LG F3000 - Page 94

4. TROUBLESHOOTING
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START
Does LCD work properly?
Change the
Camera module
No
Yes
Go to the LCD Trouble
Check power 1.8V, 2.6V, 2.8V
No
Yes
Change U403
Check the 26MHz waveform?
No
Yes
Set the Camera button ON
Check the C_PCLK
Check the C_HS
Check the C_VS
No
Resolder CN103
Yes
Yes
Check power U401
1V8_CAM, 2V6_CAM, 2V8_ACAM
No
Change X500
Check X500
No
Check CN103 soldering
Yes
Checking Flow