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LCD0821 Stopped working
Posted: Mon Apr 14, 2003 7:21 pm
by naljta
I accidently applied 13V to the LCD and now it appears to have quit working. I don't even get a blinking cursor. How do I determine which component I fried. I assume is the uP, but how would I make sure?
Thanks,
Nevin
Posted: Tue Apr 15, 2003 7:44 am
by Miles
Hello...
In most cases when over-voltage is applied there is usually numerous components that fail. On the LCD0821 there is a good chance that the display driver, uP, 7660, and other discrete components may of been damaged. The cost of troubleshooting/repair outweighs replacement.