Pioneer SC-LX81 Service Manual

122
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.15 COMPONENT ASSY
G
A_VCBIN2
A_VYIN3
A_VCRIND
A_VCBIND
A_VYIND
DINH
D53A
DSW1
C_MUTE5
A_VCOUT
A_VYOUT
A_VCIN_B
A_VYIN_B
HEXCLK5
HEXDT_CVBS
HEXOE5
HEXST5
V_MUTE
VZ2_MUTE
VZ3_MUTE
A_VYOUTD
A_VYOUT_SEL1
A_VCROUT_SEL1
A_VCBOUT_SEL1
A_VCROUT_SEL1
A_VCBOUT_SEL1
A_VYIN2
A_VCRIN2
A_VCRIN3
A_VCBIN3
A_VCBIN3
A_VYOUT_SEL1
Z_CSW2
Z_CSW2
A_VCBIN1
A_VYIN3
A_VCBIN1
A_VCBIN2
A_VYOUT_SEL1
Z_CSW1
A_VCRIN1
A_VCRIN_OSD
A_VCRIN3
CSW1
A_VCBIN_OSD
A_VYIN3
CSW1
CSW2CSW2
A_VCBIN2
A_VYIN1
A_VCRIN1
A_VYIN2
A_VCRIN2
Z_CSW1
A_VYIN1
A_VCROUTD
A_VCBOUTD
A_VYOUT_SUBSEL1
A_V
CBOUT_SUBSEL2
A_VCROUT_SUBSEL2
A_VVOUT
A_VVIN_B
A_VVOUTZ
S_DET
A_VCBIN3
A_VCRIN3
A_VCRIN2
A_VYIN2
HEXOE3
HEXST3
HEXDT3
HEXCLK3
HEXDT2
HEXST5
HEXDT5
HEXCLK5
12VTRGON1
12VTRGON2
Z_CSW1
Z_CSW2
C_ZMUTE
C53B
DSW1
D53A
DINH
CSW1
CSW2
C_MUTE
C_MUTE5
C_DET
C_MUTE
E_VMUTE
H_VMUTE
V_MUTE
M_Z2MUTE
VZ2_MUTE
M_Z3MUTE
E_VMUTE
M_VMUTE
C_ZMUTE
C_ZMUTE5
E_Z2MUTE
H_Z2MUTE
VZ3_MUTE
MUTE
E_Z2MUTE
A_VYOUT_DVC
A_VCBOUT_DVC
A_VCROUT_DVC
E_Z3MUTE
H_Z3MUTE
A_VYIND
A_VCRIND
A_VCBIN1
A_VCRIN1
A_VYIN1
HEXOE5
HEXOE5
A_VYIN_OSD
A_VCBIND
12VDET
H_VMUTE
H_Z2MUTE
H_Z3MUTE
CN6002
CKS3545-A
1
1.V+5HDMI
2
2.GND HDMI
3
3.HEXP CLK
4
4.HEXP DT
5
5.HEXP OE
6
6.HEXP ST
7
7.S-DET
8
8.V MUTE
9
9.VZ2 MUTE
10
10.VZ3 MUTE
11
11.V+12RY
12
12.GNDV
14
14.V+5.6V
15
15.V+5.6V
16
16.V-5.6V
17
17.V-5.6V
18
18.ZOSD C'SITE OUT
19
19.GND
20
20.C'SITE IN
21
21.GNDV
22
22.C'SITEOUT
23
23.GNDV
24
24.SY IN
25
25.GNDV
26
26.SC IN
27
27.GNDV
28
28.SY OUT
29
29.GNDV
30
30.SC OUT
13
13.GNDV
52044-1945
*CN6001
1
1.D INH
2
2.D53A
3
3.DSW1
4
4.VMUTE
5
5.GND
6
6.DR
7
7.GNDV
8
8.CR
9
9.GNDV
10
10.DB
11
11.GNDV
12
12.CB
13
13.GNDV
14
14.DY
15
15.GNDV
16
16.CY
17
17.V-5V
18
18.V+5V
19
19.GNDV
100u/16
C6179
100u/16
C6177
100u/16
C6176
100u/16
C6174
10u/50
C6024
100u/16
C6182
10u/50
C6190
100u/16
C6180
10u/50
C6191
100u/16
C6183
10u/50
C6189
100u/10
C6028
10u/50
C6021
10u/50
C6018
NM
C6195
C6124
10p/50
C6142
NM
C6141
NM
C6187
1u/10
C6188
1000p/50
C6185
1u/10
C6146
1000p/50
*C6149
1000p/50
C6186
1000p/50
