Axis Gain Test Setup AUTOSET 1 POSITION HORIZONTAL MENU XY On 3 0 XY Off 2 1 Warranted Characteristics Specifications Check Time...

Page 82: ...on Precision Cable Figure 4 10 Timing Test Setup AUTOSET CURSOR TIME On TOGGLE 1 1 Table 4 4 Time Base and Cursor Accuracies Mag Off Time mark to Graticule Accuracy Time Cursor Readout Accuracy Sec Di...

Page 83: ...e 4 4 Time Base and Cursor Accuracies Mag Off Cont Time Cursor Readout Accuracy Time mark to Graticule Accuracy Sec Div Scale Mag Off 2nd and 10th Time Marks Over Center 8 Divisions Time Mark Setting...

Page 84: ...Setting Time Mark to Graticule Over Center 8 Divisions 1 1 2 1 1 1 m 1 m 1 1 Change the volts div scale as necessary to maintain vertical amplitude 2 At this setting two cycles of the signal are disp...

Page 85: ...rk Generator 50 Termination Precision Cable Figure 4 11 Dual Delay Test Setup AUTOSET 1 TRIGGER MENU MAIN DELAY SELECT MODE Runs After 1 HORIZONTAL MENU TRCSEP 1 1 0 DELAY 2 0 1 1 0 UTILITY CONFIG MOR...

Page 86: ...1 1 1 1 1 0 1 6 201 1 2 0 1 02 0 1 6 04 1 0 1 1 1 2 1 1 2 6 2 6 0 1 m0 1 m0 00 1 CURSOR 211 0 1 TIME 1 Off 00 1 UTILITY 211 0 1 Dual Delay Disabled 00 1 HORIZONTAL MENU 211 0 1 DELAY 1 Off 0 1 1 1 01...

Page 87: ...e 50 Terminations Dual input Coupler Figure 4 12 Trigger Sensitivity Test Setup One 0 1 AUTOSET VERTICAL MENU CPLG DC TRIGGER MENU H MODE Auto H SRC Ch1 H CPLG DC H SLOPE Rising MAIN DELAY SELECT 2 0...

Page 88: ...put Coupler Precision Cable Figure 4 13 Trigger Sensitivity Test Setup Two SET LEVEL TO 50 TRIGGER MENU SLOPE Falling SET LEVEL TO 50 HORIZONTAL MENU DELAY On TRCSEP TRIGGER MENU MODE Trig After SET L...

Page 89: ...rator Precision Cable 50 Terminations Dual input Coupler Figure 4 14 Trigger Sensitivity Test Setup Three 0 1 2 0 1 0 H 4 2 H 4 2 MAG SRC EXT 10 SET LEVEL TO 50 1 0 3 10X Attenuator Sine Wave Generato...

Page 90: ...Horizontal Menu button and adjust the delay time using the General Purpose Knob Press the Trigger Menu button after confirming a stable display SLOPE Rising SET LEVEL TO 50 2 0 2 NOTE A slight adjustm...

Page 91: ...465 Service Manual 4 29 Television Signal Generator 75 Termination 75 Cable Figure 4 16 Video Trigger Test Setup AUTOSET UTILITY CONFIG MORE Video Sync Negative TRIGGER MENU H MODE Video Field odd H S...

Page 92: ...4 30...

Page 93: ......

Page 94: ...dures Description 2 Adjustment Procedures H H Purpose 2 1 Warranted Characteristics Specifica tions 0 not Performance Verification Adjustment Interval 2 Personnel Access to Adjustments Maintenance 1 1...

Page 95: ...cedures Adjustment Procedures 5 2 Display Driver board Analog board Figure 5 1 Location of Boards for Adjustments Factory Horizontal Cal Factory Vertical Cal Equipment Required Performing the Adjustme...

Page 96: ...mplete Adjustment 0 1 1 2 1 2 2 3 2 2 Partial Adjustment 1 2 0 0 1 0 2 Adjustment Dependencies 1 4 0 Adjustment Dependencies 2 1 Complete Adjustment 4 Table 5 1 Adjustments and Dependencies Adjustment...

Page 97: ...14 6 5 Equipment Required 0 6 7 6 6 4 6 0 10 756 06 611 6 Adjustment Locations 5 241 74 4 37 4 5 756 06 61 6 19 4 722 1 4 74 10 2 14 6 1 6 10 1 6 756 06 100 6 6 6 81 6 6 4 19 61 55 5 4170 0 100 6 6 8...

