8mm Forum: Elmo GS 1200 P COM problem

This is topic Elmo GS 1200 P COM problem in forum 8mm Forum at 8mm Forum.

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Posted by Alessandro Pavoni (Member # 1739) on January 29, 2019, 04:39 AM:

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

Posted by Winbert Hutahaean (Member # 58) on January 29, 2019, 04:46 AM:

There are 5600 stocks for IRE2E07 here:

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

Good luck!

Posted by Phil Murat (Member # 5148) on January 30, 2019, 12:56 PM:

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

Posted by Alessandro Pavoni (Member # 1739) on March 18, 2019, 05:24 AM:

the digchip did not respond to my request, I am always looking for this IRE2E07

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