Kdl-70w850b Possible Lightning Strike

[nomoresonys]

Re: Kdl-70w850b Possible Lightning Strike

Ok, yes try the update first, I DOUBT very much that you have a backlight problem.

[Pontgta]

Re: Kdl-70w850b Possible Lightning Strike

so did you try the update?

I am out of town , but will definitely try it when i get home. I wanted to be prepared when i get there.

[Davi.p]

Re: Kdl-70w850b Possible Lightning Strike

requires an hardware programmer even of super low cost and some skill, i clearly refer to tcon
but you have 2 faults by the appearance, also bad leds

[nomoresonys]

Re: Kdl-70w850b Possible Lightning Strike

The Firmware is for the Kdl-70w850b. I received it Via DropBox Because its not available through the regular Sony site. I then used my own USB drive.

so did you try the update?

[Pontgta]

Re: Kdl-70w850b Possible Lightning Strike

Anyway the back leds are much probably hit by strike and must be changed, the chess image is due probably to tcon firmware/settings eprom messed up... if you haven't got a dump and/or programming ability must be changed board.

Can you explain this some more.. I am unsure what the "dump and/or programming ability" Does this require a special tool, and or special programing skill? Would it be easier to replace the board? Are we talking about the Main board or the TCON ?

[Pontgta]

Re: Kdl-70w850b Possible Lightning Strike

The Firmware is for the Kdl-70w850b. I received it Via DropBox Because its not available through the regular Sony site. I then used my own USB drive.

[BubbaW]

Re: Kdl-70w850b Possible Lightning Strike

I have the Firmware, if you need it. It was provided to me from a SONY authorized repair shop.

Thanks but I would not know if it is the same for my TV....KDL-55HX800.
The fellow I bought main board from is sending update via snail mail on USB and should be here Thur. Did your guy give you a download link or on a USB drive ?

[Pontgta]

Re: Kdl-70w850b Possible Lightning Strike

Had same thing happen a few weeks back. Fortunately via assistance from this forum and other online assistant/Youtubes, my problem was main board but only the HDMI inputs. Was able to score a Main board from a TV repair guy in Houston and am awaiting a usb he is mailing me with Firmware update since Sony Terminated updates for my model Jan this year.

https://www.badcaps.net/forum/showthread.php?t=109404

It appears you'll have to find someone also that can get you an update since Sony has terminated your model updates also Jan this year.

https://www.sony.com/electronics/sup...850b/downloads

If you indeed have to do a firmware update and can find the update, suggest following Nicks's TV repair video !

https://www.youtube.com/watch?v=3kYPjIHt8Lc

I have the Firmware, if you need it. It was provided to me from a SONY authorized repair shop.

[BubbaW]

Re: Kdl-70w850b Possible Lightning Strike

The storm took out my cable modem, and Direct Tv receivers as well

Had same thing happen a few weeks back. Fortunately via assistance from this forum and other online assistant/Youtubes, my problem was main board but only the HDMI inputs. Was able to score a Main board from a TV repair guy in Houston and am awaiting a usb he is mailing me with Firmware update since Sony Terminated updates for my model Jan this year.

https://www.badcaps.net/forum/showthread.php?t=109404

It appears you'll have to find someone also that can get you an update since Sony has terminated your model updates also Jan this year.

https://www.sony.com/electronics/sup...850b/downloads

If you indeed have to do a firmware update and can find the update, suggest following Nicks's TV repair video !

https://www.youtube.com/watch?v=3kYPjIHt8Lc

[Davi.p]

Re: Kdl-70w850b Possible Lightning Strike

Anyway the back leds are much probably hit by strike and must be changed, the chess image is due probably to tcon firmware/settings eprom messed up... if you haven't got a dump and/or programming ability must be changed board.

[Pontgta]

Re: Kdl-70w850b Possible Lightning Strike

Thanks for all the replies, unfortunately i had to leave after the storm due to work. I am working out of town all week , so i will post pictures on Friday afternoon or Saturday morning of the board layout. .

The storm took out my cable modem, and Direct Tv receivers as well. I disconnected them, hoping the screen would come back , but no luck, definitely problem with the TV.

[nomoresonys]

Re: Kdl-70w850b Possible Lightning Strike

maybe try a firmware update, in case the strike messed up the firmware, more likely to work if your indicator light is a steady green.

[Davi.p]

Re: Kdl-70w850b Possible Lightning Strike

Does the set makes a standby led blinking error code?

[dskall]

Re: Kdl-70w850b Possible Lightning Strike

First thing after posting good pictures of boards will be sorting out backlight problem.

[Pontgta]

Hello,

I have a SONY TV KDL-70W850B, i believe was struck by lightning. I turn on , and all i see( with Flash light ) are checkered board pattern on the display. any suggestions? I am new to the TV repair world, but have a very basic electrical/ electronics background.