TM 11-6625-3081-23
7-18. FILTER AND DETECTOR ASSEMBLY 2A1A1A14
7 - 1 8
INPUT CODE: OAFOCUS (cont)
c. OPTICAL SIGNAL ANALYZER FOCUS 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 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. 2A1A1A14A1
13083919-19
FILTER BRACKET (SENSOR A)
7. 2A1A1
13082799-29
O.S.A.
2. CORRECTIVE ACTION - OAFOCUS
(a) Remove Digital Output CCA 2A2A6XX (slot 407). Check contacts of mating
connectors and repair if required. Install replacement 2A2A6XX and
perform OAFOCUS test. If OAFOCUS test passes, no further action
required. If OAFOCUS test fails, proceed to (b).
(b) Remove Digital Input CCA 2A2A6XX (slot 401). Check contacts of mating
connectors and repair if required. Install replacement 2A2A6XX and
perform OAFOCUS test. If OAFOCUS test passes, no further action
required. If OAFOCUS test fails, proceed to (c).
(c) Remove Stepper Motor CCA NO. 1 2A2A7A6A1. Check contacts of mating
connectors and repair if required. Install replacement 2A2A7A6A1 and
perform OAFOCUS test. If OAFOCUS test passes, no further action
required. If OAFOCUS test fails, proceed to (d).
(d) Remove Stepper Motor CCA NO. 2 2A2A7A6A2. Check contacts of mating
connectors and repair if required. Install replacement 2A2A7A6A2 and
perform OAFOCUS test. If OAFOCUS test passes, no further action
required. If OAFOCUS test fails, proceed to (e).
7-91
