Test the voltage at the backlight LED pads. It should read significantly higher than battery voltage (around 7V to 10V) when active, thanks to the booster coil.
The Nokia 1280 uses two LEDs to illuminate the LCD screen and keypad. Water damage often corrodes the backlight driver circuit. schematic diagram nokia 1280 free extra quality
Hassan adjusted his magnifying headset. He was twenty-two, with grease-stained fingers and a mind that understood circuits better than it understood people. He had been in the trade for five years, since his father’s hands had started to shake too much to hold a micro-soldering tip. Test the voltage at the backlight LED pads
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