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We need to replace the Mainboard on our Sony Bravia KLV26BX300 due to a lightening strike. Grateful for ideas about where we can source an A1782846A mainboard or equivalent?
Re: We need to replace the Mainboard on our Sony Bravia...
Contact the authorized service center for Sony. They only can provide a genuine board. If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
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It is very important that you install the firmware as soon as you replace the board. You can download the firmware as well as the instructions for free from the customer support website. Here is the link. Sony eSupport KDL 55HX750 Support . It is very important to follow the instructions as to not ruin your new replacement board. Good luck to you.
Yes it can be destroyed all the hdmi inputs end up in a chip called high definition controller before going to the main video prossesor so it might be destroyed or all the mainboard might need replacing
Tries tv unplug,replug it back like about an hour later.For the tv,to do a resetting itself.It is an auto detection mechanism to protected itself circuitries for not letting more power than it need for damaging itself.This disconnection and reconnection of the power source should be able to give ur tv a 50/50 chances to be working again.Not,must hire a tv tech. to for a trouble shooting and replace components parts,bcause the lightening have a source power to high of a voltages for the tv protection circuitries to handle.
Hi my name is Roety,
I can help you with your issue ,
Without a model number, I do work on sony LCDs.
The audio is on the mainboard. You need the mainboard replaced.
Reboot every device by unplugging the AC power , if the sound still cuts off replace the mainboard
If I have helped you with your issue please click accept.
If you have more questions you can still respond
I will reply asap
Thanks
Eric
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