Read Sony XR-4750RDS / XR-C450RDS Service Manual online
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IC601
BA3918-V2
+
–
+
–
+
–
+
–
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
IC701
BA8270F-E2 (XR-C450RDS only)
1
2
3
4
5
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
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
• Waveforms
1
IC1
1
XO
2
IC3
9
XO
5.1 Vp-p
230 nsec
42 mVp-p
200 nsec
3
IC501
9
X OUT
4
IC501
!™
XT OUT
3.9 Vp-p
125 nsec
5 Vp-p
30.6
µ
sec
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