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re: Dead LED: Marantz PMD222

Subject: re: Dead LED: Marantz PMD222
From: Dan Dugan <>
Date: Fri, 17 Oct 2003 16:44:38 -0700
Greg Winterflood, you wrote:

>Thanks Dan.  I hope it is a dry joint. Easier fix.  Thanks also for
>your advice on using the side mike jack rather than the XLR jack to
>get around the XLR pre-amp.

That was Adam's contribution. They satisfied a marketing need for an
XLR but they didn't engineer a pro mic preamp--it's a hack job.

>In fact the noise I was complaining of
>was ambient noise and I'm learning to get around that by taking
>Walt's advice and finding the quiet spots.
>
>I'm also finding that using Adobe Audition 1 can get rid of a lot of
>the unwanted stuff by using the noise reduction feature; but I am
>yet to learn how to make the resulting sounds "sound" more natural.
>I guess that will come with time.

Noise reduction processing is usually disappointing the morning
after. I recommend learning to use high and low pass filters first to
help pick out the subject from the noise.

>My real concern is that I might mess things up by opening the front
>panel of the PMD222 without a map.  Maybe Adam can help here.

It's pretty obvious. Pull off the knobs, remove the four screws at
the ends, and wiggle it off gently. I'm remembering a Marantz that
has that LED on a little circuit board on the front panel; One screw
detaches it from the back of the panel. The wires that connect the
front panel LED board to the other circuitry are your prime suspect
circuit. The wires may be unplugged, or one of the connectors not
assembled reliably.

-Dan Dugan


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