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Forum > Sony Ericsson / Sony > General > T68 - keys do not react

Author T68 - keys do not react
jaka
W900 white
Joined: Jan 22, 2002
Posts: 162
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Posted: 2003-03-25 20:35
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I've had this problem for quite a while now but have always been too lazy to do something against it. My YES and NO keys/buttons don't react anymore. It is really irritating since I can't cancel or leave any sub menus. I've tried to open the phone but unfortunately don't have a torx srewdriver to unsrew the srews. I could bring it to a service centre, however the repair would not be free as my warranty has run out and I don't want to invest too much in the repair since I just splashed out on a new p800 - need the t68 for backup though. any thoughts or solutions??? I could always buy the screw driver if opening the phone would help.

Thanks!!
Cytech
G900 Brown
Joined: Feb 19, 2002
Posts: > 500
From: Stockholm, Sweden
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Posted: 2003-03-25 20:44
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there is dust between the keydome foil (a plastic film between the keypad and the circuitboard) and the circuitboard... you can have it working again by cleaning the contact areas on the circuitboard... but... this problem usually will show again unless the keydome is replaced.
jaka
W900 white
Joined: Jan 22, 2002
Posts: 162
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Posted: 2003-03-25 20:51
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thanks for the fast reply! I probably can't fix that myself, other than just clean the dust of that area, can I?

Cytech
G900 Brown
Joined: Feb 19, 2002
Posts: > 500
From: Stockholm, Sweden
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Posted: 2003-03-25 20:56
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yeah... unless you find somewhere to buy the keydome foil (other then a servicepoint which will not sell it to you)
jaka
W900 white
Joined: Jan 22, 2002
Posts: 162
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Posted: 2003-03-25 21:00
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ah ok. thanks again. I think i'll just clean the area and see how long that lasts... if the problem proves to be coming back in short intervalls, i'll just take it a service centre!

but thanks anyway, at least i got an idea of what is wrong with my phone and that it can be repaired!

cheers,

jaka

P.S. any idea what I should use to clean the foil??

[ This Message was edited by: jaka on 2003-03-25 20:10 ]
jaka
W900 white
Joined: Jan 22, 2002
Posts: 162
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Posted: 2003-03-25 23:03
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anyone? what should I use to clean the foil, i.e. get rid of the dust - the parts inside the phone are surely sensible? I don't want to break the phone...
gatevital
Z600
Joined: Dec 01, 2002
Posts: 440
From: Bath England
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Posted: 2003-03-25 23:37
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I'd think very carfully before attempting this, the contacts are glued to a film with bubbles in it witch is glued to the pcb, the risk of damaging the film is high, though using a clean eraser to clean the contacts would work.
Why can't I be happy with one phone?
jaka
W900 white
Joined: Jan 22, 2002
Posts: 162
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Posted: 2003-03-25 23:57
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thanks, i'll try that.
rpacis
P800 no flip
Joined: Jul 14, 2004
Posts: 98
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Posted: 2004-07-27 14:47
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Has your problem been fixed already? Anyway, I had a similar problem with my T68i and the service center just upgraded the firmware and the Yes/No (even the "clear" button in my case) buttons started working again.
Miss UK
Apple Iphone 5
Joined: Jan 11, 2003
Posts: > 500
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Posted: 2004-07-27 14:56
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Jaka instead of paying huge repair costs why dont u get another phone the same from ebay T68-i's are real cheap 25 to 30GBP! :-)

This message was posted from a T68i

neonismo
T68 grey
Joined: Oct 18, 2002
Posts: 254
From: Melbourne, Australia
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Posted: 2004-07-27 15:00
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I had the same problem with my T68. The NO button required me to press quite hard, and then the YES button completely died.

The service guy reckoned the standard ericsson keydome foil was prone to failure. He replaced it with a slightly louder but emmensly more clickable keydome foil.

This happened roughly the same time (1.5yrs) to the whole offices collection of T68m's.

Cost me AU$40.
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