Camera Trouble - LG KE820 Service Manual

5.5 Camera Trouble

Check Points
-Connectors combination
-EMI filter soldering
-FPCB status
ICVE10184E150R101FR FL302
9 1
CIF_PCLK INOUT_B1 INOUT_A1
8 2
CIF_RESET
INOUT_B2 INOUT_A2
7 3
SDA
INOUT_B3 INOUT_A3
6 4
SCL
INOUT_B4 INOUT_A4
FLASH_LEDA
R302 0
CIF_PD
R301 0
SPK_RCV_N
R300 0
SPK_RCV_P
R303 680
KP_IN(5)
R304 680
KP_OUT(3)
R305 680
KP_IN(4)
RPWRON
START
Check LCD connector
combination then LCD test
with New LCD
Is LCD FPCB
normal?
Yes
Signal is
normal on
Yes
Assemble
2V85_IO2 2V8_AF
FB301
CN301
51 52
1
2
3
4
5
TXD_0
6
RXD_0
7
8
9
RTS_0
10
CTS_0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
53 54
C301 C302 C303 C304
100p 1u 1u 1u
No
Replace LCD
module
Check solder and
No
repair
Damaged filter
1V8_MEM 2V85_IO2 VBAT
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
C305 C306 C307
0.1u 0.1u 0.1u
- 83 -
5. Trouble shooting
CIF_D(0:7)
FL301 ICVE10184E150R101FR
1 9
CIF_D(7)
INOUT_A1 INOUT_B1
2 8
CIF_D(6)
INOUT_A2 INOUT_B2
3 7
CIF_D(5)
INOUT_A3 INOUT_B3
4 6
CIF_D(4)
INOUT_A4 INOUT_B4
CIF_D(3)
CIF_D(2)
CIF_D(1)
CIF_D(0)
FL303 ICVE10184E150R101FR
1 9
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4
FL304 ICVE10184E150R101FR
1 9
INOUT_A1 INOUT_B1 CIF_MCLK
2 8
INOUT_A2 INOUT_B2 CIF_VS
3 7
INOUT_A3 INOUT_B3 CIF_HS
4 6
INOUT_A4 INOUT_B4
MOTOR_N
R306 680
KP_IN(2)
R307 680
KP_IN(3)
R308 680
KP_OUT(4)
R309 0
END_KEY