9900 Homemade schematic - :)

Hi I am building a several layers of homemade schematics for the 9900. Hope it helps, also please give any new ideas so we can help each other resolve this bad production phone.. I made it in high resolution.. Lets figure out the red light issue together!! I will make more, very soon ]9900_7_0Fast _Installers.rar

BB 8520 Sensor and Keypads not working

BB 8520 Sensor and Keypads not working


Actions: itry FLash with loader and Update but still same Problem


Phone Problem

After flash stock here (




Solution:
Reheat this 3 Crystals or Replace



then after that


Finish

Nokia 6120c nokia hang..done..w simple tricks..

Nokia N70 White Screen Eazy Solutions (STEP By STEP)

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NOKIA N70 WHITE SCREEN PROBLEM HAVE 3 TYPES

1. LCD DAMAGED
2. LCD EMIF(LCD IC) Damaged
3. Swith Mode Power Supply (S.M.P.S) Damaged (PHONE HANG)

1:--
First We Discuss -White Screen, But Phone Can Make and Receve Calls
I Dont Discuss about LCD DAMAGED Bacause Avery One Use This Fourm Know Replease LCD.

2:--

Q:-If you Ripleased LCD But still white screen???
A:-One Of Or both LCD EMIF Is Damaged
Q:-What Is EMIF
A:-It is a filtor
Q:What I Can Do
A:-DO THIS

You Need Digital multimetor with diode function (It is Eazy)




ALL GREEN AND YELLOW Pins OK -> Change LCD
One or many GREEN AND YELLOW Pins Disconnected -> Change Damaged IC (IDENTIFY Dannaged IC Before change)

You Can Use Jumper Solutions but it waste time

You Can Do This, Don't Afraid. If You Afraid Do This, Frist Do This For Death Phone , Like 1110 keypad IC......Change.It.

3:--White Screen Cant turn off Phone Hang
It has Eazy Solution
DO THIS