When we turn it on, we hear a loud whining noise that overshadows the sound of the organ. It works, air is going through, but this noise is there. We put oil in itk, but that didn't help. Any suggestions??
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When you've got good volume, try unplugging the speakers (only for a very short time) to see if that whining noise is still there or if it's stopped. We're trying to see if the whining is related to the low volume and "protect" or if it's only coincidental.
Try unplugging all the cables (except the power cord). Turn the player on & off several times & see if that whining noise acts the same. Also see if the player goes into "protect". What we're trying to do here is see if it NEVER goes into "protect" with the cables unplugged.
Last... try to get it to start & run without going into "protect", with all the cables unplugged (except power). Plug the cables in, one at a time, and see if plugging one of the cables in forces it into "protect". If so, there's something wrong with that cable or whatever's on the other end of that cable. Unplug it again & restart the player - no "protect"? Wait a little while, plug the cable in. "Protect"? Check the other end of that cable.
If it goes into "protect" with nothing plugged in except the power, then the player is probably a write-off, ready to be replaced (it's not very often that DVD players are worth repairing these days).
Go to your set up menu, navigate to speaker set up and check your sound levels to front, center, and rear channels. Adjust as needed to fit the room. My Sony has a test tone option which sends a signal (at levels selected) to each speaker to check sound level and if speaker is connected and in right place.
in the menu there should be some type of set up for this, it will most times show you on your screen a room with all the speakers in it and ask you to hit test then it will shoot a white noise type of sound around to each speaker and ask if you heard it, there are then adjustments you can make for the front, rear, and side sperkers independent of one another.
Sounds like a cooling fan is worn out. If the warranty has expired, remove the cover and there should be a cooling fan. Remove the fan. Try cleaning it out with a can of compressed air. If this does not work take the fan to best buy or circuit city and buy a replacement. I hopet his solves your problem!
The problem i had was when i would play my tv. I had it hooked from my dish to the sony then the tv. When i played a dvd,cd or the tuner it didn't make that noise. It seems my video/audio 2 channel was going bad. I disconnected my rca jacks and used the optical audio connection. The noise stopped and i got a better quality sound.
i have a koss KS4102 system also and mine does the same thing. its done it for almost 2 yrs now. ive taken it apart and noticed that the sound is coming from under the heat sink. im not an expert at home audio, but my best guess is its either the amplifier going out, or some kind of processor. but i do know from past experience that its probably going to be cheaper to buy a new receiver, rather than paying a pro to fix it, if it can be.