PD-F1007
34
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
SPINDLE MOTOR
1.2.3.4.5.6.7.8.
9.10.11.12.13
ADJ
=
Page 8
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
Digital multi meter
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
=
Page 36 - 43
2.4.6.7.8.9.
10.11.12.13
=
Page 38 - 43
Exchange
SERVO MECH ASSY
1.2.3.4.5.6.7.8.
9.10.11.12.13
=
Page 36 - 43
Remove
FRONT PANEL ASSY
1.
=
Page 36 - 37
1.
=
Page 36 - 37
V+B
V-B
0.01
0.01
+
+
–
+
33/16
22k
470k
470
INPUT
from TP601
(VOLUME BOARD ASSY)
33/16
47
SW
0.1
0.1
CQM or CFTX
OUTPUT
Jig
(Peak hold circuit)
M5238(2/2)
M5238(1/2)
(Peak hold OUT)
+
–