TM 11-6625-3081-23
7-20. OSA 2A1A1 - SHUTTER
7 - 20
INPUT CODE:
OSADAS (cont)
c .
OPTICAL SIGNAL ANALYZER SHUTTER FAILURE
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. 2A2A6XX
HP69331B
DIGITAL OUTPUT CCA (SLOT 409)
2. 2A2A6XX
13083412
DIGITAL INPUT CCA (SLOT 403)
3. 2A2A7A4
13081572
RELAY ASSY.
4. 2A1A1A7XX
1-176-257
SHUTTER ASSY.
5. 2A1A1A11
13081425-19
SWITCH ASSY.
6. 2A1A1A2XX
13083921
FILTER BRACKET (A1, A2)
2. CORRECTIVE ACTION - OSADAS
(a) Remove Digital Output CCA 2A2A6XX (slot 409). Check contacts of mating
connectors and repair if required.
Install replacement 2A2A6XX and
perform OSADAS test.
If OSADAS test passes, no further action
required.
If OSADAS test fails, proceed to (b).
(b) Remove Digital Input CCA 2A2A6XX (slot 403). Check contacts of mating
connectors and repair if required.
Install replacement 2A2A6XX and
perform OSADAS test.
If OSADAS test passes, no further action
required.
If OSADAS test fails, proceed to (c).
(c) Remove Relay Assembly 2A2A7A4.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A7A4 and perform OSADAS
test.
If OSADAS test passes, no further action required.
If OSADAS
test fails, proceed to (d).
(d) Remove Shutter Assembly 2A1A1A7XX.
Check contacts of mating connectors
and repair if required.
Install replacement 2A1A1A7XX and perform
OSADAS test.
If OSADAS test passes, no further action required. If
OSADAS test fails, proceed to (e).
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