Question about JVC TH-C60 System

2 Answers

When system is turned on, the subwoofer light comes on and then goes out.

This just started to happen. There is no sound from the speakers. Turn system off and back on and the same thing occurs.
Thanks for your support.

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  • 3 more comments 
  • Steve B Jan 08, 2008

    I took the amp out and nothing looks burnt or broken that I can see.

  • Steve B Jan 08, 2008

    I checked the power plug and put it in another outlet. I also looked at the S cable at both ends that runs from the reciever to the powered subwoofer and no pins are bent. The cables were not touched between the unit working and not working.

  • Steve B Jan 08, 2008

    Hello!!!

    I have checked the DIN cable and all pins have continuity including the power cord.

  • Steve B Jan 08, 2008

    When I power up my JVC TH-C60, the powered subwoofer lights up for about a second and then the light goes out slowly.
    I have checked the DIN cable and the power cord and both have continuity between their pins.
    Thanks for your help.

  • Steve B Jan 08, 2008

    Thanks Paul. Overheating is not the problem so I believe you are correct that a resistor is bad.
    I will let you know what I find.
    Appreciate

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2 Answers

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  • Master
  • 4,102 Answers

Hi it sounds like the power is being interupted and the unit is shutting down.
You will need to check all resistors near amp check for swelling or signs of over heating. it is difficult to get schematics for these as i had friend with one and we looked everywhere for the schematics and couldnt source them.
The chances are its going to be a resistor or if lucky a solder problem witch will require resoldering this is less likely as it shuts down almost imediately so i would look at all resistors and replace as necesarry but without sourcing schematics its difficult to trace the resistors in order as to eliminate them in the right order.
Ill have another look maybe somebody has sourced one by now but just check all resistors for signs of swelling or discolour you might find it could be a couple gone let me know how you get on ok

Posted on Jan 08, 2008

  • paul proctor Jan 08, 2008

    Hi forgot to ask is it just the sub that shuts down as usually this is sign of overheating.
    so check all air vents are free from dust and also remember that if the unit is ontop of another piece of equipment then this will cause it to overheat as they should not be placed on top of any other units.
    If over heatings the problem then this could be expensive to fix as you could end costing as much as replacing let me know how you get on ok.
    If the leads havnt been moved unplugged or knocked about before you got the problem then you no its not the leads so dont go that route unless someone has messed with them.

  • paul proctor Jan 08, 2008

    let me know how you get on ok

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  • Master
  • 790 Answers

Hello!!!

Just check out the cables connected to the woofer first... Guess its an electronic issue ..

Posted on Jan 08, 2008

  • Kanth raj
    Kanth raj Jan 08, 2008

    Guess its a faulty cable .. it may work fine if the connecting cables replaced ...

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