Question about Sony FD Trinitron WEGA XBRKV-40XBR800 40" TV

2 Answers

RE:Control Board Failure

The control board, would that be th "D" board?

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  • WSLuck Mar 17, 2008

    Where my I purchase another D board?

  • WSLuck Mar 17, 2008

    I have already downloaded a service manual off the internet. In the troubleshooting section it recommends things to try or look at for all other codes except the code I have. It just doesn't point me in any direction.

  • WSLuck Mar 18, 2008

    Ok guys, I found on another forum for Sony TV problems a service bulletin pertaining to kv 3xxbr4xx series "D" boards. Although not the same models the same components. Service Bulletin: E28041743 D board failures, recommends changing 2 ICs: IC6501 and IC8002. Both ICs are Sony part no. 8-759-701-01 and printed on their top MCZ3001D. Iam going to install IC sockets for these ICs so I can replace them easier in case of another failure. This has been a very difficult problem to troubleshoot because with the back cover removed the set works fine, and installed the problem is intermittent. I thought this would be the best place to start, I will let you know the outcome.

  • Anonymous May 26, 2008

    Damn TV won't turn on and I have the 7 blinks of death show up.

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I have the KV-34-34HS420 with seven blinking led no power problem so I replaced both IC's and I used sockets because of the probable failure rate. I turned it on and it's been working perfect.We bought a new samsung because we thought we needed a new set.Oh well I guess the den will get a nice Sony TV now.I also think the big tube sony has a better picture.

Posted on Jun 06, 2010

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  • Master
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Well..the 'D' Board would show up on a parts list, authorized by the maker. You are encouraged to procure a proper service manual, which will go a long way to clear up any mysteries on this issue.

Posted on Mar 17, 2008

  • Patrick Michaels
    Patrick Michaels Mar 19, 2008

    hmmm...make certain that when those sockets go in, that you use non acid core solder.

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The lens is so dirty that the infra red is not passing threw it so try to clean off the lens with some rubbing alcahol. If that does not work then your going to need to have the tv repaired a control board is upwards of $70 bucks with your labor.

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Now these controls are spread over the two sustain or color board/s

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--

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