Questions & Answers for: JVC bad sound

...picture but sound is just a crackle and has no control, replaced sound IC (LA-4485) but no change. Has anybody encountered this problem? check the Audio if ic or something gone bad around it. good ...

...sound. Sounds like a bad autio output transistor. You can get the part # & location from the schematic in the back of the set. It's not hard to change it yourself. Should cost about 15 dollars at ...

... TV made a popping sound and now the screen does not work. Sound still does. The Drive PWB for the Plasma Panel just fried. You can probably remove the back cover and easily identify the bad ...

sound then the internal amp maybe is bad. Make sure it is not muted also.LOL you can also check the audio stage of your unit,if there is a bad component,especially the capacitors and power transistors

...bad solder joint sound vibration from the speakers can cause the solder joint to disconnect and this inturns trips the system to power down. what make and model of TV? try running the TV on Mute to ...

but will the sound return after I replace the lamp or is this a seperate issue? If lamp is bad set will detect that (or other issues) and kill all functions=not unusual to have no sound if lamp is bad

...Speakers on rear of set are switched to external (slide switch may be there) A bad headphone socket if there last is a problem in the sound circuit which would cost more to fix than the set is

sound but there is no picture on the screen and bulb apears to be working It is hard to say what the problem could be. A lot of boards on this unit can cause the same condition. Lets start out simple.

...aux mode only cd player sounds normal It sounds like whatever is connected to the aux socket has a bad earth connection check and replace the cables to

...for sure. I can get sound to play if I push hard up or down where the input connection is so I think it may be the connection. Sounds like a bad soldering joint or bad connection on the