Replacement Battery for AM-F65, AM-F70 , AM-F72, AM-F75 and AM-F80 * Aiwa LIB-902 (67.5 x 18/19 x 10.5 mm) ...
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Service Technical Information
AM -F5 / F7 / F70 / F65
Adjustment procedures of OWH(Over Write Head) position
REF.No. :G - 99 - 049 - E0 DATE :02. NOV. 1999
The unit become incapable of playing back recorded disc due to off alignment of HLDR,PU position. Take the following countermeasure the OWH position. Adjust the head alignment of OWH by following the steps below: 1. Connect an oscilloscope unit to the "RF" test point. 2. Loosen the two screws on HLDR,PU. 3. Insert an MO disc and operate the system in REC mode. 4. Adjust position of OWH so that RF waveform becomes max and clearest, and then re-tighten the screws. In REC mode operation, the unit reads and writes alternately (intermittent operations). RF waveform can be verified during data reading operation. 5. Verify recording and playback error rate (Refer to S/M for details). a. Activate test mode. b. Place HOLD SW to OFF position and then insert an MO disc. c. Press F SKIP to move pickup toward the ...