Question about JVC TH-C30 System

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No power We moved our JVC TH-C30 system to another room in the house. Hooked it up and it was operational. Unplugged the speakers to tighted up the cords, reconnected and the power would not come back up.

Posted by David Holifield on

  • 1 more comment 
  • cycurnin Dec 31, 2007

    I unplugged the unit without turning it off, and now no power to the reciever or the subwoofer. Wth!

  • Anonymous Feb 21, 2008

    We haven't moved or touched the stereo in a month and now the thing won't come on AAAAARRRRGGGHHHHHHH

  • Anonymous Aug 09, 2008

    JVC TH-C30 will not play sound. Receiver lights up and appears to be playing radio or CD, but no sound. Noticed power indicator light on sub comes on briefly when first powered up, but then goes out within a couple of seconds. Took cover off of sub and found 3 fuses, all of which are good.

    Took cover off of receiver, fuse was good there too. If I unplug the cable running from the receiver to the sub and plug it back in the power indicator light on the sub will again light back up and go back out within a couple of seconds. I hear a relay switching when the light goes on and off. I've only had this unit a couple of years and haven't used it but 3-4 times Any help would be appreciated. Lankford

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Anonymous

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I have a TH-C30. I had the same problem where the unit just stopped working - no standby light and no recognition of power at all. After checking this forum and another, I opened the unit, found the ceramic fuse where the power comes in and went to Radio Shack. They have a T1AL250V fuse pack that is a 1 amp, 250 volt, 5 X 20 mm SLOW BLOW glass fuse which is a better fuse for this common problem. Their RS number is 270-1063 and a pack of 4 costs about $3. Put new fuse in and the problem was solved.

The repair took minutes - 3 screws on the back and two screws on each side. Lift the cover from the back (it is slip-hinged on the front) and replace the ceramic fuse. It slips out with a little help and the new one snaps in place.

Posted on Aug 17, 2008

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Anonymous

Cycurnin's problem was fixed! I found the problem to be a small fuse located in the reciever that was blown. Un-plug the unit, take the cover off, and right in front of the power cord coming into the unit a small fuse is located there. $2.49 for five at Radio Schack.

Posted on Feb 22, 2008

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Anonymous

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Check your outlet... mine worked fine for like a year but the outlet had given out... testers available at any hardware store... or try a power strip in that outlet

Posted on Feb 22, 2008

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I have a JVC TH-C30 an it turns on but no sound. Left it off for a day then tried again.....nothing! Changed power fuse....nothing! What else could I try to make this work?
If something turns on the fuse isn't blown.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on; or it may turn on but produce no audio to the speakers.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'nekkid'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Sep 16, 2011 | JVC TH-C30 System

1 Answer

I have a JVC TH-C30 system, the red standby light comes on with power applied, but when I go to turn on the system, the standby light goes out, the system appears to be on, then turns itself off within...
When one reports a fuse replacement it would be helpful to know if that was a Hail Mary wild guess or if the fuse was indeed blown.

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

May 29, 2011 | JVC TH-C30 System

1 Answer

Jvc thc 30 wont power on
http://www.retrevo.com/support/JVC-TH-C30J-Home-Theater-Systems-manual/id/318ci572/t/2/

Generally speaking, an amp protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 16, 2011 | JVC TH-C30 System

1 Answer

I have a JVC, Home Theater system. It is a TH-C30. The power button on the Subwoofer will not come on. Can you identify the problem?
I think there may be a possible chord disconnected or the fuse may be bad!

Apr 26, 2010 | JVC TH-C30 System

1 Answer

JVC TH-C30 dvd movies skip
Check your formatting on the DVD recorder, you need to finalize the disk to be playable on "any" player. That should solve the issue. Your JVC is looking for specific code as it reads the disc, when it's missing or not understood by your JVC it will either stop play or skip over it's interperated missing info. Hope this helps

Jun 23, 2009 | JVC TH-C30 System

1 Answer

JVC TH-C30 Digital Theater System
If there is no power at all, then try bypassing surge protector, check power cable, and check if power cord is fused.

If unit has power but does not start, then it is on protection.

Protect mode will kicking whenever a fault is detected.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Mar 11, 2009 | JVC SP-PW100 Subwoofer

1 Answer

Sub won't stay powered up
well if your getting sound out of your surround speakers then the sub is busted, if your getting no sound at all then your speaker input's are either bad or out... i would test the speaker inputs...

Aug 09, 2008 | JVC TH-C30 System

1 Answer

Universal Remote
I do not know if it works but you can check the website, I am very happy with my Logitech Harmony remote. Probably overkill but you will love what you can do with these.

Jun 26, 2008 | JVC TH-C30 System

1 Answer

JVC TH-A10 Won't TUrn on...
Unplug the JVC and the subwoofer from that outlet. Then, plug them back to a different outlet (where power is constant and not interupted by any switch.) Hope this helps

Aug 25, 2007 | JVC TH-A10 System

1 Answer

JVC TH-C30 System set region 4
you will have to change your DVD player for a all region DVD player.good luck.

Apr 11, 2007 | JVC TH-C30 System

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