Pioneer SC-71 Service Manual page 35

5
Overheat Detection
O
D-AMP_SS ASSY
R4025
100
V+64V
NTCG104KF104FB
R4281
!
Q4208
2SC4081(QRS)
Q4210
R4266 R4267
2SA1514K(RS)
TEMP
10k
1% 1k 1%
V+64V
GND_TP
!
GND_TP
Q4110
R4166
2SA1514K(RS)
R4170
10k 1% R4167
Q4108
1k 1%
2SC4081(QRS) 22k
GND_TP
GND_TP
J
DISPLAY ASSY
CN6001
24
UCOM
IC6111
5
6
R4021 220
R4054
3.3k
GND
GND_TP
GND_TP GND_TP
V+5V_S
Q4211
2SA1576A(QRS)
Q4209
2SC4081(QRS) GND_TP
R4270
R4210
22k
10k
GND_TP
GND_TP
V+5V_S
Q4111
GND_TP 2SA1576A(QRS)
2SC4081(QRS)
Q4109
R4110
10k
GND_TP
O
2/5
GND_TP
R
V-REG_SS ASSY
CN7903
-30 -10
6
7
OVER HEAT
DETECT CIRCUIT
V+5V_S
R4094
2.2k
R4058 68k
VCC
6
8
R5031
7
R4097
120
100
4
5
GND
IC4001
BU7262SFVM
GND_TP
GND_TP
Q4611
Q4411
2SA1576A(QRS)
2SA1576A(QRS)
GND_TP
GND_TP
R4610
R4410
10k 10k
Q4511
2SA1576A(QRS)
2SA1576A(QRS)
Q4311
GND_TP
GND_TP
R4510
R4310
10k
10k
O O
3/5 4/5
F
CN7902 CN7002
-3 -3
SC-71
7
8
CN4000
XTEMPERR5
-18
D4005 R5032
1SS355 100
IC4001
BU7262SFVM
VCC
2
8
1
R4062
4
3 R4064
3.3k
GND
47k
Q4711
2SA1576A(QRS)
GND_TP
R4710
10k
O
5/5
INTERFACE_SS ASSY
CN7003
-4
XTEMSD5
8
A
B
C
D
E
F
35