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OPTICAL PICKUP UNIT
PHOTO DETECTOR
VIN6(DVD/CD)
T1
VIN7(DVD/CD)
A1
A2
(CD)
A4
A3
VIN8(DVD/CD)
T2
HEAD
VIN5(DVD/CD)
AMP
B1
B2
(DVD)
B4
B3
LASER DIODE(DVD)
LASER DIODE(CD)
CLOSE SW
TRAY CLOSE
S2601
OPEN SW
TRAY OPEN
S2602
IC8001
(DV4.1)
TRSDRV
DRV0
67
114
VIN6
TRDRV
PWM1
126
115
VIN7
VIN8
116
FODRV
PWM0
127
VIN5
113
VIN9(CD)
112
VIN9
VIN10(CD)
111
VIN10
SPDRV
DRV4(SW)
DRV1
66
63
DRV4
AD1
LPC01
AD1
122
104
LPCO1
LPC1
103
LPC1
LPC02
106
LPCO2
TRAY-DRY
DRV5
62
SP MUTE
EXADR19
30
RFINN
95
RFINN
RFINP
TRVFT MUTE
96
RFINP
P2
47
64
DRV3
59
P12
TRAY_MUT
P13
60
RF SIGNAL
IC8251
(MOTOR DRIVE)
VIN2
6
-
BIAS1
+
VIN4
22
VIN5
23
VIN1
5
-
+
OPOUT
+
27
VIN3
7
-
+
BIAS2
CH1
3
MUTE
CH2,4,5
4
MUTE
MUTE3
CH3
1
MUTE
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
VO2+
12
-
+
LEVEL
VO2-
SHIFT
11
-
+
OPIN+
25
VO1+
14
-
+
LEVEL
VO1-
SHIFT
13
-
+
OPIN-
-
26
VO3+
10
-
+
LEVEL
VO3-
9
SHIFT
-
+
IC8251-15,16,17,18
4Vp-p(0.5msec./div.)
VO4+
-
17
+
LEVEL
VO4-
18
SHIFT
-
-
+
+
VO5+
15
-
+
VO5-
16
LEVEL
SHIFT
-
+
-
+
FOCUS ERROR SIGNAL
TRAVERS MOTOR
SPINDLE MOTOR
M2601
LOADING MOTOR
OPTICAL PICKUP UNIT
ACTUATOR
TRACKING
COIL
ACT T+
ACT T-
FOCUS
COIL
ACT F+
ACT F-
DVD-S1E/EB/EG
SERVO BLOCK DIAGRAM
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