Pioneer SC-37 Service Manual page 67

5
QQ
3 7 63 1515 0
DC Detection
P
ICEPOWER AMP ASSY
VD2
!
D 2
R4148
3216
ACN7165-A
G
D4101
1
S 3
RB161VA-20
R4150
2125
10k
1%
!
R4149
D 2
3216
ACN7165-A
G
D4102
1
S 3
RB161VA-20
TE
L 13942296513
VS2
DISPLAY
K
ASSY
80
UCOM
IC8001
www
.
5
http://www.xiaoyu163.com
FL ch
V+64V
PWM2
VD
GND
L4100
ATL7017-A
15u
VS
R4155
2125
1%
15k
GND GND
SL ch R4357
SBL ch R4557
C ch R4757
FR ch R4257
SR ch R4457
SBR ch R4657
DIGITAL MAIN
F
ASSY
CN8202 CN601
-12 -26
x ao
y
i
http://www.xiaoyu163.com
6
8
Q4014
6
C1
5
B2
4
E2
GND
HN1C01FU(YGR)
Q4016
6
C1
R4017
5
B2
0
4
E2
GND
Note:
Detection Circuit by Transistor
The circuit is the same configuration as
ordinary model but number of circuit is
increased to two channels.
* Ordinary Model: One circuit for seven
channels
* 08 Mid Class: One circuit for 4 channels
and another one for 3 channels.
ZOBEL2
Q Q
3 6 7 1 3
CONNECT
W
ASSY
CN602 CN7802
-15 -15
u163
.
SC-37
6
7
2 9 9 4 2 8
V+5V
NM
GND
1
E1
2
B1
3
C2
GND GND
R4069
NM
1
E1
2
B1
GND
3
2SA1576A(QR)
C2
Q4021
2SC4154(EFG)
1 5 0 5 8 2 9 9 4
INTERFACE
G
ASSY
CN7804 CN7004
-7 -7
m
co
7
8
9 9
A
CN4000
-15
XDCERR
GND
IC4000 (1/2)
B
NM
2
8
1
4
3
GND R4070
NM
DCdetRY
Q4020
C
GND
2 8 9 9
D
CN7006
-3
XDCERR
E
F
67
8