14.3. SERVO BLOCK DIAGRAM
-
+
-
+
-
+
+
-
-
+
-
+
-
+
-
+
SHIFT
LEVEL
-
+
+
-
+
-
+
-
SHIFT
LEVEL
-
+
-
+
+
-
SHIFT
LEVEL
-
+
+
-
TRAVERSE MOTOR
M+5.5V
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
IN4
IN2
IN1
TRVDRV
FODRV
TRDRV
VO2R
VO2F
VO1R
VO1F
VO4R
VO4F
DC2
DC1
67
43
9
8
6
5
33
32
46
44
(MOTOR DRIVE)
IC2601
FO-
FO+
TR-
TR+
OPTICAL PICK UP UNIT
ACTUATOR
COIL
FOCUS
COIL
TRACKING
RFINN
RFINP
SPDRV
DRV1
FG
FG
DQM2
VHALF
VHALF
TRV-SW+
LASER DIODE
Q5202,Q5215
LD DRIVE
VREFH
LPCO1
LPC1
LPCO2
LPC2
VIN4
VIN3
VIN2
PWM1
PWM0
DRV0
VIN1
VIN8
VIN7
VIN6
VIN5
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B3
B4
B2
B1
A3
A2
A4
A1
LASER DIODE
DVDLD+
CDLD+
AMP
HEAD
Q5201,Q5211
LD DRIVE
113
(DV5.0)
IC3001
SPINDLE MOTOR UNIT
114
115
116
120
119
117
118
109
104
103
106
105
191
110
127
126
DVD-LS80P/80PC/82P/82PC/850P
SERVO BLOCK DIAGRAM
30
DRIVER
W
A3
V
A2
U
A1
HUP
H1+
HUN
H1-
HVP
H2+
HVN
H2-
H3+
INSP
VREF
71
HWN
H3+
H3-
GAIN
CONTROL
HALL AMP
TORQUE
SENS AMP
CURRENT
SENSE AMP
D
R
CK
Q
Q
27
26
17
HALL1
HALL2
HALL3
TRAVERSE SW
18
19
48
RNF1
RNF2
25
29
66
95
96
1
37
20
21
22
VCC
TSD
TL
6.4Vp-p(5usec/div)
IC2601-5,6,8,9
3.2Vp-p(1msec/div)
IC2601-1
DVD-LS80P / DVD-LS80PC / DVD-LS82P / DVD-LS82PC / DVD-LS850P
39
Summary of Contents for DVD-LS80P
Page 11: ...8 1 Disassembly 11 DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P ...
Page 36: ...36 DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P ...
Page 42: ...DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P 42 ...
Page 58: ...DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P 58 ...
Page 60: ...18 2 Mechanism Section Exploded View 60 DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P ...
Page 62: ...62 DVD LS80P DVD LS80PC DVD LS82P DVD LS82PC DVD LS850P ...