Display And Interface - LG C1100 Service Manual

3. TECHNICAL BRIEF

3.8 Display and Interface

Main LCD Display Format
C1100 Main LCD supports one 65,536 color LCD module.
There are the control signals : LCD_CS (This acts as the chip select enable for the LCD Driver),
WR, ADD01(RS) and LCD_RESET. DATA[00:15] pins to send data for displaying graphical text
onto the LCD.
LCD_RESET
DATA00
DATA01
DATA02
DATA03
DATA04
DATA05
DATA06
DATA07
MOTOR
ADD01
C276 C275 C254 C211
22p 22p 22p
Table 3-7. LCD module discription
Main LCD Backlight
R201 820
R203 820
R205 820
R207 820
R209 820
R211 820
R213 820
R215 820
R219 330
C212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223
22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p
VBAT
U203
10 4
IN C1+
C271 C258
C260
1uF
18p 1uF
2 3
OUT C1-
1
C2+
1uF
C261
C259
9 1uF
LCD_DIM EN_SET
12
C2-
8
D1
7
D2
6
D3
11 5
GND D4
AAT3123ITP-20-T1
Figure 3-23. LCD INTERFACE CIRCUIT
VBAT VRTC VEXT
CN201
1 34
2 33
3 32
4 31
5 30
6 29
7 28
8 27
9 26
10 25
11 24
12 23
13 22
14 21
15 20
16 19
17 18
C224 C225 C226 C256 C277 C227 C255 C257 C231
22p 22p 22p 22p 22p 22p 22p 22p 22p
LCD BACKLIGHT LED
FB1
VA207
C262 C272
39p
18p
- 34 -
128 X RGB X 128 dots
White LED Backlight
R202 820
R204 820
R206 820
R208 820
R210 820
R212 820
R214 820
R216 820
R218 330
C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 C242 C243 C244
22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p 22p
SPK_REC_N
SPK_REC_P
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA09
DATA08
WR
LCD_CS
LCD_ID
C245 C246 C247 C248 C274 C278
22p 22p 22p 22p 22p 22p