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Old 27th April 2005, 04:55 AM   #1
geddam is offline geddam  New Zealand
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Default Marantz Pm-66SE

Can anyone help me out with a problem I'm having with my PM-66SE. The input fuse to the transformer keeps blowing. Each time I replace the fuse, the amp will work fine for a day or two before blowing again. Usually when I turn the unit on. Any Ideas?
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Old 27th April 2005, 11:58 AM   #2
jaycee is offline jaycee  United Kingdom
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If the transformer is a toroid, look for an inrush limiting circuit. Check if it works.

Also check the main psu capacitors haven't gone faulty and are drawing excess current.
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Old 28th April 2005, 03:15 AM   #3
anatech is offline anatech  Canada
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Hi geddam,
Is it possible you put a fast blow fuse in where there was a slow blow fuse? That would do what you are seeing.

-Chris
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