Pioneer SC-LX81 Service Manual

108
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.8 HDMI NETWORK ASSY (1/6)
E 1/6
R1XC+
R1X1-
R1X1+
R1X0-
R1X2+
R1XC-
R3X2+
R3X0-
R3X2-
R3XC+
R3X1-
R3X1+
R3XC-
R3X0+
R4X2+
R4XC-
R4X1+
R4X0+
R4X1-
R4XC+
R4X2-
R4X0-
USCL USDA
R2XC-
R2XC+
R2X0-
R2X0+
R2X1-
R2X1+
R2X2-
R2X2+
R3X0- R3X0+ R3X1- R3X1+ R3X2- R3X2+ R3XC- R3XC+
R2XC-
R2XC+
R2X0-
R2X0+
R2X1-
R2X1+
R2X2-
R2X2+
R1XC+ R1XC- R1X0+ R1X0- R1X1- R1X1+ R1X2- R1X2+
RDSCL3 RDSDA3
RDSDA2
RDSCL2
RDSDA1 RDSCL1
RDSDA3
RDSCL3
HPDET1
HPDET2
HPDET3
HPDET2
HPDET1
RXDSCL1
RXDSDA1
USCL
USDA
RXRST
R1X0+
RDSCL2
RDSDA2
R1X2-
RXDSDA0
RDSCL1
RDSDA1
RXDSCL0
HPDET4
HPDET3
XSWRST
WP1
WP2
WP3
WP4
C1206
NM
C1205
NM
C1201
NM
C1202
NM
C1208
0.1u/10
C1204
NM
C1203
NM
C1153
0.1u/10
C1152
0.1u/10
C1155
0.1u/10
C1158
0.1u/10
C1207
0.1u/10
C1159
0.1u/10
C1160
0.1u/10
C1151
BCG1059-A
22u/10
C1156
BCG1059-A
22u/10
C1157
10u/6.3
C1167
0.1u/10
C1165
0.1u/10
C1164
0.1u/10
C1163
0.1u/10
C1162
0.1u/10
C1161
0.1u/10
C1154
0.1u/10
D1102
DAN202U
D1101
DAN202U
D1103
DAN202U
D1104
DAN202U
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
TC7MB3257FK
IC1208
S
1
1B1
2
1B2
3
1A
4
5
2B1
6
2B2
7
2A
8
GN D
9
3A
10
3B2
11
3B1
12
4A
13
4B2
14
4B1
15
OE
16
Vcc
NM
IC1206
S
1
1B1
2
1B2
3
1A
4
5
2B1
6
2B2
7
2A
8
GN D
9
3A
10
3B2
11
3B1
12
4A
13
4B2
14
4B1
15
OE
16
Vcc
NM
IC1207
S
1
1B1
2
1B2
3
1A
4
5
2B1
6
2B2
7
2A
8
GN D
9
3A
10
3B2
11
3B1
12
4A
13
4B2
14
4B1
15
OE
16
Vcc
NM
IC1205
S
1
1B1
2
1B2
3
1A
4
5
2B1
6
2B2
7
2A
8
GN D
9
3A
10
3B2
11
3B1
12
4A
13
4B2
14
4B1
15
OE
16
Vcc
SII9185ACTU
IC1151
HDMI SWITCH
TX2+
1
TX2-
2
AGND1
3
TX1+
4
TX1-
5
AV CC18 _1
6
TX0+
7
TX0-
8
AGND2
9
TXC+
10
TXC-
11
EXT_SWI NG
12
RESET#
13
LSDA/EPSEL_0
14
LSCL/EPSEL_1
15
HPD0
16
AV CC18 _2
17
RnXC-_1
18
RnXC+_1
19
AGND3
20
RnX0-_1
21
RnX0+_1
22
AV CC33_1
23
RnX1-_1
24
RnX1+_1
25
AGND4
26
RnX2-_1
27
RnX2+_1
28
AV CC18 _3
29
DSDA0
30
DSCL0
31
RPWR0
32
DV DD_1
33
DGND_1
34
EXTPSEL/INT
35
HPD1
36
AV CC18 _4
37
RnXC-_2
38
RnXC+_2
39
AGND5
40
RnX0-_2
41
RnX0+_2
42
AV CC33_2
43
RnX1-_2
44
RnX1+_2
45
AGND6
46
RnX2-_2
47
RnX2+_2
48
AV CC18 _5
49
DSDA1
50
DSCL1
51
RPWR1
52
CEC_D
53
CEC_A
54
AV CC33_3
55
HPD2
56
AV CC18 _6
57
RnXC-_3
58
RnXC+_3
59
AGND7
60
RnX0-_3
61
RnX0+_3
62
AV CC33_4
63
RnX1-_3
64
RnX1+_3
65
AGND 8
66
RnX2-_3
67
RnX2+_3
68
AV CC18 _7
69
DSDA2
70
DSCL2
71
RPWR2
72
DV DD_2
73
DGND_2
74
RSVDL
75
HPDIN
76
TSDA
77
TSCL
78
TPWR/I2CADDR
79
AGND9
80
L1152
ATL7010-A
L1153
ATL7010-A
L1151
ATL7010-A
Q1281
HN 1K02FU
1
2
34
5
6
DTC114YUA
Q1104
NM
Q1102
DTC114YUA
Q1204
NM
Q1101
NM
Q1202
DTC114YUA
Q1203
NM
Q1201
R1207
NM
R1101
NM
R1211
NM
R1155
33
R1156
33
R1281 N M
R1102
NM
