Question about Coby Audio Players & Recorders

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I have a coby dvd938 home theater system.all the speakers work but only 2 of the 6 speaker out ports work i took it apart the soder an board all pieces look good

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  • Coby Master
  • 10,875 Answers

Something else is bad on the board,now you cant get it serviced because you openned it

Posted on Apr 15, 2015

Testimonial: "Fwhat else could it b everything looks good on it I have looked it over many many times"

  •  johnny rebel
    johnny rebel Apr 15, 2015

    capacitors,switches who knows,take it to someone to fix it.



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1 Answer

Trying to get my ps3, Emerson hd tv and coby DVD938 home theater all to work together

The DVD938 only has analog audio input (2.1 channel), thats why you have only a white (left channel) and red (right channel) audio connection from your ps3 to the home theatre. There is an option called PROLOGIC in the setup menu that will simulate 5.1 with the 2.1, it basically takes the 2.1 channels and splits it into all the speakers.

Mar 03, 2013 | Coby DVD938 Theater System

1 Answer

How to access analog audio setup page

Make sure you have the DVD out of the tray otherwise you will not be able to access the setup menu.

Nov 16, 2012 | Coby DVD938 Theater System

1 Answer

What speaker wires are positive and which are negative

You could use LED with resistor on one end. But best way to find out is to use tester. Because sometimes guesses might become costly in the end.

Aug 19, 2011 | Coby DVD938 Theater System

2 Answers


No! All speakers cannot be dead! Check the speakers by multimeter. If you do not have multimeter, then use a 1.5V pencil cell. Connect negative of the cell to one terminal of the speaker & brush another terminal against the positive. You will hear a brushing sound in the speaker. If you don't, then the speaker is dead & needs repairs. Repairing of drive units is not recommended as it will lower the quality of sound. Please check the Theatre System for its functioning.

- sonsunny

Jul 10, 2011 | Coby DVD938 Theater System

1 Answer

Only front speakers are working. I switched audio settings to 5.1 channel and then the back and middle speakers show up on the screen as highlighted. Meaning that I can switch them to small or large. ...

You need to run a digital audio cable or a Toslink fiber-optic audio cable from your cable box or DVR directly to your home theater system. You will not get 5.1 out of your TV set.

Apr 23, 2011 | Coby DVD938 Theater System

1 Answer

So i just bought the coby dvd938 and i hooked it all up and all the colors are correct and the pocitives and negatives are correct but the only the front 2 speakers and the subwoofer work but i cant get...

Yeah I'm having a similar issue. Front speakers and center speaker working fine but rear speakers are very quiet and the subwoofer isn't working at all. Everything is connected correctly as well if you figure something out let me know.

Dec 06, 2010 | Coby DVD938 Theater System

1 Answer

Trying to hook up coby DVD938 to tv. would like to use it for sound to hear tv through speakers even when not playing a DVD. How do I hook it up that way......

Take the red, yellow and white cord and plug it into the back of your cable box and then run it to you tv and then push the Source button on your remote on the Coby until the display says "Line" and there you have it

Sep 05, 2010 | Coby DVD938 Theater System

1 Answer

Can the surround sound from the 938 work with the just the tv

Specify: What TV?

As input or TV as output?

Former: generally, no
Latter: depends on what speaker systems the TV has.

Dec 05, 2009 | Coby DVD938 Theater System

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