Pioneer SC-LX82 Service Manual page 56

Audio/video multi-channel receiver
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1
A
DC Detection
Q
ICE POWER AMP ASSY
VD2
!
B
D
R4148
3216
ACN7165-A
G
D4101
S
RB161VA-20
PWM2
GND
R4150
2125
10k
1%
ATL7017-A
!
R4149
D
3216
C
ACN7165-A
G
D4102
S
RB161VA-20
VS2
D
DISPLAY
K
ASSY
80
UCOM
IC8001
E
F
56
1
2
HN1C01FU(YGR)
FL ch
VD
HN1C01FU(YGR)
L4100
15u
VS
Note:
Detection Circuit by Transistor
The circuit is the same configuration as
R4155
ordinary model but number of circuit is
ZOBEL2
2125
increased to two channels.
1%
15k
GND
GND
SL ch
R4357
SBL ch
R4557
C ch
R4757
FR ch
R4257
SR ch
R4457
SBR ch
R4657
E
CN8202
CN1401
-7
-7
2
3
Q4014
1
6
E1
C1
2
5
B1
B2
3
4
C2
E2
V+5V
GND
Q4016
1
6
E1
C1
2
5
B1
B2
3
4
C2
E2
GND
* Ordinary Model: One circuit for seven
channels
* 08 Mid Class: One circuit for 4 channels
and another one for 3 channels.
DIGITAL MAIN
ASSY
CN1250
-14
SC-LX82
3
4
CN4000
GND
V+5V
D4006
NM
IC4001
(2/2)
BU7262SFVM
GND
GND
6
8
7
R4069
4
5
47k
R4070
750k
GND
INTERFACE
F
ASSY
CN7003
CN7012
-7
4
-15
XDCERR
-3
XDCERR

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