Table of Contents
Advertisement
4.8 LCD Trouble
TEST POINT
-LCD assembly status ( FPCB)
-LCD Interface's status
-Connector combination
-Data signal through EMI filter
CIRCUIT
FL301
LCD_D(0:7)
EVRC14S03Q030100R
LCD_D(7)
INOUT_A4
INOUT_B4
4
LCD_D(6)
INOUT_A3
INOUT_B3
3
LCD_D(5)
INOUT_A2
INOUT_B2
LCD_D(4)
2
INOUT_A1
INOUT_B1
1
9
LCD_D(3)
INOUT_B1
INOUT_A1
LCD_D(2)
8
INOUT_B2
INOUT_A2
7
LCD_D(1)
INOUT_B3
INOUT_A3
LCD_D(0)
6
INOUT_B4
INOUT_A4
FL303
EVRC14S03Q030100R
FL305
EVRC14S03Q030100R
9
LCD_ADS
INOUT_B1
INOUT_A1
8
_LCD_WR
INOUT_B2
INOUT_A2
7
_LCD_MAIN_CS
INOUT_B3
INOUT_A3
6
_LCD_SUB_CS
INOUT_B4
INOUT_A4
R308
LCD_ID
47K
R312
100K
SPK_P
SPK_N
EAR_P
EAR_N
MOTOR_P
IND_LED_B
IND_LED_R
VA300
varistor
VA301
NA
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CN101
6
7
8
9
1
2
3
4
1
2
3
4
LCD_RESET
CAM_RESET
VA302
VA303
C315
C316
C314
1000p
0.1u
1u
4. TROUBLE SHOOTING
CN301
V_EXTH
V_IO
VBAT
CN301
CN301
54
1
53
2
52
3
51
4
50
5
49
6
48
7
47
8
46
9
45
10
44
11
43
12
42
13
41
14
40
15
39
16
38
17
37
18
36
19
35
20
34
21
33
22
CAM_PWDN
32
23
31
24
30
25
29
26
28
27
C312
C313
0.1u
0.1u
- 59 -
CAM_D(0:7)
FL300
ICVE10184E050R101FR
9
1
CAM_D(7)
INOUT_B1
INOUT_A1
8
2
CAM_D(6)
INOUT_B2
INOUT_A2
7
3
CAM_D(5)
INOUT_B3
INOUT_A3
6
4
CAM_D(4)
INOUT_B4
INOUT_A4
FL302
ICVE10184E050R101FR
9
1
CAM_D(3)
INOUT_B1
INOUT_A1
8
2
CAM_D(2)
INOUT_B2
INOUT_A2
7
3
CAM_D(1)
INOUT_B3
INOUT_A3
6
4
CAM_D(0)
INOUT_B4
INOUT_A4
FL304
ICVE10184E050R101FR
9
1
INOUT_B1
INOUT_A1
CAM_MCLK
8
2
INOUT_B2
INOUT_A2
CAM_PCLK
7
3
INOUT_B3
INOUT_A3
CAM_HS
6
4
INOUT_B4
INOUT_A4
CAM_VS
I2C_SDA
I2C_SCL
MLED1
MLED2
VRWLED
1V8_CAM
2V8_CAM
C310
C311
0.1u
0.1u
LGE Internal Use Only
Advertisement
Table of Contents
