PD-F957,PD-F907
28
6. ADJUSTMENT
6.1 PREPARATIONS
6.1.1 Jigs and Measuring Instruments
6.1.2 Necessary Adjustment Points
When
Adjustment points
Exchange
PICKUP
Exchange
MAIN BOARD ASSY
Exchange
SERVO MECH ASSY
Exchange
SPINDLE MOTOR
1.2.3.4.5.6.7.
8.9.10.11.12
ADJ
=
Page 9
CD TEST DISC
(YEDS-7)
8 Cm DISC
(With at last about 20
minutes recording)
screwdriver
(small)
Precise
screwdriver
screwdriver
(medium)
screwdriver
(large)
39 k
Ω
0.001
µ
F
Low-frequency
oscillator
Dual-trace
oscilloscope
(10 : 1 probe)
Low pass filter
1
(39 k
Ω
+ 0.001
µ
F)
56 k
Ω
0.001
µ
F
Low pass filter
2
(56 k
Ω
+ 0.001
µ
F)
Ball point hexagon wrench
(size: 1.5mm)
GGK1002
=
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1.3.5.6.7.8.
9.10.11.12
1.2.3.4.5.6.7.
8.9.10.11.12
=
Page 30 - 35
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Page 30 - 35