TM 11-6625-3081-23
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VIDEO SIGNAL GENERATOR (VSG) CASE ASSEMBLY 2A2A7A1
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INPUT CODE:
VSGST (cont)
c. SEGMENT 1
1. VDT DISPLAY
PERFORM THE FOLLOWING REPLACE ACTIONS IN THE ORDER
TM 11-6625-3081-23 FOR REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
LISTED.
(REFERENCE
1. 2A2A7A6A8
13083050-19
PULSE GENERATOR CCA #1
2. 2A2A7A6A9
13081467-19
PULSE GENERATOR CCA #2
3. 2A2A6XX
HP69331B
DIGITAL OUTPUT CCA (SLOT 406)
4. 2A2A7A6A7
13082714
BUS MUX CCA
5. 2A2A6
13081880
MULTIPROGRAMMER
2. CORRECTIVE ACTION - SEGMENT 1
(a) Remove Pulse Generator CCA #1 2A2A7A6A8.
Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A8 and
perform VSGST test.
If VSGST test passes, no further action required.
If this segment displayed again, proceed to (b). If another segment
displayed, proceed to that segment and continue troubleshooting.
(b) Remove Pulse Generator CCA #2 2A2A7A6A9. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A9 and
perform VSGST test.
If VSGST test passes, no further action required.
If this segment displayed again, proceed to (c). If another segment
displayed, proceed to that segment and continue troubleshooting.
(c) Remove Digital Output CCA 2A2A6XX (slot 406). Check contacts of mating
connectors and repair if required.
Install replacement 2A2A6XX and
perform VSGST test.
If VSGST test passes, no further action required.
If this segment displayed again, proceed to (d). If another segment
displayed, proceed to that segment and continue troubleshooting.
(d) Remove BUS MUX CCA 2A2A7A6A7.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A7A6A7 and perform VSGST
test.
If VSGST test passes, no further action required.
If this
segment displayed again, proceed to (e). If another segment displayed,
proceed to that segment and continue troubleshooting.
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