R1216
NM
R1282 N M
R1105
NM
R1157
NM
R1104
NM
R1106
47k
R1224 10
R1108
NM
R1107
NM
R1109
47k
R1220
10k
R1221
10k
R1210
NM
R1160
4.7k
R1161
NM
R1166
4.7k
R1165
4.7k
R1162
10
R1163
10
R1218NM
R1215
NM
R1214
NM
R1213
NM
R1217
NM
R1112
47k
R1111
NM
R1222
100
R1110
1k
R1164
4.7k
R1208
NM
R1219
10k
R1223
10
R1212 N M
R1206 N M
R1205
NM
R1204
NM
R1203
NM
R1202
NM
R1201
NM
R1103
47k
R1209
NM
R1152
4.7k
R1167
1k
R1168
1k
R1154
0
R1151
0
R1169
0
R1153
1k
VA1121
NM
VA1126
NM
VA1124
NM
VA1123
NM
VA1129
NM
VA1130
NM
VA1112
NM
VA1118
NM
VA1117
NM
VA1120
NM
VA1115
NM
VA1119
NM
VA1111
NM
VA1116
NM
VA1114
NM
VA1108
NM
VA1101
NM
VA1103
NM
VA1104
NM
VA1106
NM
VA1128
NM
VA1127
NM
VA1125
NM
VA1122
NM
VA1139
NM
VA1140
NM
VA1134
NM
VA1131
NM
VA1132
NM
VA1138
NM
VA1133
NM
VA1135
NM
VA1136
NM
VA1137
NM
VA1113
NM
VA1109
NM
VA1107
NM
VA1105
NM
VA1110
NM
VA1102
NM
V+5DHD
V+3RX
V+5R1
V+5R2
V+5R3
V+1R8 HD
V+3R3HD
V+5E4
V+5E3
V+5R1 V +5DHD
V+5E1
V+5DHD
V+5E2
V+5R2
V+5E3
V+5R3
V+5DHD
V+5E3
V+5E2
V+5E4
V+5R4
V+5E4
V+5E1 V +5E1
V+5E2
R1114
0
R1115
0
NM
Q1103
R1113
0
S-24CS02AFT
IC1204
A0
1
A1
2
A2
3
GN D
45
SDA
6
SCL
7
WP
8
VCC
NM
IC1203
A0
1
A1
2
A2
3
GN D
45
SDA
6
SCL
7
WP
8
VCC
NM
IC1202
A0
1
A1
2
A2
3
GN D
45
SDA
6
SCL
7
WP
8
VCC
NM
IC1201
A0
1
A1
2
A2
3
GN D
45
SDA
6
SCL
7
WP
8
VCC
C1168
470p/50
C1169
470p/50
C1170
470p/50
C1171
470p/50
C1172
470p/50
C1173
470p/50
C1174
470p/50
C1175
470p/50
L1101
NM
L1102
NM
L1103
NM
L1104
NM
C1166
0.01u/16
R1170
470
AKP7225-A
JA1101
1
Data2+
2
Data2 Shield
3
Data2-
4
Data1+
5
Data1 Shield
6
Data1-
7
Data0+
8
Data0 Shield
9
Data0-
10
Clock+
11
Clock Shield
12
Clock-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC GND
18
+5V
19
Hot Plug Detect
AKP7225-A
JA1102
1
Data2+
2
Data2 Shield
3
Data2-
4
Data1+
5
Data1 Shield
6
Data1-
7
Data0+
8
Data0 Shield
9
Data0-
10
Clock+
11
Clock Shield
12
Clock-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC GND
18
+5V
19
Hot Plug Detect
AKP7225-A
JA1103
1
Data2+
2
Data2 Shield
3
Data2-
4
Data1+
5
Data1 Shield
6
Data1-
7
Data0+
8
Data0 Shield
9
Data0-
10
Clock+
11
Clock Shield
12
Clock-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC GND
18
+5V
19
Hot Plug Detect
AKP7225-A
JA1104
1
Data2+
2
Data2 Shield
3
Data2-
4
Data1+
5
Data1 Shield
6
Data1-
7
Data0+
8
Data0 Shield
9
Data0-
10
Clock+
11
Clock Shield
12
Clock-
13
CEC
14
NC
15
SCL
16
SDA
17
DDC/CEC GND
18
+5V
19
Hot Plug Detect
C1104
VCG1063-A
1000p/50
C1103
VCG1063-A
1000p/50
C1102
VCG1063-A
1000p/50
C1101
VCG1063-A
1000p/50
R1158
1.5k
(F)
R1159
1.5k
(F)
HDMI IN BD
HDMI IN 1
HDMI IN 2
HDMI IN 3
41
42
43
60
59
58
1
2
3
20
19
18

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English