Sony HCD-F50 Service Manual page 62

QQ
3 7 63 1515 0
IC461 BA6780
1
VIN1
2
FIN1
3
RIN1
IOUT
4
VREF 5
VREG 6
VCC 7
8
OUT1+
9
TE
L 13942296513
IC1502 LB1641
T.S.D
MOTOR
DRIVE
1 2 3
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18
VIN2
17
FIN2
16
RIN2
15
CT2
14 VEE
13 FBIN-
12
FBIN+
11
OUT2+
10
OUT2-
FWD/REV/STOP
CONTROL LOGIC
4 5 6 7 8
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2 9
8
IC901 LA5617
CURRENT
ON/OFF
LIMITER
VMUTE
VREF
VCC
ERROR
AMP
1 2 3 4 5
Q Q
3 6 7 1 3 1 5
O.C.P
MOTOR
DRIVE
9 10
co
.
9 4 2 8
CURRENT START
ON/OFF
LIMITER CIRCUIT
VREF
VCC
OVER HEAT
PROTECT
VREF
~ _ 1.8V
ERROR
AMP
6 7 8 9 10
0 5 8 2 9 9 4 2 8
m
9 9
9 9