
5-17
Flow chart of trouble shooting
5-10 Back Light
Yes
END
Backlight does not work
Select backlight "ON" mode
Backlight "ON" mode
in the menu?
Between R211 and R212 = "H"?
GPO1 by test S/W
No
Yes
Yes
No
Check the circuit related U112
LED209 Pin 1 3.3V?
LCD backlight on ?
Resolder LED209 or Check Q200
No
Yes
No
LCD BACKLIGHT
KEY PCB LED
Resolder R211, R212
Q200 pin 1 = "H" ?
No
Yes
Resolder Q200
Q200 pin 3 = "L" ?
No
Yes
Yes
END
Key PCB LED on ?
Resolder CN211
or Replace Key PCB
No
Содержание SGH-N200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 5 1 GH68 02049A ...
Страница 11: ...Exploded Views and Parts List 1 8 1 10 Desk Top Charger DESK TOP CHARGER GH44 00186B ...
Страница 12: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 13: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 44: ...5 16 Flow chart of trouble shooting RN1102 2 3 1 Q204 LED208 CL 150YG CD T R215 220 VBATT RI_LIGHT ...