Panasonic Home Theater System sound keeps shutting off
I have a Panasonic SA-HT790V combination DVD/VCR/tuner/surround sound
with SB-WA312 "active subwoofer" unit. Recently the sound has begun to shut off during relatively louder passages. It is necessary to either plug in and remove headphones, or power-cycle the subwoofer unit, to bring it back. I suspect that the 5 channel amps are actually a part of this "subwoofer" unit, as well. At first I wondered if overheating could be the culprit, but now I suspect the low-frequency vibration from the subwoofer is tripping something in the unit. Is anyone aware of an issue such as this with Panasonic gear? Any suggestions on where to poke and prod? Thanks! -Charles Green |
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I also have the same problem and do not know how to fix this. This did
not happen for about 2 years but now this is a regular phenomena. I have the HT900 model. It is a crap and I can not watch any movie. Can someone help? wrote: I have a Panasonic SA-HT790V combination DVD/VCR/tuner/surround sound with SB-WA312 "active subwoofer" unit. Recently the sound has begun to shut off during relatively louder passages. It is necessary to either plug in and remove headphones, or power-cycle the subwoofer unit, to bring it back. I suspect that the 5 channel amps are actually a part of this "subwoofer" unit, as well. At first I wondered if overheating could be the culprit, but now I suspect the low-frequency vibration from the subwoofer is tripping something in the unit. Is anyone aware of an issue such as this with Panasonic gear? Any suggestions on where to poke and prod? Thanks! -Charles Green |
There may be a fault in the protection circuits, or in part of the output
stage. Sometimes the mounting screws that hold the output devices to their heatsinks loosen a bit, thus causing the devices to overheat during high output demand. Tightening the mounting screws may help, if this is the particular situation. If not, the unit will have to be troubleshooted to determine the exact cause. -- Jerry G. ====== "Al" wrote in message oups.com... I also have the same problem and do not know how to fix this. This did not happen for about 2 years but now this is a regular phenomena. I have the HT900 model. It is a crap and I can not watch any movie. Can someone help? wrote: I have a Panasonic SA-HT790V combination DVD/VCR/tuner/surround sound with SB-WA312 "active subwoofer" unit. Recently the sound has begun to shut off during relatively louder passages. It is necessary to either plug in and remove headphones, or power-cycle the subwoofer unit, to bring it back. I suspect that the 5 channel amps are actually a part of this "subwoofer" unit, as well. At first I wondered if overheating could be the culprit, but now I suspect the low-frequency vibration from the subwoofer is tripping something in the unit. Is anyone aware of an issue such as this with Panasonic gear? Any suggestions on where to poke and prod? Thanks! -Charles Green |
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