Lcd Display - LG GD910 Service Manual

3. BB Circuit Technical brief

3.7 LCD Display

LCD module include:
- Main LCD: 1.43" ,128X160 qqVGA, 262K , color TFT , TF
- Backlight : 3 pieces of white LED
LCD CON
2V85_VLCD
2V62_VIO
DIF_D0
DIF_D1
DIF_D2
DIF_D3
DIF_D4
DIF_D5
DIF_D6
DIF_D7
_DIF_RD
2V62_VIO
LGE Internal Use Only
MLED_OUT
MLED1
MLED2
MLED3
DIF_D0
DIF_D7
R216
2.2K
C11+
C261 1u
C11-
C21+
C263 1u
C21-
C22+
C267 1u
C22-
[Figure3.7-1] LCD connector circuit diagram
GD910 service manual
AXT536124
G3 G4
18 19
17 20
16 21
15 22
14 23
13 24
12 25
11 26
10 27
9 28
8 29
7 30
6 31 DIF_VSYNC
5 32
_DIF_CS1
_DIF_RESET
4 33
3 34
LCD_RS
2 35 _DIF_WR
1 36
G1 G2
CN203
C252
GVDD
C258
VDD
C262
AVDD
C266
VCL
C268
VGL
C269
VGH
- 40 - Copyright © 2009 LG Electronics. Inc. All right reserved.
VDD
AVDD
GVDD
C11+
C11-
VCL
C21+
C21-
C22+
C22-
VGL
VGH
DIF_VSYNC
_DIF_CS1
_DIF_RESET
LCD_RS
_DIF_WR
1u
1u
1u
1u
1u
1u
Only for training and service purposes