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Can't get rid of buzz sound with HDMI

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Old 08-10-2006, 07:58 AM   #16
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Odd idea, but what is the TV set for, for sound???
Since HDMI carries its sound all ready, you may want to set up the TV for no sound on all other connections. It may be introducing its own ground loop within the circuity of the sound boards.
Set for no sound??? Mono etc, try them out I guess!!
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Old 08-10-2006, 08:13 AM   #17
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An addendum to my last post:
I was able to hook up the sound for analog when using the HDMI cable - the analog audio inputs are right next to the HDMI cable on my tv - a senior moment . With the analog sound inputs for HDMI connected from my cable box to my tv, I still had the buzz sound when watching tv programs via the HDMI connection.
Is this information helpful in trying to diagnose the source of the buzz sound when using the HDMI connection?
Thanks again.
Richard
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Old 08-10-2006, 10:14 AM   #18
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Yes it is helpful. It points to the TV having the problem. The only way to verify this is to hook up a different HDMI source to the TV. Yes that would mean either buying or borrowing another device with a HDMI output.

So is the picture quality far better through the HDMI input over component? Usually if this is the case, it is because the component inputs need to be calibrated. If you can't get the TV serviced, then I would reconnect via components.

One last shot. You might see if there is anything in the menus concerning the audio of the HDMI port. If you hooked up a DVI device through an adapter, then the audio jacks you tried would be how you get the audio into the TV. It may be inserting the cables into the audio jacks does the switch or it may be a menu item. If it is a menu setup item, then switching from the digital audio to the analog audio may be necessary.

Last edited by rbinck; 08-10-2006 at 10:19 AM..
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Old 08-11-2006, 05:22 PM   #19
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Hi Rbinck,
Well, I finally got a dvd recorder that has an HDMI connection, as you suggested. When I hooked the dvd recorder to the tv using the HDMI connection and played a dvd, I still had the buzz. When I turned off the dvd recorder, the buzz disappeared. So, it looks like the tv has a problem. Correct? It's very irritating because as I mentioned before, I had the tv replaced with a new one within the first few days I bought it because of the buzz with the HDMI connection. Once the buzz also occurred using the HDMI connection on the repalement tv, I assumed the source of the buzz was not caused by the tv (buzz happened on two brand new tvs), but must have been caused by some other component. Now, of course, the warranty has expired. If the tv is the culprit, I don't mind using the component connections to watch tv programs. However, it is still annoying that I bought an expensive tv that has a "bum" HDMI connection. I wonder if it would be expensive to repair.
Also, in answer to one of your questions, there is nothing in the menus to affect the HDMI audio port.
Any other thoughts?
Thanks again for all of your help.
Richard
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Old 06-04-2007, 08:10 PM   #20
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Only a year later but it might help other people, make sure all your componets are plugged into the same electrical outlet or at least on the same circuit.
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Old 02-14-2008, 02:00 PM   #21
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Better late than never. I have the identical TV and the identical problem and have had it since I got the TV. When a Sony warranty repairman came in 2005 he blamed the Samsung DVD so I sent that back and used component instead of HDMI on a Sony DVD player. That has now died in Feb 2008 and I bought first a toshiba dvd recorder with an hdmi cable (same problem) then a sony dvd upconversion player with a new hdmi cable. No better. (the upconversion requires the HDMI) Sony insisted I get an authorized repairman ( from the same company that said nothing was wrong originally) who gave me a $550 quote to put in a new p board. After much haggling Sony agreed to pay $350 of this cost since it is out of warranty. But I have documentation that the problem was there all along. The issue is should I spend the $200 if the problem is inherent with the TV and won't be fixed with a new p board (whatever that is). Were you able to solve the problem? It is a particualr problem now because Blue ray or high def dvd require the HDMI connection so the component video just won't work
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Old 04-08-2008, 01:35 PM   #22
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Default Sony repairmen unable to fix buzz

