Back Light - Samsung SGH-T500 Service Manual

5-9 Back Light

Backlight does not work
Backlight "ON" mode
in the menu?
R217 = "H" ?
5-15
No
Yes
No
Yes
KEY PCB LED
Replace LCD
Resolder R217,R218
or Resolder Q201
Resolder
R206,R211,R212,R213,R214,
R215,R240,R241, R242, R243
or Replace PBA
Select backlight "ON" mode
GPIO5 by test S/W
No
Q201 pin 3 = "L" ?
No
Key PCB LED on ?
Flow Chart of Troubleshooting and Circuit Diagrams
Yes
Yes
END