Page 98: ...CPLG GND H BW 20 MHz 2 FOCUS 3 1 TRACE ROTATION 3 2 HORIZONTAL MENU XY On INTENSITY 1 1 3 0 XY Off CH 1 3 Time Mark Generator 50 Termination Precision Cable Figure 5 2 CRT Adjustments Calibration Setu...

Page 99: ...equency Output Compensation Equipment Required 2 W 4 Adjustment Locations 3 0 4 4 4 3 AUTOSET 0 0 0 ALT CHOP ADD DISP Alt VERTICAL MENU CPLG AC 0 CH 1 CH 2 1 4 Pulse Generator Precision Cable 50 Termi...

Page 100: ...Required 0 0 0 4 0 W 0 0 0 Prerequisites 1 0 0 1 NOTE To enable factory calibration on oscilloscopes with firmware version 2 10 or above remove jumper J205 CAL DIS on the CPU board See Figure 5 17 on...

Page 101: ...Factory Horizontal Cal 0Toggle to set 8div about center NOTE TOGGLE TOGGLE TOGGLE 1 Done Gain and Position Adjustment Toggle Between Gain and Position Adjustment Dots Eight Divisions Apart Centered Ho...

Page 102: ...Adjustment Toggle Dot Position Center Dot Horizontally Figure 5 5 Horizontal Adjustments Two TOGGLE TOGGLE Done TOGGLE Gain and Position Adjustment Toggle Between Gain and Position Adjustment Lines Ei...

Page 103: ...ion routine can be terminated by selecting Abort instead of Done The abort option appears through the remainder of this Factory Horizontal Cal routine Done Abort CH 1 Time Mark Generator 50 Terminatio...

Page 104: ...is acciden tally invoked and not properly completed Factory Vertical Cal Equipment Required 1 3 1 3 1 3 1 2 7 3 4 43 4 1 3 Prerequisites 6 1 04 8 43 43 2 3 423 3 1 9 3 423 3 1 41 2 NOTE To enable fact...

Page 105: ...ure after initiating the calibration routine CAL Factory Vertical Cal NOTE At this time the calibration routine can be terminated by selecting Abort The abort option appears through the remainder of t...

Page 106: ...TRIG DC Calibration Generator Figure 5 9 External Trigger Calibration Setup Done Done NOTE TOGGLE TOGGLE TOGGLE Gain and Position Adjustment Toggle Between Gain and Position Adjustment Dots Six Divis...

Page 107: ...0 0 10 0 0 10 1 5 3 3 0 3 2 2 10 2 CAUTION To prevent accidental loss of calibration be sure the calibration lockout jumper J205 is in place If J205 is not in place erroneous calibration constants can...

Page 108: ...ecision Cable 5X Attenuator Figure 5 12 High Frequency Step Response Test Setup AUTOSET VERTICAL MENU CPLG DC POSITION TAS 465 Only NOTE Some interaction of the adjustments made in steps 9 and 11 may...

Page 109: ...3 1 5 10 10 0 1 0 0 6 1 5 01 0 0 0 01 10 10 0 1 0 0 0 CH 1 CH 2 10 3 1 6 50 Termination Dual input Coupler Precision Cable Pulse Generator Figure 5 13 Attenuator Compensation Test Setup 0 0 1 0 01 0 0...

Page 110: ...2 4 0 1 0 0 0 2 1 0 1 0 Vertical Gain Adjust Cabinet On Equipment Required Adjustment Locations 3 0 4 4 4 Prerequisites 1 3 3 1 4 1 CURSOR VOLT On 0 0 0 0 3 1 NOTE If the readout in step 4 is within t...

Page 111: ...5 18...

Page 112: ...Adjustment Procedures TAS 455 and TAS 465 Service Manual 5 19 R321 R322 R323 R112 R154 R111 R140 R141 C121 C122 Figure 5 14 Display Driver Board Adjustment Locations...

Page 113: ...Adjustment Procedures Adjustment Procedures 5 20 Ch2 10X Ch2 100X Ch1 10X Ch1 100X Figure 5 15 Analog Board Adjustment Locations...

Page 114: ...Adjustment Procedures TAS 455 and TAS 465 Service Manual 5 21 R43 Figure 5 16 Power Supply Adjustment Location New Power Supply...

Page 115: ...Adjustment Procedures Adjustment Procedures 5 22 J205 CAL DIS Figure 5 17 Location of J205 CAL DIS on the CPU Board...

