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TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
Figure 5-41. 338 Parallel data acquisition check setup.
2.
20 MHz Acquisition
a.
Repeat steps (b) through (d), below, for each Pod (A through D). Change probe connections and SETUP Menu
accordingly.
b.
Set CLK to 50 ns, and set the trigger position to DELAY 00250.
c.
Press the START key.
d.
Check that the data acquired for each Pod contains about 200 words of 81 he,, starting at position 0, and that the
rest of the words are all 80
hex
.
3.
EXT TRIGGER Check
a.
Refer to Figure 5-42. Power up the 338 and connect the data leads of the P6451 Parallel Data probe in Pod A to
TEST OUTPUT as follows:
P6451 Channel
TEST OUTPUT
G
G
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
Not Connected
Q
Not Connected
b.
Connect TRIG INPUT on the right side panel to TEST OUTPUT-7. A second lead set and a #22-gauge wire strap
may be used, by connecting one lead to OUTPUT-7 and then inserting wire between the comb lead’s end and the
TRIG INPUT jack. Oversize wire will damage the connectors.
5-69
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 ...
Page 540: ...TM 11 6625 3145 14 ...
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 ...
Page 554: ......
Page 555: ...PIN 058584 ...