TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
13. Adjust the corresponding jumper to place the rising or falling edge (indicated by
↑
or
↓
in Table 5-16) of the
channel 2 waveform within one division of the graticule centered on the rising edge of the channel 1
waveform.
14. Press the STOP key.
15. Turn off the 338.
16. Dismount the A03 ACQ Control board and the A04 ACQ Memory board from the Extender boards.
17.
Remove the Extender boards from slots A03 and A04.
18. Install the A03 ACQ Control board and the A04 ACQ Memory board into slots A03 and A04 respectively.
19. Turn on the 338.
Table 5-16
338 CLOCK DELAY WITH EXTENDER
Delay
Clock
Ch 2 Edge
(ns)
Test Point
Jumper
RET CLK
↑
47.60 + 1.00
TP400 (A03)
J200(A03)
WE
↓
55.40 + 1.00
TP200-2(A04)
J300(A03)
TRIG CLK
↑
68.10 1.00
TP500 (A03)
J400(A03)
Capacitor Adjustment
1. Refer to Figures 5-52 and 5-53. Set EXT CLK Threshold to V3 (0.00 V).
2. Set CLK to EXT
↑
.
3. Set the Events field to: 00000*WA OFF:WB OFF:WC. This will cause the 338 to acquire data without
triggering.
4. Press the START key.
5. Repeat the following procedures, (6) through (8), to adjust each clock delay and/or width as shown in Table 5-
6. Connect the oscilloscope channel 2 probe tip to the corresponding test point given in Table 5-17.
7. Turn delta-TIME clockwise to obtain the delta-T reading of the clock delay being adjusted in Table 5-17.
8. Adjust the corresponding capacitor to place the rising or falling edge (indicated by a
↑
or
↓
in Table 5-17) of the
channel 2 waveform within one division of the graticule centered on the rising edge of the channel 1
waveform.
9. Press the STOP key.
10. Remove the oscilloscope test leads from the test points.
5-92
Содержание 318
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Страница 182: ...338 VERIFICATION AND ADJUSTMENT PROCEDURES ...
Страница 253: ...318 ___________________ TROUBLESHOOTING TREES ...
Страница 269: ...TM 11 6625 3145 14 Maintenance Troubleshooting 318 338 Service Figure 7 7 318 Word recognizer test ...
Страница 278: ...TM 11 6625 3145 14 Maintenance Troubleshooting 31 8 338 Service Figure 7 10 318 N and DELAY counter test 7 25 ...
Страница 313: ...TM 11 6625 3145 14 Figure 7 19 Troubleshooting Tree 8 Data Acquisition ACQ A01 A02 Sheet 4 of 6 7 60 ...
Страница 344: ...338 TROUBLESHOOTING TREES ...
Страница 362: ...TM 11 6625 3145 14 Maintenance Troubleshooting 318 338 Service 4434 567 Figure 7 39 338 Word recognizer test 7 109 ...
Страница 371: ...TM 11 6625 3145 14 Maintenance Troubleshooting 318 338 Service 4434490 Figure 7 42 338 N and DELAY counter test 7 118 ...
Страница 421: ...TM 11 6625 3145 14 Maintenance Troubleshooting 318 338 Service Figure 7 55 Troubleshooting Tree 12 T H A01 A02 7 169 ...
Страница 517: ...TM 11 6625 3145 14 318 338 4434 923 318 Block Diagram ...
Страница 518: ...TM 11 6625 3145 14 318 338 4434 924 338 Block Diagram ...
Страница 519: ...TM 11 6625 3145 14 318 338 4434 925 318 Acquisition Module Wiring Diagram ...
Страница 520: ...TM 11 6625 3145 14 318 338 4434 926 318 338 Mainframe Wiring Diagram ...
Страница 521: ...TM 11 6625 3145 14 318 338 4434 926 338 Acquisition Module Wiring Diagram ...
Страница 522: ...TM 11 6625 3145 14 318 338 4434 928 Figure 9 1 318 A01 Input A Board Component Locations ...
Страница 526: ...TM 11 6625 3145 14 ...
Страница 528: ...TM 11 6625 3145 14 Figure 9 3 318 338 A03 ACQ Control Board Component Locations ...
Страница 532: ...TM 11 6625 3145 14 ...
Страница 536: ...TM 11 6625 3145 14 ...
Страница 538: ...TM 11 6625 3145 14 ...
Страница 539: ...TM 11 6625 3145 14 ...
Страница 540: ...TM 11 6625 3145 14 ...
Страница 541: ...TM 11 6625 3145 14 ...
Страница 542: ...TM 11 6625 3145 14 Figure 9 8 318 338 A10 CRT Board Component Locations ...
Страница 544: ...TM 11 6625 3145 14 Figure 9 9 318 338 A11 Inverter Board component Locations ...
Страница 546: ...TM 11 6625 3145 14 Figure 9 10 318 338 A12 Regulator Board Component Locations ...
Страница 548: ...TN 11 6625 3145 14 Figure 9 11 318S1 338S1 A07 Serial RS232 Non Volatile Memory Board Component Locations ...
Страница 551: ...TM 11 6625 3145 14 Figure 9 12 338 A01 Input A Board Component Locations ...
Страница 553: ...TM 11 6625 3145 14 318 338 SERVICE ...
Страница 554: ......
Страница 555: ...PIN 058584 ...