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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Sony Ericsson > Sony Ericsson Hardware Repair


Sony Ericsson Hardware Repair Post here your Hardware Repairing Hints or Problems with SonyEricsson and Sony Phones.

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Old 02-01-2009, 22:36   #1 (permalink)
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K550 no LCD Light problem...help


Please help
I have a sonyericsson K550i which worked perfect but without LCD Light..
-Ihave tryed another LCD but Negative...
-there is no water damage...

please help.
Thanks
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Old 02-02-2009, 10:30   #2 (permalink)
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same problem

but when phone turn on, backlight is working, and when show SE logo, it doesnt work. keyboard light Ok. lcd ok, i rehot AB2012 and DB2020,replace components for dc step up converter (cap,diode,mosfet...),flashed new fw,but still no lcd light....
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Old 10-26-2009, 22:38   #3 (permalink)
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Same issue, customer came with broken LCD and after exchanging of LCD during switch on LCD light is ok for one or two second and after no more light on LCD only keybord light is working. Please help us profesionals....
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Old 10-28-2009, 07:25   #4 (permalink)
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Quote:
Originally Posted by chochol View Post
Same issue, customer came with broken LCD and after exchanging of LCD during switch on LCD light is ok for one or two second and after no more light on LCD only keybord light is working. Please help us profesionals....
No ideas, No profesionals on this forum?
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Old 11-14-2009, 10:58   #5 (permalink)
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hi...i also got this problem... but i already solve it.. near the AB2012 got one spider IC ur just change it 100% work.. u can find that IC on k800/k810 board...
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Old 11-14-2009, 10:59   #6 (permalink)
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that spider I.C got 6 pin wan... hole i can help ur solve that problem...
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