Pioneer SC-82 Service Manual page 37

5
Overheat Detection
R
D AMP_SS ASSY
220
R4024
100
R4025
100
VD1
!
Q4208
2SC4081(QRS)
Q4210
R4266 R4267
2SA1514K(RS)
TEMP
10k 1% 1k 1%
VD2
GND_TP2
!
GND_TP2
Q4110
R4166
2SA1514K(RS)
R4167
10k 1%
Q4108
1k 1%
2SC4081(QRS)
GND_TP2
GND_TP2
K
DISPLAY ASSY
CN6001
24
64
UCOM
IC6001
5
6
R4022 120
R4021 270
IC4005
TA76L431FB
R4054
3.3k
GND
GND_TP
GND_TP
V+5V_S
Q4211
R4275
2SA1576A(QRS)
GND_TP
10
R4270
Q4217
2SC4081(QRS)
22k
R4210
10k
GND_TP
GND_TP
Q4111
GND_TP 2SA1576A(QRS)
R4170
Q4117
2SC4081(QRS)
22k
R4110
10k
GND_TP
R
2/6
GND_TP
V
V-REG_S ASSY
CN7903
-30 -10
-9 -31
6
7
V+5V_S
R4094
2.2k
R4058
VCC
6
8
7
R5165 R4097
100
4
5
10
GND
IC4001
BU7262SFVM
(2/2)
GND_TP
GND_TP
GND_TP
Q4411
2SA1576A(QRS) Q4611
2SA1576A(QRS)
GND_TP
GND_TP
R4410
R4610
10k
10k
Q4311
Q4511
2SA1576A(QRS)
2SA1576A(QRS)
GND_TP
GND_TP
R4310
10k
R4510
10k
R R
3/6 4/6
G
CN7661 CN7012
-23 -23
-20 -20
SC-82
7
8
AMPTEMP
XTEMPERR5
OVER HEAT
DETECT CIRCUIT
68k
R5031 D4005 R5032
100 1SS355 100
IC4001 (1/2)
BU7262SFVM
VCC
2
8
1
R4062
4
3 R4064
3.3k
GND
47k
*Q4811
NM
Q4711
2SA1576A(QRS)
GND_TP
GND_TP
*R4810
R4710
NM
10k
*Q4911
NM
GND_TP
*R4910
NM
(AWX1922, AWX1923,
AWX1924, AWX1925
only )
R R
5/6 6/6
INTERFACE_S ASSY
CN7006
-4
XTEMSD5
AMPTEMP
-5
8
A
CN4000
-15
-16
B
C
D
E
F
37