Pioneer SC-63 Service Manual page 39

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5
Overheat Detection
Q
D-AMP_S ASSY
R4024
R4025
100
VD1
!
Q4208
2SC4154-11(EF)
Q4210
R4266
R4267
2SA1514K(RS)
TEMP
10k
1%
1k
1%
VD2
GND_TP
!
GND_TP
Q4110
R4166
2SA1514K(RS)
R4170
R4167
10k
1%
Q4108
1k 1%
2SC4154-11(EF)
GND_TP
GND_TP
DISPLAY
J
ASSY
CN3001
-11
72
2
-2
UCOM
IC3001
U
5
6
R4022
100
R4021
220
IC4005
HA17431GLTPA
R4054
3.3k
GND_TP
GND_TP
GND_TP
V+5V_S
Q4211
*R4275
ISA1602AM1(EF)
VCC
GND_TP
100
2
8
*R4210
1
R4270
10k
4
1k
3
GND
*IC4204
NJM12904V
GND_TP
GND_TP
*IC4204
NJM12904V
Q4111
GND_TP
ISA1602AM1(EF)
6
*R4110
7
10k
1k
5
Q
2/10
GND_TP
DIGITAL MAIN
E
ASSY
CN7902
CN7901
CN601
-29
-18
-22
-38
-2
-38
V-REG ASSY
6
7
OVER HEAT
DETECT CIRCUIT
V+5V_S
R4094
2.2k
R4058
68k
VCC
6
8
R5031
D4005
7
R4097
100
100
1SS355
4
5
GND
IC4001
BU7262SFVM
(2/2)
GND_TP
GND_TP
IC4404
IC4604
Q
Q
Q
3/10
4/10
CN603
CN7801
-9
-9
-7
-7
CN602
CN7802
CONNECT
W
ASSY
SC-63
7
8
CN4000
-15
AMPTEMP
XTEMPERR5
-16
R5032
100
IC4001
(1/2)
BU7262SFVM
VCC
2
8
1
R4062
4
3
R4064
3.3k
GND
47k
IC4704
5/10
INTERFACE
F
ASSY
CN7804
CN7004
CN7006
-6
-6
-4
XTEMSD5
AMPTEMP
-9
-9
-5
CN7803
CN7003
8
A
B
C
D
E
F
39

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