Question about JVC TH-C40 System

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No sound The video/dvd system works, however, there is no sound whatsoever. The Subwoofer light does not come on even though the cable and speakers are hooked up properly.

Posted by pascal liebault on

  • Anonymous Jan 25, 2008

    i have the same problem!!!!

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Henry Thomas

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If the set does not light up you are having a power supply problem have a tech repair your system.good luck

Posted on Apr 28, 2007

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Where do the cables go for pic and sound


You can find the manual here if you need a copy.

This system was sold with speakers and connecting cables. One cable connects from the main unit to the subwoofer. The rest of the speakers supplied with the system plug into the subwoofer with their special connecting cables. If you don't have the subwoofer and satellite speakers along with the cables, you can't get sound out of this system. There is no built-in amplifier and no way to connect speakers otherwise.

The video connection to your monitor or TV is from the rear panel on the main unit. You can use an s-video cable, composite video (a single cable with RCA plugs) or component video (3 RCA cables), depending on the inputs supplied on the TV. Component video gives best performance if the TV supports it.

Jun 21, 2011 | Philips HTS3440/37 System

2 Answers

Just bought a used yamaha receiver model RXv793 do not know how to hook it up.


First do not panic by seeing all sockets in the back side of the receiver.You can connect 5 speakers and one subwoofer on the speaker A switch and maybe a second pair of stereo speakers on the B switch.All the speaker sockets have red and black terminals, so do all speakers. Just get decent cables ( You can buy a whole connection Kit if you want ) and connect the corresponding outlets to you speakers.If you have a powered subwoofer connect the subwoofer input to a socket labeled Subwoofer pre out on the RXV. You will need a RCA to RCA cable for that Next you will need a coaxial or Optic fiber cable to connect a DVD player digitally. The back of the DVD player will have a socket marked coaxial out, and so does the RXV's backside. Just link them .
Turn on the system everything should work. If you are not getting DVD sound there is small button on the RXV front panel called Digital input -- set it to auto ( keep pressing the button and it will scroll through various modes). Also remember to switch on speaker A on the front panel.

Mar 09, 2011 | Yamaha RX-V793

1 Answer

I have a subwoofer and speakers from a surround sound system but the dvd part has blown up can i use the subwoofer and speakers with another unit


sure u can. but depends either your system is active or passive. active means the speakers (or sub) driven by built-in amplifier, so the dvd delivers a low signal to the speakers amp and they amplify the sound for the speakers. passive means the amplifier is built into the dvd and delivers the amplified sound signal to the speakers thru speaker cable. if you tell me model number and brand i can find out what type they are.

Feb 08, 2011 | Philips Audio Players & Recorders

1 Answer

Hi my philips hometheater HTS3450 subwoofer power supply is blown off and the philips guys are giving estimate of 100$. my question is if i dont want to use the subwoofer and the speakers but only connect...


yes.modern TVs have good speakers,and the bravia has a good set,with adjustable sound fields,plus a decent amp in them.just use good cables,and use component video cables,or HDMI if yr DVD has it.most have 1080 video resolution nowadays

Jul 01, 2010 | Philips HTS3450 System

1 Answer

Philips hts3450 have video but no sound.


It seems your device is thinking it has no speakers connected, reconnect teh cable between the device and the subwoofer and make sure it is connected properly.Als chekc all speakercables if they are connected properly and correct (+ on + and - on -).

Jan 03, 2009 | Philips HTS3450 System

2 Answers

SA-AX720 no subwoofer signal?


THIS UNIT HAS NO SUB WOOFER AMP IN IT. THE ONLY WAY TO OVER COME THIS IS TO HOOK THE LEFT AND RIGHT FRONT SPEAKERS STRAIGHT TO THE SUB WOOFER AND THEN GO FROM THE SUB WOOFER BACK TO THE INPUTS ON THE BACK OF THE UNIT FOR THE FRONT SPEAKERS. THE SUB WOOFER THIS WAY WILL EXTRACT THE BASS AND THE FRONT WILL RECEIVE THEIR PART. THIS SOUNDS CRAZY AS HELL I KNOW BUT THAT'S HOW I GOT MINE TO WORK. THE OUTPUT FOR THE SUBWOOFER IS USELESS AND PUT THERE FOR YOU TO HOOK UP AN AMP FOR A SUB WOOFER. EVERYTHING HAS SHORT COMINGS, AND THAT'S THE ONE FOR THE AX-720.

Sep 22, 2008 | Technics SA-AX720 Receiver

2 Answers

JVC TH-L1 problems....no sound


Almost the same problem. HDMI connections good, sound and video through monitor (LCD TV) , but no sound from the JVC unit speakers.

Dec 29, 2007 | Audio Players & Recorders

1 Answer

Connecting subwoofer to receiver.


have u checked that the sub option on the reciver is on?

Jan 06, 2006 | Kenwood 107VR

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