Pioneer SC-LX90 Service Manual page 47

Audio/video multi-channel amplifier
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5
LR
SW
LR
CK
MCKOUT
CK
PBCK
OUT
PLRCK
POFLR
POCSW
POSLR
HMCK
HSCK/DCK
HWS/DR0
HSD0/DL0
HSD1/DR1
HSD2/DL1
HSD3/DR2
HSPD/DL2
MCKOUT
PBCK
PLRCK
POFLR
POCSW
POSLR
IMCK
IPBCK
IPLRCK
IPD0
IPD1
IPD2
IPDA
ISPD
IMT
DSDCLK
4
DSDFL
3
DSDFR
2
DSDC
1
DSDSW
4
DSDSL
3
DSDSR
2
1
DSDCLK
4
DSDFL
3
DSDFR
2
DSDC
1
DSDSW
4
DSDSL
3
DSDSR
2
1
5
6
V+3AS
C1228
0.1u/10
IC1210
1
20
OE1
VCC
2
19
A1
OE2
R1230
3
18
A2
Y1
4
17
47
A3
Y2
5
16
R1231
91
A4
Y3
6
15
R1232
91
A5
Y4
7
14
A6
Y5
5
4
8
13
A7
Y6
6
3
9
12
A8
Y7
7
2
10
11
GND
Y8
1
8
R1242
TC74LCX541FTS1
91
C1229
0.1u/10
IC1211
1
20
OE1
VCC
R1228
2
19
A1
OE2
R1233
3
18
47
A2
Y1
47
4
17
A3
Y2
5
16
R1234
91
A4
Y3
6
15
R1235
91
A5
Y4
7
14
A6
Y5
5
4
8
13
A7
Y6
6
3
9
12
A8
Y7
2
7
10
11
GND
Y8
8
1
R1243
TC74LCX541FTS1
91
C1230
0.1u/10
IC1212
1
20
OE1
VCC
2
19
A1
OE2
R1236
3
18
A2
Y1
47
4
17
A3
Y2
5
16
R1237
91
A4
Y3
6
15
R1238
91
A5
Y4
7
14
A6
Y5
4
5
8
13
A7
Y6
6
3
9
12
A8
Y7
7
2
10
11
GND
Y8
8
1
R1244
TC74LCX541FTS1
91
C1231
0.1u/10
IC1213
1
20
OE1
VCC
R1229
2
19
A1
OE2
R1239
3
18
47
A2
Y1
47
4
17
A3
Y2
5
16
R1240
91
A4
Y3
6
15
R1241
91
A5
Y4
7
14
A6
Y5
5
4
8
13
A7
Y6
6
3
9
12
A8
Y7
7
2
10
11
GND
Y8
1
8
R1245
TC74LCX541FTS1
91
GNDD
6
7
C1232
0.1u/10
IC1214
1
G1
2
A1
3
Y2
4
GND
TC7WH125FU
GNDD
DSDCLK
DSDFL
DSDFR
DSDC
DSDSW
DSDSL
DSDSR
SC-LX90
7
8
AE
7/8
F
HDMI ASSY
CN1201
CKS3570-A
1
GND
R1250
2
HDMCLK
0
3
GND
R1251
4
HDBCK
0
5
GND
R1252
0
HDLRCK
6
8
1
7
HDFDT
2
7
8
HDCDT
3
6
9
HDSDT
4
5
10
HDBDT
R1247
11
HDXDT
0
12
GND
R1253
13
IEMCK
0
14
GND
R1254
IEBCK
15
0
16
GND
R1255
0
17
IELRCK
1
8
18
IEFDT
2
7
19
IECDT
3
6
20
IESDT
5
4
21
IEBDT
R1248
22
HDSPDIF
0
23
GND
IESPDIF
24
V+3AS
GNDD
8
VCC
7
G2
6
Y1
5
A2
AE
BAUD
CN1202
CKS3567-A
BADATA
1
BADATA
BALRCK
2
BALRCK
BABCK
3
BABCK
BAMCK
4
GND
5
BAMCK
GND
6
R1256
0
7
DSDCLK
1
8
8
DSDFL
2
7
9
DSDFR
R1249
3
6
0
10
DSDC
5
4
11
DSDSW
R1257
0
12
DSDSL
R1258
0
13
DSDSR
14
DSDSBL
DSDSBR
15
16
GND
R1259
0
17
HDMUTE
R1260
0
18
IEMUTE
GNDD
AE
8
A
B
C
F
2/8
D
E
F
7/8
F
47

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