There is no sound when playing DVD's. When watching TV, the sound is great. This only recently started and it is intermittent. Some times the dvds will play just fine and then the sound cuts out or it won't have any sound at all. This a Panasonic SA-HT720 that is about 5 years old.
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Re: No sound when playing DVD's
Does the display still show the time on the DVD as if it is still playing? Or does the time display stop? If the DVD is still playing, you still see the movie going along with no sound, then the problem is in the DVD module board if you are also listening to the tV thru the Panasonic.
The amp is located in the sub-woofer and if the sound is good thru it when using the TV it only leaves the DVD module.
The part number for that part is REP3454G
I am not sure this board is even available. But that is the part number.
It would be a difficult task to determain what components on that DVD module board is bad. I have repaired a good number of these Panasonic systems working at an authorized service center. If you have the right tools, a multimeter and the schematics, I can help you to figure out at component level what is bad. But without those tools and a decent knowledge of electronic components this would be a useless effort. This is a very complicated circuit and could have a good number of different reasons why it cuts out only on the DVD player.
Your best choice would be to take it to a service center for repair, unless you think you can troubleshoot it yourself.
You may either have a short in the sound aux cord running from the dvd player to the tv. Check that cord and try getting a new one and see if that solves the problem. If it does not, then make sure all of the connections are firm and in the right place. If that still does not help, you may have a problem inside the dvd player with either with the laser that reads the dvd's for sound and video, or you may have a problem with the part you plug the sound plug in to. There might be a short in either of the connections. If you are not good with electronics, then do not open it your self. Get it checked by a professional.
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there should be an input line of just audio cable hookups (one red and one white) that you have to run and an output cable from your tv audio output of just red and white. make sure the tv says output or line out and the surround sound system says input or line in
This is a typical problem with TV broadcast UNLESS you use a matrix DSP surround sound mode, most DVD audio is either Dolby digital 5.1 surround or DTS multi-channel surround sound, unless you are viewing a HDTV broadcast with 5.1 Digital sound connected from the TV to the receiver then you are probably receiving a 2 channel Stereo sound format, I would suggest that you try to set your TV input mode to a audio Dolby Pro- Logic which will yield 5.1 and should engage all speakers.
I would just hook up the dvd/vhs player with the red,white,yellow rca cables that should of come with your unit and just go to the input on the tv to watch your dvd/vhs player. This will give you a better picture and sound while allowing you not to have to watch dvd/vhs on a channel which helps make the dvd/vhs player independent. Also if possible I would hook the converter box up with the red,white, yellow rca cables to the tv as well if your tv has more than one set of red,white,yellow plugs since it is a better connection that coax and you probably watch more tv than vhs/dvd anyway. So bottom line try to hook up both boxes red,white,yellow and watch each box on different inputs instead of like channel 3 or 4. Also to record of converter box you can run coax from converter box to dvd/vhs combo and make sure your dvd/vhs player is on tuner input or channel 3.
That should give you the connection options. The short answer, though, is to connect the best audio out from DirecTV to an audio in on the surround sound and then choose that option in the surround sound system when you want to watch TV.
Had same problem with my HDMI connection on my sony bravia and sony theatre system, resolved by conecting a scart lead from the theatre system to one of the free scart sockets on the back of the TV, leave your HDMI connection in place as the DVD signal comes from this,