Question about Marantz Audio Players & Recorders
SOURCE: marantz SR 7200
Most often it is due to improper speaker loading. In other words,
it needs to have from 4 to 8 ohms speaker load and you wired your
speakers in parallel when they should have been wired in series.
What would have been an 8 ohm speaker load in series, turns into a 2
ohm load when in parallel. And with dual voice coil speakers you
just compound the problem. And don't even get me started on
Anyway that is what usually causes an amp to fry. Good luck.
Posted on Nov 11, 2008
SOURCE: NO POWER - MARANTZ SR-5000
you mite not have to reset it, try checking ur fuses, it could of triped the cicrut when the power went out, normaly thats what happens unless it was a direct contact then, u mite wanna go get a nother receiver, and what i mean by direct contact, i mean like directly pluged into the wall
hope that helps
Posted on Feb 13, 2009
SOURCE: Marantz SR 7200
It is likely that the PA stage has developed an offset voltage in the output stage. The faulty amplifier channel can be found by progressively disconnecting the collectors of the of the power transistors until the protection fault disappears. Once the faulty channel is found the the cause of the offset has to be traced to the faulty transistor or resistor. Don't forget that if you can smell smoke or burning then there are likely to be components(esp transistors) that have been damaged by the fault.
I had a Luxman unit that destroyed 5 transistors in the output stage that was due to an open .5W resistor in the driver stage.
Posted on Mar 29, 2009
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