Sony XR-4750RDS Service Manual page 21

IC601 BA3918-V2
REGULATOR
OVER VOLTAGE
PROTECT
–
+
1 2 3 4 5 6
• Waveforms
1 IC1 1 XO
200 nsec
3 IC501 9 X OUT
125 nsec
7 8 9 10
2 IC3 9 XO
42 mVp-p
4 IC501 !™ XT OUT
3.9 Vp-p
IC701 BA8270F-E2 (XR-C450RDS only)
BUS ON
RST
BATT
CLK
VREF
DATA
GND
11 12
5.1 Vp-p
230 nsec
5 Vp-p
30.6 µ sec
– 21 –
BUS ON
14 VCC
1
SWITCH
RESET
2 13
RST
SWITCH
12 BUS ON
11 CLK IN
BATTERY
BU IN
3 10
SWITCH
4
5
6 9 DATA IN
7 8 DATA OUT