Question about Yamaha HTR-5730 Receiver
Yeahh, My receiver that Ive recently gotten from a friend doesn't work right. A few seconds after pressing the power button it says POWER OFF on the display, I checked the fuses hoping id see a power trip or something but none of them are blown.. Help?
SOURCE: receiver shutdown
There is whats called a protection circuit inside this receiver. This is what is supose to happen when the receiver detects a short in one or both of the output stages of the amp. Unless you have a service manual or have the know how to work on solid state receivers, my best advice is to take the unit into an authorized Yamaha repair depot and have them take a look at it, as they can hook up the receiver to a set of load resistors and run the amp to max capacity and see when the amp section of this receiver starts to clip and that will give them an idea of where your problem is. I'm afraid there is no fix that an end user of this receiver can do. Good Luck
Posted on Jun 07, 2007
SOURCE: Immediate shut
Unplug all the speaker wires first, then unplug the unit from the wall for at least 24 hours, The plug back in without the speaker wires or anything else plugged in. Then see if it goes to the protection mode. If it does not, plug in each speaker at a time, and see if any speaker, when hooked up, makes the receiver shut down. If it does shut down, My friend, I'm afraid you will need to take this unit into a repair shop, OR get a new unit. Good Luck
Posted on Jun 06, 2007
The problem might be caused by two major circumstances. 1)Touching wires 2)Overheating. I suggest you unplug all wires connected to the amp then turn on the amp. If it gets turned on then we know that the problem is that you have touching wires. If there is a short circuit somewhere, get rid of it. The ventilation is another important issue that you have to pay attention. It simply causes overheating.
Posted on Jun 07, 2007
Most often it will require an output IC, but I have seen it be a bad ground or a transistor in the protect circuit.
Posted on Oct 16, 2009
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