Sony HCD-MDX10 Service Manual - Page 27
Electrical Adjustments, Md Parts Replacement And Adjustment
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SECTION 7 ELECTRICAL ADJUSTMENTS MD SECTION 7-1. PARTS REPLACEMENT AND ADJUSTMENT • Check and adjust the MDM and MBU as follows. The procedure changes according to the part replaced • Temperature compensation offset check • Laser power check • Traverse check • Focus bias check • C PLAY check • Self-recording/playback check OK • Abbreviation OP : Optical pick-up OWH: Overwrite head NG Parts Replacement and Repair Check the sleding and spindle mechanisms. Other causes can be suspected. Has the OWH been replaced? YES NO Has OP, IC171, IC101, or IC121 been replaced? YES Initial setting of the adjustment value Has OP or IC171 been replaced? NO NO YES IOP information recording (IOP value labeled on OP) Has IC171 or D101 been replaced? YES NO Temperature compensation offset adjustment • Laser power adjustment • Traverse adjustment • Focus bias adjustment • Error rate adjustment • Focus bias check • Auto gain adjustment - 27 -