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3. TECHNICAL BRIEF
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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3.13 Display
LCD module is connected to Main PCB with 30-pin B to B connector.
The LCD has LVDS interface.
Between T20 and LCD there is LVDS transmitter for LVDS interface
Figure. LCD Block Diagram
Figure. Schematic of LCD connector and LVDS transmitter
VDD_3V3
C700
0.1u
C701
10n
VDD_3V3
0.1u
C702
R702
10K
R704
10K
M700
4
D
K1
G6
G5
1
A
4
G
F6
5F
E6
E5
E1
D6
D5
C1
D1
C6
J2
5
C
J1
4
C
H2
3
C
C2
B6
B5
B4
3
B
A3
2
B
A2
1
B
A6
A4
G1
K6
1F
K4
K2
D2
5J
H4
2F
H1
G2
E2
K5
3
G
3
D
3
H
A5
5
H
J6
K3
J4
J3
H6
D11
D3
D6
D4
D9
C
C
V
D23
7
D
N
G
01
D
N
G
1
D
N
G
D7
Y2P
Y1P
Y0M
2
D
N
G
D10
3
D
N
G
CLKP
D2
D5
C
C
V
S
D
VL
D8
Y1M
D24
D22
4
D
N
G
CLKIN
C
C
VL
L
P
D26
N
DT
H
S_
D25
D21
D20
Y3P
8
D
N
G
Y0P
1
C
C
V
OI
D27
9
D
N
G
D0
D19
CLKM
Y3M
D18
D17
Y2M
D15
D16
5
D
N
G
D14
2
C
C
V
OI
6
D
N
G
D12
D13
D1
L
E
S
KL
C
LCD_DATA_EN
RGB_DOTCLK
RGB_VSYNC
RGB_HSYNC
LCD_BLUE7
LCD_BLUE6
LCD_BLUE5
LCD_BLUE4
LCD_BLUE3
LCD_BLUE2
LCD_BLUE1
LCD_BLUE0
LCD_GREEN7
LCD_GREEN6
LCD_GREEN5
LCD_GREEN4
LCD_GREEN3
LCD_GREEN2
LCD_GREEN1
LCD_GREEN0
LCD_RED7
LCD_RED6
LCD_RED5
LCD_RED4
LCD_RED3
LCD_RED2
LCD_RED1
LCD_RED0
LVDS_PWRDN_N
TXCLK_N
TXCLK_P
TXOUT_0N
TXOUT_0P
TXOUT_1N
TXOUT_1P
TXOUT_2N
TXOUT_2P
TXOUT_3N
TXOUT_3P
RGB to LVDS for 8.9"
VDD_3V3
VDD_WLED
CN700
16
15
17
14
18
13
19
12
20
11
21
10
22
9
23
8
24
7
25
6
26
5
27
4
28
3
29
2
30
1
WLED4
WLED3
WLED2
WLED1
TXCLK_N
TXCLK_P
TXOUT_0N
TXOUT_0P
TXOUT_1N
TXOUT_1P
TXOUT_2N
TXOUT_2P
TXOUT_3N
TXOUT_3P
8.9" LCD