reciever humming= annoying! - Blu-ray Forum

hkpsitole · 01-27-2009, 11:17 AM

i bought the Sony HT-S2300. its a great little htib... but the reciever hums.. like a high pitch noise of different frequencies.. it does this only when its off/standby.. I have it plugged into a Monster 600 power strip.

Is this normal.. its in my bedroom so. at night its noticeable enough.. I have been turning off the monster breaker is that ok?

phansson · 01-27-2009, 01:15 PM

Is the humming sound coming from the speakers?

SDon1969 · 01-27-2009, 01:22 PM

See if it still happens when you disconnect your incoming cable TV coax. My Comcast cable used to cause a very low speaker hum. If that's not it, maybe you have a ground loop issue.

http://boardsus.playstation.com/play...read.id=844938

hkpsitole · 01-27-2009, 01:32 PM

the receiver is humming.. its more like a high frequency whine. its coming from the reciever..im guessing the amplifier.. the tv coax is not running into the receiver. when i turn off the monster strip it makes a whine that decends in tone before becoming silent

SDon1969 · 01-27-2009, 01:47 PM

Quote:

Originally Posted by hkpsitole

the receiver is humming.. its more like a high frequency whine. its coming from the reciever..im guessing the amplifier.. the tv coax is not running into the receiver. when i turn off the monster strip it makes a whine that decends in tone before becoming silent

The coax doesn't have to run directly into the receiver, mine was causing a low buzz/hum (of course my cable box is plugged into the receiver) - it's just a quick check you can make. But that whining tone sounds odd, maybe the amp is near death...

aramis109 · 01-27-2009, 02:00 PM

Yeah, if its not the speakers, it not a ground loop issue. Could be the amp, or the power supply, or anything like that but it's probably a hardware issue that may or may not mean that it's going out. If its under warranty, get it serviced.

sheedoe · 01-27-2009, 02:18 PM

Could be a grounding issue. Can you verify if your outlet is grounded properly?

hkpsitole · 01-27-2009, 10:51 PM

the outlet is fine.. im within the 30day return. its going back for now.. i"d hate to have it break in 3 months. the sound is loud enough for me to turn off the power strip every night

Squozen · 01-28-2009, 08:52 AM

Probably a loose wire in the power transformer. It's possible that it's just a cheap design, but a replacement will prove it one way or the other.

01-27-2009, 11:17 AM	#1
hkpsitole Junior Member Member since:Dec 2008 Blu-ray collection:16	reciever humming= annoying! i bought the Sony HT-S2300. its a great little htib... but the reciever hums.. like a high pitch noise of different frequencies.. it does this only when its off/standby.. I have it plugged into a Monster 600 power strip. Is this normal.. its in my bedroom so. at night its noticeable enough.. I have been turning off the monster breaker is that ok? Last edited by hkpsitole; 01-28-2009 at 02:27 PM.

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01-27-2009, 01:15 PM	#2
phansson Blu-ray Ninja Top contributor Member since:Nov 2007 Location:Arkansas Home Theater Gallery:22 Blu-ray collection:643 Blu-ray reviews:1	Is the humming sound coming from the speakers?

01-27-2009, 01:22 PM	#3
SDon1969 Blu-ray Samurai Member since:Feb 2008 Location:Massachusetts Home Theater Gallery:32 Blu-ray collection:745 Blu-ray reviews:1 Trading Score:1	See if it still happens when you disconnect your incoming cable TV coax. My Comcast cable used to cause a very low speaker hum. If that's not it, maybe you have a ground loop issue. http://boardsus.playstation.com/play...read.id=844938

01-27-2009, 01:32 PM	#4
hkpsitole Junior Member Member since:Dec 2008 Blu-ray collection:16	the receiver is humming.. its more like a high frequency whine. its coming from the reciever..im guessing the amplifier.. the tv coax is not running into the receiver. when i turn off the monster strip it makes a whine that decends in tone before becoming silent

01-27-2009, 02:00 PM	#6
aramis109 Blu-ray Ninja Member since:Mar 2008 Location:Milwaukee, WI Home Theater Gallery:10 4K collection:4 Blu-ray collection:360 Trading Score:18	Yeah, if its not the speakers, it not a ground loop issue. Could be the amp, or the power supply, or anything like that but it's probably a hardware issue that may or may not mean that it's going out. If its under warranty, get it serviced.

01-27-2009, 02:18 PM	#7
sheedoe Senior Member Member since:Apr 2008 Location:Brooklyn, New York Home Theater Gallery:28 Blu-ray collection:133 Blu-ray reviews:4	Could be a grounding issue. Can you verify if your outlet is grounded properly?

01-27-2009, 10:51 PM	#8
hkpsitole Junior Member Member since:Dec 2008 Blu-ray collection:16	the outlet is fine.. im within the 30day return. its going back for now.. i"d hate to have it break in 3 months. the sound is loud enough for me to turn off the power strip every night

01-28-2009, 08:52 AM	#9
Squozen Senior Member Member since:Jan 2008 Location:Melbourne, Australia Home Theater Gallery:17 Blu-ray collection:80	Probably a loose wire in the power transformer. It's possible that it's just a cheap design, but a replacement will prove it one way or the other.

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