I disconected all speakers from reciver and it still go to protection mode and I can not manipulate it with the remote control?
What are my options? If I need to have it fixed what is the expected cost for this 4 year old unit? How can I find out if it is still under warrenty if I cant find the paper work (I know we bought extended warrenty)?
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Harman Kardon Master
Re: No audio sound, Reciver going to protection mode
If you bought the extended warranty, you need to go where you purchased it and they can look it up on their computer system. If it's out of warranty, the repair cost is debatable. Between 125-175 average. 50% of the cost.
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THE GOAL HEAR IS TO DETERMINE IF THE INSTALLATION IS CAUSING YOUR PROTECTION FAULT OR IS IT THE RECEIVER ITSELF HAVING INTERNAL DAMAGE. REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL GOES INTO PROTECTION, THEN THE RECEIVER WILL NEED TO BE SERVICED, AS YOU HAVE TOTALLY SIMULATED A BENCHED CONDITION THAT IS TOTALLY INDEPENDENT OF YOUR INSTALLATION. MOST TIMES, THE RECEIVE WILL GO INTO PROTECTION WHEN IT SEES AN EXCESSIVE LOAD WHEN TURNING UP THE VOLUME, WHICH IS USUALLY CAUSED BY TOO MANY SPEAKERS OR DAMAGED SPEAKERS, BUT IF NO SPEAKERS CONNECTED, THEN IT IS USUALLY BECAUSE THE RECEIVER SEE AN EXCESSIVE LOAD DUE TO ITS OUTPUT SECTION BEING DAMAGED. IN ANY CASE, ONCE REPAIRED, YOU MUST CHECK YOUR SPEAKERS FOR BURNED VOICE-COILS, WHICH WILL IMPOSE AN EXCESSIVE LOAD TO THE AMPLIFIER AND CAN CAUSE IT TO FAIL AGAIN. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V
It is unlikely that the pushing of buttons caused the problem. The protect flashing means that a problem was detected and the system has shutdown to prevent further damage. The most common cause of this is a failure of the output transistors. Plan on a parts cost between $20-$40 for this repair.
Suzie, your reciver is going into a protection mode. There is a problem with one of your speakers, the wiring, or +with the reciver itself. If you know how to use a multimeter, then you can test the resistance of the speaker, as if one speaker was partally shorted this problem would occor. If you have another set of speakers, try them. If not then you will need to have the reciver bench checked for a fault.
You must check with the instalation gude for the wireless speaker to see if the connection to the reciver is a high impedence or low impedence... If its like most wireless set-ups its going to be a high impedence output from the reciver to the transmitter part of the speakers. That would be from the RCA jacks in the back of the reciver maked line out or tape out. If you want to use them for a specific speaker output , some recivers have an output jack that would be labeled center sperker out but would be an RCA type jack ect ect. If your reciver dosent have that you can in a higher end audio store get an adaptor to convert the speaker output to a high impedence, But I dont recomend that as some of the adaptors do cause excessive strain on the output section of the amp or reciver.. If you buy a good one though you should be fine.. You get what you pay for.. Good Luck