Question about Audio Players & Recorders
Hello, immediately after powering up the receiver, the sound is being cut off for a short time, then comes again, is being cut off again, and so on for several times, accompanied by a soft rumbling noise, and after a while everything is fine for a quarter of an hour with normal sound quality, but then the procedure starts again. The sound level is rather low and the reception quality is pefect all the time. Any hints what to do? I am not an electrical engineer but able to change parts if informed in a reasonable way. Please help, thanks so much, Lisa
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Power Button Flashing Red
If your amp looks like it's going to work as normal (ie the front display lights up as it should etc), but then the amp goes into protection mode when the anti-thud circuit times out, then I know what's likely to be wrong.
It's one of the power amplifier channels which has gone faulty.
I just found this out after having this problem with my AVR-1906.
I took the amp apart and de-soldered the suspected channel power transistors (centre channel in my case).....and hey-presto! it fired up as normal (obviously the centre channel would be out of service).
I have ordered the replacement transistors from Farnell (UK) at a miserly cost of around £2-£3 each.
Just waiting for them to arrive.
An alternative is, if you don't use all your channels, take the transistors from a known working but not needed channel and swap them over with the duff ones.
Hope thats of use!
Posted on Aug 16, 2008
SOURCE: Statics and hissing...
I also have the same fault, The static noise is coming out
of ic720 [ cs4391 or cs4392 ]on digi pcb which is D-A converter
this ic maybe faulty, i have ordered a replacement ic and will
post here if solves problem
Posted on Oct 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
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