Have you checked/changed the fuse in the mains plug?
SOURCE: someone push a button on
perhas the mute button ? it is a whild guess but with this option there is no sound at all
SOURCE: ipod to harman/kardon
Using a headphone to RCA adaptor plug the headphone jack into the headphone connector of the Ipod. Then plug the RCA jacks into any available Analogue input on the receiver. Increase the volume on the Ipod to 80% then adjust the receiver's volume according.
Or get a dock that will allow remote control and charging, such as Roth, DLO or Wadia.
SOURCE: I have a harman kardon avr 745....looks frozen
Did you happen to come up with a solution. I have the same problem, 100% as you have described it.
SOURCE: harman/kardon avr 110, cuts off
Generally speaking, an amp protects itself from heat, shorts and overloads. Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up. You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it. If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good. If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.
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