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Coby DVD-937 home theatre system - I'm afraid I've placed the unit over my dish network system and the DVD has overheated. Consequently, after turning on the DVD I lose sound after about 4 or 5 minutes. What is my problem and how can I fix it?

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The first thing i would say is that the only solution to fix this problem is to get it repaired or replaced.
If it is running hot it certainly could be dangerous.
Actually, I would not bother to do any fixing on it as the cost of dvd players has gone down so low that you can replace them for less money than the cost of service.

For example, you can buy a very nice dvd player on sale for $28 and up.
If you wanted to get the Coby set serviced I am sure it will cost over $50 to solve the heating problem - and maybe more.

Please don't forget to rate the solution.

Posted on Apr 08, 2008

  • Priya darshan Apr 08, 2008

    Overheating probably has something to do with your main circuit board which has to be replaced.

  • Priya darshan Apr 08, 2008

    I believe that the fan does not seems to be spinning when a DVD or CD is playing, and hence the top of the case gets very hot.

    So at this point I would consider opening it up and trying to add a new fan.But definetly a replacement will be much cheaper rather then repairing it by urself.

    You must also have some experience in electronics background before attempting to do these stuff.



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Posted on Jan 02, 2017


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Lost Manual for coby dvd-937

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May 05, 2009 | Coby DVD-937 5.1 Channel DVD...

1 Answer

Question: how do you connect to a cable box?

That Coby DVD-937 only has Digital Audio outputs rather than inputs, which is very strange and complicates our problem immensely. You will get 5-channels with DVD or radio play, but getting 5 channels for TV is not possible without additional equipment.

The manual for the Coby mentions a "Digital Decoder Amplifier," which would work. You would connect a digital audio cable from the area marked "Coaxial" on the back of the Coby to a digital audio IN on the back of an external amplifier. You would connect the speakers to this amplifier, instead of directly to the back of the Coby. Then you would need a cable or satellite box with digital audio outs (fairly common nowadays) to another digital audio IN on the back of the amplifier. The cable or sat box you may have already, but you may need to purchase such a "Digital Decoder Amplifier" or other digital amplifier with appropriate speaker wires and 2 digital audio input slots (not to mention two digital audio cables). Fairly complex. Possibly expensive.

-Tha Mp3 Doctor

Jan 31, 2009 | Coby DVD-937 5.1 Channel DVD...

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