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Re: turns off when i turn it up
Does it power back up after it shuts down, if it does power back up it is unlikely it is an internal fuse, you would need to replace the fuse if that was the issue, could be an amplifier overload, check the demand your speakers require in watts, and be sure the right ohm speakers are being used, many receiver will display "overload protection"and shut down, and some just un-power to prevent a electical short from occuring.
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Fuses blow due to an overload. What has happened in you case is one or more of the output devices (found on the big heat sink) has shorted and acting like it was a piece of wire. Now you have to find out which. By the way it might have gone due to bad speaker wires or speakers, or speaker wires touching each other.
If it does not light up at all it is probably the power fuse right on the AC line. If it lights up with no sound it is probably a speaker protection fuse or breaker. Unlike some older equipment the fuse is not accessible without opening up the unit.
It sounds like protect circuit is kicking in due to excessive current. If an OHM meter is handy, check for shorts on your speakers. If not disconnect one speaker at a time from the back of the reciever. Play unit at the volume that it fails. If it then plays fine you've isolated the bad speaker.
assuming that it is only the display.easy repir of capacitors or zener that provides -28 filament voltage to the display tube directly.obviously, if you can turn on the unit and blindly switch inputs to get to hear fm or and audio then we are on track.
If your AV receiver does not have a "Phone Input" you need to purchase a Pre-amp, then it can be connected to any input available. If you "Google" "Phono Pre-amp" under "Shopping" they range 25$ and up. Hope this helps. If you need any further help, post a comment and I can help you further.
It's drawing too much power. Maybe a short in an amp. Do you have any warranty left? Double check to make sure you have the right fuse. You might also try a slow blow fuse so you can turn it off right away as soon as the fuse starts to glow to help in diagnosing.