SEGMENT 1

TM 11-6625-3081-23 7-7. AUTOMATIC FOCUS CONTROL ASSEMBLY 2A1A2A12 7 -7 INPUT CODE: DCFOCUS (cont) c . SEGMENT 1 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. 2A1 13082800-59 DAYSIDE TEST BENCH 2 . CORRECTIVE ACTION - SEGMENT 1 (a) (b) (c) (d) Remove Digital Output CCA 2A2A6XX. Check contacts of mating connectors and repair if required. Install replacement 2A2A6XX 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 Digital Input CCA 2A2A6XX. Check contacts of mating connectors and repair if required. Install replacement 2A2A6XX 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 Stepper Motor CCA No. 1 2A2A7A6A1. Check contacts of mating connectors and repair if required. Install replacement 2A2A7A6A1 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 Stepper Motor CCA No. 2 2A2A7A6A2. Check contacts of mating connectors and repair if required. Install replacement 2A2A7A6A2 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. 7-36