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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > BlackBerry (RIM)

BlackBerry (RIM) Blackberry phones discussion, firmwares, tutorial, media, repairs.

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Old 01-11-2011, 15:46   #1 (permalink)
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Smile Blackberry 8520 keypad not working .. need help plz

i have blackberry 8520.. which was water damage... and keypad was not working.. i clean those small black ics on pc board and rehot them.. phone start working now.. some time it works.. some time freez and from past 1 hour not it just type itself e r u button .... can anyone tell me what to do to fix this problem.. plz...
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Old 01-11-2011, 15:50   #2 (permalink)
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FRIEND

u need to change the complete track ball module
by desoldering nd fixing a new one
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Old 01-11-2011, 18:41   #3 (permalink)
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what do u mean track ball module... can u explain plz...
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Old 01-11-2011, 18:43   #4 (permalink)
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come here sir....

bengkelhp: BB gemini keypad jumper
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Old 01-11-2011, 20:20   #5 (permalink)
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change new key pad layer
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Old 01-12-2011, 19:55   #6 (permalink)
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i have done it... it was the problem of scroll ... i change scroll. keypad works 100% no problem anymore
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Old 03-20-2011, 21:19   #7 (permalink)
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Blackberry 8520 keypad not working .. need help plz pali sandhupali@yahoo.com
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Old 05-07-2011, 11:10   #8 (permalink)
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hi guys i m so confused that i have changed the keypad ic wich is near to sensor connector but is not working
i remove the same ic from the same phone and put on the other circut is working properly so its provedthatthe problem of rt fg cv keypads are not belonging to this ic
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Old 05-07-2011, 11:49   #9 (permalink)
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try this image
it may can help you
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Old 05-07-2011, 22:24   #10 (permalink)
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Hola, mi nombre es Hugo Roman. Y quisiera ayuda para conseguir el MEP-2 para liberar mi BlackBerry. Please Help....

modelo: BlackBerry 8520 Curve
IMEI: 355987.04.189745.4
MEP: MEP-30669-001
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Old 06-12-2011, 11:04   #11 (permalink)
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8520 all keypad working. scrol 4 side also working. but center button(ok)not working. i changed already mouse key. and resold connector. but still same. pls give solution
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Old 06-13-2011, 08:01   #12 (permalink)
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just rea hot the key pad ic sure this sucssuss sorry for the bad english
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Old 07-29-2011, 12:42   #13 (permalink)
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where is the keypad ic? do u have a pics
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Old 08-14-2012, 10:30   #14 (permalink)
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can you send a picture i don't know where is key pad ic
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Old 08-27-2012, 13:59   #15 (permalink)
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