Pioneer SC-LX81 Service Manual

116
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
10.12 HDMI NETWORK ASSY (5/6)
E 5/6
XA6 XA7 XA8 XA9 XA10 XA11 XA13
RXER
RXC
RXDV RXD0 RXD2 RXD3
MDC
TDO
XA3
XA4
XA5
XA6
XA7
XA10
XA11
XA13
XA14
XA15
XA17
XA20
FLCS
XD0
XD1
XD8
XA12
XA9
XA8
WE
XA18
XA2
XA1
OE
XD2
XD3
XD4
XD5
XD6
XD7
XD9
XD10
XD11
XD12
XD13
XD14
XD15
XA16
XA0
XA1
XA2
XA3
XA10
XA13
XA14
XA15
XA16
XA17
WE
SDCS
XD12
XD11
XD10
XD8
XA12 XA14 XA16 XA17
XA1
XA3
XA2
XD6
XD5
XD4
XD3
XA20
WE
XA19
OE
XD13
XD14
XD15
SDCLK
SDCKE
XA0
XD9
XD7
XA21
RXD1 MDIO
XA18 XA15 XA5
XD2
XD3
XD1
XD4
XD6
XD7
XD5
SDCS
FLCS
XD0
XD1
XD2
DRXD1 DTXD1
USB_D+
USB_D-
USBVB
TDI
TMS
TCK
TDO
XA4
TMS TCK TDI
CRS COL
DTXD1
XA19
XD0
XA0
TESTPIN2
SPI_CLK3
SPIMOSI
SPI_CS
DRXD1
SPI_REQ3
USBDRV
SPIMISO
SPIMISO
SPIMOSI
SPI_CS
SPI_CLK3
NBCK
NMCK NLRCK
SPI_REQ3
XRST3
XRST3
NETREQ
NET_SI
USBOL
NETCS
NET_SCK
NETRST NET_SO
USBPOW
XA21
NETPOW
CN801
AKM1276-A
V5USB
1
D-
2
D+
3
GN D
4
GN DS
5
CN902
VKN 1374-A
1
2
3 4 5
C735
1000p/50
C736
0.1u/10
C728
0.1u/10
C727
0.1u/10
C726
0.1u/10
C725
0.1u/10
C734
0.1u/10
C733
0.1u/10
C882
0.1u/10
C881
470p/50
C724
0.1u/10
C722
0.1u/10
C721
470p/50
C719
0.1u/10
C729
0.1u/10
C718
470p/50
C717
0.1u/10
C716
0.1u/10
C714
0.1u/10
C713
0.1u/10
C712
0.1u/10
C731
0.1u/10
C935
0.01u/16
C934
0.01u/16
C8 01
0.1u/16
C730
0.1u/10
C8 04
0.1u/16
C8 05
0.1u/16
C8 03
0.1u/16
C947
NM
C948
NM
C715
0.1u/10
C922
0.1u/10
C921
470p/50
C12
2.2u/10
C912
470p/50
C31
0.1u/16
C11
0.1u/16
C21
0.1u/10
C32
2.2u/10
C22
4.7u/6.3
C911
0.1u/10
C732
0.1u/10
L705
ATF1211-A
L704
ATF1211-A
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDH
GN DDHGN DDH
NJM2886DL3-33
IC31
1
CONT
2
VIN
3
GN D
4
VOUT
5
NC
NJM28 46DL3-18
IC21
1
CONT
2
VIN
3
GN D
4
VOUT
5
NC
NJM28 46DL3-33
IC11
1
CONT
2
VIN
3
GN D
4
VOUT
5
NC
IC801
AAT4618IGV -0.5-1
OUT
1
GN D
2
FAULT
3
ON
4
5
IN
IC911
TC74VHC08 FTS1
1A
1
1B
2
1Y
3
2A
4
5
2B
6
2Y
7
GN D
8
3Y
9
3A
10
3B
11
4Y
12
4A
13
4B
14
VCC
IC921
TC74VHCT08 AFTS1
1A
1
1B
2
1Y
3
2A
4
5
2B
6
2Y
7
GN D
8
3Y
9
3A
10
3B
11
4Y
12
4A
13
4B
14
VCC
DM850E
IC701
TXD0
65
GPIO[2]
66
SYNC
67
MIIRXER
68
MIIRXCLK
69
MIIRXDV
70
VDDC3
71
VSSC3
72
MIIRXD[0]
73
MIIRXD[1]
74
MIIRXD[2]
75
MIIRXD[3]
76
VSSIO6
77
VDDIO6
78
RXD1
79
TXD1
80
MIIPHYCLK
81
MIIDC
82
MIIDIO
83
TMS
84
TCK
85
VDDC4
86
VSSC4
87
VSSIO7
88
VDDIO7
89
NC1
90
TEST5
91
NC2
92
TDI
93
TDO
94
VDDC5
95
VSSC5
96
MIICRS
97
MIICOL
98
GPIO[15]
99
GPIO[14]
100
GPIO[13]
101
GPIO[12]
102
VDDIO8
103
VSSIO8
104
A[19]
105
A[20]
106
A[21]
107
NWE
108
NCS[2]
109
NCS[1]
110
NCS[0]
111
VSSIO9
112
VDDIO9
113
VDDC6
114
NOE
115
VSSC6
116
MEMCKE
117
D[0]
118
D[1]
119
D[2]
120
D[3]
121
D[4]
122
D[5]
123
VSSIO10
124
VDDIO10
125
D[6]
126
D[7]
127
VDDC7
128
VSSC7
129
D[8]
130
D[9]
131
D[10]
132
D[11]
133
D[12]
134
MEMCLK
135
VDDIO11
136
VSSIO11
137
D[13]
138
D[14]
139
D[15]
140
SPICLK
141
SPINCS[1]
142
SPIN
CS[0]
143
VDDC8
144
