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Old 03-20-2011, 10:43 AM   #1 (permalink)
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Default Blackberry Curve 89000 w/non-functioning keypad

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I have a Blackberry Curve 8900 with a non-functioning keypad. The water damage stickers are fine and show NO water damage.

Here are the steps I've taken to correct the problem:

1) I disassembled the phone and cleaned under the keypad membrane with alcohol.
2) I installed a new membrane for the 8900.
3) I wiped the phone with JLCMDR and reinstalled the latest BB operating system.

It is still not reading the keypad. The phone will turn on, the display is fine, it has a signal, it can be charged and is recognized when connected to a PC.

Does anyone have any suggestions on what else to do to try and fix this phone?

Cheers!
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Old 03-20-2011, 11:43 AM   #2 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

check the connections and make sure everything is clean. Something is not making contact or the electronics supporting the pad is defective.


Update; Did you replace the keypad or just clean the back? the keypad can be replaced if not.
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Old 03-20-2011, 11:55 AM   #3 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

I replaced the white plastic membrane and cleaned underneath it. You're right though it could be the supporting pad. Do you know of a reputable place to order from? I'm pretty handy with electronics and think I could do that repair myself too.
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Old 03-20-2011, 12:01 PM   #4 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

It's is easy to do your right. Look at the Forum home page for a vendor.

BlackBerryForums.com Sponsors - BlackBerry Forums Support Community


or this site.
http://www.everything4blackberry.com...erry_parts.php
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Last edited by tsac : 03-20-2011 at 12:03 PM.
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Old 03-20-2011, 01:17 PM   #5 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

Thanks for the link. I like the site but I'm not sure I'm finding what I need.

I can't post a link but all I can find when searching for "8900 keypad" are the membrane replacements and actual keyboard (I have a new keyboard and membrane). Should I be searching for something else? Thanks again and thanks for your time!
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Old 03-20-2011, 08:26 PM   #6 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

on my experience...8900 track ball my cause keypad malfunctioning...and also no power,

i suggest..try to remove 1st ur track ball and test the keypad..
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Old 03-20-2011, 08:41 PM   #7 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

Thanks Hardcore I just tried removing the trackball but the keypad did not work.
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Old 03-20-2011, 08:51 PM   #8 (permalink)
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Default Re: Blackberry Curve 89000 w/non-functioning keypad

Quote:
Originally Posted by fronds View Post
Thanks Hardcore I just tried removing the trackball but the keypad did not work.
how about the keypad flex,its in a lower part of keypad,i have one here with the same problem with yours,its a cut flex....i tried to upload a sample pic of my unit.but dont know how..hehehe..anyway i dont have time to buy the flex...it will be avail internationally...try to find in your place...
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