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Nokia Lumia 620 Display Light Ways Jumper Solution

This solution may help fix Nokia Lumia 620  that shows a dark display over LCD screen.This problem is a failure of the LCD’s white backlight LED bulb. To quickly fix the problem you may check the highlighted components showed below. Those are the key components that holds for the LCD’s backlight LED.

Nokia Lumia 620 Display Solution
Nokia 620 Display Light Jumper
Nokia Lumia 620 Lcd Light Not Working Ways
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Hardware Solution


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Here’s some hints on how to troubleshoot the “Nokia 620  LCD display backlight not working problem”.
” Note: ensure that the LCd is okay or try replacing it before proceeding”
1. Check the LCD pin connector for possible damaged, resolder if necessary.
2. Trace each of the LED + (positive and LED – (negative connection line paths down to the resistors where it is being connected.
3. Check the connected resistor, replace if found damaged.
4. Check the 3.7 volts battery voltage (VBAT) across the inductor coil, check also the coil for possible open circuit.
5. If the voltage reading is okay and the coil is good. Replace the the LED driver IC.

Nokia Lumia 620 LCD Light LED Not Working Problem – Solution

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