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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 04-30-2011, 12:53   #1 (permalink)
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C905 LCD not working.

I have SE C905 here.
LCD not working.
I have replaced LCD with new one, but still not working
Screen is dark/dead no backlight or anything.
All other parts of phone are working.
What is the next thing to try?
New main flex?

Thanks.
MK5
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Old 04-30-2011, 18:29   #2 (permalink)
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Any help here please?

Thanks.
MK5.
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Old 05-01-2011, 22:16   #3 (permalink)
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yes new flex or look at

top keypad can also cause this issue

try new battery and maybe flash i know se phone is like this sometime can be software,gd luck
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Old 05-04-2011, 10:24   #4 (permalink)
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Thanks kammy6000

Gonna try new flex today.
If flex is not the problem, you reckon top keypad?
top keypad is working as it contains on/off button, which is turning the handset on and off as expected.
Could it still also be the problem?
I have tried new battery, gonna try sw upgrade today also.

Cheers
MK5
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Old 05-08-2011, 16:40   #5 (permalink)
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OK
software upgrade - same problem
new lcd - same problem
new main flex - same problem

Im gonna try new upper keypad flex ribbon next.
If that doesnt fix it, then what next???

Please help.

Thank You
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Old 05-08-2011, 19:39   #6 (permalink)
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board problem............
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Old 05-17-2011, 22:03   #7 (permalink)
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try this

try this good luck


C902 backlight Solutions
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Old 12-31-2011, 13:02   #8 (permalink)
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Change or rehot the display IC EPSON on the upper side of the board near CPU.If not ok then change it with another one.I think your problem must be solved in this way.
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