Back Light (For Key) - Samsung SGH-A800 Service Manual
Dual band mobile cellular phone
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Also See for SGH-A800:
- Owner's manual (82 pages) ,
- Quick reference card (2 pages) ,
- Service manual (55 pages)
Table of Contents
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5-11 Back Light (for Key)
Backlight does not work
5-19
Backlight "ON" mode
in the menu?
Yes
R215 = "H" ?
Yes
Q200 pin 3 = "L" ?
Yes
Key PCB LED on ?
Yes
END
No
Select backlight "ON" mode
No
GPO1 by test S/W
No
Resolder R215,R216
or resolder Q200
No
Resolder R207~214
and LAMP200~207
Flow chart of Troubleshooting and Circuit Diagram
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- Power on
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