Block Diagram - Panasonic SA-VK31GC Service Manual

SA-VK31GC / SA-VK31GS

17 Block Diagram

OPTICAL PICKUP
SEMICONDUCTOR
LASER
B
PHOTO DETECTOR
E E E E
D E E C
E A E B
D E C E
E F E F
F-
FOCUS
COIL
F+
T-
TRACKING
COIL
T+
1
LPD
Q7601
LASER 2
POWER LD
DRIVE
B
32
A
31
C
30
B
29
D
27
E
28
F
IC7003
AN8739SBTE2
FOCUS COIL/TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
18 D4+
17 D4-
16 D3+
15 D3-
12 D1+
TRAVERSE
M
MOTOR
11 D1-
14 D2+
SPINDLE
M
MOTOR 13 D2-
B
5 6 3 9 8
IC7001
AN22004A-NF
SERVO AMP
16 24
26 25
/RST
RESET
SIGNAL
GENERATOR
FOCUS
IN4
COIL
DRIVE
TRACKING
IN3
COIL
DRIVE
TRAVERSE
IN1
MOTOR
DRIVE
SPINDLE
IN2
MOTOR
DRIVE
MUTE
PC2
[CH2]
44
13
14
10
ENV(3TOUT)
15
/RFDET
22
FEN
23
FEOUT
20
TEN
21
TEOUT
4
18 19
B
1
25
26
6
3
4
ENV
/RFDET
FE
TE
FOD
TRD
TVD
ECM
ECS
PC