LG GD910 Service Manual page 80

Checking Point
Checking Points Checking Points
TP1
TP1 TP1
CAM_MCK
TP6
CAM_PCK
ICVE10184E150R500FR FL404
9 1
VGA_CAM_DATA[0] INOUT_B1 INOUT_A1
8 2
VGA_CAM_DATA[1]
INOUT_B2 INOUT_A2
7 3
VGA_CAM_DATA[2] INOUT_B3 INOUT_A3
6 4
VGA_CAM_DATA[3] INOUT_B4 INOUT_A4
USB_VBUS
C515
MULTI_PORT_1
ZD305
2.2u
RSB6.8CST2R
RCLAMP0521P_TCT
9 1
VGA_CAM_DATA[4] INOUT_B1 INOUT_A1
8 2
VGA_CAM_DATA[5] INOUT_B2 INOUT_A2
7 3
VGA_CAM_DATA[6]
INOUT_B3 INOUT_A3
6 4
VGA_CAM_DATA[7] INOUT_B4 INOUT_A4
ICVE10184E150R500FR
FL405
FL404 FL404
FL405 FL405
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VGA_DVDD_1V8
CN303
C314 31 32
0.1u
1 28
2 27
3 26
TP6 TP6
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
29 30
ZD303
TP2 TP2
TP3 TP3
TP1 TP1
GD910 service manual
DIN7
VGA_AVDD_2V8
TP2
TP2 TP2 GPO1
GPO2
C315 GPO3
VGA_IOVDD_2V8
0.1u TP3
OUT1
OUT2
TP3 TP3
C318
VGA_RESET
0.1u
I2C2_SCL
I2C2_SDA
CAM_IO_OFF
CAM_HSYNC
R326
20K
CAM_VSYNC
VCHG
C516
MULTI_PORT_0 ZD304
2.2u
ZD302 RSB6.8CST2R
RCLAMP0521P_TCT
FB1 FB1 C478 C478
TP4 TP4
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5. Trouble shooting
24
VGA_DVDD_1V8 VGA_AVDD_2V8 VGA_IOVDD_2V8
19
18
17
15
FB1
13
C255 C256
1u 1u
TP4
TP4 TP4
2V62_VIO
R115 4.7K 2V62_VIO
R116 4.7K
R117 2.2K
R118 2.2K
TP5 TP5
TP5
TP6 TP6
TP5 TP5
C256 C256
C255 C255
LGE Internal Use Only
C478
1u