LG -MC2670 Service Manual page 51

LG-MC2670
Checking Flow : Back Light
START
No
Check the LED300:303
Re-soldering or Replace
R309:311, R314 LED300:3003, R309:311, R314
Yes
No
Re-Soldering or
Does Q300 work Properly?
Replace Q300
Yes
No
Check the signal level at
Replace MSM
LCD_BACK_EN=high?
Yes
LCD backlight will
work properly
48