Pioneer SC-LX90 Service Manual page 294

Audio/video multi-channel amplifier
Table of Contents

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1
10.61 HDMI ASSY (7/8)
A
R1202
HMCK
HSCK/DCK
HSD0/DL0
HWS/DR0
HSD2/DL1
HSD1/DR1
HSPD/DL2
HSD3/DR2
B
R1203
IMCK
IDSCK
IDSD0
IDSD1
IDSD2
IDSD3
IDSD4
IDSD5
C
AE
1/8,2/8
1:16H;2:16F
HDAUD
AE
6:16H
IEAUD
6/8
5:5H
EXHD
6:16E
UCIE
AE
5/8
AE
D
E
F
AE
7/8
148
1
2
V+3AS
C1205
0.1u/10
IC1201
1
20
OE1
VCC
2
19
A1
OE2
R1204
68
47
3
18
A2
Y1
4
17
A3
Y2
5
4
5
16
A4
Y3
R1207
6
3
6
15
100
A5
Y4
7
2
7
14
A6
Y5
1
8
8
13
A7
Y6
5
4
9
12
A8
Y7
6
3
10
11
GND
Y8
7
2
TC74LCX541FTS1
1
8
R1208
100
C1206
0.1u/10
IC1202
1
20
OE1
VCC
2
19
R1205
A1
OE2
68
3
18
47
A2
Y1
4
17
A3
Y2
5
4
5
16
A4
Y3
R1209
3
6
6
15
100
A5
Y4
7
2
7
14
A6
Y5
8
1
8
13
A7
Y6
5
4
9
12
A8
Y7
6
3
10
11
GND
Y8
2
7
TC74LCX541FTS1
8
1
R1210
100
GNDD
6/8
V+3AS
C1207
0.1u/10
IC1204
1
14
1A
VCC
2
13
1Y
6A
3
12
2A
6Y
4
11
2Y
5A
5
10
3A
5Y
6
9
3Y
4A
7
8
GND
4Y
TC74VHC04FTS1
GNDD
2
3
V+2R5IE
L1203
QTL1013-A
C1216
ACH7276-A
220u
C1217
0.1u/10
37
VDDL_4
38
DSBCK
39
DSIFL
40
DSIFR
41
DSICT
SM5819AF
42
DSISW
DSD/PCM Converter
43
DSISL
44
DSISR
DIRDSCK
45
SYNC
46
INIT
47
VSS_6
48
1
2
3
4
5
6
7
8
TC74LCX157FTS1
V+3AS
C1215
0.1u/10
IC1205
1
14
1A
VCC
2
13
1B
4B
3
12
1Y
4A
4
11
2A
4Y
5
10
2B
3B
6
9
2Y
3A
7
8
GND
3Y
TC74VHC32FTS1
GNDD
SC-09TX
3
4
V+3AS
V+3R3IE
L1204
ATL7010-A
C1227
ACH7276-A
220u
R1221
47
VSS_3
5
4
24
POFLR
6
3
23
POCSW
7
2
22
POSLR
8
1
21
PLRCK
IC1206
R1218
47
PBCK
20
R1219
47
VDDH_2
19
MCKOUT
R1220
18
VSS_2
17
C1224
33
FMTPCM
16
0.1u/10
DIRPCK
15
VDDL_2
14
13
GNDD
C1219
0.1u/10
Q1202
RT1P431M
IC1207
16
SEL
VCC
15
1A
ST
14
1B
4A
13
1Y
4B
12
2A
4Y
11
2B
3A
10
2Y
3B
9
GND
3Y
AE
6:6K
6/8
MAERR
V+3AS
C1225
0.1u/10
IC1208
1
20
OE1
VCC
R1215
47
2
19
HMCK
A1
OE2
3
18
HSCK/DCK
A2
Y1
4
17
HSD0/DL0
A3
Y2
5
5
16
HWS/DR0
A4
Y3
R1224
6
6
15
HSD2/DL1
91
A5
Y4
7
7
14
HSD1/DR1
A6
Y5
8
8
13
HSPD/DL2
A7
Y6
5
9
12
HSD3/DR2
A8
Y7
6
10
11
GND
Y8
7
TC74LCX541FTS1
8
0.1u/10
C1226
IC1209
1
20
OE1
VCC
R1216
2
19
IMCK
A1
OE2
IDSCK
47
3
18
A2
Y1
4
17
IDSD0
A3
Y2
5
5
16
IDSD1
A4
Y3
R1226
6
6
15
IDSD2
91
A5
Y4
7
7
14
IDSD3
A6
Y5
8
8
13
IDSD4
A7
Y6
5
9
12
IDSD5
A8
Y7
6
10
11
GND
Y8
7
TC74LCX541FTS1
8
GNDD
4
POFLR
POCSW
POSLR
PLRCK
PBCK
MCKOUT
R1222
47
DSDCLK
4
DSDFL
3
DSDFR
2
DSDC
1
DSDSW
4
DSDSL
3
DSDSR
2
1
R1225
91
R1223
47
DSDCLK
4
DSDFL
3
DSDFR
2
DSDC
1
DSDSW
4
DSDSL
3
DSDSR
2
1
R1227
91

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