The Sony repairman came and tried replacing the p board. it didn't work. He called Sony and came back with a different part. Still didn't help The only solution will be to turn off the TV sound and use the audio out to a separate sound system. Hopefully the hum won't be sent out on that connection.
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Old 04-09-2008, 11:57 AM   #23
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Quote:
Originally Posted by getwyred View Post
Only a year later but it might help other people, make sure all your componets are plugged into the same electrical outlet or at least on the same circuit.
Along that line, if they ARE plugged into the same circuit, it might not hurt to get a very long extension cord plugged into a different AC circuit in your home, and try plugging each component into that, one at a time, and see what happens to the hum.

Cable TV inputs are not an uncommon source of ground problems, but based on what you have done so far, I think that's been eliminated as a culprit.
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Old 05-03-2008, 08:50 PM   #24
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try a different cable. we have cables for selling
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Old 03-08-2010, 10:11 PM   #25
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I joined the forum because I googled ground loop home theater and found this thread. I just went through the exact same problem and the fix for me was to NOT ground the subwoofer. I used a three prong to two prong adapter. Anything else did not work or created more problems with Explorer 8300 HD. I found my fix by accident using a long extension cord to plug throughout the house, but the ground prong was broken off it.

I knew my problem was the subwoofer because it was new and the rest of the system didn't buzz before.
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Old 07-03-2010, 11:54 PM   #26
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My mother just got a HD Cable Box since she bought a HDTV for the first time, a 26 inch Samsung LCD.
She is getting a buzzing sound every now and then, not continuously that sounds like a beehive. Very annoying.
I tried fiddling with the audio on the TV and Cable Box but no luck.
Time Warner has been nothing but trouble. The regular box had audio issues also (with an old TV and the new one) with audible pops and the sound going out sometimes. Now she gets the bees with the new HD Box (a weird little box from motorola with no channel display on it).
Not sure if I should get the T/W know nothing tech out here again or just unplug the HDMI Cable. Could it be the TV? For some reason I don't think it is.
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Old 04-13-2012, 11:48 PM   #27
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Since I'm not a fan of starting new threads, I'll post on this one. I'll try to be as complete as possible and also say that there are 2 fixes I've not tried that I have read on here so please know that.

I do karaoke at a bar and they prefer that I use their HD TV. They used to have a coax cable that they ran through the ceiling and would drop down that I would input into a converter box and run an s-video cable into my laptop. I have updated my laptop and instead bought a CL-3 certified and shielded HDMI cable that is 50 feet long. The current setup is as follows.

RCA sound cable from laptop to Behringer Mixer
2 hard drives that connect to the laptop via USB
The mixer has 3 mics on it, one corded and two cordless
2 speakers plug into the mixer

I use a total of 3 power supplies to simplify my life, if that makes sense All of this is fine, no noise. The moment I plug in the HDMI cable and the laptop syncs with the tv, I get the buzzing. I can only attempt this setup once a week as it's the only time I work there and getting all this equipment set up takes about 45min.

The two suggestions that I will try are switching the sound off on the HDMI port, if possible and disconnecting the HDMI cable on the TV end to see if that does anything with the buzz.

My setup seems to be a different one than what I've read here but the ultimate goal is the same, to get rid of the buzz. Any help would be GREATLY appreciated!

Thank you in advance!
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Old 05-30-2017, 07:17 AM   #28
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Default I have buzz in new 60"Vizeo display didn't have on Sanyo 65"

Sony soundbar disconnected from Vizeo TV but soundbar is connected to PC. I am using the factory sound currently and I get a buzz. I only have a DVD and PC HDMI connected to the Vizeo. So I have concerns it's the Vizeo this is the 2nd Vizeo in 5 weeks. First one power wouldn't stay on. Vizeo sent a new one. Since the buzz didn't happen on the Sanyo I have concluded it's the Vizeo, what is causing this?

Last edited by bjl3; 05-30-2017 at 07:28 AM..
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