Panasonic SA-PM65MD Service Manual page 110

OPTICAL PICKUP CIRCUIT
6
8
11
LASER DIODE
12
10
NBOUT
5 1 5
GND
4 2 GND 6
VCC
9
3
NAOUT 7
BIN
4 VREF 8
2 AIN
3
SCHEMATIC DIAGRAM-7
CD SERVO CIRCUIT
Q701
2SA1037AKSTX
LASER POWER DRIVE
CN701
VCC
1 1
Q701
PDF
2 2
PDE
3 3
R754
LD
4 4
5.6
LD GND
5 5
GND
6 6
NB
7 7
GND(GUARD) C713
8 8
0.1
NA
9
9
VREF
10 10
LPD
11 11
GND(GUARD)
12 12
T-
D4+
13 13 G
T+
D4-
14 14
H
F- D3+
15 15
F+
D3-
I
16 16
J
J I
15 16
C735
0.1
C734
10V220
14 13
TP39
C736
0.1
M
M701
TRV MOTOR
TP36
SP MOTOR
C B
LD
A
PDF
B
PDE
C
C714
6.3V100
PDA
D
LPD
E
PDB
F
1 2
28 27
IC701
AN8839NSBE2
SERVO AMP
C712
0.1
C711
0.1
VREF
TP42 TP40
TP40
TR BAL
IC703
BA5948FPE2
H G
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
VCC
17 18 19 20 21 22 23 24 25
IC703
11 10 9 8 7 6 4
12 5
TP38
C737
TP37
0.1
M
M702
: +B signal line : CD Signal line
TJ701
RF
C703
6.3V100
C704
D F E A
0.1
3 4 5 6 7 8 9 10 11 12 13
IC701
26 25 24 23 22 21 20 19 18 17 16
C710
120P
C747
180P
R744
120K
C749
2200P
C742
0.027
TP33
TP32
TP49
VREF
26 27 28
2 1
3
C715
R729
2700P
(TR) 2.7K
R749
R727
2.7K
2.7K
(TRV GAIN) R723
R731
10K
R732
BDO
14
15
RF
K
L
M
N
O
P
Q
R
S
T
R728 (FO)
U
2.2K
V
W
X
Y
10K
Z
1K
AA