TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
60.
Change the TRIGGER Menu as follows:
TRIGGER MENU
POSN
DELAY
00000
Events
65000’WA OFF:WB RESET ON:WC
WA =
00
WB =
WC =
FF
61.
Press the DATA key and then the START key.
62.
Check for the following data and proper trigger location.
243
00
244
00
245
00
246
00
247
00
248
00
249
00
T
250
00
(Trigger location)
251
FF
252
00
63.
Press the STOP key and then the -1 (scroll) key.
64.
Return DD501 DELAY COUNT to 00001.
65.
Adjust DD501 EVENTS LEVEL slowly until the channel 2 waveform’s falling edge crosses the channel 1 waveform’s
rising edge at 0 V (mid-screen). See Figure 5-60 (14 ns setup, 0 ns hold).
66.
Move the P6451 probe to the next 338 PARALLEL DATA INPUT and select the corresponding 338 GROUP G1 =
x7-x0.
67.
Repeat steps 26 to 65 for each of the remaining PARALLEL DATA INPUTS (C-B-A).
TEST 3 - GLITCH DATA ACQUISITION AND GLITCH TRIGGER
Equipment Required
1 Oscilloscope
2 Pulse Generators
1 BNC 50
Ω
Terminator
1 BNC T-connector
2 BNC Male-to-Probe Tip Adapters
1 Test Fixture (see Figure 5-1)
1 BNC 50
Ω
Cable, 42 inches long
5-111
Summary of Contents for 318
Page 119: ...318 VERIFICATION AND ADJUSTMENT PROCEDURES ...
Page 182: ...338 VERIFICATION AND ADJUSTMENT PROCEDURES ...
Page 253: ...318 ___________________ TROUBLESHOOTING TREES ...
Page 344: ...338 TROUBLESHOOTING TREES ...
Page 517: ...TM 11 6625 3145 14 318 338 4434 923 318 Block Diagram ...
Page 518: ...TM 11 6625 3145 14 318 338 4434 924 338 Block Diagram ...
Page 519: ...TM 11 6625 3145 14 318 338 4434 925 318 Acquisition Module Wiring Diagram ...
Page 520: ...TM 11 6625 3145 14 318 338 4434 926 318 338 Mainframe Wiring Diagram ...
Page 521: ...TM 11 6625 3145 14 318 338 4434 926 338 Acquisition Module Wiring Diagram ...
Page 522: ...TM 11 6625 3145 14 318 338 4434 928 Figure 9 1 318 A01 Input A Board Component Locations ...
Page 526: ...TM 11 6625 3145 14 ...
Page 528: ...TM 11 6625 3145 14 Figure 9 3 318 338 A03 ACQ Control Board Component Locations ...
Page 532: ...TM 11 6625 3145 14 ...
Page 536: ...TM 11 6625 3145 14 ...
Page 538: ...TM 11 6625 3145 14 ...
Page 539: ...TM 11 6625 3145 14 ...
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Page 541: ...TM 11 6625 3145 14 ...
Page 542: ...TM 11 6625 3145 14 Figure 9 8 318 338 A10 CRT Board Component Locations ...
Page 544: ...TM 11 6625 3145 14 Figure 9 9 318 338 A11 Inverter Board component Locations ...
Page 546: ...TM 11 6625 3145 14 Figure 9 10 318 338 A12 Regulator Board Component Locations ...
Page 551: ...TM 11 6625 3145 14 Figure 9 12 338 A01 Input A Board Component Locations ...
Page 553: ...TM 11 6625 3145 14 318 338 SERVICE ...
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Page 555: ...PIN 058584 ...