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Good Day sir/maam, my guess are several, lets start at the common ones, make sure that the AV cables are good. you can try swapping cables to make sure. If possible try the cables on other units such as any DVD player. There is a possibility that the sound jack, is bad, try to vibrate the plugged cable, and see if the sound goes back if it does, you need to solder the terminals. Worse is the Amplifier section of the TV. does the TV sound normal on broadcast? check the volume, mute. or the TV setup. hope this helps. if you have additional info please feel free to ask again, let me know any progress. thanks
Check for the cables to the cable box/reciever. What type of cable are you using for connection with the cable box(HDMI,RCA component cables)? Your tv is fine as it is working with the dvd player. The issue is with the cables connecting the cable box or from the cable company. Call them to get more information about this issue(maybe weak signals)
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I would suspect that your tuner section in the television has developed a problem. Since the input sound is directly input into the tv's microprocessor, then the tuner is probably the culprit and should be replaced.
The tuner section is the shiny box-type section with the cable connector attached to it. I do not recommend trying to repair this set by yourself, though. The voltages inside the television can be lethal. Please refer this unit to a repair shop , as the repair should not be much. Or, you can use a VCR as the tuner to the television, using same input that you use for your dvd player, and use the VCR remote to change channels. Hope this helps you...
I called the JVC tech service rep. I went from the Cable box to the JVC unit with a Digital Optical Cable, from dvd/vcr player to jvc unit with a Composite Cable and Audio Cables. From cable box to tv with hdmi cable and from jvc unit to tv with componet cables and cable box to dvd/vcr with Audio/ Video and S-Video cables. This allows me to have the cable TV access and Surround sound in all mode. I have HD and Digital surround sound in three diiferent modes. Everything is working great. Thanks for the opportunity for help just the same.
Does anyone know where can I buy a screen for a 27" LCD Insignia TV. Model is NS-27LCD? My screen creaked. I checked out e-bay and have not found a broken TV with a good screen. Does anyone know where I can buy a screen at. Thank you all for you time. JC
To get the dvd working hook up to amp with a optical or coax lead to your amp digital in,set out put on dvd to give 5.1 sound,next put a phono cable from cable box to tv input on amp or sat input,now put phono cables from tv audio out to tv or other free input on amp.Set sound to prologic2 and you should have surround sound for all.
hope this helps.