Here's a solution that may help fix Nokia 2730c LCD display backlight problem. If the display problem goes dark it indicates that the LCD backlight LED's were not working.
This solution below shows the Nokia 2730c LCD display backlight components that holds and control for the LCD screen display backlight to glow. If one of these components may become faulty due to wet or water damaged it will result to LCD's back light failure.
Solution for Nokia 2730c Not working LCD display backlight LED
You may need to trace the connection line tracks, supply voltages and check some of the backlight LED driver components shown on the solution above. You may start to check the highlighted components for it is more prone to be easily damaged when a short circuit occurred. Check and replace if already found damaged.
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thanks
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