6. ADJUSTMENT
JIGS AND MEASURING INSTRUMENTS
Thermometer
Oscilloscope
Optical Power Meter
Jitter Meter
6.1 NECESSARY ADJUSTMENT POINTS
When
Exchange
PICKUP
Exchange
Servo Base Assy (SPINDLE MOTOR)
Exchange
CORE MAIN UNIT ASSY
Exchange
MD HEAD
Exchange
Loading Mechanism Assy
Exchange
Servo Mechanism Assy
Exchange
MD Mechanism Assy
(Loading Mechanism Assy +
Servo Mechanism Assy)
Test Disc
For servo system adjustment ............................................. GGF1328 (MMD-212)
For recording/playback inspection ................... GGF1328 (MMD-212), GGF1277,
MJ-D707, MJ-17D
TGYS1 (or MMD-110), Commercial discs
Adjustment points
= Page 44, 45
3 , 4
= Page 44, 45
3 , 4
= Page 44, 45
4
= Page 44, 45
3 , 4
= Page 44, 45
3 , 4
41