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16th 2006f December 2006
Posted in: Uncategorized
tcrgunier asked:
I think the problem is my comcast DVR, but I’m not sure. I have an Onkyo 5.1 receiver and the Comcast HD DVR. When I hook up the optical audio cable to the Onkyo receiver, I get a high pitched ringing. I don’t get this when I hook up my dvd player through the optical cable so I’m sure it’s not the receiver. When I use analog cables from the DVR I don’t get the ringing noise but It still sounds like crap. It sounds distorted, kinda how it sounds when you have a cd player hooked up to external speakers and the volume on the cd player is turned all the way up. Anything will help, thanks.
Benedict
I think the problem is my comcast DVR, but I’m not sure. I have an Onkyo 5.1 receiver and the Comcast HD DVR. When I hook up the optical audio cable to the Onkyo receiver, I get a high pitched ringing. I don’t get this when I hook up my dvd player through the optical cable so I’m sure it’s not the receiver. When I use analog cables from the DVR I don’t get the ringing noise but It still sounds like crap. It sounds distorted, kinda how it sounds when you have a cd player hooked up to external speakers and the volume on the cd player is turned all the way up. Anything will help, thanks.
Benedict
4 Comments
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maybe ur speakers are too close together, or ur cables are interfearing with other ones such as internet,phone…. its a cable issue, sounds like it, its definitely coming from ur speaker set up
Comment by juan s — December 17, 2006 @ 5:39 am
Sometimes when wires are crossed you get a feedback sound.
Make sure you are not plugging all of your electrical equipment into the same unit .
Make sure your wires are not tangled or crossing one another,and place your speakers further away from the electrical interference of your comcast dvr. When you place speakers too close to the tv,and/or other electrical appliances,you get a feedback noise.
Try that and see if it works.
You shouldn’t connect the optical cable to your receiver,there is no need to,only connect the ouput of your dvr to your television set.
You only need to connect the output of your cable to a mixer,and/or a vcr/dvd player,and output your dvd/vcr audio only to the tv set .
You are double looping your video signal which is causing feedback also.
Comment by Dfirefox — December 19, 2006 @ 8:19 am
most of time the high pitch noise was introduced from vibration. and lots of time is the coil in the power transformer. When receiver was hooked up, it demand more power from the amp, transformer have to deliver more, that could cause the coil vibrated. Here is solution
if you pin point the problem is the transformer, you either replace the transformer or drop a lots of supper glue into the transformer.
Comment by tiger — December 22, 2006 @ 6:07 pm
You should check your wires and connections. what usually causes this is cheap wires causing grounding.
Comment by Jorge H — December 23, 2006 @ 4:53 am