Pioneer SC-65 Service Manual page 43

5
Amplifier Power Supply Failure Detection
Q
D-AMP_S ASSY
OVP&UVP
DETECT CIRCUIT
V+64V
220p/50 NM
CH C4044 CH C4045
D4013 D4014
R5012
2125
100k
RKZ24KG(B2)
RKZ24KG(B2)
D4017
R5015 R5040
2125 2125
22k 2.2k
RKZ18KG(B2)
330p/50
C4047 CH
2SC4154-11(EF)
330p/50 NM
CH C4048 CH C4049
D4018 D4019
R5020
2125
100k
RKZ24KG(B2)
RKZ24KG(B2)
GND_B
D4021
R5023 R5039
2125 2125
22k 2.2k
RKZ18KG(B2)
C4051 330p/50
CH
2SC4154-11(EF)
V-64V
DISPLAY
J
ASSY
CN3001
-4
84
UCOM
IC3001
5
6
V+5V_S
Q4017
DTC115EUA
Q4030
DTC115EUA
V+5V_S
GND_B
330p/50
CH C4046
D4015
R5029 Q4022
2125 2SC4154-11(EF)
10k
RKZ27KG(B)
R5013
2125
100k
V+5V_S
OE
Q4023
V+5V_S
R5054
330p/50
100k
CH C4050
R5019
2125
220k
D4020
R5030
Q4024
2125
10k 2SC3906K(RS)
RKZ27KG(B)
Vceo120V
R5021
2125
GND_B
100k
Q4025
DIGITAL MAIN
E
ASSY
CN7902 CN7901 CN601
-36 -8 -32
U
V-REG ASSY
6
7
R4093 100
GND
CN603 CN7801
-10 -10
CONNECT
W
ASSY
SC-65
7
8
CN4000
-6
XBERR
R4092
100
INTERFACE
F
ASSY
CN7804 CN7004 CN7006
-5 -5 -14
XBERR
8
A
B
C
D
E
F
43