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EDP noise help (unsoldering)
Hi all
right, ive gone and been a silly chimp,
I bought a second edp l( blackfaced echoplex)last month, but have been so
so
busy ive only just got to the pluggin in stage and.............. aaaarh
noise!!!
hummming noisey noise....
the humming actually starts as soon as the mains cord is plugged in and is
raised to crazy levels as soon as i power on.
the screen displays correctly and all seems in order under the hood,and
ive
tried all the normal fixes. ive got another white face echoplex and have
had
a noise problem before, and last time i reseated the rams, roms and the
lil
square chips and that solved it.........went to do that this time and
HORROR!!!!!! someones gone and put metal covers over the square
chips......so questions
1.Any idead on the noise cause?
2. If its what i think it is how do i get those damn covers off?
3. Why cover the chips?
thanks for any and all input on this, i knowwe go round in circles on this
subject and i thought i was ok solving my own probs, bt this has me really
bummed out , ve not een used it yet
Phill Wilson
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