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Re: OVERLOAD Message followed by receiver shutting down.
The First step in this would be to Check the Ohms Limit in the Manual and Compair to the Ohms on the Speakers that you are running and the Ones that came with it. Usually when you By the "Kit" the Speakers are Factory Matched with the Reciever. Let me Know!
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If you are running at high volume for even a short period of time, the overload signal to the microprocessor(computer within your unit) will cause the unit to shut down. If you are running it that loud, try turning the level to 1/3 of your normal listening mode. If it runs, try to keep the volume with reason.
the only thing I can think of that would shut your system down is the heat shield is telling it to shut down. If your system is inclosed in a cabinet of sorts the heat coming from your reciever will overload the heat shield and shut itself down as a safety precausion to the system.
Check if you receive the error when playing any DVD in particular.
What happens when you take out the DVD and try playing it again? Does it play
This protector error denotes several possible problems. Heat, volume level and incorrect DVD settings may be the cause of the problem. The following steps will help you correct your problem and rid your amp of its "Protector" error.
Examine your volume setting to be certain that your volume knob is not at maximum. Having your volume cranked too high can cause the capacitors to overheat, shutting down the receiver.
Unplug your receiver and disconnect your speakers from the terminals on the back. This will allow you to determine if the error is internal. Plug your receiver back in and look for the same error message. If you continue to get the protector error without having your speakers connected, you may have an internal electrical problem. In this case, contact Sony about finding a repair center.
Reconnect your speakers one at a time. The order of connection doesn't matter. When reconnecting, be sure that you do not have your positive and negative speaker wires crossed in any way. After each connection, test your amp by running it with a source. Give each speaker a few minutes of power before connecting the next one. This will help you isolate which speaker terminal is causing the error. When the protector error returns, take note of which speaker connection caused it. Check this speaker wire for shorts or torn shielding.
Examine your ohm rating of your speakers if you have no shorts or wiring issues. Sony receivers are not compatible with speakers lower than 4 ohms. Connecting a lower ohm-rated speaker will cause an error.
Turn off the surround sound option if you have both your A and B position speakers in use.
Keep your receiver well ventilated. Overheating due to poor ventilation can also cause Protector errors.
Examine the sampling frequency of your connected DVD player. If the error only occurs when you watch a DVD, the sampling frequency of the DVD player may be set too high. Check the sampling rating in your receiver's manual and in the DVD player
Why did you replace the fuse - did it burn out or opened? It's probably shutting down because it's detecting an overload. Inspect the circuit board for any shorts. I recommend having a repair shop isolating the problem. If it does blow fuses, then there is definitely a shorted transistor on the final amplifier output stage. Otherwise, if a fuse is shorted you don't need to replace it because it's suppose to be shorted.
Sounds like system overload, Your stereo system has a protect on the amp to keep it from overload, so if it is shutting off you may need to unhook all your speakers, check all of you positive and neg wires and make sure all reds and blacks go to the right spot. Try lowering the bass and check to see if a certain speaker is the cause you may have two wires crossed. This is normal for some newer amps, They used to put fuses in these amps now it has a protector built in to make sure you don't blow out your channels. You may have a blown speaker in the mix that is causing this also you can try using crossovers on all your speakers.
try to clean the vol. control with some elctronics parts cleaner, it comes in an aresol and you spray it into the pot, the crackling is dust or dirt in the potentiometer<pot> this is a common problem on older machines that havent been used in a while or live in a dirty enviorment.
Take every single cable out of the unit, now power on the unit.
If the power protection still shows then there is an internal fault, usually a short or a component defect.
If it powers on ok, switch off and insert 1 speaker at a time and power on the unit until the protection mode comes on again, the last speaker you have put in has overloaded it for some reason, also as you are trying each speaker use the volume and bass controls to see if there is an internal overload.
Thats as much as I can offer you until you narrow the fault down to the unit or one of the speakers.