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Hi MJ, If you run your B speakers you will drop your 2 surrounds as the B speakers are meant to be used in a different room. I would suggest that you give us a call so that we can try some troubleshooting, please call our Product Support Team at 800-229-1687, Thanks, JT
There may be a subwoofer mute function on your amp. The sub out is nothing more than a preamp output with a low frequency response. It is meant to be amplified by an external amp. Either check your powered subwoofer for operation or look through your operators manual for a sub mute function.
Your problem is a common symptom of loose connection or cold solder and cleaning problem this is the main caused of no sound or automatic shut off for how many seconds..Cold solder issues - each component is soldered into small holes on the printed circuit board which in turn connects said component to the other components. Due to time, heat, use, some solder joints would be cracked or loose. It is possible that the cold solder is still minimally connected (hanging by a thread). When the receiver turns on heat would be generated which would be sufficient to further loosen up the solder joint to the point it no longer provides electrical contact. Jarring the unit creates movement inside enough to re establish the contact, sometime good enough sometimes not enough. Again, since the unit still operates (sometimes) then it is highly probable that there are no defective components. As you have surmised, it is possibly a loose connection, solder joints are "connections" except that molten soldering lead is used to attach/connect the component to the board, "loose connection" in this sense is equal to "cold solder". Again on the assumption of no defective parts, then seeking a more experienced buddy for the soldering might be to your advantage. This is of course in addition to the possible electrical hazards when repairing.... Good luck:
It is a relay clicking. You will need to obtain a schematic to troubleshoot this but they are available online. The protection circuits have been degraded from the short circuit but it is still alive and the discrete components are easy to replace. I used to use Sam's Fotofax but googling your HK model will get you alot of results. Harmon Kardon is a great brand and definitely worth fixing. ~Steve Medley
Yes, switch to the video input that you are trying to configure (i.e. video 1-4). Press the menu button on the receiver or the remote and cycle to video settings. There should be a setting that says "video output" or "output" - set that to component. You may also have to configure the Input for that particular setting. For instance, if you have an HD tivo going into component 2 but you want it to be Video 1. Select Video 1, hit the menu button and scroll to video setup. Select video input setup and cycle it to component 2. Next, use the menu to cycle to video setup, select video output, switch to component. This should solve your problem. As a sidenote, you may also have to configure the audio in/out if you're using digital coax or optical. Let me know if this works.
I don't have this particular reciever, but I think the dubbing feature mentioned can be turned off. If that can't be done I suggest moving the components in video and audio 2 to the 3rd available one, it shouldn't have that feature. That's all I can offer.
there might be a protector circuit and then it needs only a reset
the amplifier and a couple of diodes have been shorted
the fix can be very cheap (reset) or very expensive (depends if the amp itself is burned)
in any way you got warranty!!
(it wont work if you will say that you didnt hook it right....)