Sony ZSS2IPW Service Manual page 35

IC302 R2S15904SP (MAIN Board (4/4))
IN-R3 1
INPUT
IN-R2 SELECTOR
2
IN-R1 3
MUTE
IN-L1
4
IN-L2 5
INPUT
SELECTOR
6
IN-L3
IN-L4 7
INPUT
GAIN CONTROL
MUTE
8
IGOUT-L
0 - +12dB
/2dB step
VOLUME
9
VOLIN-L
0 - -89dB.
INPUT
IGOUT-R 10
GAIN
CONTROL
0 - +12dB/2dB step
VOLUME
11
VOLIN-R
0 - -89dB.
BASS-R1
12
BASS-R2 13
BASS-L1 14
IC303 UTC8227S (MAIN Board (4/4))
VCC2 1
L-OUT 2
L-BS 3
POWER GND 4
CH-1
–
L-NF
5
+
L-IN 6
28 IN-R4
27 L-OUT
26 R-OUT
25 A-GND
MODE
SELECTOR
24
VCC
23 REF-IN
REF
22 DATA
MCU
I/F
21
CLK
20
DGND
19 TRE-R
18 TRE-L
17 NC
16 NC
15
BASS-L2
CH-2 12 VCC1
+
11 R-OUT
–
10 R-BS
9 RIPPLE
8 R-NF
7 R-IN
ZS-S2iP
35