Nokia 6600 Slide LCD backlight LED Problem Solution
Nokia 6600 Slide LCD backlight LED Problem Solution
This covers for Nokia 6600 hardware repair solution slides for not working screen display white backlight LCD failure resulting LED and LCD screen shows a dark screen display.
This can and does produce the apparatus has been damaged water or wet fallen heavily and old.
To resolve this problem, you may need to replace the LCD screen to easily confirm whether the LCD screen still works or not . After making sure that the LCD screen is correct, you can refer to the solution below because it shows the connection of backlight LED white LCD circuit.
Repair Tips for Nokia 6600 slide LCD problem led backlight failure:
A . You have a new replacement LCD screen and replace the LCD screen.
Check flex cable lcd . ensure that the ribbon cable connector is properly added .
Replace the cable assemblies ribbon if damaged.2 . Check or clean the connector pins of the LCD screen.
3 . Check inductor , and read the VBAT ( battery voltage ) across it.
4 . Trace the paths of the line connecting the illumination of the LED LCD connector pin to the capcitor and strength where it is connected. Also check or replace these components.
5 . Replace the LED backlight driver IC .
6 . If all the above does not solve the problem in this level, you may need to rework the betty IC or then replace if necessary. The betty IC holds the switching circuit of the lighting of the LED LCD screen.