LG KU580 Service Manual - Page 47

Display & LCD FPC Interface - white

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3. Technical Brief 3.2.5 Display & LCD FPC Interface LCD module include device in table 3-2 Device Main LCD Main LCD Backlight Type 320 x RGB x 240 262K Color TFT LCD 4 White LEDs Table 3-2-3. Device in LCD Module LCD Module is connected to Key PCB with 40-pin Connector in sub PCB. The LCD is controlled by 8bit PDI(Parallel Data Interface) in DB3100. No. Signal 1 GND 2 LED C1 3 LED C4 4 LED A 5 GND 6 RESET 7 GND 8 D15 9 D13 10 D11 11 D9 12 D7 13 D5 14 D3 15 D1 16 RD/ 17 RS 18 VSYNC 19 IOVCC(1.8V) 20 GND No. Signal 21 GND 22 VDD(2.8V) 23 MAKER ID(LOW) 24 CS/ 25 WR/ 26 D0 27 D2 28 D4 29 D6 30 D8 31 D10 32 D12 33 D14 34 GND 35 GND 36 IF(IM) 37 GND 38 LED C3 39 LED C2 40 GND Table 3-2-4. Interface between LCD module and SUB PCB LGE Internal Use Only - 48 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes

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- 48 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
3. Technical Brief
3.2.5 Display & LCD FPC Interface
LCD module include device in table 3-2
LCD Module is connected to Key PCB with 40-pin Connector in sub PCB. The LCD is controlled by 8-
bit PDI(Parallel Data Interface) in DB3100.
Table 3-2-3. Device in LCD Module
Table 3-2-4. Interface between LCD module and SUB PCB
Device
Type
Main LCD
320 x RGB x 240 262K Color TFT LCD
Main LCD Backlight
4 White LEDs
No.
Signal
No.
Signal
1
GND
21
GND
2
LED C1
22
VDD(2.8V)
3
LED C4
23
MAKER ID(LOW)
4
LED A
24
CS/
5
GND
25
WR/
6
RESET
26
D0
7
GND
27
D2
8
D15
28
D4
9
D13
29
D6
10
D11
30
D8
11
D9
31
D10
12
D7
32
D12
13
D5
33
D14
14
D3
34
GND
15
D1
35
GND
16
RD/
36
IF(IM)
17
RS
37
GND
18
VSYNC
38
LED C3
19
IOVCC(1.8V)
39
LED C2
20
GND
40
GND