Only For Training And Service Purposes - LG KG290 Service Manual

LCD Trouble
CIRCUIT
L_DATA15
L_DATA14
L_DATA13
L_DATA12
L_DATA11
L_DATA10
L_DATA09
L_DATA08
L_DATA07
L_DATA06
L_DATA05
L_DATA04
L_DATA03
L_DATA02
L_DATA01
L_DATA00
ICVE21184E150R101FR
LCD_RS
LCD_CS
LCD_WR
VSYNCOUT
KEY_ROW4
KEY_COL3
KEY_COL4
KEY_ROW0
ICVE21184E150R101FR
KEY_ROW1
KEY_ROW2
KEY_ROW3
POWERKEY
ICVE21184E150R101FR
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

I/F CONNECTOR
ICVE21184E150R101FR FL707
9 1
INOUT_B1 INOUT_A1
8 2
INOUT_B2 INOUT_A2
7 3
INOUT_B3 INOUT_A3
6 4
INOUT_B4 INOUT_A4
INOUT_B4 INOUT_A4
6 4
INOUT_B3 INOUT_A3
7 3
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL706
INOUT_B4 INOUT_A4
6 4
INOUT_B3 INOUT_A3
7 3
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL705
INOUT_B4 INOUT_A4
6 4
INOUT_B3 INOUT_A3
7 3
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1
9 1
ICVE21184E150R101FR FL704
FL703
9 1
INOUT_B1 INOUT_A1
8 2
INOUT_B2 INOUT_A2
7 3
INOUT_B3 INOUT_A3
6 4
INOUT_B4 INOUT_A4
INOUT_B4 INOUT_A4
6 4
INOUT_B3 INOUT_A3
7 3
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1
9 1
FL702
INOUT_B4 INOUT_A4
6 4
INOUT_B3 INOUT_A3
7 3
INOUT_B2 INOUT_A2
8 2
INOUT_B1 INOUT_A1
9 1
FL701
4. TROUBLE SHOOTING
2V8_VCAM
C702
MLED
MLED2
MLED1
LCD_RESET
VBACKUP
KEY_BACKLIGHT
LCD_ID1
SPK_REV_P
SPK_REV_N
- 75 -
VBAT
ECN700
FH26-61S-0.3SHW(05)
C701
1u
1
2
3
4
5
6
39p 7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
IFMODE
39
40
41
42
43
44
45
46
47
48
49
50
51
52
MOTOR
53
54
55
56
57
58
59
60
61
LGE Internal Use Only