Pioneer SC-LX83 Service Manual

16
SC-LX83
1
2 3 4
A
B
C
D
E
F
1
2 3 4
2.5 ICEPOWER AMP ASSY (1/5)
2.6 ICEPOWER AMP ASSY (2/5)
P
1/5 F
P
1/5 F
GNDCH
C4927
0.01u/630
CCG1245-A-T
3216
C4929
0.01u/630
CCG1245-A-T
3216
ACH7305-A
C4901
2700u/80
ACH7305-A
C4904
2700u/80
C4933
ACE7082-A 100p/500V
ACH7305-A
C4903
2700u/80
C4932
ACE7082-A 100p/500V
V-64V
C4928
0.01u/630
CCG1245-A-T
3216
CN4900
CKS-557--
+B(+64V)
1
GND
2
GND
3
-B(-64V)
4
GND
ACH7305-A
C4905
2700u/80
ACH7305-A
C4902
2700u/80
ACH7305-A
C4900
2700u/80
V+64V
R4903
1M
ACN7180-A-T
3216
R4904
1M
ACN7180-A-T
3216
*C4935 NM
TO B REG ASSY
(R4935) ACN7180-A-T
*A
ICEPOWER AMP ASSY (1/5)
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
P
1/5
P
2/5 F
P
2/5 F
VS_CHK1
R4263
105k
3216
1% 1/4W
*C4157
2200p/50
VD2
R4162
ACN7165-A
3216
10
ACH7318-A
*C4250
560u
*C4257
2200p/50
R4161
ACN7165-A
3216
10
ACH7318-A
*C4149
560u
L4102
ATL7018-A
1u
V-64V
VD1
V+64V
VD
R4264
3.3k
1%
ACH7318-A
*C4249
560u
L4202
ATL7018-A
1u
R4164
3.3k
1%
L4203
ATL7018-A
1u
VD_CHK1
L4103
ATL7018-A
1u
VS
VS2
GND
R4261
ACN7165-A
3216
10
R4163
105k
1% 1/4W
3216
VS1
R4262
ACN7165-A
3216
10
ACH7318-A
*C4150
560u
R4187
NM
3216
R4188
NM
3216
R4185
ACN7180
3216
R4186
ACN7180
3216
R4287
NM
3216
R4285
ACN7180
3216
R4286
ACN7180
3216
R4288
NM
3216
*A
*A
!
C4255
4 7u/25
3216
R4247
ACN7165-A
3216
VSS+10V
ICC3-AVR
IC4201
Isense1_H
1
Isense2_H2
NC13
NC24
5 PWM+
6 PWM-
7 SS_EN
8 Blanking 9
VS
10
LowDrive
11
Vdrive
12
Isense2_L
13
Isense1_L
14
HighReturn
15
HighDrive
16
Vboot
R
R4246
39k 1%
L4204
ATL7020-A
4.7u
R4284
ACN7180
3216
DRIVER
!
C4155
4 7u/25
3216
R4147
ACN7165-A
3216
ICC3-AVR
IC4101
Isense1_H
1
Isense2_H2
NC13
NC24
5 PWM+
6 PWM-
7 SS_EN
8 Blanking 9
VS
10
LowDrive
11
Vdrive
12
Isense2_L
13
Isense1_L
14
HighReturn
15
HighDrive
16
Vboot
R
L4104
ATL7020-A
4.7u
R4146
39k 1%
VSS+10V
R4184
ACN7180
3216
DRIVER
C4260
1000p/50
CH
*C4118
1u/16
YB
V+5V
C4160
1000p/50
CH
V-5V
*C4218
1u/16
YB
R4215
0
V-5VFILT1
R4115
0
GND
ACH1479-A
C4117
100u
ACH1479-A
C4217
100u
R4290
NM
2125
R4190
47k
2125
*B
ICEPOWER AMP ASSY (2/5)
(SC-LX83 : AWH7031)
(SC-LX73 : AWH7033)
P
2/5

Pioneer SC-LX83 Specifications

General

Brand	Pioneer
Model	SC-LX83
Category	Receiver
Language	English