viii
Figure 4Ć34:ă60 Hz Rejection Test Result 4Ć67........................
Figure 4Ć35:ăLine Count Accuracy Test Hookup 4Ć68..................
Figure 4Ć36:ăLine Count Accuracy Test Setup Waveform 4Ć68..........
Figure 4Ć37:ăLine Count Accuracy Correct Result Waveform 4Ć69.......
Figure 4Ć38:ăPG502 Setup for Sync Duty Cycle Test 4Ć71..............
Figure 4Ć39:ăSync Duty Cycle Test: OneĆDiv Neg Pulse Waveform 4Ć72..
Figure 4Ć40:ăSync Duty Cycle Test: Critically Adjusted Pulse 4Ć73.......
Figure 5Ć1:ăAccessing the Protection Switch 5Ć8.....................
Figure 5Ć2:ăHookup for Probe Compensation 5Ć10....................
Figure 5Ć3:ăPerforming Probe Compensation 5Ć11....................
Figure 5Ć4:ăProper and Improper Probe Compensation 5Ć11...........
Figure 5Ć5:ăExposing the Inner Probe Tip 5Ć12........................
Figure 5Ć6:ăInitial Test Hookup 5Ć12.................................
Figure 5Ć7:ăExposing the Probe Body 5Ć14...........................
Figure 5Ć8:ăInitial Test Hookup 5Ć15.................................
Figure 5Ć9:ăLocations of P6139A Probe Adjustments 5Ć17..............
Figure 5Ć10:ăAdjustments versus FrontĆCorner Response 5Ć17.........
Figure 5Ć11:ăTDS 620A/640A Five and Ten Percent Luminance
Patches 5Ć19..................................................
Figure 5Ć12:ăTDS 644A Five and Ten Percent Luminance Patches 5Ć22..
Figure 6Ć1:ăExternal Modules 6Ć12..................................
Figure 6Ć2:ăOuterĆChassis Modules 6Ć13.............................
Figure 6Ć3:ăInnerĆChassis Modules - TDS 620A or 640A with
A20 Display Assembly 6Ć14.....................................
Figure 6Ć4:ăInnerĆChassis Modules - TDS 644A with A30
Display Assembly 6Ć15.........................................
Figure 6Ć5:ăKnob Removal 6Ć18....................................
Figure 6Ć6:ăLine Fuse and Line Cord Removal 6Ć19...................
Figure 6Ć7:ăRear Cover and Cabinet Removal 6Ć22....................
Figure 6Ć8:ăFront Cover, Trim Ring, Menu Buttons, and Attenuator
Panel Removal (Front Cover not Shown) 6Ć23.....................
Figure 6Ć9:ăA12 FrontĆPanel Assembly Removal 6Ć26..................
Figure 6Ć10:ăDisassembly of FrontĆPanel Assembly 6Ć27...............
Figure 6Ć11:ăCabinet Modules Removal 6Ć30.........................
Figure 6Ć12:ăAttenuator Interconnect Cable Routing and
Jack Locations 6Ć32...........................................
Figure 6Ć13:ăA14 D1 Bus and AnalogĆPower and DigitalĆPower
Cables Removal 6Ć33..........................................
Figure 6Ć14:ăRemove Circuit Board Assembly From Oscilloscope 6Ć35..
Figure 6Ć15:ăRemove Circuit Board From Assembly 6Ć36..............
Figure 6Ć16:ăCircuit Board Installed 6Ć38.............................
Figure 6Ć17:ăProper Routing of the Video Cable 6Ć39..................
Figure 6Ć18:ăCircuit Board Removal 6Ć40............................
Figure 6Ć19:ăA11 Processor/Display Removal 6Ć43....................
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