Lcd Backlight - Samsung SGH-C140 Service Manual

Flow Chart of Troubleshooting

3-1-6. LCD backlight

Backlight does not work
Backlight ON "TIME"
mode in the menu?
Check conecting between
PBA and LCD conector
Check MOD300 △ v(pin
#26 - #28,29) =
3.1/2.7V(dimming)
Yes
Yes
Yes
END
No
Select backlight "15 sec" mode
No
No
Check the LCD
3-10
Check FPCB