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 23 (cont)
(c) Remove Power Supply 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 (d).
If another segment displayed,
proceed to that segment and continue troubleshooting.
(d) Check cable assembly 2A1W45 and repair 2A1W45 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.
2. SEGMENT 24
1. VDT DISPLAY
HV SAMPLE READS ##.## VDC DURING ‘FIRE’ (5V CONTROL). PERFORM THE FOLLOWING
REPLACE ACTIONS IN THE ORDER LISTED.
(REFERENCE TM 11-6625-3081-23 FOR
REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A1A6TB1
13081582
HIGH V. TERMINAL BOARD ASSY.
2. 2A1A6XX
13079722
HIGH VOLTAGE CCA
3. 2A1A6XX
13079420
POWER SUPPLY
2. CORRECTIVE ACTION - SEGMENT 24
Corrective actions same as segment 23. Refer to segment 23 for
troubleshooting.
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