
SGH-P730 Flow Chart of Troubleshooting and Circuit Diagrams
2-13
8. LCD backlight
Backlight "ON" mode in
the menu?
Backlight does not work
Check conecting
between PBA and LCD
conector
Select backlight "ON" mode
Check FPCB
END
No
Yes
No
Check CN304 pin 28=
"high"?
Check the LCD
Yes
Yes
No