Lexicon pcm 60 problem

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thekid777

Well-known member
Joined
Aug 1, 2009
Messages
459
Location
France
Hi,my pcm 60 do not process the signal anymore but make a king of digital feedback,
what could be the problem?thanks!
 
It may be that the PRAM backup battery is weak or dead. Have you kept the unit OFF for a long time? I had a similar problem. If I leave the PCM60 on for a half hour or more it fixes the problem (as long as I turn it on every few days).

I may be selling mine as I don't use it anymore. Great on congas, bongos and toms.

Jim
 
I'm sorry, I know that the post is very old but
where is located the PRAM battery in the circuit?
I've a similar problem ( the unit  works but with  a strange sound,like a guitar larsen)....
Thanks
 
The battery is a coin sized silver disc mounted parallel to the board.  CR2036 I think?

Also search for the memory reset.  Involves powering up while pressing buttons.

Mike
 
thanks  sodderboy!
I don't know why but i can't find the battery...
Tomorrow i would post some photos
on the web i can't find the reset combination
Qualcuno la conosce?
 
same problem !! :mad: :mad: :mad: please help  ;D ;D  i've schematics and already changed :
RAM, PCM53, DG211, SD5000, LM311, LF353  & NE5532, CMU & MMU
 
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