Page 116: ......

Page 117: ...465 Service Manual 6 1 Maintenance Information H Maintenance Information H Inspection and Cleaning H Removal and Installation Procedures H Troubleshooting Aids H H Warranty Service Before Servicing Te...

Page 118: ...6 2 Repair or Calibration Service 0 1 1 1 1 3 1 Warranty Plus Service Options 3 3 H H H H 1 H H 1 1 1 0 3 1 1 3 CAUTION Static discharge can damage any semiconductor component in this oscilloscope 2 3...

Page 119: ...able 6 1 Relative Susceptibility to Static Discharge Damage Semiconductor Classes Relative Susceptibility Levels1 1 0 0 1 0 5 1 0 3 0 10 0 0 2 00 4 00 4 5 1 4 0 0 1 0 35 3 00 4 0 0 2 1Voltage equivale...

Page 120: ...6 4...

Page 121: ...r and rinse with deionized water Use only deionized water when cleaning the menu buttons or front panel buttons Before using any other type of cleaner consult your Tektro nix Service Center or represe...

Page 122: ...ist Item Inspect For Repair Action Cleaning Procedure Exterior CAUTION To prevent getting moisture inside the oscilloscope during external cleaning use only enough liquid to dampen the cloth or applic...

Page 123: ...1 1 3 1 0 0 0 2 0 1 0 0 0 5 5 3 1 10 5 5 0 0 1 0 0 0 0 5 2 5 Removal and Installation Procedures 5 3 05 0 3 0 0 5 10 3 0 0 05 0 0 2 0 0 _7 0 _7 6 3 0 0 0 1 5 0 5 0 3 0 38 1 6 5 0 2 5 0 0 1 380 01 _7...

Page 124: ...6 8...

Page 125: ...beginning of this manual Also to prevent possible injury to service personnel or damage to oscilloscope components read in Section 2 and in this section H H H H WARNING Before doing any procedure in t...

Page 126: ...es Maintenance 6 10 General Instructions READ THESE GENERAL INSTRUCTIONS BEFORE REMOVING A MODULE Summary of Procedures Equipment Required Figure 6 1 Oscilloscope Orientation Summary of Procedures Tab...

Page 127: ...Removal and Installation Procedures TAS 455 and TAS 465 Service Manual 6 11 Table 6 3 Tools Required for Module Removal Item No Name Description R R R...

Page 128: ...use Line Cord Handle Assembly Front Foot 2 Rear Cover Front Cover Optional Trim Ring Menu Button Elastomer Menu Flex Circuit A4 Front Panel Assembly Front Panel Knobs Shafts Cabinet Menu Button Mounti...

Page 129: ...Mount Front CRT Bracket Implosion Shield CRT MU Shield Rear CRT Bracket Fan CPU Board Display Board High Voltage Cover Attenuator Assembly Attenuator Shield Display Control Board Mounting Screw Mounti...

Page 130: ...ay Board CPU to Front Panel Analog Board CPU to Analog Board Display Control Board to Display Board Display Control Board to Front Panel Power Supply to CPU Figure 6 4 Cables and Cable Routing WARNING...

Page 131: ...tallation Procedures TAS 455 and TAS 465 Service Manual 6 15 Line Fuse 1 Unplug 2 Rotate 3 Pull Line Fuse Figure 6 5 Line Fuse and Line Cord Removal Removing Front Panel Knobs and Shafts Front Panel K...

Page 132: ...n Procedures Maintenance 6 16 Installing Front Panel Knobs and Shafts When re installing the knobs note there are two sizes Be sure to re install the proper size knob in the proper location Figure 6 6...

Page 133: ...l and Installation Procedures TAS 455 and TAS 465 Service Manual 6 17 Front Foot Rotate and remove Mounting Screws 4 Mounting Screw Figure 6 7 Rear Cover Cabinet and Feet Removal Feet Rear Cover and C...

Page 134: ...lation Procedures Maintenance 6 18 Rear Cover 2 2 0 Cabinet 2 0 1 Replacing the Front Feet 1 2 1 2 2 Additional procedures required 3 H H Removing the Front Trim 2 0 2 1 1 1 0 0 Front Panel Trim Menu...

Page 135: ...Removal and Installation Procedures TAS 455 and TAS 465 Service Manual 6 19 Menu Buttons and Elastomer Power Button Replacement Installing the Front Trim...

