Monday, August 25, 2014

Nokia 103 Display Light Ic Solution Ways


Nokia 103 Display Lcd Light Not Working
Nokia 103 Lcd Light Ways Jumpers
Nokia 103 Light Ic Solution Problem Ways Repair

Here is the Nokia 103 solution for display
backlight LED not working problem and shows a
dark or black screen display. The solution below
shows the connection line paths and certain
components that holds for the LCD backlight LED
to work.
Just refer to the solution below, this may help in
solving backlight white LED problem on Nokia
103 after you confirmed that the LCD screen is
okay or already tried replacing it.

Nokia 103 Display Light Jumper Ways

After already confirmed that the LCD is working,
or already tried replacing it but still it shows a
dark screen display and the backlight LED is not
working, you may then check the highlighted
components above. You may start cleaning the
LCD pin connector, re-solder it if necessary.

Check the battery supply voltage(VBAT) across
the inductor coil, check also the inductor coil for
possible open circuit. Check/replace the 33 ohms
resistor near the LED driver IC and the filter coil
near the transistor.

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