No signal after replacing screen and casing...

My Sanyo screen had been smashed So, I replaced the the whole top part of the phone along with the rest (I switched everything, but I kept the same board.) Now I cant seem to get more than 1 bar, usually the phone will have none. What happened?? I was wondering if it was a compatability issue, or if it is an easy fix?? Please anyone, I cant stand not being able to figure it out myself... I appreciate ALL help! Thanks

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67 Answers

I would double check all the connections. Sounds like the antenna may not be connected properly.

Posted on Sep 07, 2007

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My Sanyo DP46819 TV screen is getting darker toward the right side of the screen and distorted, also sometimes has shadows move across the whole screen. What will fix this?

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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Sanyo model number DP46849 half the screen is black

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I have a nokia n95 and my screen started flicking and started going funny.Sometimes the screen doubles up the picture and then went off and buttons freeze.Its not broke or smashed.Over the last week now i...

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Screen is smashed on 42"

You sure can, but I doubt you will find one at a decent price.

It is more likely you will find another TV with a different defect and fix it using the parts from yours than barely finding a replacement screen.

Plasma TVs are hard to disassemble because of the more stable construction needed in the first place due to the heavier displays. LCDs are a whole more easier in this regard...latest Chinese models don't even have a chasis, they have the LCD mounted with screws directly on the plastic cover...it SUCKS...but that's another story.

In your case, it's not only going to be easier to find a TV with a different deffect and intact display, it is also probably the only financially meaningful option available.

That's at least our experience. Do not kill the messenger...but vote for his answer :-)

Bobby
www.coppelltvrepair.com

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