5-17
Flow chart of trouble shooting and Circuit Diagram
5-10 Back Light
Yes
END
Backlight does not work
Select backlight "ON" mode
Backlight "ON" mode
in the menu?
U108 pin J3 = "H" ?
GPO1 by test S/W
No
Yes
Yes
No
Check the
CN105 pin 17
Check the CN105 pin 17 = "H" ?
LCD backlight on ?
Replace EL sheet
No
Yes
No
LCD BACKLIGHT
KEY PCB LED
Resolder R141, R149
Q107 pin 1 = "H" ?
No
Yes
Resolder Q107
Q107 pin 3 = "L" ?
No
Yes
Yes
END
Key PCB LED on ?
Resolder CN503
or Replace Key PCB
No
Содержание SGH-A200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 03 2001 Rev 1 0 GH68 01895A ELECTRONICS ...
Страница 12: ...Exploded Views and Parts List 1 9 1 10 Battery Charger BATTERY CHAGER GH44 00177A ...
Страница 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 14: ...PCB Diagrams 2 2 2 1 1 Main RF Top ...
Страница 15: ...PCB Diagrams 2 3 2 1 2 Main Base Band Top ...
Страница 16: ...PCB Diagrams 2 4 2 2 Main Bottom ...
Страница 17: ...2 5 PCB Diagrams 2 2 1 Main RF Bottom ...
Страница 18: ...PCB Diagrams 2 6 2 2 2 Main Base Band Bottom ...
Страница 46: ...Flow chart of trouble shooting and Circuit Diagram 5 16 RI_LIGHT R706 Q101 3 CN503 KPCB A SSY ...