15.3. SERVO BLOCK DIAGRAM
M+5.5V
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
IN2
IN1
CNF1
TRVDRV
FODRV
TRDRV
67
42
45
43
(MOTOR DRIVE)
IC2601
RFINN
RFINP
SPDRV
DRV1
FG
FG
P13
VHALF
VHALF
LASER DIODE
Q5202,Q5215
LD DRIVE
VREFH
LPCO1
LPC1
LPCO2
LPC2
LPCO2
LPC2
VIN4
VIN3
VIN2
PWM1
PWM0
DRV0
VIN1
VIN8
VIN7
VIN6
VIN5
RFINN
RFINP
VREFH
LPCO1
LPC1
VIN4
VIN3
VIN2
VIN1
VIN8
VIN7
VIN6
VIN5
OPTICAL PICK UP UNIT
LASER DIODE
DVDLD+
CDLD+
Q5201,Q5211
LD DRIVE
113
(DV5.0)
IC3001
114
115
116
120
119
117
118
109
104
103
106
105
110
127
126
SERVO BLOCK DIAGRAM
W
A1
V
A2
U
A3
INSP
VREF
71
47
29
25
66
95
96
48
36
+
-
LOGIC
Driver
Pre
MOS
POWER
VO2R
VO2F
VO1R
VO1F
10
9
7
6
FO-
FO+
TR-
TR+
OPTICAL PICK UP UNIT
ACTUATOR
COIL
FOCUS
COIL
TRACKING
+
-
LOGIC
Driver
Pre
MOS
POWER
amp
NF
amp
NF
41
CNF2
40
IN4
VO4R
PVCC1
VO4F
32
31
+
-
LOGIC
Driver
Pre
MOS
POWER
amp
NF
CNF4
TRAVERSE MOTOR
DC2
DC1
38
+
-
+
-
DETECTER
BEMP
LOGIC
Driver
Pre
MOS
POWER
26
SPINDLE MOTOR UNIT
COM
21
OSC
OSC
COUT
19
CCOM
RNF1
RNF2
20
19
20
LIMIT
24
28
STBY/BMSW
4
5
DRV-MUTE
CTL1
CTL2
P4 49
M+5.5V
11
PVCC3
M+5.5V
33
PGND1
8
PGND3
30
DVD-L
60
Q5221
6.4Vp-p(5usec/div)
IC2601-6,7,9,10
f3
f2
f4
f1
F2
F1
C
B
D
A
E2
E1
c
b
d
a
e3
e2
e4
e1
AMP
HEAD
DVD
CD
DVD-LS835EE
DVD-LS86EB/EE/EG
DVD-LS83E/EB/EE/EG
FG
IC2601-48
DVD-LS83E / DVD-LS83EB / DVD-LS83EE / DVD-LS83EG / DVD-LS835EE / DVD-LS86EB / DVD-LS86EE / DVD-LS86EG
47