*C6150
1000p/50
C6153
1000p/50
C6154
1000p/50
C6156
1000p/50
*C6159
1000p/50
*C6160
1000p/50
C6064
1u/10
C6075
1000p/50
C6065
1000p/50
C6069
1000p/50
C6106
1000p/50
C6105
1u/10
C6107
1u/10
C6108
1000p/50
C6067
NM
C6066
NM
C6073
1000p/50
C6074
1u/10
C6071
1000p/50
D6001
1SS352
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDHDMI
GNDV
GNDHDMI
GNDV
GNDV
GNDV
GNDV
GNDV
GNDV
GNDST
IC6010 TC74VHCT08AFTS1
8
9
10
14 7
3
1 2
14 7
6
4 5
14 7
IC6015
TC74VHCT08AFTS1
8
9
10
14
7
IC6014
TC74VHCT08AFTS1
3
1
2
14
7
6
4
5
14
7
8
9
10
14
7
11
12
13
14
7
IC6013
TC74VHCT08AFTS1
3
1
2
14
7
11
12 13
14
7
6
4
5
14
7
8
9
10
14
7
11
12
13
14
7
IC6015
TC74VHCT08AFTS1
3
1
2
14
7
6
4
5
14
7
11
12
13
14
7
TC4094BFN
IC6012
STROBE
1
DATA
2
CLOCK
3
Q1
4
5
Q2
6
Q3
7
Q4
8
Vss
9
Qs
10
Q's
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
Vdd
TC74LVX4052FT
*IC6002
0Y
1
2Y
2
Y_COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
GND
9
B
10
A
11
3X
12
0X
13
X_COM
14
1X
15
2X
16
VCC
TC74LVX4052FT
IC6003
0Y
1
2Y
2
Y_COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
GND
9
B
10
A
11
3X
12
0X
13
X_COM
14
1X
15
2X
16
VCC
TC4094BFN
IC6009
STROBE
1
DATA
2
CLOCK
3
Q1
4
5
Q2
6
Q3
7
Q4
8
Vss
9
Qs
10
Q's
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
Vdd
TC74LVX4052FT
IC6001
0Y
1
2Y
2
Y_COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
GND
9
B
10
A
11
3X
12
0X
13
X_COM
14
1X
15
2X
16
VCC
TC74LVX4052FT
*IC6004
0Y
1
2Y
2
Y_COM
3
3Y
4
5
1Y
6
INH
7
VEE
8
GND
9
B
10
A
11
3X
12
0X
13
X_COM
14
1X
15
2X
16
VCC
LA7213 IC6006
1
1
2
2
3
3
4
4
5
5
KN6001
VNE1948-A
GND1
1
GND2
2
GND3
3
GND4
4
RT1N241M
Q6008
NM
Q6022
2SA1602A(EF)
Q6004
2SA1602A(EF)
Q6006
2SA1602A(EF)
Q6003
2SA1602A(EF)
Q6005
2SA1602A(EF)
Q6007
2SA1602A(EF)
Q6001
2SA1602A(EF)
Q6002
R6049
47
R6131
0
R6050
47
R6137
33
R6051
220
R6136
1k
R6004
470
R6130
0
R6129
0
R6138
0
R6139
1k
R6135
0
R6009
470
R6140
33
R6141
0
R6014
470
R6057
75
R6056
75
R6058
75
R6054
75
R6053
75
R6055
75
R6143
33
R6126
0
R6127
0
R6128
0
R6125
47
R6124
0
R6123
0
R6122
0
R6121
0
R6120
0
R6119
0
R6118
0
R6117
0
R6116
0
R6115
0
R6114
0
R6113
0
R6112
