TM 11-6625-3081-23
7-7. AUTOMATIC FOCUS CONTROL ASSEMBLY 2A1A2A12
7 -7
INPUT CODE:
DCFOCUS (cont)
e. SEGMENT 3
1. VDT DISPLAY
PERFORM THE FOLLOWING REPLACE ACTIONS IN THE ORDER LISTED. (REFERENCE
TM 11-6625-3081-23 FOR REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A2A7A6A4
13082738
TEMP. MONITOR CCA
2. 2A2A13XX
AC4720
DIFF. INPUT CCA (J4)
3. 2A2A13
13081746
A/D CONVERTER
4. 2A1A2XX
13081588-49
CIRCUIT & HEATSINK (W55 SENSOR)
5. 2A1
13082800-59
DAYSIDE TEST BENCH
2. CORRECTIVE ACTION - SEGMENT 3
(a)
(b)
(c)
(d)
Remove Temperature Monitor CCA 2A2A7A6A4. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A4 and
perform DCFOCUS test.
If DCFOCUS 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.
Remove Differential Input CCA 2A2A13XX. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A13XX and
perform DCFOCUS test.
If DCFOCUS 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.
Remove A/D Converter 2A2A13.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A13 and perform DCFOCUS
test.
If DCFOCUS 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.
Remove Circuit & Heatsink (W55 Sensor) 2A1A2XX. Check contacts of
mating connectors and repair if required.
Install replacement
2A1A2XX and perform DCFOCUS test. If DCFOCUS 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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