Question about Memorex MVDT2002 20" TV

1 Answer

Our Memorex model #MVDT2002B, SH 067460905582A, was working fine. There was a short power outage in town during the work day. When we came home, the TV wouldn't power up. The cable box had reset just fine. We upluged and plugged back in, but nothing happened. We plugged a different, older TV into the same power source and that worked fine. Is there a reset button? We can't seem to find one. Also, we can't find our manual. Thank you, Janet and Brian

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  • bmgband Apr 07, 2011

    Hi, we got the back off the TV and the fuse looks ok. Brian took it out and put it back in and tried to turn the power on. It buzzed like bzzzzzt, then made a ticking sound like tick, tick, tick, tick. Do we need to replace the fuse? Can we get this fuse at a Radio Shack? Please advise. Thank you for your assistance.

  • bmgband Apr 07, 2011

    I think we'd better take the TV to a repair shop. Thank you for your assistance.

  • bmgband Apr 07, 2011

    The solution warned us that it could be dangerous to continue. We appreciate the warning and will take the tv to a repair shop.

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  • Memorex Master
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Hello
There is a protection fuse inside your tV, which can be located at the power regulator section, to which the main power cable enters to the board. It is a class cartridge type, and can be replaced. Check it first. If found blown off, replace it with an other with same rating; which will be marked on its end metal caps. Never use an other rated one in place. Switch on your TV, while its back cover opened, and watch if the newely inserted fuse also blo up. if blow up, certainly there will be some short circuit inside the circuit board, which occured during power surge. Check these and inform me if the fuse blows again. I'll assist you further. Let me know the result by Fixya. OK.

Posted on Apr 06, 2011

  • The Knight
    The Knight Apr 07, 2011

    Hello
    The power supply section of your TV is faulty. It has an STR reguated power regulation section. The STR has damaged. You must have some knoledge in electronics to repair this section. Almost 90% of components in that section are "LIVE" parts, and touching the accidently will be fatal. Whout its schematic diagram, and measuring instruments, a concept about soldering and desoldering; you cant set it right.
    If you have these and wants to repair it by yourself, send your Email address to me, by Fixya. I'll send the schematic diagram of your tV;s internal circuit, so that you can see what exactly the components and about its connections. OK.

  • The Knight
    The Knight Apr 07, 2011

    Good determination . It is dangerous to handle a device like TV without any experience. It may lead to more and more problems to occur if we try to repair it, if we are not aware of its working principles, and knoledge to readout its schmatic diagram. Wish you Good Luck.

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