Friday, August 22, 2014

Nokia Lumia 620 Display Light Ways Jumper Solution

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Nokia Lumia 620 Display Solution
Nokia 620 Display Light Jumper
Nokia Lumia 620 Lcd Light Not Working Ways
Nokia 620 Display Light Track, Ways, Jumper, Repair, Ways, Solution Hardware 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.

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

GAURAV MOBILE

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