5-18
Flow Chart of Troubleshooting and Circuit Diagrams
5-10 Back Light
Yes
END
Backlight does not work
Select backlight "ON" mode
Backlight "ON" mode
in the menu?
R167 = "H" ?
GPO1 by test S/W
No
Yes
Yes
No
Resolder R167,R166
or replace Q107
Q107 pin 3 = "L" ?
LCD backlight on ?
Replace LCD
No
Yes
No
LCD BACKLIGHT
KEY PCB LED
Resolder R167,R166
or resolder Q107
Q107 pin 3 = "L" ?
No
Yes
Yes
END
Key PCB LED on ?
Resolder
R149,R118,R168,R184,
or Replace PBA
No
Содержание SGH-R200
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 1 0 GH68 02098A ELECTRONICS ...
Страница 11: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...
Страница 12: ...PCB Diagrams 2 2 2 2 Main Bottom ...
Страница 39: ...5 12 Flow Chart of Troubleshooting and Circuit Diagrams J102 SPK101 U110 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...