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5-9. Back Light
Backlight does not work
Check the soldered status of EL pad
Backlight
"ON" mode in
the menu ?
Q301 pin 1 = "High" ?
Check the
connection from CN203
to LCD Module
LCD backlight on ?
END
Y
Y
Y
Y
Y
Y
SAMSUNG Proprietary-Contents may change without notice
SGH-Q200 Flow Chart of Troubleshooting and Circuit Diagrams
Select backlight "ON" mode
N
Resolder or change Q301, R322
N
Replace FPCB Connector
N
Replace EL between LCD and
N
5-9
LCD PCB
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