XR-C4100 - Sony Car Audio Service Manual (repair manual). Page 22

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IC601
BA3918-V2
IC701
BA8270F-E2
+
+
+
+
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
MODE2
MODE1
STB
VDD
AMP
VCC
ANT
COM
AM
FM
GND
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
• Waveform
1
IC501 
 (X_IN)
4.4 Vp-p
223 ns
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