Sony CDX-4250 - Page 31

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IC402 TDA7384
IC401 LC75374E
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DECODER LATCH
SHIFT
REGISTER
CONTROL
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1
2 3
4
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20
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14
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21
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2324
25
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LSELO
L4
L3
L2
L1
VDD
R1
R2
R3
R4
RSELO
RVRIN
RCOM
RT1 RT2 RT3
RTOUT
RSIN
NC NC
RSB1 RSB2
RFIN
RFOUT
RROUT
VSS
CL
DI
CE
VREF
LROUT
LFOUT
LFIN
LSB2
LSB1 NC NC LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN
DRIVER
DRIVER
DRIVER
DRIVER
1
2
3 4
5
6
13
10
12
11
7 8
9
16
1918
17
20
25
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2322
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TAB
GND
OUT2–
STNBY
OUT2+
VCC
OUT1–
GND
OUT1+
SVR
IN1
IN2
S-GND
IN4
IN3
AC-GND
OUT3+
GND
OUT3–
VCC
OUT4+
MUTE
OUT4–
GND
N.C.
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