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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
CIRCUIT
CAM_IO_1V8
u1
53
3
C
R329
100K
R333
DNI
R328 180K
R327
100K
CAM_IO_1V8
FL302
5pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL301
5pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
FL300
5pF
01
5
6
4
7
3
8
2
9
1
INOUT_A1
INOUT_B1
INOUT_A2
INOUT_B2
INOUT_A3
INOUT_B3
INOUT_A4
INOUT_B4
1
G
2
G
R302
100ohms
C311
0.001uF
VA300
CAM_CORE_1V8
CAM_A_2V8
u1
90
3
C
u1
70
3
C
U304
82
72
62
52
81 71 61 51 41 31
12
24
11
23
10
22
9
21
8
20
7
19
6
5
4
3
2
1
3
D
4
D
5
D
6
D
7
D
1
D
N
G
VSYNC
MCLK
PCLK
GND2
GND5
RESET
D0
SDA
D1
SCL
D2
STANDBY
D
D
V
D
OI
D
D
V
3
D
N
G
D
D
V
A
4
D
N
G
C
N
Y
S
H
1
D
N
G
P
2
D
N
G
P
3
D
N
G
P
4
D
N
G
P
Q300
2
1
3
I2C_SDA
I2C_SCL
CAM_MCLK
CAM_PCLK
CAM_DATA[7]
CAM_DATA[6]
CAM_DATA[5]
CAM_DATA[4]
CAM_DATA[3]
CAM_DATA[2]
CAM_DATA[1]
CAM_DATA[0]
CAM_VSYNC
CAM_PWDN
CAM_HSYNC
CAM_RST
Low
High
Cam_active
Cam_sleep
Operation
CAM_PWDN
1u
C319
1u
C320
1u
C321
8
V1
_
OI
_
M
A
C
R
W
P_
A
NL
_
MF
8
V1
_
E
R
O
C_
M
A
C
8
V2
_
A_
M
A
C
2.2u
C322
R309
15
LD300
LD301
C323
0.1u
VBAT
15
R310
C318
1u
1u
C315
VBAT
C312
1u
1u
C313
C314
1u
U301
24
23
22
21
20
19
18
8
7
6
5
9
4
10
3
11
2
12
1
31 41 51 61 71
L
C
S
A
D
S
N
E
M
W
P
F
C
D
N
G
P
LDO1
N2
C
LDO2
N1
C
LDO3
P1
C
LDO4
P2
C
AGND
VIN
LDOIN
LED6
LED5
LED4
LED3
LED2
LED1
VOUT
I2C_SDA
I2C_SCL
MLED1
MLED3
MLED2
MLED4
MLED5
LED_PWM
LCD_BL_CTRL
TP8
TP7
TP6
TP5
TP4
TP4
TP1
TP