Digital Main Assy (3/11) - Pioneer SC-LX85 Service Manual

1

10.10 DIGITAL MAIN ASSY (3/11)

V+5_R1 V+5_HD
A V+5_E1
JA901
D901
1SS301
AKP7268-A
RT4
RT3
C901
HDMI IN 2
NM
RT2
RT1
*R903
10
Hot Plug Detect 19
C902
+5V 18
330p/50
17
DDC/CEC GND
R904 NM
16
SDA
R905 NM
SCL 15
NC 14
R901 NM
13
CEC
12
Clock-
Clock Shield 11
Clock+ 10
Data0- 9
8
Data0 Shield
7
Data0+
Data1- 6
Data1 Shield 5
4
Data1+
3
Data2-
Data2 Shield 2
Data2+ 1
B
GNDD
JA902
V+5_R2
AKP7268-A RT4
RT3
HDMI IN BD C903
RT2
NM
RT1
*R906
10
Hot Plug Detect 19
C904
+5V 18
330p/50
DDC/CEC GND 17
R907
NM
16
SDA
R908
NM
15
SCL
NC 14
R909
NM
CEC 13
12
Clock-
11
Clock Shield
Clock+ 10
Data0- 9
8
Data0 Shield
7
Data0+
C
Data1- 6
Data1 Shield 5
4
Data1+
3
Data2-
Data2 Shield 2
Data2+ 1
GNDD
JA903
AKP7268-A
RT4 V+5_R3
RT3
HDMI IN DVD
C905
NM
RT2
RT1
*R910
10
Hot Plug Detect 19
C906
+5V 18
330p/50
DDC/CEC GND 17
R911
NM
16
SDA
R912
NM
SCL 15
NC 14
D
R913
NM
CEC 13
12
Clock-
Clock Shield 11
Clock+ 10
Data0- 9
Data0 Shield 8
7
Data0+
Data1- 6
Data1 Shield 5
Data1+ 4
3
Data2-
Data2 Shield 2
Data2+ 1
GNDD
JA904
V+5_R4
AKP7268-A RT4
RT3
HDMI IN DVR
C907
NM
RT2
E
RT1
*R914
10
19
Hot Plug Detect
C908
+5V 18
330p/50
DDC/CEC GND 17
R915
NM
16
SDA
R916
NM
15
SCL
14
NC
R902
NM
CEC 13
Clock- 12
11
Clock Shield
10
Clock+
Data0- 9
Data0 Shield 8
7
Data0+
6
Data1-
Data1 Shield 5
Data1+ 4
3
Data2-
2
Data2 Shield
Data2+ 1
GNDD
F
F
3/11
114
1
2
HPD_1
SDA_1
SCL_1
R1XC-
R1XC+
R1X0-
V+5_R7
R1X0+
V+5_R1
V+5_F V+5_R2
R1X1-
R1X1+
R1X2-
R1X2+
HPD2
DSDA2
DSCL2
R2XC-
R2XC+
R2X0-
R2X0+
R2X1-
R2X1+
R2X2-
R2X2+
V+3R3_HHH
V+1R2_RX
L901
ATL7010-A
R0XC-
R0XC+
R0X0-
HPD3
R0X0+
R0X1-
R0X1+
DSDA3
R0X2-
DSCL3
R0X2+
R2XC-
R3XC-
R2XC+
R3XC+
R2X0-
R2X0+
R3X0-
R2X1-
R3X0+
R2X1+
R2X2-
R3X1-
R2X2+
R3X1+
R3XC-
R3X2-
R3XC+
R3X2+
R3X0-
R3X0+
R3X1-
R3X1+
R3X2-
R3X2+
R4XC-
R4XC+
R4X0-
R4X0+
R4X1-
R4X1+
R4X2-
R4X2+
HPD4
DSDA4
DSCL4
R4XC-
R4XC+
R4X0-
R4X0+
R4X1-
R4X1+
R4X2-
R4X2+
The mark found on some component
parts should be replaced with same
NOTE
parts (safety regulation authorized)
of identical designation.
1. NM : NO MOUNT
2
3
RFXC-
RFXC+
RFX0-
RFX0+
RFX1-
RFX1+
V+3R3_HHH
RFX2-
HOTDETB
RFX2+
C909 HOTDETC
NM
R935
C910 R5XC-
NM NM R5XC+
IC901
R5X0-
1 16
1G VCC Q901 R5X0+
2 15 NM
B 2G R5X1-
3 14
HOTDETA
1C3 A R5X1+
V+5_R6 V+5_R4 V+5_R3
4 13
1C2 2C3 R5X2-
5 12
1C1 2C2 R5X2+
6 11
1C0 2C1
7 10
1Y 2C0 R1XC-
8 9
R1XC+
GND 2Y
R1X0-
NM
R1X0+
D902
R1X1-
HDMI5VDET
GNDD
R1X1+
NM
R1X2-
R1X2+
GNDD
L902
VTL1129-A
109
R0XC-
110 R0XC+
R0X0-
111
R0X0+
112
