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CD OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q701
LASER
POWER
DRIVE
+B
+B
PHOTO DETECTOR
E
E
D
C
B
A
D
C
F
F
F+
FOCUS COIL
F-
T+
TRACKING COIL
T-
TRV+
M701
M
TRAVERSE
MOTOR
TRV-
SP+
M702
M
SPINDLE
MOTOR
SP-
IC701
AN8885SBE1
SERVO AMP
6
LPD
RFEQ1
7
LD
RFEQ2
PDA
4
AMP
5
PDB
AMP
PDE
1
AMP
2
PDF
AMP
BAND
GAP
13
16
D3-
15
-
+
[CH3]
LEVEL
SHIFT
D3+
16
+
-
17
D4-
-
+
LEVEL
[CH4]
SHIFT
18
D4+
+
-
14
D2+
-
+
LEVEL
[CH2]
SHIFT
13
D2-
+
-
12
D1+
-
+
LEVEL
[CH1]
SHIFT
11
D1-
+
-
IC703
BA5948FPE2
FOCUS COIL/TRACKING
COIL/TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
8
9
18
RF
DEFLVL
RF IN
NRF
DET.
GCA
BCA
GCA
BCA
GCA
BCA
GCA
BCA
Vcc
21
20
27
28
26
VREF
+B
28
IN3
-
+
27
IN4
-
+
IN2
1
-
+
3
IN1
-
+
4
PC1
MUTE
[CH1]
PC2
2
MUTE
[CH2]
+B
+B
10
11
CEA
CSBRT
ENV
19
OFTR
3TENV
17
OFTR
BDO
12
BDO
15
/RFDET
FEN
25
FE OUT
SUBTRA-
24
CTOR
VREF
TEN
22
SUBTRA-
TE OUT
23
CTOR
VREF
VREF
26
ENV
OFT
BDO
/RFDET
FE
TE
+B
FOD
TRD
LOADING
TVD
ECS
ECM
PC
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