Lcd Interface - LG -T370 Service Manual

3.9 LCD Interface

3.9 LCD Interface
LCD_F_DATA[0]
LCD_F_DATA[1]
LCD_F_DATA[2]
LCD_F_DATA[3]
LCD_F_DATA[4]
LCD_F_DATA[5]
LCD_F_DATA[6]
LCD_F_DATA[7]
The LM320DN1A module is a Color Active Matrix Liquid Crystal Display with an Light Emission
Diode(LED) Back Light system. The matrix employs a-Si Thin Film Transistor as the active element.
It is a transmissive type display operating in the normally Black mode. This TFT-LCD has a 3.19 inch
diagonally measured active display area with 240 * RGB * 320 resolution. Each pixel is divided into
R,G,B dots which are arranged in vertical stripes. Gray scale or the brightness of the dots
Color is determined with a 6 bit gray scale signal for each dot, thus, presenting a palette of
More than 262,144 colors.
LGE Internal Use Only
VPA_2V85
TP603
C606
C607
1u
18p
Figure 3-9-1. LCD Interface (B to B Connector on Main PCB)
VDD_IO_1V8
R604
R602
R603
DNI
CN601 DNI
100K
40 1
TP602
39 2
38 3
37 4
36 5
35 6
34 7
33 8
32 9
31 10
30 11
29 12
28 13
27 14
26 15
25 16
24 17
23 18
22 19
21 20
1u
VA601
ENBY0036001
GB042-40S-H10-E3000
- 47 - Copyright © 01 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
VBAT
C622
1u
LCD_PWM
LCD_ID
LCD_LED_CA1
C603
LCD_LED_CA2
LCD_LED_CA3
2.2u
LCD_LED_CA4
LCD_LED_CA5
LCD_IFMODE
LCD_F_RS
LCD_F_CS_N
LCD_RST_N
LCD_F_RD
LCD_F_WR_N
LCD_VSYNC_OUT
Only for training and service purposes