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Originally Posted by dcb
Well, you should be able to stumble on a contrast that works, like wyatt mentioned. Just hit left+right then in the setup screen hit middle till you can read it good.
Then feel your way over to the OK "button". If you go all the to the left character, then quickly but carefully hit the left button twice you should be there. quickly as in press and release the button quickly, but wait a 1/2 second before the second press.
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Ok, I was aiming for ONE left of the left character. I'll do better in a few minutes.
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Test continuity between all points. Except for LCD 1,5,16 they should be about 10k or more apart. Send a pic of your ohmeter if you like.
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I don't know what I was thinking in my last edit. Of COURSE it isn't okay that every pin is showing some continuity with ground. Even the power wire is doing it. I think I've melted the circuits inside the LCD with too much soldering.
If it is giving me calculations and running through the setup screens, does that pretty much indicate that everything is sound except my LCD? Is there an LCD out there that is going to be easier to install for a hamhanded solderer like me?