Technics SL-EH560 Service Manual page 68

OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q701
LASER
POWER
DRIVE
+B2
+B2
PHOTO DETECTOR
E E
D C
A B
D C
F F
AN8739SBE2
FOCUS COIL / TRACKING
COIL / TRAVERSE MOTOR /
SPINDLE MOTOR DRIVE
FOCUS COIL
F+
F-
TRACKING COIL
T+
T-
TRV+
M701 M
TRAVERSE
MOTOR
TRV-
SP+
M702
M
SPINDLE
MOTOR
SP-
AN8839NSBE2
IC701
SERVO AMP
6
LPD
VREF.
7
LD
VREF.
VREF.
4
PDA
A
VREF.
13
LDON
B
VREF.
5 PDB
VREF.
1 PDE
E
VREF.
VCBA
VREF.
2 PDF
F CH
F
VREF.
IC703
D4+
17
FOCUS
COIL
16 D4-
DRIVE
15 D3+
TRACKING
COIL
14 D3-
DRIVE
11 D1+
TRAVERSE
MOTOR
DRIVE
10 D1-
13 D2+
SPINDLE
MOTOR
12 D2- DRIVE
RESET
8
SIGNAL
PGND1
GENERATOR
19
PGND2
/RST
1
(RF)
TJ701
8 9
RF RFIN
RF
DET.
A CH
SUB-
TRACTER
VCBA
B CH
VREF.
VREF.
SUB-
E CH
TRACTER
27 28 22 16
22
VREF
24
IN3
23
IN4
6
IN1
3
IN2
4
PC2
7
+B1
PVcc1
20
PVcc2
+B2 +B2
10 11
CSBRT CEA
3 ENV
OFTR 19
TENV
DET.
OFTR 17
BDO 12
BDO
DET.
/RFDET 15
FE IN 25
FE OUT
24
Vref.
V
3
CC
VREF
26
GND 14
VREF.
VREF.
23
VREF
RFENV
OFT
BDO
/RFDET
FE
+B2
VREF
VREF
TRD
FOD
TVD
ECS
ECM
PC