DIYbanter - pioneer 5700s cuts out

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Just picked up an older pioneer vsx5700s. It sounds fine and seems to
work but from time to time the receiver makes a click and the sound
shuts off. The display on the front of the amp still moves along with
the music but no sound comes out. This happens on all channels. I'm
currently running a single large fisher speaker and playing music off
an Ipod. Any thoughts?

Sounds as though the protect relay that is in series with the speaker socket
feeds is dropping out. This could be for many reasons, but the commonest are
bad joints in the output stages, or there's something about the speaker that
you currently have glued on the end of it, that it doesn't like, such as too
low impedance.

First move, if you're happy that the speaker is appropriate, wired without
whiskers, and is not otherwise faulty, is probably to whizz the lid off, and
have a good tap around with the butt end of a screwdriver to see if you can
provoke it at will. If you can, then you can narrow the search by switching
to something lighter and plastic, such as a ball point pen.

Arfa