Sony HCD-FX300i US Service Manual page 30

HCD-FX300i
IC301 BA5826HFP-E2
1
VO1(–)
D.BUFF
2
VO1(+)
LEVEL
D.BUFF
SHIFT
3
IN1
RESET 4
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
5
REGB
6
REGOUT
MUTE 7 MUTE
GND 8
9
IN2'
IN2 10
LEVEL
SHIFT
D.BUFF
VO2(+)
11
D.BUFF
VO2(–) 12
GND 13
OPOUT
14
– MAIN Board –
IC350 LA4631-E
REFERENCE
AMP
RIPPLE
FILTER
1 2 3 4
30
28
GND
27
VO4(–)
D.BUFF
26 VO4(+)
D.BUFF
LEVEL
SHIFT
25
IN4
24
IN4'
23 BIAS
22 VCC
VCC
21 VCC
VCC
20
IN3'
19 IN3
LEVEL
SHIFT
D.BUFF
18 VO3(+)
D.BUFF
VO3(–)
17
RESETt
16
15 OPIN
THERMAL
POP NOISE
SHUT DOWN
PREVENTION
PROTECTOR
CIRCUIT
INPUT OUTPUT
PRE
AMP AMP
DRIVE AMP
INPUT PRE
OUTPUT
AMP DRIVE AMP AMP
STANDBY
SWITCH
5 6 7 8 9 10 11 12 13