TM 11-6625-3081-23
7-17. LASER POWER SUPPLY ASSEMBLY 2A1A6 AND LASER COVER ASSEMBLY 2A1A2A19
7-17
INPUT CODE:
LASERST (cont)
2. CORRECTIVE ACTION - SEGMENT 19 (cont)
(b) Check cable assembly 2A1W45 and repair as required.
If 2A1W45 was repaired, perform LASERST test. If LASERST test passes,
no further action required.
If LASERST test fails and CALCST, PLLBUS,
MTRXSW, ADST, DIGITST, FPSST, and PPSST tests have been performed,
repair is beyond this level of maintenance.
Next higher level of
maintenance required.
If 2A1W45 does not require repair and CALCST, PLLBUS, MTRXSW, ADST,
DIGITST, FPSST, and PPSST tests have been performed, repair is beyond
this level of maintenance.
Next higher level of maintenance required.
If another segment displayed, proceed to that segment and continue
troubleshooting.
v .
SEGMENT 20
1. VDT DISPLAY
HV SAMPLE TEST POINT READS ##.## WITH ENABLE ‘OFF’. PERFORM THE FOLLOWING
REPLACE ACTIONS IN THE ORDER LISTED.
(REFERENCE TM 11-6625-3081-23 FOR
REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A1A6XX
13079722
HIGH VOLTAGE CCA
2. 2A1A6XX
13079420
POWER SUPPLY
2 .
CORRECTIVE ACTION - SEGMENT 20
(a) Remove High Voltage CCA 2A1A6XX.
Check contacts of mating connectors
and repair if required.
Install replacement 2A1A6XX and perform
LASERST test.
If LASERST 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.
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