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