Sony XR-C8220R Service Manual page 40

IC310, 410 TDA8574 (T)
VCCL 1
INL 2
BUFFER
SVRL
3
BUFFER
REFERENCE
INML 4
INMR
5
REFERENCE
BUFFER
SVRR 6
BUFFER
INR
7
VCCR 8
IC502 BA3918-V3
REGULATOR
OVER VOLTAGE
PROTECT
–
+
1 2 3 4 5 6 7
VCCL
16 CL+
15 CL–
LIFT
AMP
VCCL
14 LGND
SIGNAL
AMP
13 OUTL
VCCR
12
OUTR
SIGNAL
AMP
11 RGND
VCCR
LIFT
AMP
CR–
10
9 CR+
8 9 10
IC350 CXA1846BN-T4
20 19 18 17
–
8dB STEP
+
VOLUME
LATCH
LATCH
CONTROL
SHIFT
REGISTER
8dB STEP
+ VOLUME
–
1 2 3 4
11 12
– 56 –
16 15 14 13 12
1dB STEP
VOLUME
VCT
ZC
BUFFER
DET
1dB STEP
VOLUME
5 6 7 8 9
IC602 BA8270F-E2
BUS ON
BUS ON
1
SWITCH
RESET
RST 2
SWITCH
BATTERY
BATT 3
SWITCH
4
CLK
VREF 5
DATA 6
GND 7
11
10
14 VCC
13 RST
BUS ON
12
11 CLK IN
10 BU IN
DATA IN
9
8 DATA OUT