Camera Trouble - LG GM210 Service Manual

4.8 Camera Trouble

CHECKING FLOW
Is the connection of
S300 with Camera Module ok ?
YES
Check the each voltage level of
C308(1.8V), C309(2.8V), C106(1.5V) is right ?
(CAM_1V8_EN / CAM_2V8_EN
signal is high Level)
YES
Check the Waveform of
CAM_I2C_SCL, CAM_I2C_SDA ?
YES
Check the Waveform of
CAM_MCLK(13MHz) ?
YES
Check the Waveform of
Data pins on S300 ?
YES
Check the Waveform of
Varistor (VA300) ?
YES
Does Camera work
YES
Camera working well !
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
START
properly ?
NO
Push the camera.module
NO
Resoldering or Replace U300 / U100 (Key PCB)
NO
Resoldering R501, R502
NO
Replace U602
NO
Replace Camera Module.
NO
Resoldering VA300
NO
Replace U602
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 79 -
4. TROUBLE SHOOTING
LGE Internal Use Only