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

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 10-17-2008, 23:30   #1 (permalink)
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e250 white screen


e250 white screen not E250D
1-lcd ok
2-flexy cable ok
i have check this 2 picture still same any other solution ?

Last edited by hitibiti; 04-23-2015 at 15:49.
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Old 10-18-2008, 10:51   #2 (permalink)
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Have you checked your sub PCB & LCD?
if that is ok, take photos of main PCB (under microscope) around CPU area and post them so I can view them. Check for cracks in the underfill around CPU. any cracks will cause abnormal operation of handset

Take a look at attached photos. Cracks can clearly be seen around IC
Attached Images
File Type: jpg 10102008(009).jpg (189.2 KB, 568 views)
File Type: jpg 10102008(017).jpg (160.4 KB, 406 views)

Last edited by Speed_Demon; 10-18-2008 at 10:57.
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Old 10-18-2008, 12:43   #3 (permalink)
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yes i have test lcd+flex cable+sub pcb on other mother-Bord work fine
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Old 10-23-2008, 21:39   #4 (permalink)
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still no solution for this prob ?
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Old 10-24-2008, 01:41   #5 (permalink)
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change power ic bcoz mostly faults in e250 solved by changing power ic

try and post result
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Old 10-31-2008, 20:20   #6 (permalink)
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e250

which one is a power ic in E250 phone ? can u please give picture of that ? Thanx in advance .
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Old 11-01-2008, 02:03   #7 (permalink)
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Thumbs up e250 dead-insert sim-charge

Quote:
Originally Posted by imaran View Post
which one is a power ic in E250 phone ? can u please give picture of that ? Thanx in advance .
hi
ic power for e250 is u403 look this:
good luck
br
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Old 11-01-2008, 10:43   #8 (permalink)
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lcd flex compatible or jump disply ic

donot change jumper
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Old 11-02-2008, 11:33   #9 (permalink)
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think you very very much for yr sharing, good job
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Old 11-10-2008, 05:55   #10 (permalink)
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i do all ....but same problem.
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Old 11-24-2008, 15:09   #11 (permalink)
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try this good sulision
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