Nokia 112 keypad problem solution

Problem: Keypad not working, Missing 1,4,7 keys on keyboard.
Solution: Remove Brown capacitor on lights stage.

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Here is my story.last day at my lab a Nokia 112 cellphone come for no service problem i heat pa a signal full but at call error show on screen no network coverage.i jumper tx to antenna problem solved but keys 1,4,7 not work polarity show prefect . Itrace this solution for listed problem.it is 100% tested by me.you can try just remove a capasitor.

1. This problem created from lights stage capacitor that switch lights on when press any key on keyboard if this parts is shorted or wrong polarity keypad keys did not worked perfectly. On this parts earth point to switching lights volts shorted this mean 1,4,7 keys already pressed and the major reason is they did not work when we press these key.
2. Finally remove shorted capacitor near the lights controller stage that red line marked in picture shown below diagram here.

Mobile Solution , Troubleshooting & i-phone Specialist. Gulap Electronics L.K Plaza (1st floor) Dakshin Khan Bazar Dhaka – 1230 Mobile Numbe 01619144093,01819144093,01919144093 E-mail:gulapelectronics@gmail.com