Question about Panasonic SC-HT730 System

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No sound at all in any mode

I tried to connect two additional speakers for the exterior of the house using an A-B box. It didn't work.
I then put the system back together as it was beforeĀ using the manual Operating Instructions. No sound.
I disconnected and reconnected everything again but still have no sound.

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Re: No sound at all in any mode

If you get a F61 error when the unit is powered on then the output ic is bad.Subwoofer has the power amp built into it.You may have damaged the IC with a mixup in the +/- speaker hookup and the common ground connection in the A/B box.Seems your subwoofer will need service.

Posted on Apr 05, 2008

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How are you connecting the devices?

If you have used the cable box audio out (RCA) to the audio in (the ones just right of the digital coax audio out and the S-video out) on the home theater system, make sure that you have selected the correct Source. (Use the Source button on the front of the system to select AV1 or AV2. This toggles between AV1, AV2, tuner and DVD. It's the right-most button below the display screen. Alternatively, use the Tuner/Aux button (second from the bottom on the left) on the remote.) Note with this connection, the video source cable should go to the TV directly. Unless it is a composite video signal. Then connect the RCA video out (REC out). Make sure that the audio digital output is off. Press Setup/Exit (just above and to the right of the arrow keys) on the remote. Go to the audio menu (press the left arrow key twice) and press OK. The first item in the list is the digital output and should be blank unless you are feeding the audio to another system.

Next try a different audio cable and check that your speaker wires are all connected. Check that the cable box is getting power and a signal from the provider. Connect it to the TV to recheck. If it isn't, make sure that the cables didn't come loose on the box while you were making the connections to add the system.

If you have a newer cable box with HDMI or digital audio out, these most be connected differently. A digital to analog audio converter will work with the second option. For an HDMI connection, connect that cable to the TV, then connect the TVs analog audio out to the NS-H2002. Then go to the Audio menu of the TV and turn on the external audio and turn off the internal speakers. (If your TV has a headphone jack as the only analog out, then this step may not be needed. However, you'll need a 3.5 mm to RCA stereo cable or adapter.)

Check if the audio works with another source (like a DVD). If another external source works, then it's the cable box or the connections to it. If no external sources work but you can here a DVD play, it's probably the input jacks on the system.

I hope this helps. Please add a comment with more information about the cable box outputs and the TVs inputs and outputs if you need additional assistance.

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Can't get sound to come from speakers with tv only the radio

You didn't give the brand and model of your TV, and I can't try to find a manual and see what kind of AV connections it has available. So here's some general information.

Many TV sets only have input jacks for external sources like DVD players or cable boxes. When you select an external source, or use the set's internal tuner for TV programming, the video and audio play through the TV. The trouble is that if the set has no audio output jacks, there's no way to get a sound signal out. The TV accepts only inputs

When the TV is part of a home theater system, most people use it just as a video monitor. All AV sources connect to the receiver, and audio is sent from there to the speakers. A video output from the receiver goes to the TV so you can see the picture, and the TV's speakers aren't used. If you have a cable box, FiOS set-top box or satellite receiver for your TV channels, they connect to the receiver too, since they're just another external source.

This doesn't work if you rely on the TV's internal tuner for TV channels, though. This might be the case, for instance, if you have a cable system where a converter box isn't required and your cable connects right to the TV. When you're watching regular TV, then, the sound comes through the set's internal speakers. If there's no audio output available on your TV, that's your only option.

As I said earlier, many TV's have only audio inputs. But some have audio output jacks as well, so the sound has a way out. If yours does, you can connect them to one of the inputs on the home theater receiver. Then when you select that input you'll get the TV sound through the speakers connected to the receiver. Depending on the design of the TV, you may need to leave the TV volume turned up. Some sets have outputs that are follow the TV's volume setting. On others, the output is an independent fixed level. Then you can turn the TV volume down and use just the receiver's speakers if you want.

Check the connections available on your TV and look for a set of "audio out" jacks. Your TV's owner's manual should have a section explaining how to connect it in different ways. If you need a copy, most manufacturers have manuals for download on their website.

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Another would be to select one of the DSP modes that uses surround speakers. They work with all input modes.

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How to create surround effect on cds/dvds which are not recorded on surround technology on home theatre dav dz 777

There is no way to do this in a controlled manner without re-mastering the disc, an unrealistic option.

However, there is a very simple way to extract the out-of-phase portion of a stereo recording, which can yield a quasi-surround sound effect.

To get this effect, connect an additional rear speaker to the positive ( + ) connection of the right speaker output and the negative ( - ) connection of the left speaker output.

Please keep in mind that this only works with a stereophonic (not mono) source and is fairly subtle.

Make sure the speaker you use is at least 8 ohms.

This is an old trick that pre-dates surround sound and works with music CD's too.

This set-up will probably degrade the sound of a true Surround-Sound recording so consider wiring a simple switch to disconnect the additional rear speaker when not in use.

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NO., it cant be played thru both when it is in cd/dvd mode because from manufacturing it vl be like that. it cant give its sound to other when in cd/dvd. how am telling is i have YAMAHA yht-165. when i use dvd mode.. the sound wont get thru its output. only works when its in other modes like tuner, md-r, tv, aux.

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Sounds like it's just in 2 channel stereo mode, only 2 speakers working out of 5 and a sub, look for a selector switch for switching to 5.1 surround, as far as the no video problem try replacing the cable for the video connection. 

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Greetings jdm12,

I can understand your problem, I have some what of the same issues with my home theater setup when watching events. One of the only suggestions I can make is adjusting the "Dolby Pro Logic II Mode". After reviewing your owners manual it appears you should be able to change the mode by pressing the PL II Mode button found in the lower keypad on your remote. It appears the options you should have are Music - Cinema - Pro Logic - Matrix - Stereo. You may want to try Music or Stereo when watching your events. In Stereo setting it should provide sound out of the front speakers and sub-woofer only. In Music, there are more processing that is done so you could hear more then just the front speakers.

I hope this makes your next your next PPV Party a big hit!
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Test the speakers by changing source to the disc mode, and inserting a dvd into the HTS. If you get sound on all 5 speakers in DVD mode, then your speakers are still good. If you don't get sound on all 5 speakers, then press the "SURR" button to try the sound in stero, dolby, or other modes - one of these should give you sound on all 5 speakers. If you still don't get sound on all 5 speakers in dvd mode, then there is a problem with the speakers or speaker wires.

If you do get sound on all 5 speakers in disc (dvd) mode, but not when in TV mode, then take out the red and white AV cable, go buy a digital audio or SPDIF cable, and plug in the digital audio or SPDIF cable from the digital audio OUT of your TV or cable/satellite box to the "DIGITAL IN" of the HTS.

-Tha Mp3 Doctor

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The unit may be experiencing an overload caused by a short circuit, internally or externally. Try disconnecting all the speakers, then turning up the volume. If nothing happens, connect one speaker at a time and turn up the volume to see if you get more sound. You may have a speaker that has shorted internally and this will help you discover the bad one. However, if when you have all the speakers disconnected, and the unit still goes into protection mode with the volume up, then there is a problem with the unit itself.

Hope this helps, and please rate my advice, good OR bad.

Good luck!

Feb 04, 2008 | Home Theater Systems

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