Only For Training And Service Purposes - LG GM200 Service Manual

CHECKING FLOW
START
Check the Waveform of
EMI filter
YES
Check the Waveform of
Data pins on CN305
(nCAM_RESET, CAM_MCLK., CAM_PCLK
CAM_HSYNC, CAM_VSYNC,
CAM_I2C_DATA)
YES
Check the
voltages at pin 7, 8(TP1)
of U303 when CAM_LDO_EN
is high
YES
Check the connection of
Camera module and CN305
YES
Check the Waveform of
all pins CN305
YES
Does Camera work
properly ?
YES
Camera working well !
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

NO
Resoldering or replace EMI filter.
(FL301,FL303,FL304,FL307)
NO
Replace Main board.
NO
Replace U303 and resolder FB306,R308
NO
Reassemble camera module to CN305
NO
Replace CN305.
NO
Replace Camera
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4. TROUBLE SHOOTING
LGE Internal Use Only