HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
4141
6-10. SCHEMATIC DIAGRAM – MAIN Board (3/9) –
• See page 59 for IC Block Diagrams.
When IC1103 on the Main board is damaged, exchange the
new Main board for the Main board which IC damaged.
BOARD
MAIN
(5/9)
23
BOARD
MAIN
(2/9)
12
MAIN
24
(5/9)
BOARD
39
(5/9)
MAIN
BOARD
40
(1/9)
MAIN
BOARD
IC B/DIC B/D
3.3
1.7
2.8
0
3.8
3.3
3.3
3.5
3.5
0
5 3.3 3.2
3.2 3.3 5 0.6
0
3.3
5 6.6
1.3
3.3
1.8
1.5
1.5
2.2<1.7>
0
0
0
3.3
1.5
2.4
1.1
3.3
0.8
0.8
1.1
1
3.3
1.2
1.1
<1.6>
0.9
3.3
1.3
2.1
2.1
<1.7>
0.4
0
2
1.9
<1.5>
3
3.2
3.1
3.3
2.4
3.3
0.8
0.8
0.9
3.3
0.9
1
1
1
3.3
1.1
3.3
3.3
0
<3.3>
3.3
3.3
2
0
0
1.6
<1.4>
1.5
1.5
1.5
3.3
1.9<1.5>
1.9
1.9
2<1.5>
0<2>
0.1<2.3>
0<2.1>
0<2>
1.9
1.6
1.8<2.4>
2<0>
2
0.5<3>
0
3.3
3.3
3.3
3.3
0
0
1.8
1.4
1.2<2>
1.4<0.5>
1.9<0.5>
1.9<0.9>
2.1<0.6>
1.2<0>
(AEP,UK,E3,E12,E15,AUS)
(US,CND,AR,MX)
3.3
3.3 5
3.31.3
47
RB1106
1C1102
0.1
C1179
10k
R1105
1k
R1193
47
RB1105
10kR1106
1k
R1191
0.1
C1191
0.1
C1197
0.1
C1180
D-GND
D3.3V
FB1108
0.1
C1181
1k
R1135
0.01
C2130
FB1111
C1110
0.1
47
RB1107
47
RB1108
D1 G2 S2
D2G1S1
UM6K1N-TN
Q1701
LEVEL SHIFT
54
321
CONT
GND
NOISE
VOUT
VIN
54
321
TC7SZ08FU(TE85R)
IC1705
A
B
VSS
Y
VDD
0
R1786
0
R1785
0
R1784
0
R1783
0R1747
0R1748
0R1751
1.8k
R1750
0R1752
CL1701
0.01
C1725R1744
4.7k
0.1
C1727
0
R1753
0.22
C1730
0.22
C1729
10V
47
C1728
CL17020R2746
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
6
5
46
4
3
2
1
47
45
44
42
41
37
38
39
40
12
10
11
9
8
7
36
31
32
33
34
35
18
17
16
15
14
13
30
29
28
27
26
25 24
23
22
21
20
19
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
1.8k
R1749
100
R1198
+6V
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
1
2
3
4
5
6
7
41
42
43
44
45
46
14
13
12
11
10
9
34
40
35
36
37
38
39
16
15
17
18
19
20
21
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
12
34
L1701
90uH
12
34
L1704
90uH
12
34
L1702
90uH
12
34
L1703
90uH
8
7
6
54
3
2
1
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
54
321
CONT
GND
NOISE
VOUT
VIN
C1732
0.01
C1731
0.22
5V
C1733
0.22
C1734
1
R2201
0
XRD,XROMCS,XWR
HD0-HD7
SCL,SDA,WE
A0-A21
RD0,RD1,RD2,RD3,RD4,RD5,RD6,RD7
RD8-RD15
CLKE,RA4,RA5,RA6,RA7,RA8,RA9,RA11
BA0,BA1,RA0,RA1,RA2,RA3,RA10,RCS
CAS,DQM1,DQMO,RAS,RWE
XSYSRST
D3.3V
D-GND
DRCLK
DDC-DA
DDC-CLK
3.3V4
3.3V5
HTPLG
D3.3V
R1757
0
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
XWRRA4
RA5
RA6
RA7
RA8
RA9
RA11
CLKE RAS
CAS
RWE
DQMO
RD8 RD7
RD6
RD5
RD4
RD3
RD2
RD1
RD0
RA3
RA2
RA1
RA0
RA10
BA1
BA0
RCS
A21
RD12
RD13
RD14
RD15
RD9
RD10
RD11
CLK+
DATA0-
DATA0+
DATA1-
DATA2-
DATA1+
DATA2+
CLK-
WE
SCL
SDA
DQM1
32M FLASH ROM
(3/9)MAIN BOARD
FLASH ROM
IC1102
SDRAM
IC1104
BUFFER
IC1705
+3.3V REG
IC1708
+5V REG
IC1707
EEPROM
IC1103
Q9724,9726,9728,9729
CEC RX/TX I/F
HDMI OUT
CLK+,CLK-,DATA0+,DATA0-,
DATA1+,DATA1-,DATA2+,DATA2-
6
D
945
H
1
E
10
A
F
C
K
G
J
B
113 872
I
S29AL032D70TF-OHIL-0801UC
S29AL032D70TF-OHIL-0801CE
TK11150CSCL-G
IC1707
TK11133CSCL-G
IC1708
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