HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4444
6-16. SCHEMATIC DIAGRAM - MAIN Board (9/12) -
• See page 65 for IC Block Diagrams.
Note: IC1103 on the MAIN board cannot exchange with single. When IC1103
on the MAIN board is damaged, exchange the entire mounted board.
(8/12)
MAIN
29
BOARD
MAIN
(8/12)
BOARD
32
28
BOARD
(8/12)
MAIN
IC B/DIC B/D
IC B/D
BOARD
(8/12)
MAIN
30
(6/12)
BOARD
19
MAIN
BOARD
(6/12)
MAIN
16
BOARD
(6/12)
MAIN
17
6.8
4.9
3.3
1.3
3.3
2.72.7
1.7
2.8
3.3
0
3.1
2.8
0
3.3
1.6 (0) 0.8 (2.4)
1.6 (0.7)
1.8
1.4
2.1 (1)
2.1
2.5 (1.8)
1.3
0
0
3.3
3.3
3.3
3.3
0
1.4 (3)
1.5
(1.8)
2.1
2 (1.7)
2.1
2.1
2.1
1.9
2.1 (1.1)
2
2
0.7 (1.6)
3.3
(1.6)
1.9
1.5
1.3
0
0
2
0.7
2.3
3.2 4.9
3.3 3.3
4.9 3.2
0 3.3
3.3
0
3.3
3.3
3.3
3.3
3.31.3
53.3
(1.6)
(0)
(0)
1.7
0
0
0
3.3
1.5
1.8
1.9 (∗)
3.3
(∗)
(∗)
(∗)
3.3
(∗)
1 (∗)
(∗)
(∗)
(∗)
(∗)
3.3
3.3
1.1
0.7
1.2
2.2
1.9
1.1
0.5
1.1
1.4
0.9
1.3
1.1
(∗)
(∗)
(∗)
(∗)
2 (∗)
1 (∗)
(∗)
3 (∗)
(∗)
0 (∗)
(∗)
(∗)
(∗)
(∗)
(∗)
(∗)
(∗)
1.1
0.8
3.3
0.6
0.3
3.3
3.3
3.2
2.9
1.4
1.4
0.6
0.9
1.5
1.9
3.3
47
RB1106
1
C1102
0.1
C1179
54
321
TK11133CSCL-G
IC1105
CONT
GND
NOISE
VOUT
VIN
2.7kR2110
10k
R1105
1k
R1193
0.22
C1182
0.1
C1184
47
RB1105
10k
R1106
1k
R1191
0.1
C1191
0.1
C1197
0.1
C1180
JL1107
JL1108
JL1109
JL 1110
JL 1111
JL 1112
0
R2133
D3.3V
5V
0.22
C1186
10k
R1151
FB1108
0.1
C1181
1k
R1135
0.01
C2130
FB 1111
C1110
0.1
FB1106
47
RB1107
47
RB1108
D1 G2 S2
D2G1S1
UM6K1N-TN
Q1701
5
43
2
1
TK11150CSCL-G
IC1707
CONT
GND
NOISEVOUT
VIN
54
321
TC7SZ08FU(TE85R)
IC1705
VSS
VDD
0
R1786
0
R1784
0
R1783
0
R1747
0
R1748
0
R1751
1.8kR1750
0
R1752
CL1701
0.01
C1725
0.1
C1727
0
R1753
0.22
C1730
0.22
C1729
10V47
C1728
CL1702
0R2746
220
R9945
0
R9935
RT1N141C-TP-1
Q9729
2SC4154TP-1EF
Q9728
2SC4154TP-1EF
Q9726
27k
R9941
22k
R9928
1k
R9924
10k
R9934
22k
R9929
10k
R9922
R9920
0
1k
R9918
0.1
C9972
48 43
65
46
4321
47 45 44 42 41 37383940
1210 11987
36 3132333435
181716151413
30 29 28 27 26 25
242322212019
MX29LV320CBT70-CHI1-0803UC
(EXCEPT HDX275: E3, AUS)
MX29LV320CBT70-CHI1-0803CE (HDX275: E3, AUS)
IC1102
A15
A14
A13
A12
A11
A10
A9
A8
A19
N.C
WE
RESET
N.C.
N.C.
RY/BY
A18
A17
A7
A6
A5
A4
A3
A2
A1 A0
CE
VSS
OE
DQ0
DQ8
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
VCC
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15/A-1
VSS
BYTE
A16
E3.3V
CEC_TX_OUT
XSYSRST
1.8k
R1749
100
R1198
+6V
1
2
3
4
5
6
6P
CN1105
TXD
RXD
GND
+3.3V
V2REFO
RFMON
ISA1602AM1TP-1EF
Q9724
R1754 0
0.01
C2100
47k
R1742
CEC_RX_IN
MA2J1110GLS0
D9712
10V
100
C1190
47 48 49
8
50 51 52 53 54
1234567
41 42 43 44 45 46
14 13 12 11 10 9
34 4035 36 37 38 39
16 151718192021
28
27
29 30 31 32 33
26 25 24 23 22
V54C365164VEI7
IC1104
VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0
BA1
A10
A0
A1
A2
A3
VDD
VSS
A4
A5
A6
A7
A8
A9
A11
NC
CKE
CLK
UDQM
NC
VSS
DQ8
VDDQ
DQ9
DQ10
VSSQ
DQ11
DQ12
VDDQ
DQ13
DQ14
VSSQ
DQ15
VSS
R2203
0
1
23
4
L1701
90uH
1
23
4
L1704
90uH
1
23
4
L1702
90uH
1
23
4
L1703
90uH
876
5
4
321
S-24CS64A01-J8T1G
IC1103
A0
A1
A2
GND SDA
SCL
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CN1701
19P
TMDS DATA2+
TMDS DATA2 SHIELD
TMDS DATA2-
TMDS DATA1+
TMDS DATA1 SHIELD
TMDS DATA1-
TMDS DATA0+
TMDS DATA0 SHIELD
TMDS DATA0-
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved
SCL
SDA
DOC/CEC GND
+5 POWER
HPD
5
4 3
2
1
TK11133CSCL-G
IC1708
CONT
GND
NOISEVOUT
VIN
C1732 0.01
C1731
0.22
5V
C1733
0.22
C1734
1
R2201
0
0.01
C1726
54
321
TC7SZ08FU(TE85R)
IC1706
VSS
VDD
HDMI_PCONT
0
R1743
A17
A0
A1
A16
A15
A14
A13
A12
A11
A10
A9
A20
A19
A18
A8
A7
A6
A5
A4
A3
A2
HD7
HD6
HD5
HD4
HD3
HD2
HD1
HD0
XRD
XROMCS
XWR
RD8 RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
A21
RD12
RD13
RD14
RD15
RD9
RD10
RD11
DQM1
RA3
RA2
RA1
RA0
RA10
BA1
BA0
RCS
DQMO
RWE
CAS
RAS
CLKE
RA11
RA9
RA8
RA7
RA6
RA5
RA4
72
71
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
96
97
92
95
98
93
99
94
101
100
102
IC1705
LEVEL SHIFT
IC1708
+3.3V REGULATOR
IC1707
+5V REGULATOR
IC1706
LEVEL SHIFT
IC1104
SD-RAM
IC1103
EEPROM
IC1102
FLASH ROM
IC1105
+3.3V REGULATOR
(9/12)MAIN BOARD
HDMI OUT
CEC DATA SWITCH
Q9724, 9726, 9728, 9729
(FOR JIG)
Q1701
LEVEL SHIFT
189117
J
15
G
2 10
E
1 83 145
K
6
D
B
C
1613
A
12 174
I
F
H
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