0
R6111
0
R6110
0
R6109
0
R6142
1k
R6106
47
R6003
75
R6048
10
R6047
10
R6046
10
R6052
47
R6134
0
R6133
0
R6066
10
R6068
10
R6067
10
R6024
NM
R6021
220k
*R6154
NM
*R6155
NM
*R6156
NM
R6105
10
R6104
10
R6103
10
R6102
10
R6101
10
R6100
10
R6099
10
R6098
10
R6097
10
R6096
10
R6095
10
R6094
10
R6093
10
R6092
10
R6091
10
R6157
NM
R6090
10
R6089
0
R6088
0
R6022
330
R6023
4.7k
R6019
10
R6158
NM
R6087
0
R6069
10
R6010
180k
R6011
0
R6018
0
R6016
0
R6005
180k
R6159
NM
R6086
0
R6020
1k
R6006
0
R6132
0
R6015
180k
R6085
NM
R6084
0
R6008
0
R6013
0
R6001
75
R6002
75
R6080
0
R6081
0
V+5_V
V+5_V
V+12RY
V+5_V
V+3_V
V+5_V
V+12TRG
V+5_V
V-5R6_V
V+5R6_V
V+12RY
VDD5HDMI
V+5_V
V-5_V
V-3_V
V+5_V
V+3_V
V+3_V
V-3_V
V-3_V
V+3_V
V+5_V
V-3_V
V+5_V
V-5_V
V+5_V
V+5_V
V-5_V
V-5_V
V-5_V
R6167
10k
R6166
10k
R6168
10k
3.3u/50
C6025
JA6001
AKB7203-A
5
6
4
3
2
1
JA6002
AKB7204-A
7
9
6
4
3
1
C6019
0.01u/50
C6013
0.01u/50
C6020
0.01u/50
C6012
0.01u/50
C6016
0.01u/50
C6023
0.01u/50
C6017
0.01u/50
C6026
0.01u/50
C6184
0.01u/50
C6027
0.01u/50
C6022
0.01u/50
C6001
NM
C6002
NM
C6003
NM
C6077
NM
C6076
NM
C6078
NM
C6081
NM
C6080
NM
C6079
NM
R6017
110k
R6012
110k
R6007
110k
C6070
1u/10
C6068
1u/16
C6147
1u/10
*C6148
1u/10
*C6151
1u/10
C6152
1u/10
C6155
1u/10
*C6158
1u/10
C6157
1u/10
*C6161
1u/10
C6072
1u/10
*JA6003
AKB7204-A
7
9
6
4
3
1
*JA6005
NM
5
6
4
3
2
1
HEXDT_CVBS
MAIN SEL1 Y
MAIN SEL2 Y
L
H
L
*CSW2
TC74HC4051
*CSW1
L
HL
H
H
OUT 0X 1X 2X 3X
COMPONENT
MONITOR MUTE
COMPONENT
Z2 MUTE
COMPOSITE_S
MONITOR MUTE
COMPOSITE_S
Z2 MUTE
COMPOSITE_S
Z3 MUTE
CINH
(AKB7196)
(AKB7196)
(VKB1150)
(VKB1150)
Cr
Y
Cb
Cr
Cb
Y
Cr
Cb
Y
Cr
Cb
Y
D6001
1SS355-TRB
(DVD)
(VIDEO1)
(VIDEO2)
INPUT SELECTOR
C DET
CN8601
J
AWX9141 ONLY
AWX9141 ONLY
(SC)
: S-Video Signal Route (C)
(CSiteSC)
: Video Signal Route (Composite C)
(SY)
: S-Video Signal Route (Y)
(Y)
(Cb)
(Cr)
C(Y)
C(Y)
C(Y)
C(Cb)
C(Cr)
(VCY)
(VCb)
(VCr)
(OSDY)
C(Cr)
(OSDb)
(OSDr)
C(Cb)
C(Cb)
C(Cr)
(Y)
(Cb)
(Cr)
(Y)
(Cb)
(Cr)
(Cr)
C(Cr)
(Cb)
C(Cb)
C(CY)
(CSite)
(CSite)
(SY)
(SC)
(CSiteV)
(CSiteSY)
(CSiteSC)
(Y)

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English