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[Q] Help! Phone boots and is recognized by computer but no image

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Default [Q] Help! Phone boots and is recognized by computer but no image

Hello there

Im hoping that someone here can help me since im ready to seel the pho for spare parts... i've tried it all.

Heres the deal:
- The phone boots well and if i connect it through usb to the computer i can even access the folders and all.
- I can take photos (i her the sound of the shutter and all and see the piics taken in the folder when connected to the computer) and screnshots
- I managed to restore the phone back to original settings and even update software with sony official soft.
- Inicialy i bought the phone as faulty to try and fix it since the buyer informed me there was no water damage ( and i can confirm this because the "stickers" only show white). He informed that the phone just stoped showing image on screen.
- I thought it was a problem with the LCd so i bought a new one and replace it. The problem persists. Everything works but the screen.

Any toughts on this one? Could the motherboard be faulty in only one place (image, proximity sensor, etc)?

Thanks for you time
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Try the service manuals...
Sony Xperia M dual [C2004]
ROM: 15.5.A.1.5 (stock)
Android version: 4.3 (rooted)
Bootloader: locked (unlockable)
(Last edited by Bonoboo; 25th August 2014 at 02:45 PM.)
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Originally Posted by edinacio View Post
Hello there
I have fully same faulty 2nd "spare parts" phone.
All works except screen, all as you described.

I checked, in my case problem definitely in screen because if connect main board to really working LCD panel = screen ok.
And vice versa: if connect normal main board to this probably faulty screen = black screen.
Maybe here broken flexible connector.

Also nothing interesting related to this case in service documents.
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