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| Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section. |
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03-23-2013, 16:53
| #1 (permalink) |
| Junior Member Join Date: Apr 2012
Posts: 8
Member: 1743744 Status: Offline Thanks Meter: 2 | please read x2-01  |
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| The Following 2 Users Say Thank You to nagumobi For This Useful Post: |
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04-17-2013, 18:14
| #3 (permalink) | |
| Insane Poster  Join Date: Jan 2013 Location: malaysia Age: 41
Posts: 93
Member: 1862581 Status: Offline Sonork: 100.1658771 offline Thanks Meter: 13 | Nokia X2-01 Keypad Connection Tracks and Filter IC Jumper Ways Solution [SIZE=4pt]Nokia X2-01 Keypad Connection Tracks and Filter IC Jumper Ways Solution [/SIZE] Well again here's a solution that may help fix Nokia X2-01 keypad not working problem. This solution provides and shows us the connection line paths of each QWERTY keys and navigation keys, which is easy for us to trace when there is/are certain keys that is not responding or working. On Nokia X2-01 keypad matrix, the inner core and outer layer of each keys were highlighted in color, those color represent where and which group they being connected. The lower photo is the two keypad EMI filters which if damaged it will result a keypad malfunction on Nokia X2-01. Here's some hints on how to fix Nokia X2-01 keypad not working problem: 1. Check the device firmware, try to re-flash or update. 2. If the device suffered wet damaged, clean the keypad matrix and the keypad membrane. 3. If there are only few keys that is not working, trace the connection between to the other keys... 4. If the connection seems okay, the last option is to check the Keypad filter IC's. Try to rework it first, check the solder ball bumps for possible damaged.. 5. Replace the keypad filter IC.  Quote:
Last edited by riznetwork; 09-10-2014 at 13:40. | |
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