Page 136: ...ge and press up on its two tab locks Flex the trim ring upward then pull it forward Repeat for the bottom edge of trim ring Menu Button Elastomer Menu Button Trim Ring Tab Lock Figure 6 8 Trim Ring an...

Page 137: ...65 Service Manual 6 21 H 0 1 1 1 H 1 1 H 1 1 1 Front Panel Assembly Press Latch to Release Figure 6 9 A62 Front Panel Module Removal Front Panel Module Disassembly Assembly 0 Additional procedures req...

Page 138: ...2 Front Panel Buttons and Elastomer 0 Front Panel Board Front Panel ButtonElastomer Flex the latches 3 downward to release board Then rotate the board and pull it down Menu Button Figure 6 10 Disassem...

Page 139: ...res TAS 455 and TAS 465 Service Manual 6 23 Reassembly of the Front Panel Module 2 1 0 Ground Spring Rear of Front Panel Figure 6 11 Front Panel Ground Spring Additional procedures required 2 H H H H...

Page 140: ...Flex Circuit Board Removal NOTE DO NOT touch the contacts on the menu flex circuit with your bare fingers You should wear clean cloth gloves that are free of lint when installing the menu flex circui...

Page 141: ...Removal and Installation Procedures TAS 455 and TAS 465 Service Manual 6 25 H H H 0 0 0 R 0 0 R...

Page 142: ...Removal and Installation Procedures Maintenance 6 26 Mounting Screws 4 A1 Analog board Mounting Screws 4 Figure 6 13 A1 Analog Board Removal Display Driver Board A3...

Page 143: ...d TAS 465 Service Manual 6 27 Display Driver Board A3 Mounting Screw High Voltage Cover Mounting Screw Figure 6 14 Location of Display Driver Board Current Method NOTE TAS 455 SN B011876 and Above TAS...

Page 144: ...moval and Installation Procedures Maintenance 6 28 Additional procedures required H H H CRT Implosion Shield Spudger Slot In CRT Bracket Implosion Shield Guides Figure 6 15 CRT Implosion Shield Remova...

Page 145: ...d TAS 465 Service Manual 6 29 Early Method2 NOTE TAS 455 SN B011875 and Below TAS 465 SN B011639 and Below Additional procedures required 2 H H H H 0 H 0 H 1 0 0 Additional procedures required 2 H H F...

Page 146: ...Removal and Installation Procedures Maintenance 6 30 Flex Locks Retainer Lugs 4 Figure 6 16 Fan Mount Removal Fan Mount Flex locks Fan Figure 6 17 Fan and Fan Mount Removal...

Page 147: ...king a CRT causes it to implode scattering glass fragments with high velocity and possibly injuring you Wear protective clothing and safety glasses preferably a full face shield Avoiding striking the...

Page 148: ...resent on the anode lead Do not touch the end of the anode lead until it has been fully discharged to ground 1 2 2 0 0 1 4 Rear CRT Bracket Release Rear CRT Bracket Latch From Chassis Spring Ground Wi...

Page 149: ...Removal and Installation Procedures TAS 455 and TAS 465 Service Manual 6 33 CRT Installation 1 0 0 1 2 1 0 2 0 0...

Page 150: ...ket Implosion Shield CRT CRT Anode Lead CRT Shield Rear CRT Bracket Display Control Board Light Guide Static Ground Contact CRT Socket Cover CRT Mount Cushion 4 CRT Socket CRT Shield Support Figure 6...

Page 151: ...ocedures TAS 455 and TAS 465 Service Manual 6 35 H H NOTE To properly guide the light to the CRT the beveled edge of the light guide must be facing up toward the CRT Additional procedures required H H...

Page 152: ...Removal and Installation Procedures Maintenance 6 36 Mounting Screw Figure 6 20 Removing the CRT front bracket Additional procedures required H H H H H H A2 Display Control Board...

Page 153: ...moval and Installation Procedures TAS 455 and TAS 465 Service Manual 6 37 Figure 6 21 Removing the Display Control Board Additional procedures required 0 H H Power Supply Removal A63 Power Supply Modu...

Page 154: ...Removal and Installation Procedures Maintenance 6 38 Power Switch Located on Power Supply Module Power Button Shaft Figure 6 22 Power Button Shaft Disconnect Power Supply Installation...

Page 155: ...Removal and Installation Procedures TAS 455 and TAS 465 Service Manual 6 39 Mounting Screw 2 Mounting Tab Figure 6 23 Power Supply Removal...

