Schematic Diagram - Main Section (3/8) - Sony SA-CT780 Service Manual

HT-CT780
5-9.

SCHEMATIC DIAGRAM - MAIN Section (3/8) -

1 2 3
MAIN BOARD (3/8)
A
C1045
10
C1044
B
0.1
C1051
1
R1060
4.7k
RGTX0_SCL
RGTX0_SDA
C
C1048
4.7
C1049
0.1
C1056
10
C1065
D
0.1
RGTX0_HPD
E
RGTX0_CK–
>007S
BUS3 RGTX0_CK+
MAIN RGTX0_D0–
BOARD
RGTX0_D0+
(7/8)
(Page 44) RGTX0_D1–
RGTX0_D1+
RGTX0_D2–
RGTX0_D2+
F
C1052
>004S
SP_CEC
0.1
BUS5
MAIN
BOARD BUS4
C1043
0.1
(2/8)
(Page 39)
C1053
0.1
G
C1054
0.1
JL1023
C1047
>008S D_GND
10
JL1021
SP_3.3V
JL1020
MAIN
BOARD SP_5V
JL1022
(8/8)
RG_1V
(Page 45)
C1055
0.1
H
FB1004
1
2
3
>002S
I
4
MAIN 5
BOARD
(1/8)
(Page 38)
6
7
J
HT-CT780
• See page 50 for IC Block Diagrams.
4 5 6
C1064
0.1
C1050 C1041 C1059
0.1 10 0.1
R1108 R1071
2.2k 100
R1107 R1070
2.2k 100
R1065
47
R1064
47
3.4 1
VDD33OUT
4.9 2
VDD5V_IN
4.9 3
RPWR5V
0 4
RX_HPD
5
COC_GND
0.9 6
AVDD10_DOC
0 7
RXCN
0 8
RXCP
IC1004
0.9 9
AVDD10_9
3.3 10
VDD33 HDMI TRANSMITTER
0 11
IC1004
RX0N
SII9678CNUC
0 12
RX0P
0 13
RX1N
0 14
RX1P
0 15
RX2N
0 16
RX2P
0.9 17
AVDD10_17
0.9 18
FVDD10
3.3 19
VDDIO33_19
R1106 R1066
3.3k 100
R1067 C1060 C1046 C1042
FB1005 FB1006
4.7k 0.1 10 10
7 8 9 10
R1076 C1061 C1069 C1071
10k 0.1 0.1 0.1
R1104
0
RGT0_SPMI
R1072 0
R1073 0
R1077 100
RGT0_SPMO
R1080 100
RGT0_SPCS
R1081 100
RGT0_SPCK
C1074
4.7
57 3.3
C1075
HSIC_VDD33
0.1
56 1.2
VDD12OUT
55
HSIC_GND
54
HSIC_STB
53
C1073
HSIC_DAT 0.1
52
NC_52
51
XTAL_GND
50
XTAL_OUT
49
C1076
XTAL_IN
0.1
48 3.3
XTAL_VDD33
47 0
TX2P
46 0
TX2N
45 0
TX1P
44 0
TX1N
43 0
TX0P
42 0
TX0N
41 0
TXCP
40 0
TXCN
39 0.9
AVDD10_DP
C1077
0.1
C1078
10
R1078
4.7k
R1079 C1066 C1067 C1068 C1070 C1072
100 0.1 0.1 0.1 10 10
R1051 R1049
IC1003
10k 10k
SERIAL FLASH
IC1003
W25X20CLSNIG
3.3 1 8 3.3
CS VCC
0 2 7 3.3
DO(IO1) HOLD
3.3 3 6 0
WP CLK
4 5 0
GND DI(IO0)
R1061
R1048
100
40 40
11 12 13
RB1015
RB1016
R1097
100
R1098
100
JL1024
R1093 R1096
1.8k 1.8k
IC1005
+5V REGULATOR
IC1005
MM1839A50NRE
JL1019
3.3 5.8
1 CONT VIN 5
R1089
100 2 GND
4.9
3 NC VOUT 4
C1079 R1091 C1084
0.1 10k 2.2
C1092 C1089 C1057
10 0.1 2.2 R1120
220k
IC1006
BUFFER
IC1006
TC7WHU04FK
GND
CL001 5 4
1.6
6 3
1.6 2.8
7 2
3.3 1.7
8 1
VCC
R1122
C1090
470
R1117 0.1
10k
C1058
0.1
R1063 1k
R1062
10k 10k
Note: IC1004 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
14 15
CN1004
19P
1 DATA2+
2 DATA2 SHIELD
3 DATA2–
4 DATA1+
5 DATA1 SHIELD
6 DATA1–
7 DATA0+
8 DATA0 SHIELD
9 DATA0– ARC
10 CLOCK+ HDCP 2.2
HDMI OUT
11 CLOCK SHIELD
12 CLOCK–
13 CEC
14 RESERVE(NC)
15 SCL(5V)
16 SDA(5V)
17 DDC/CEC GND
18 +5V POWER
19 HOT PLUG DET
>009S
DD_6V
MAIN
BOARD
(8/8)
C1085
(Page 45)
2.2
LN1001
(CHASSIS)
>010S
ARC_SPDIF
MAIN
BOARD
R1116 (4/8)
1k
(Page 41)
C1086 C1087
1 1
R1124 R1113
68 68
R1115
47k