TM 11-6625-3145-14
Verification and Adjustment Procedures-318/338 Service
2.
Press the DATA key until the State Table is displayed.
3.
Press the START key.
4.
Set the DATA State Table submenu to SRCH GLITCH mode and check that the Trigger location, and all data after
the Trigger location, are displayed in inverse video (SRCH = 1/249, data = 00).
5.
Press the 338 TRIGGER key, select the next GLITCH channel, one channel at a time, and re- peat steps (2) through
(4) until channels 0 through 7 have been tested.
NEGATIVE GLITCH
1.
Set the pulse generators according to Table 5-25 and Figure 5-64.
2.
Follow the same procedure as in the Positive Glitch; select the State Table, press START, check for Glitch Data,
select the next channel, and repeat until all channels have been tested. (SRCH = 1/249, data= FF).
Figure 5-64. 338 Glitch data acquisition test waveform
#2.
Table 5-25
338 NEGATIVE GLITCH PULSE GENERATOR SETUP
Pulse Generator
#1
#2
Termination
BACK TERM
BACK TERM
OUTPUT
NORM
COMPLEMENT
PERIOD
50 ns
EXT TRIG
DURATION
25 ns
5 ns @ -0.35 V level
HIGH level
+0.35 V
+0.50 V
LOW level
-0.35 V
-0.50 V
NOTE:
HIGH level, LOW level and DURATION adjustments
interreact and require readjustment.
TEST 4 - START OUTPUT AND TRIGGER OUTPUT
Equipment Required
2 Patch Cord, 2 inches long, 012-0200-00
1.
Connect Pod A and Pod B GND leads to GND mini-jack, located on the right-side panel, using a Patch Cord and
Grabber Tips.
2.
Connect Pod A and Pod B channel 0 leads to the START OUTPUT mini-jack using another Patch Cord and Grabber
Tips.
5-114
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 ...
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Page 528: ...TM 11 6625 3145 14 Figure 9 3 318 338 A03 ACQ Control Board Component Locations ...
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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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