Page 156: ...Removal and Installation Procedures Maintenance 6 40...

Page 157: ...2 1 1 2 1 06 1 0 20 00 1 1 2 1 2 00 2 16 2 0 1 6 00 2 16 2 0 1 1 1 2 0 1 2 0 1 1 201 3 1 00 1 1 2 0 02 0 0 3 1 0 1 1 Removal and Installation Procedures 7 01 2 1 0 1 3 1 1 7 010 1 2 1 2 1 1 1 2 0 1 7...

Page 158: ...Maintenance 6 42 F f Table 6 5 Symptom Matrix Symptom Processor Analog Display Driver Front Panel Display Control f f f f F f F f f F f f F f f F F F f f F f F f f f F f F f f F f f F F f f F F f F F...

Page 159: ...Troubleshooting TAS 455 and TAS 465 Service Manual 6 43 Table 6 5 Symptom Matrix Cont Symptom Display Control Front Panel Display Driver Analog Processor f f F f F f F f F F f F f F F f F f F f...

Page 160: ...2 132 2 1 8 3 0 2 2 13 1 1 3 1 3 1 31 4 2 3 01 41 241 3 2 0 3 1 6 3 3 3 23 2 2 0 2 3 2 0 34 001 7 3 8 3 0 1 2 241 3 2 0 2 3 1 6 3 3 2 2 0 6 341 3 VOLTS DIV 31 13 3 3 3 23 2 2 0 31 1 3 1 31 1 5 3 2 3 2...

Page 161: ...12 10 9 6 and 1 for shorts to ground Yes No Are any of the pins shorted Replace the A1 Analog board Perform the A3 Display Driver Board Troubleshooting Procedure Press the CH1 button and rotate the V...

Page 162: ...1 3 1 3 5 14 1 0 1 3 1 0 1 0 1 1 1 2 0 1 2 0 0 1 5 1 1 1 CH1 02 1 3 1 00 0 4 1 0 0 0 0 1 3 1 0 1 3 1 0 1 0 1 1 1 1 1 1 0 15 02 1 3 1 1 4 1 0 0 0 0 1 3 1 3 5 0 1 0 1 0 3 1 0 0 1 0 2 1 1 1 2 1 1 0 15 2...

Page 163: ...7 2 1 1 2 4 3 1 30 2 5 0 1 2 2 1 2 2 0 2 1 12 4 0 1 021 2 0 3 1 0 7 2 1 1 02 2 1 7 0 4 0 0 130 4 2 5 2 84 2 0 1 2 4 2 0 6 2 7 1 2 5 0 3 7 3 2 02 5 30 2 5 0 0 4 2 5 0 0 4 2 31 0 2 31 0 130 2 31 0 1 12...

Page 164: ...3 3 3 2 0 6 423 3 42 2 3 31 1 43 42 6 3 3 42 3 4 6 2 2 3 5 3 5 17 2 3 0 2 3 2 5 1 1 3 20 7 31 1 1 4 2 3 1 41 0 3 0 3 20 7 1 5 1 1 1 1 3 1 1 4 2 3 1 41 1 31 2 1 43 5 2 3 2 43 3 2 2 0 41 3 1 43 3 2 37...

Page 165: ...0 2 3 2 2 0 1 0 1 021 2 0 3 1 0 7 2 1 1 02 1 2 2 0 2 2 2 1 7 20 3 2 1 0 1 021 2 0 3 0 0 2 0 0 3 1 2 0 30 1 0 7 2 1 1 02 2 1 7 0 4 0 0 2 0 2 3 2 1 1 130 2 1 1 1 30 1 0 11 322 1 5 5 2 2 1 1 0 1 1 1 1 1...

Page 166: ...0 0 0 0 0 0 0 0 0 2 0 3 3 0 0 0 0 10 0 1 0 0 05 0 0 2 0 2 5 4 0 5 3 0 0 0 0 0 0 0 0 1 0 1 0 0 1 5 2 0 0 0 2 0 4 0 5 0 2 1 0 0 1 1 0 1 1 0 0 Trace Rotation 3 3 0 0 5 0 5 0 0 3 0 1 0 0 0 0 0 0 5 0 1 0 2...

Page 167: ...TAS 455 and TAS 465 Service Manual 6 51 Repackaging Information...

Page 168: ...6 52...

Page 169: ......

