Lcd Display Trouble - LG KF510C Service Manual

5.4 LCD display trouble

Check Points
- LCD assembly status ( LCD FPCB, Connector on FPCB)
- EMI filter soldering
- Connector combination
LCD CONNECTOR
DIF_D0
DIF_D1
DIF_D2
DIF_D3
DIF_D4
DIF_D5
DIF_D6
DIF_D7
_DIF_WR
DIF_D8
_DIF_CS1
DIF_CD
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Only for training and service purposes
LCD_ID
TP3
FILTER1_8 FILTER2_8
8 9
FILTER1_7 FILTER2_7
7 10
FILTER1_6 FILTER2_6
6 11
FILTER1_5 FILTER2_5
5 12
FILTER1_4 FILTER2_4
4 13
FILTER1_3 FILTER2_3
3 14
FILTER1_2 FILTER2_2
2 15
FILTER1_1 FILTER2_1
1 16
CM1631-08DE FL600
_DIF_RESET
INOUT_A4 INOUT_B4
4 6
INOUT_A3 INOUT_B3
3 7
INOUT_A2 INOUT_B2
2 8
INOUT_A1 INOUT_B1
1 9
ICVE10184E150R101FR
FL601
DIF_VSYNC
MLED4
MLED3
MLED2
MLED1
MLED
TP3
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5. Trouble shooting
TP1
CN601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VA604 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
TP2
Check st at us on LCD
TP1
2V85_VFM
ICVN0505X150FR
C610 C611 VA603
1u 0.1u
2V85_VFM
C612
0.1u
LGE Internal Use Only