CFD-V177L, CFD-V21L, CFD-V27L, CFD-V31L - Sony Audio Service Manual (repair manual). Page 25

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IC703 BA6898FP
LEVEL SHIFT
VCC
DRIVER MUTE
VCC
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
THERMAL
SHUT DOWN
REG VOLTAGE DOWN,
BIAS VOLTAGE DOWN,
THERMAL SHUT DOWN
MONITOR
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
SL –
SL +
SL IN
RESET
REGB
REGO
MUTE
GND
(SP IN)
SP IN
SP –
SP +
GND
SPO
GND
F –
F +
FIN
(FIN)
VRE
F
VCC
VCC
(TIN)
TIN
T –
T +
VRE
F
SP I
DRIVE
DRIVE
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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