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Sony K602 Receiver Displays Protect when volume is turned beyond 26; then it shuts down the volume. Sony K602 Receiver Displays Protect when volume is turned beyond 26; then it shuts down the volume.
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Check the speaker connection. One of them has a shortcircuit. Try to disconect all of them and power on the device. See what is happen. If starts corectly check the speaker cable. Conect one by one and power up the receiver after each connection. When you get the error again check the last conected cable. These receivers have a protection system against shortcircuits. That is puting your device in that error.
These digital amps are very prone to blow if the speaker wires are shorted so Sony appear to have put in a protection system that mutes the amp when this happens. You have to unplug the amp for a minute till the light goes off, make sure no speaker wires are touching each other and then it should work ok. I found the same problem with one I bought 2nd hand.
speaker protection turned on.it can be happend because of bad power amlifire section.can you remoove the powe ramp board with large heatsink.its very easy to repair.and i can help.
nuwan
Power protect tends to mean the main power amp chip has "blown" and needs to be replaced.
It only costs about 20 dollars (10GBP).
If you are handy with a soldering iron it is easy to do (after you get the thing to bits !)
It is the big black thing on the big heatsink inside.
The Sony part number is STK442 - 130.
Seems a waste to throw the whole thing away for the sake of 10 pounds !.
Hope this helps. Nik Howell ([email protected])
Sony K602 Receiver Displays Protect when volume is turned beyond 26; then it shuts down the volume.
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