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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
_[VXZZ
[UG{yv|islGzovv{pun
CIRCUIT
TP1
TP2
TP3
TP4
5pF
FL401
0
1
5
64
73
82
91
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
1
G
2
G
GND
2.2K
R407
2.2K
R408
C403
DNI
C404
DNI
CAM_IO_1V8
CAM_D_1V5CAM_A_2V8
100K
R409
1V8_VDD
0.1u
C405
R410 22
R411 51
C406
0.1u
C407
0.1u
C408
56p56p
C409
56p
C410
15p
C411
15p
C412
CN402
6
1
41
3
1
71
6
12
51
8
75
94
103
112
121
1824
1923
2022
5
2
62
72
82
9
2
0
3
1
3
2
3
1
DNG
P
2DNG
P
3D
N
GP
4
D
N
G
P
5
D
N
G
P
6DN
GP
7DNGP
8
D
N
GP
D0 PCLK
D1 VSYNC
D2 HSYNC
D3 STANDBY
D4 SCK
D5 SDA
D6 RESETB
D7 MCLK
1D
N
GD
2D
N
GD
3
D
N
GD
1
D
NG
A
2
DN
GA
DD
V
D
O
I
DD
V
DD
V
A
5pF
FL402
01
5
64
73
82
91
INOUT_A1 INOUT_B1
INOUT_A2 INOUT_B2
INOUT_A3 INOUT_B3
INOUT_A4 INOUT_B4
1
G
2
G
CAM_DATA0
CAM_DATA1
CAM_DATA2
CAM_DATA3
CAM_DATA4
CAM_DATA5
CAM_DATA6
CAM_DATA7
CAM_HSYNC
CAM_PCLK
CAM_RESET
CAM_VSYNC
CAM_MCLK
I2C_SCL
I2C_SDA
CAM_STANDBY
CAMERA INTERFACE
1u
C401
1u
C402
R427
100K
0.1u
C418
2.2u
C419
1u
C433
C420
1u
1V8_HPVDD
2.2u
C421 C422
2.2u
VBAT
324C
u
1
424C
u1
U402
24
23
22
21
20
19
18
8
7
6
5
9
4
10
3
11
2
12
1
31
4
1
51
61
7
1
LCS
ADS
NE
MWP
FC
DNGP
LDO1
N2C
LDO2
N1C
LDO3
P1
C
LDO4
P2C
AGND
VIN
LDOIN
LED6
LED5
LED4
LED3
LED2
LED1
VOUT
1V8_VDD
K
0
1
344R
CAM_A_2V8
CAM_D_1V5
CAM_IO_1V8
I2C_SCL
I2C_SDA
LCD_BL_CTRL
MLED5
MLED4
MLED3
MLED2
MLED1
TP1
TP2
TP3
TP4