LG U990 Service Manual page 140

R718 : VGA_CAM_PCLK
R717 : VGA_CAM_MCLK
VGA_CAM_PWDN
R717
VGA_CAM_MCLK
10
MMP_CAM_PCLK
VGA_CAM_DATA[0]
VGA_CAM_DATA[1]
VGA_CAM_DATA[2]
VGA_CAM_DATA[3]
VGA_CAM_DATA[4]
VGA_CAM_DATA[5]
MOTOR+
MOTOR-
RCV+
RCV-
VA713 : VGA_CAM_PWDN
VA713 : VGA_VDD_2.7V
ICVE10184E070R100FR
1
MMP_CAM_DATA[0]
INOUT_A1
2
MMP_CAM_DATA[1]
INOUT_A2
3
MMP_CAM_DATA[2]
INOUT_A3
4
MMP_CAM_DATA[3]
INOUT_A4
5M_CAM_MCLK
VGA_CAM_MCLK
5M_CAM_MCLK
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VGA_VDD_2.7V
CN701
1 30
2 29
3 28
R718 10 4 27
5 26
6 25
7 24
8 23
9 22
10 21
11 20
12 19
13 18
14 17
15 16
NA
VA713 : VGA_VDD_2.7V
FL700
9
VGA_CAM_DATA[0]
INOUT_B1
8
VGA_CAM_DATA[1]
INOUT_B2
7
VGA_CAM_DATA[2]
INOUT_B3
6
VGA_CAM_DATA[3]
INOUT_B4
FL700
U604
U604 NC7SB3157L6X
1
B1
2
GND
3
B0
U607
1
B1
2
GND
3
B0
U607
Schematic of VGA camera part
- 141 -
4. TROUBLE SHOOTING
VGA_VDD_1.8V
R724 10
R725 10
C709
C710 C711 C712 C713
0.1u 0.1u 10p 10p
0.1u
C709 : VGA_VDD_1.8V
FL701
ICVE10184E070R100FR
1
MMP_CAM_DATA[4]
INOUT_A1
2
MMP_CAM_DATA[5]
INOUT_A2
3
MMP_CAM_DATA[6]
INOUT_A3
4
MMP_CAM_DATA[7]
INOUT_A4
6
S CAM_SELECT_N
5
+VPWR
VCC
4
A CAM_MCLK
NC7SB3157L6X
6
S
5
+VPWR
VCC
4
A MMP_CAM_MCLK
C621 C622
0.1u 0.1u
VGA_CAM_RESET_N
R719 10
I2C_SCL
R720 10
I2C_SDA
MMP_CAM_HSYNC
MMP_CAM_VSYNC
VGA_CAM_DATA[7]
VGA_CAM_DATA[6]
x+
Y+
x-
Y-
C714 C715
10p 10p
9
VGA_CAM_DATA[4]
INOUT_B1
8
VGA_CAM_DATA[5]
INOUT_B2
7
VGA_CAM_DATA[6]
INOUT_B3
6
VGA_CAM_DATA[7]
INOUT_B4
FL701
LGE Internal Use Only