14.3. SERVO BLOCK DIAGRAM
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
DVD-S325E/EG
SERVO BLOCK DIAGRAM
BIAS1
BIAS2
MUTE
CH1
MUTE
CH3
MUTE
CH2,4,5
-
+
SHIFT
LEVEL
-
+
+
-
+
-
SHIFT
LEVEL
-
+
-
+
+
-
SHIFT
LEVEL
-
+
+
-
+
-
+
-
SHIFT
LEVEL
-
+
+
-
+
-
OPIN-
OPIN+
SPINDLE MOTOR
TRAVERSE MOTOR
VIN3
S2601
CLOSE SW
OPEN_SW
CLOSE_SW
OPOUT
AD1
4Vp-p(0.5msec./div.)
IC8251-15,16,17,18
VIN1
VIN5
VIN4
VIN2
TRVFTMUTE
TRAY_DRY
SPMUTE
SPDRV
FODRV
TRDRV
TRSDRV
MUTE3
VO5-
VO5+
VO4-
VO4+
VO1-
VO1+
VO2-
VO2+
TRAY_MUT
SHIFT
LEVEL
-
+
+
-
LOADING MOTOR
M2601
VO3-
VO3+
(MOTOR DRIVE)
IC8251
ACT F-
ACT F+
ACT T-
ACT T+
OPTICAL PICKUP UNIT
ACTUATOR
COIL
TRACKING
COIL
FOCUS
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
(DV5.0)
IC8001
S2602
OPEN SW
62
63
46
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
DVD-S325E / DVD-S325EG
37
Summary of Contents for DVD-S325E
Page 25: ...25 DVD S325E DVD S325EG ...
Page 26: ...26 DVD S325E DVD S325EG ...
Page 34: ...DVD S325E DVD S325EG 34 ...
Page 38: ...14 4 VIDEO BLOCK DIAGRAM DVD S325E DVD S325EG 38 ...
Page 54: ...DVD S325E DVD S325EG 54 ...
Page 55: ...18 EXPLODED VIEWS 18 1 CASING PARTS MECHANISM SECTION EXPLODED VIEW 55 DVD S325E DVD S325EG ...
Page 56: ...18 2 MECHANISM SECTION EXPLODED VIEW 56 DVD S325E DVD S325EG ...
Page 57: ...18 3 PACKING ACCESSORIES SECTION EXPLODED VIEW 57 DVD S325E DVD S325EG ...