Question about JVC TH-M505 System

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JVC TH-M505 powers off right away

I am having the same problem as SUNNYB and some others have inquired about. I see there has been no solutions posted. Does anyone have any idea what the problem is? SUNNYB did you ever get your problem fixed? Thanks.........

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Sounds like your input power supply has a short. I'd take it in to a service center for repair unless you're handy with a multimeter and good at chasing circuits.

Posted on Jun 15, 2007


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I have a jvc seteup but reciever is there a way i can get a adapter to plug sub woofer with power amp into a a yamaha reciever?the plug that goes from sub woofer also powers other speakers, cable...

Here's a manual.

That cable not only carries audio but it also powers the sub and other channel amplifers. Even if we could supply the pin-outs for the channels I'm not sure what we could do to provide subwoofer power. We're talking about a major rework.

This is a highly proprietary design, meaning it's really not very adaptable to normal spec audio equipment.

There's a flat-fee repair service for the receiver ($99.95, free return shipping):

Maybe they could fix your receiver.

You COULD try to reach the manufacturer for other options.


Jan 12, 2011 | JVC TH-M505 System

1 Answer

Surround System setup


I did not find HVC(DId you mean JVC?).
If you meant JVC i found a link where you can download the Manuel,

Really hope this can help.

Oct 13, 2009 | JVC TH-M505 System

1 Answer

I have a JVC TH-M505 home theater system and when I plug everything together and turn the power on the main unit and begin to play a cd/dvd etc...I cannot get the sub unit to power up (the light does not...

you may want to re check all your connections.
are you plgged into a power bar or directly into a wall socket.
also you may have a defective power supply on the system . you can also check this website out it is free to join and you can download manuals and get help

Apr 26, 2009 | JVC TH-M505 System

1 Answer


Part number is QAM0381-002 , any jvc service centre can suupply

Feb 13, 2009 | JVC TH-M505 System

1 Answer

JVC th-m505 and dish network box sound level control problem

It's not your receiver, it's the Dish Network equipment, I have the same issue with my Onkyo...unfortunately I'm still researching the solution.

Oct 30, 2008 | JVC TH-M505 System

1 Answer

Download Manual for TH-M505 anyone?

Here's the link; Please post again if you need more info Hope this helps :)

Apr 01, 2007 | JVC TH-M505 System

1 Answer

JVC TH-M505 powers off right away

The unit is going in to shutdown. My guess is a failed output. Service is going to be required.

Sep 20, 2006 | JVC TH-M505 System

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