Table of Contents
Advertisement
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
A4
A3
HEAD
AMP
B4
B3
LASER DIODE
Q5111, Q5221
LASER DIODE
Q5121, Q5122
IC3001
(DV1)
VIN5
122
TRSDRV
70
VIN6
123
VIN7
124
TRDRV
150
VIN8
125
VIN1
126
FODRV
152
VIN2
127
VIN3
128
SPDRV
71
VIN4
129
VIN9
130
AD0
148
VIN10
131
LD DRIVE
133
FROM
IC6001-41,42PIN
132
LD DRIVE
135
134
MUTE3
74
RFINN
120
MUTE12
78
RFINP
121
RF SIGNAL
IC2501
(MOTOR DRIVE)
TRIN
26
-
BIAS1
+
VIN1
2
VIN2
3
VIN3
23
OPOUT
+
6
-
-
LDIN
+
24
BIAS2
CH3
27
MUTE
CH1,2
9
MUTE
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
VO4+
15
-
+
LEVEL
VO4-
SHIFT
16
-
+
OPIN+
4
VO3+
17
-
+
LEVEL
VO3-
SHIFT
18
-
+
OPIN-
5
IC2511-11,12,13,14
1.2Vp-p(0.5usec./div.)
-
VO1+
+
14
LEVEL
VO1-
SHIFT
13
-
-
+
+
VO2+
12
VO2-
-
11
+
LEVEL
SHIFT
-
-
+
+
LD CNT
CNT
28
MUTE4
CH4
20
MUTE
DVD-S35GCS/GCU/GC/GCA/GD/EE/GN/PL/PLA/PX
SERVO BLOCK DIAGRAM
FOCUS ERROR SIGNAL
M2602
TRAVERS MOTOR
M2601
SPINDLE MOTOR
OPTICAL PICK UP UNIT
ACTUATOR
FOCUS
COIL
ACT T+
ACT T-
TRACKING
COIL
ACT F+
ACT F-
IC6001
(OPERATION CPU)
TRAY/TRV
40
TRAY/MUT
39
TRAY CLOSE
56
SW2501
TRAY OPEN
FROM
55
MECHA UNIT
Advertisement
Table of Contents
