LG M6100 Service Manual - Page 100
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4. TROUBLE SHOOTING Checking Flow START Does LCD work properly? No Go to the LCD Trouble Yes Set the Camera button ON Yes No Check power 1.8V Yes No Check the 17MHz waveform? Check power U705 No 1V8_CAM No Check U704 Yes Change U705 Change U704 Check the C_PCLK Check the C_HS Check the C_VS Yes No Check CN100 soldering Yes Change the Camera module Resolder CN100 - 101 -
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4. TROUBLE SHOOTING
- 101 -
START
Does LCD work properly?
Change the
Camera module
No
Yes
Go to the LCD Trouble
Check power 1.8V
No
Yes
Change U705
Check the 17MHz waveform?
No
Yes
Set the Camera button ON
Check the C_PCLK
Check the C_HS
Check the C_VS
No
Resolder CN100
Yes
Yes
Check power U705
1V8_CAM
No
Change U704
Check U704
No
Check CN100 soldering
Yes
Checking Flow