Page 170: ...5 2 3 4 1 2 0 6 Table 7 1 International Power Cords Option Power Cord 1 0 7 5 7 5 0 7 5 7 5 2 5 7 5 Warranty Plus Service Options 2 1 1 2 2 6 4 2 4 2 0 H Option M2 3 1 1 4 2 4 1 H Option M3 3 1 1 4 2...

Page 171: ...ptions Options 7 2 Option 02 Front Cover and Pouch 2 0 0 0 1 0 1 3 3 3 1 1 3 Option 23 Additional Probes 2 1 5 1 0 1 4 3 3 1 Option 9C Certificate of Calibration and Test Data Report 2 2 1 1 3 0 3 4 1...

Page 172: ......

Page 173: ...r 1234 of Assembly 23 Assembly number Circuit number Example b component number A23A2R1234 Read Resistor 1234 of Subassembly 2 of Assembly 23 Subassembly number Circuit number Assembly number A23 R123...

Page 174: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 2 0 0 0 2 0 0 0 0 0 2 0 0 0 2 1 0 0 Tektronix Part No Serial No Name Description Mfr Code Mfr Part No...

Page 175: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 3 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code Manufacturer Address City State Zip Code...

Page 176: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 4 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code City State Zip Code Address Manufacturer...

Page 177: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 5 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code City State Zip Code Address Manufacturer...

Page 178: ...8 6...

Page 179: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 7 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 180: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 8 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 181: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 9 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 182: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 10 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 183: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 11 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 184: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 12 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 185: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 13 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 186: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 14 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 187: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 15 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 188: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 16 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 189: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 17 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 190: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 18 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 191: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 19 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 192: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 20 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 193: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 21 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 194: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 22 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 195: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 23 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 196: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 24 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 197: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 25 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 198: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 26 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 199: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 27 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 200: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 28 Component Number Mfr Part No Mfr Code Name Description Serial No Effective Dscont Tektronix Part No...

Page 201: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 29 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 202: ...Replaceable Electrical Parts Replaceable Electrical Parts 8 30 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No...

Page 203: ...Replaceable Electrical Parts TAS 455 and TAS 465 Service Manual 8 31 Component Number Tektronix Part No Serial No Effective Dscont Name Description Mfr Code Mfr Part No CHASSIS PARTS...

Page 204: ...8 32...

Page 205: ......

Page 206: ...529 4 8 0 9 58 3 0 8 04 H A 4 8 544 054 0 8 39 H A 8 4 90 4 0549 58 2 8540 7 063 4 H A A A 020 8 4 8 40 2 4 2 80 04 4 A 551 2 80 2 53654 4 9 9 5 4 54 0 8 39 8 04 5225 04 40 9 42 99 45 5 8 09 6 0 589...

Page 207: ...al Ground 3 0 1 3 Power Termination 2 2 Heat Sink Diagram Number Diagram Name Assembly Number 0 3 Figure 9 1 Graphic Items and Special Symbols Used in This Manual 0 0 3 3 2 0 0 3 4 1 1 3 3 1 4 3 1 1 1...

Page 208: ......

Page 209: ...0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1...

Page 210: ...10 2...

Page 211: ...Replaceable Mechanical Parts TAS 455 and TAS 465 Service Manual 10 3 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code Manufacturer Address City State Zip Code...

Page 212: ...Replaceable Mechanical Parts Replaceable Mechanical Parts 10 4 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No...

Page 213: ...10 5...

Page 214: ...Replaceable Mechanical Parts Replaceable Mechanical Parts 10 6 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No...

Page 215: ...10 7...

Page 216: ...10 8...

Page 217: ...Replaceable Mechanical Parts TAS 455 and TAS 465 Service Manual 10 9 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No...

Page 218: ...Replaceable Mechanical Parts Replaceable Mechanical Parts Fig Index No Mfr Part No Mfr Code 12345 Name Description Qty Serial No Effective Dscont Tektronix Part No...

Page 219: ...Replaceable Mechanical Parts TAS 455 and TAS 465 Service Manual Fig Index No Mfr Part No Mfr Code 12345 Name Description Qty Serial No Effective Dscont Tektronix Part No...

Page 220: ...10 12...

Page 221: ...Replaceable Mechanical Parts TAS 455 and TAS 465 Service Manual 10 13 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No...

Page 222: ...10 14...

Page 223: ...l Parts TAS 455 and TAS 465 Service Manual 10 15 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No STANDARD ACCESSORIES OPTIONAL ACCESSORIES Fig...

Page 224: ...10 16...

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