Pioneer SC-LX83 Service Manual page 18

1
2.9 ICEPOWER AMP ASSY (5/5)
P
5/5
ICEPOWER AMP ASSY (5/5)
A
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
TO ICE INTERFACE ASSY
V+12V
CN4700
XKP3062-A
C+ 1
C- 2
GNDC 3
V+12C 4
V-12C 5
V-12V
B
V+5V
GND
V-5V
C
VD_CHK4
GND
VS_CHK4
D
P
5/5 F
E
F
18
1
2
R4700
100 0.5%
R4701
R4791
100 0.5%
2125
2.2M
2125
R4792 GND
8.2k
*B
R4715
0
R4815
0
V-5VFILT4
VD
V+64V
R4761
ACN7165-A
10 VD7
3216
*A
ATL7018-A
L4702
1u
*A
1u
L4703
ATL7018-A
3216
R4762
ACN7165-A
VS7
10
V-64V
2
3
IC4701
ICC3-AVR
DRIVER
1
Isense1_H
Vboot
2 Isense2_H
HighDrive
3 NC1
HighReturn
4 NC2
Isense1_L
5 PWM+
Isense2_L
6 PWM-
Vdrive
7 SS_EN
LowDrive
8 Blanking
R4747
ACN7165-A
3216
L4704
ATL7020-A
4.7u
VSS+10V
SC-LX83
3
4
!
16
15
14
13
12
11 R
10
9
VS
4
P
5/5 F