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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 10-19-2005, 22:22   #1 (permalink)
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X640 blue display


Hello,
i received from a customer an X 640 phone with all blue display. It si full working but only blue display , i verified lcd and flex cable , they are ok (another x640 mainboard lights display ok) so the defect is on the mainboard, i tryed E2P full and custom reset, i tryed hiden contrast codes, even fullflash i made, but still same problem: blue display.
Any idea, someone ... some schematics, or service manual...
regards,
doktortelecom
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Old 10-22-2005, 21:27   #2 (permalink)
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i had one the same in work and could not fix it i had to replace the pba main
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Old 04-29-2006, 11:26   #3 (permalink)
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man, can you please tell me what PBA is?

thanks mate,

tonytony
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Old 04-29-2006, 11:34   #4 (permalink)
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What I found so far is that PBA stands for 'Printed Board assembly'.

Does that mean you replaced the mainboard?

tonytony
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Old 09-26-2008, 09:56   #5 (permalink)
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no one can help us samsung x640 blue display ? phone can make a call but blue display i try new flex and lcd also but same prob
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Old 09-26-2008, 12:02   #6 (permalink)
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http://rapidshare.com/files/14853154...lue_5B1_5D.JPG
good solution
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