145
VSSC8
146
SPIMISO
147
SPIMOSI
148
NTEST3
149
NTEST4
150
VSSIO12
151
VDDIO12
152
A[0]
153
A[1]
154
A[2]
155
A[3]
156
A[4]
157
VSSIO13
158
VDDIO13
159
A[5]
160
A[6]
161
AV 1DATA[0]
162
AV 1DATA[1]
163
AV 1DATA[2]
164
AV 1DATA[3]
165
A[7]
166
A[8]
167
AV 4CTRL[0]
168
AV 4CTRL[1]
169
A[9]
170
A[10]
171
A[11]
172
A[12]
173
VSSC9
174
VDDC9
175
VSSIO14
176
VDDIO14
177
A[13]/RAS
178
A[14]/CAS
179
A[15]/BA[0]
18 0
A[16]/BA[1]
18 1
A[17]/DQM[0]
18 2
A[18]/DQM[1]
18 3
NWAIT
18 4
VCO[1]
18 5
PDOUT[1]
18 6
TEST1
18 7
NTEST2
188
VSSC10
18 9
VDDC10
190
NRESET
191
VSSIO15
192
VDDIO15
193
VCO[0]
194
PDOUT[0]
195
AV 4CLK
196
AV 0CTRL[0]
L8 02
VTH1043-A
1
1
2
2
3
3
4
4
L8 01
VTL1169-A
L8 03
NM
L936
CTF1357-A
L8 04
NM
L881
CTF1357-A
L933
NM
L911
CTF1357-A
R746
10
2
1
4
3
6
5
8
7
R747
10
2
1
4
3
6
5
8
7
R749
10
2
1
4
3
6
5
8
7
R761
22
2
1
4
3
6
5
8
7
R741
22
2
1
4
3
6
5
8
7
R769
22
2
1
4
3
6 5 8 7
R8 27
NM
2
1
4 3
6 5 8 7
R771
22
2
1
4 3
6 5 8 7
R755
10k
R754
10k
R753
47k
R752
10
R783
22
R881
NM
R883
4.7k
R751
10
R785
10
R750
10
R786
22
R748
10
R745
22
R739
10k
R740
47k
R738
47k
R737
47k 10k
R736
R735
NM
R742
4.7k
R8 56
10k
R8 55
10k
R788
33
R787
33
R885
NM
R732
47k
R969
NM
R889
0
R8 11
100
R784
22
R951
47k
R758
10k
R775
0
R766
22
R770
22
R772
22
0
R977
R773
4.7k
R774
47k
R8 01
NM
R762
22
R922
100
R924
NM
R925
NM
R763
22
R921
100
R765
22
R915
NM
R918
NM
R31 220
R916
NM
R911
100
R917
NM
R914
100
R913
100
R32
NM
R13
NM
R882
4.7k
R756
10k
R11
0
R12
220
R757
10k
R884
4.7k
R954
47k
R912
100
R953
47k
R952
47k
R8 10
220
R8 09
NM
R887
0
R967
100
R886
NM
R777
47k
R968
100
R759
10k
R8 08
NM
R8 19
47k
R8 18
22
R8 17
47k
R8 16
22
R8 15
22
R8 07
NM
R760
22
0
R8 06
R888
NM
R8 03
NM
R8 14
47k
R8 02
NM
R776
0
10k
R733
10k
R734
10k
R743
10k
R744
R764
47k
R767
47k
R768
4.7k
R778
4.7k
R779
22
R8 04
22
R8 05
22
R8 12
22
R8 13
47k
TP1089
TP1092 TP1088 TP1090 TP1091
V+3R3
V+3R3
V33D
V+3R3
V5USB
V+3R3
V+5N
V5USB
V18 D
V+3R3
V+1R8V+3R3
V+5N
V+1R8
V+5N
NET_CN T
R931
100k
R932
100k
R934
100k
R933
100k
GN DDH
R14
3.3k
R926
NM
GN DDH
D11
NM
D21
NM
22u/16
C720
47u/6.3
C723
220u/4
C23
100u/16
C8 07
100u/16
C8 02
100u/6.3
C33
C744
470p/50
C745
470p/50
C746
470p/50
C747
470p/50
C749
470p/50
C750
470p/50
R715
10k
NM
Q702
V+5N
GN DDH
V+Cp
NM
Q701
D31
NM
GN DDH
R919
1k
R920
0
C932
VCH1268-
IC881
AYW7255-A
(S29GL064N90TFI030)
AYW7255-A/J
A15
1
A14
2
A13
3
A12
4
5
A11
6
A10
7
A9
8
A8
9
A19
10
A20
11
WE#
12
RESET#
13
A21
14
WP#/ACC
15
RY/BY#
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
CE#
27
VSS1
28
OE#
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
VCC
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15/A-1
46
VSS2
47
BYTE#
48
A16
RAM/ROM
MAIN
FLASH ROM
USB POWER CON TROL
3.3VReg
3.3VReg
!
!
1.8VReg
!
(TC74VHC08 AFTS1)
NET_CNT
NETPOW
V18 D
V33D
GNDD
GNDDH
V33D
V18 D
5 3
3
5
4/6E
CN6301
C

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English