http://www.cnczone.ru/forums/ http://forum.rcdesign.ru/f110/ www.purelogic.ru ДШ на TB6560HQ/FG 1. How to Turn on the Power Turn on VDD. When the voltage has stabilized, turn on VMA/B. In addition, set the Control Input pins to Low when inputting the power. (All the Control Input pins are pulled down internally.)