Question about Harman Kardon AVR 235 Receiver
Stereo plays radio and dvd player fine but I have a 12 year old Sony cd player connected to the stereo and after about 20 seconds of play, the stereo goes into protect mode.Can I assume the cd player is overloading the system or does the cd player have a short or something? Thanks
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Posted on Jan 02, 2017
I'm not sure if this solution is still necessary however:
I own a H/K AVR300 and have a PS3 hooked up via HDMI to the TV and Optical TOSLink to the receiver. I have no troubles selecting between DD 5.1 and DTS 5.1. I can even select trueHD whatever format but I can't detect an audible difference, I think that mode might be downgraded back to regular DD5.1...
Hope this helps...
Posted on Jun 10, 2008
The dvd player is responsible for reading the surround sound track, and sending it to the receiver. First make sure you are playing the surround sound track on the dvd, many have a stereo track too. Next, try another dvd and see if you can play surround sound on that one. If you can't play surround on ANY dvd I would start looking at the audio connection from dvd to receiver. Are you using an optical cable? Red, white, and yellow RCA cables? Optical will transmit any sound over only one cable, RCA cables need one cable for each channel (LF, C, RF, LR, RR, sub.) If your connections are correct, is the receiver set to play a surround sound track? Is it set in 2 channel mode?
Posted on Dec 30, 2008
SOURCE: humming noise
Usually Humming noises come from frequency interferance. In this case it is being caused by your input sources. A smiply solution is to replace the cables and or seperate the source cables away from any electircal cords or sources.
Posted on Jan 07, 2009
Yes, there is something you can try, to know where to look for the problem if this happens again. If the receiver is still under warranty, just send it back, otherwise, open up the amp and trace the path back from the speaker channel to the capacitors on each channel, this is usually the problem(you should be able to see if it is blown, cheap to repair).
If all the channels went out at the same time, there is something wrong with the central unit, to repair that, if it is not the above problem, cost expensive.
Hope this can help you.
Posted on Nov 09, 2009
SOURCE: Harmon Kardon AVR 235 no sound
Ensure that your speakers are connected to the terminals that you have your speaker selector switch turned to.
Then check that you have your device, whether it be a CD or DVD player, or turntable, plugged into the correct input and that you also have the correct input selected on the receiver.
Posted on Dec 30, 2009
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