
- 80 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
CIRCUIT
FL303
15pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL304
15pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL305
15pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
LCD_RS
LCD_CS_N
LCD_WR_N
LCD_D[02]
LCD_D[04]
LCD_D[06]
LCD_D[07]
LCD_D[05]
LCD_D[03]
LCD_D[00]
LCD_F_DATA[4]
LCD_F_DATA[5]
LCD_F_DATA[6]
LCD_F_DATA[7]
LCD_F_DATA[3]
LCD_F_DATA[2]
LCD_F_DATA[1]
LCD_F_DATA[0]
LCD_RST_N
LCD_F_CS_N
LCD_F_RS
LCD_F_WR_N
LCD_D[01]
LCD_F_RST_N
CN302
EAJ61757101
LM177BN1A
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1u
C322
VAUX_2V85
C323
1u
VDD_IO_1V8
VBAT
1u
C321
VA301
LCD_VSYNC
LCD_MAKER_ID
LCD_F_DATA[4]
LCD_F_DATA[5]
LCD_F_DATA[6]
LCD_F_DATA[7]
LCD_F_DATA[3]
LCD_F_DATA[2]
LCD_F_DATA[1]
LCD_F_DATA[0]
LCD_F_CS_N
LCD_F_RS
LCD_F_WR_N
LCD_LED_CA2
LCD_LED_CA1
LCD_F_RST_N
RDX / READ
TP1