TM 11-6625-3081-23
7-13. FILTER WHEEL/MOTOR ASSEMBLY (VARIABLE FILTER) 2A1A2A10
7 - 13
INPUT CODE:
DCVARF (cont)
c .
SEGMENT 1
1. VDT DISPLAY
PERFORM THE FOLLOWING REPLACE ACTION IN THE ORDER LISTED. (REFERENCE
TM 11-6625-3081-23 FOR REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A2A6XX
HP69331B
DIGITAL OUTPUT CCA (SLOT 407)
2. 2A2A6XX
13083412
DIGITAL INPUT CCA (SLOT 401)
3. 2A2A7A6A1
13082741
STEPPER MOTOR CCA No. 1
4. 2A2A7A6A2
13082735
STEPPER MOTOR CCA No. 2
5. 2A2A7A6A3
13082732
STEPPER MOTOR CCA No. 3
6. 2A1A2A1OA2W53
13082263-49
CABLE ASSY. W53 (OPTICAL SENSOR)
7. 2A1
13082800-59
DAYSIDE TEST BENCH
2. CORRECTIVE ACTION - SEGMENT 1
(a) Remove Digital Output 2A2A6XX.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A6XX and perform DCVARF
test.
If DCVARF 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 Digital Input 2A2A6XX.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A6XX and perform DCVARF
test.
If DCVARF 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 Stepper Motor CCA No. 1 2A2A7A6A1. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A1 and
perform DCVARF test.
If DCVARF 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 Stepper Motor CCA No. 2 2A2A7A6A2. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A2 and
perform DCVARF test.
If DCVARF 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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