Pioneer SC-37 Service Manual page 66

1
QQ
3 7 63 1515 0
Overheat Detection
P
A
ICEPOWER AMP ASSY
FR ch
R4266
10K 1%
VD2
B
FL ch
R4166
10K 1%
C
IC4005
HA17431GLTPA
TE
L 13942296513
GND
D
GND
DISPLAY
K
ASSY
E
CN8202
-17
72
2
-8
UCOM
IC8001
www
F
66
1
http://www.xiaoyu163.com
2
VD1
Temperature Detection Circuit (1-Circuit for each Amp 1-Channel)
V+5V
R4275
Q4210
R4267
2SA1514K(RS) 10
R4270
1k
1%
1k
GND
GND
Q4110
2SA1514K(RS)
R4170
R4167
1k 1%
1k
GND
GND
R4094
2.2k
R4054
3.3k
IC4000
NM
5
(2/2)
4
R4095
7
8
0 6
R4097
0
GND
GND
DIGITAL MAIN
F
ASSY
CN601 CN602
-19 -16
-34 -17
x ao
y
. i
2
http://www.xiaoyu163.com
3
8
Q4211
2SA1576A(QR)
2
8
GND
1
4
3
IC4204
NJM12904V
GND
IC4204
NJM12904V
Q4111
2SA1576A(QR)
6
GND
7
5
SL ch
SR ch
SBL ch
SBR ch
C ch
V+5V
Q Q
3 6 7 1 3
R4058
68k
6
8
D4005
7
1SS352
4
5
IC4001
BU7262SFVM
(2/2)
GND
R4062
3.3k
GND
CONNECT
W
ASSY
CN7802 CN7804
-16 -6
-17 -5
u163
.
SC-37
3
4
2 9 9 4 2 8
R4022 R4024
100 100
GND
CN4000
-13
AMPTEMP
XTEMSD5
-14
Q4311
Q4411
Q4511
Q4611
Q4711
GND
1 5 0 5 8 2 9 9 4
IC4001 (1/2)
BU7262SFVM
2
8
1
4
R4064
3
47k
INTERFACE
G
ASSY
CN7004 CN7006
-6 -4
XTEMSD5
AMPTEMP
-5 -5
m
co
4
9 9
2 8 9 9