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| Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones. |
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07-28-2010, 22:08
| #1 (permalink) |
| No Life Poster   Join Date: Jun 2006 Location: {JUST@PRAY@FOR@ME} Age: 39
Posts: 3,028
Member: 288504 Status: Offline Sonork: .:100.1587032:. Thanks Meter: 2,266 |  ::....::K850 - Keyflex update::....:: Description There has a quality problem with the K850 keyflex (1200-2656) causing touchkey problem. When pressing a touchkey, the visual indication in the lower part of the display will not work, nor will the actual touchkey. This may be intermittent as there might be microscopic cracks in the solder joints of the affected component that is soldered onto the keyflex. Solution: use new keyflex.   |
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| The Following User Says Thank You to roney_nexus For This Useful Post: |
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07-28-2010, 22:52
| #2 (permalink) |
| No Life Poster Join Date: Mar 2009 Location: Europe Wienna
Posts: 1,269
Member: 984046 Status: Offline Thanks Meter: 255 | Concept of K850 keyflex is most supidest of them all.... An idea to put (solder) electronic smd elements under something which flexes around 500 times daily (that is just an assumption that, that for one 160 signs SMS, you have to press at least 300 times to get wanted characters, this is underestimation I reckon) This causes touchkey issue - and also have side effects... Failure is not definite. It sometimes works & sometimes don't (loose contact(s)) - so user starts to press lower part of screeen more and MORE firmly, which at the end results by brokage of inner lower part of LCD screen, which then picks up an static electricity from touch module, and have distorted picture for result. If that was a car we talking about here - that would be covered by EXTENDED WARRANTY. BR Haltec Last edited by Haltec; 07-28-2010 at 22:57. Reason: add info |
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