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Nokia 5130 Dark Screen display No LCD Backlight Solution

This solution may possibly help fix nokia 5130 that has No LCD Display backlight LED and results to a dark Lcd displays.
If ever encountered this problem and then tried installing a new LCD Lcd module but still a dark Lcd display occurred and the backlight LED doesnt light up; This solution below shows the circuit components that holds the Nokia 5130 backlight LED.


You may check those corresponding components highlighted on the solution above.
Trace each particular line paths and check the supply voltage.
The LED driver chip when damaged will shutdown and all backlight LEDs unable to light up including the keypad backlight LEDs.So if both keypad and display backlight failed you may then suspect that the problem lies on the LED driver IC. But first, check the supply voltage and filter coils before attempting to replace it.