Panasonic SJ-MJ55GH, Service Manual

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6. Measurements and Adjustments
Note:
After replacing the main components (optical pickup, traverse motor, IC201, IC202 or P.C.B.
ass’y, etc.) of mechanism unit block, change to the adjust mode, and then perform the “Laser
power adjustment”, “Off-setautomatic adjustment” and “Playback-only disc/magneto-optical
disc automatic adjustment”.
6.1. Instruments to prepare
1. Playback-only disc (Test disc RFKV0006)
2. Commercially available recordable disc (fully recorded with
music) (magneto-optical disc)
3. Laser power meter (LE8010 or compatible meter)
4. Remote controller (Parts No: N2QCBD000020) [or Remote
controller of SJ-MJ88 etc. (Parts No: RFEV025P-SM)]
6.2. Laser power adjustment, Off-set automatic adjustment, Playback
-only disc/magneto-optical disc automatic adjustment magnet
6.2.1. Enter the adjustment mode
Note:
For use of MD cartridge type laser power meter, disassemble this unit into the state of only the
mechanism unit before perform the laser power adjustment (as for the method of disassembly,
refer to “5.2. Replacement for the intermediatecabinet”).