Panasonic SL-CT570 Manual page 59

OPTICAL PICKUP
Semiconductor
laser
Q201
Laser
power
cont.
+B4
Photo detector
E E
D
C
A
B
D
C
F F
Focus coil
F+
F-
Tracking coil
T+
T-
M
TRAVERSE
MOTOR
17 11
16 VM FG
+B2 Vcc
10
GND
EX-OR
1 UOUT
M
20 VOUT
19 WOUT
2
RF
SPINDLE
MOTOR
14 STBY
A Stand-by
13
BRK+
12 BRK-
+B3
TSD
15
AN8839NSBE1
IC101
SERVO AMP
6 LPD
Vref.
Vref.
7 LD
Vref.
4 PDA
A
Vref.
5 PDB
B
Vref.
Vref.
1 PDE
E
Vref.
Vref. VCBA
2 PDF
F
Vref.
13
BH6522FVE2
IC401
COIL & MOTOR DRIVE
UIN
3
VIN 4
5
WIN
COM 6
Start 7
Phase CST
cont.
cont.
logic
8
CSL1
Slope
waveform
9
CSL2
composition
RF
8 9
RF RF IN CS BRT
RF
DET.
SUBTRA-
Ach
CTOR
VCBA
Bch
Vref.
SUBTRA-
Ech
CTOR
Vref.
Vref.
Fch
27 28 16 22
9
VO1F
7
VO1R
13
VO2R
11
VO2F
28 VO3R
30
VO3F
33
VM
8,12,
27
PGND1~3
31
PGND34 NF
AMP
SAW
OSC
CT
1 2 6 10 14,29,
34
+B1 VREF
BA6966FVE2
+B1
IC402
MOTOR DRIVE
+B4 +B4
10 11
CEA
ENV 19
OFTR
3 TENV
DET.
OFTR 17
BDO 12
BDO DET.
/RFDET 15
NRFDET
FE IN 25
FE OUT 24
Vref.
Vcc 3
ENV OFF 20
GND 14
Vref.
VREF 26
NC 18
Vref.
23
21
VREF
VREF
15
MONITOR
MONITOR
17
IN1F
18
IN1R
23
VG
19
IN2R
20
IN2F
24
IN3F
TRV+
25
IN3R
Q431
22
MUTE(PC) Switch-
MUTE4
ing
VREF
37
IN4
VREF
36
CN4
VREF
40 SPOUT
NINV
39
INV
5 PMCK
CLK
Q401,402
Switch-
4 38
ing
SPPOL
RFENV
OFTR
BDO
FE
+B4
MUTE
MON
FO+
FO-
VG
TR-
TR+
TRV-
PC
A
11T