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hantronix LCD display contrast problems

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Mercury821

Post subject: hantronix LCD display contrast problems

Posted: Wed Apr 09, 2003 1:15

Hi,

I'm trying to power up a Hantronix 128x128 graphical module, and wehn I apply negative voltage for the contrast, the display goes dark, then gradually starts fading from one side to the other, until it is clear again, even when the input voltage hasn't changed. Any ideas what could be causing that? Thanks.

-Greg

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Henri

Post subject:

Posted: Thu Apr 10, 2003 8:50

Joined: Sun May 05, 2002 22:05
Posts: 2063
Location: Lappeenranta, Finland

I think I've heard of something similar before but unfortunately can't remember anything more. It might have been in this forum or at LiQuiD-MP3 forum but as you probably understand I don't have time to look though all the threads.

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