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Author Topic: Elmo GS 1200 P COM problem
Alessandro Pavoni
Master Film Handler

Posts: 255
From: Zürich/Switzerland
Registered: Sep 2009


 - posted January 29, 2019 04:39 AM      Profile for Alessandro Pavoni   Email Alessandro Pavoni   Send New Private Message       Edit/Delete Post 
 -

where can I buy two of these?
A friend is fixing my Elmo GS 1200 P COM, they are LED drivers. (led bar meters)
We are always looking for schematics for the microcomputer, unfortunately is defective, no more sound recording is possible.
Thanks for your help

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Winbert Hutahaean
Film God

Posts: 5468
From: Nouméa, New Caledonia
Registered: Jun 2003


 - posted January 29, 2019 04:46 AM      Profile for Winbert Hutahaean   Email Winbert Hutahaean   Send New Private Message       Edit/Delete Post 
There are 5600 stocks for IRE2E07 here:

https://www.digchip.com/datasheets/quote.php?action=search&pn=IR2E07

Good luck!

--------------------
Winbert

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Phil Murat
Jedi Master Film Handler

Posts: 671
From: Villeneuve St Georges, France
Registered: Dec 2015


 - posted January 30, 2019 12:56 PM      Profile for Phil Murat   Email Phil Murat   Send New Private Message       Edit/Delete Post 
Hello Alessandro,

Have a look there :

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.vintageshifi.com/repertoire-pdf/pdf/telecharge.php%3Fpdf%3DOnkyo-TA-2055-Service-Manual.pdf&ved=2ahUKEwjut_TT5JXgAh USEBQKHVKmD1kQFjAAegQIARAB&usg=AOvVaw3NHLerIIMJ8Er6nU5kw8u7

You will find p 17/18 a schematic :

Check Q328 block which is how IR2E07 is wired. It is possible this IC needs a little soft to be load.
If no spare available , it is necessary to re-engineer vu Meter Driving with more common IC's like LM3915 or LM3914

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Alessandro Pavoni
Master Film Handler

Posts: 255
From: Zürich/Switzerland
Registered: Sep 2009


 - posted March 18, 2019 05:24 AM      Profile for Alessandro Pavoni   Email Alessandro Pavoni   Send New Private Message       Edit/Delete Post 
the digchip did not respond to my request, I am always looking for this IRE2E07

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