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Unsolder red lead from video driver circuit card, solder onto the third post on the left of the voltage dropper.
Sudomod wiki has many more models of these little TFT screens and how to modify for running on 5 volts.
http://www.sudomod.com/wiki/index.php?title=GBZ_Screen
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Ignore the burn marks on the heat shrink, I over heated it a little...
Immediate tests show it works fine with a 5 volt input from my desktop power supply. Pulls about a third of an amp by itself.
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