R0X1-
113
109
R0X1+
C917
114
10p/50
110
R0X2-
115
C918
111
R0X2+
470p/50
116
C919 AVCC12_1
117
0.1u/16
R1XC-
118
R1XC+
119
R1X0-
120
R1X0+
121
R1X1-
122
R1X1+
123
R1X2-
124
C920
R1X2+
330p/50
125
C921 AVCC33_2
126
0.1u/16
R2XC-
127
R2XC+
128
R2X0-
129
R2X0+
130
R2X1-
131
R2X1+
132
R2X2-
133
C922
R2X2+
0.1u/16
134
C923 AVCC12_2
135
330p/50
R3XC-
136
R3XC+
142
137
R3X0-
143
138
R3X0+
144
139
R3X1-
140
R3X1+
141
R3X2-
142 R3X2+
AVCC33_3
C924
143
100p/50
C925 144
0.1u/16
V+1R2_RX
L903
V+3R3_HHH VTL1129-A
L904
VTL1129-A
GNDD
R958
1M
GNDD
4 3
1 2
X901
ASS7092-A
27MHz
GNDD
All 1u/10 is DCH1246-A.
SC-57
3
4
1
2
R1X0N
3 R1X0P
R1X1N
4
R1X1P
5
R1X2N
C1009
6
R1X2P
0.1u/16
7
*C1008
VDD33_1
8
100p/50
R2XCN
9
R2XCP
10
R2X0N
11
R2X0P
IC905
12
SiI9387CTU
R2X1N 101
13
R2X1P
14
GND
R2X2N
C1007
15
GNDD
R2X2P
0.1u/16
16
C1006
VDD33_2
470p/50 17
R3XCN
18
R3XCP
19
R3X0N
20
R3X0P
21
R3X1N
22
R3X1P
23
R3X2N
C1018
24 R3X2P
AVDD12_1
0.1u/16
25
C1010
470p/50
V+1R2_RX
L922
ATL7010-A
GNDD
72
71
Q18
70
Q19
69
Q20
68
IOVCC33_3 72
Q21
67
CVCC12_3 71
Q22
66
70
Q23
65
Q24
64
Q25
63
Q26
62
IOVCC33_2
IC903
61
CVCC12_2
60
SII9233ACTU
Q27
59
Q28
58
Q29
57
Q30
56
Q31
GNDD
55
Q32
54
Q33
53
Q34
52
Q35
51
GND_1
50
RSVDNC_7
49
RSVDNC_6
48
RSVDL_3
47
RSVDNC_5
46
RSVDNC_4
45
DSDA3
39
44
DSCL3
38
43
HPD3
37
42
R3PWR5V
41
DSDA2
40
DSCL2
HPD2 39
R2PWR5V
38
37
R992
V+5_HD
AWX9727(MH_SY,J) AWX9824(ML_CU,GEN) AWX9825(SH_CU) AWX9826(SL_CU)
C995 VCH1277-A 220u/4 220u/4 220u/4
C996 ACH7306-A NM NM NM
C1008 100p/50 470p/50 470p/50 470p/50
C1011 10p/50 10p/50 NM NM
C1031 VCH1234-A 100u/16 100u/16 100u/16
R903 10 10 0 0
R906 10 10 0 0
R910 10 10 0 0
R914 10 10 0 0
R1036 10 10 0 0
R1077 10 10 0 0
4
R
75
74
R3PWR5V
CBUS_HPD3 73
DSCL3
72
DSDA3
71
CSCL
70
CSDA
69
GPIO1
68
GPIO0
67
INT
66
CEC_A
65
R5PWR5V(VGA)
64
SBVCC5
63
HDMI_RSVD
62
DSCL5(VGA)
61
DSDA5(VGA)
60
R4PWR5V
59
CBUS_HPD4
58
DSCL4
57
DSDA4
56
R2PWR5V
55
CBUS_HPD2
54
DSCL2
53
DSDA2
MICOM_VCC33 52
R1PWR5V
51
V+3R3_H
R918
1k
R919
1k
V+3R3_HHH
L905
ATL7010-A
V+1R2_RX
L906
ATL7010-A
C977
0.1u/16
C978
33p/50
C979
470p/50
R1003 0
C980
R1004 0
0.01u/25
1 8 R998
0
2 7
6
3
4 5
1 8 R999
68
C981
2 7
0.1u/16
6
3
C982
4 5
470p/50
C983
470p/50
C984
8 R1000
1
0.1u/16 0
2 7
3 6
4 5
R1001
1 8
0
2 7
3 6
4 5
R1005 10
R1006 10
V+5_R4
R1011 10
R1007 10
R1008 10
V+5_R3
R995
10
V+5_R2
10
AWX9827(MH_CU,GEN) AWX9930(SH_SY,GEN&SL_SY) AW
VCH1277-A 220u/4 220
ACH7306-A NM NM
470p/50 470p/50 470
10p/50 10p/50 10p
VCH1234-A 100u/16 100
10 0 0
10 0 0
10 0 0
10 0 0
10 0 0
10 0 0