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How to repair LCD back light
LCD back light problem
N620:
LCD back light problem
My phone LCD back light do not give light while it is on and I can not see the number in it in dark , how can I repair it.
Answer
First you switch off your cell phone then you high the level of LCD contrast by the help of menu , now you check the D603 (pin=13) and you the circuit from LCD and the LCD models.
L C D problem
Some time the sim IC is not read the sim card ,because there is a problem in capacitor and resistor you must check the C2700 and R2700.you chack and warm it if this not solve your problem then you change it (C2700)and (R2700).
Nokia 8910i
I have a mobile set 8910i but it show problem about LCD ( effect on L E Ds piad ) this problem is very seriously, how can i remove this problem.
Answer
please wait
Nokia 6610
i have a nokia set 6610. ther is a fault in it LCD connector and power batten.
Answer
you connect the L C D bottom side to the "R305" and "R309" this solve your problem.
Back light fault
My nokia set 6220 back light is working. how can i make it normal.
Answer
you pen the set and change the coil "L300" then your back light start working.
L E DS fault
I have a nokia 6100. there is a problem in its L E Ds . can i repair it myself.
Answer
Yes you can repair it yourself ,you check all these circuits "C303" C304" N300" "V300" and "L300" there is a problem in one.and remove the faulted circuit.
