The 101V0 schematic features a robust design optimized for regulating DC voltage and controlling multiple power outputs:
The transformer is the isolation barrier.
While many guessed it used a UC3842, the exclusive schematic reveals a (identical to TL494). This is a pulse-width modulation controller running in push-pull mode.
), these boards are widely available on the secondary market via retailers like and specialized industrial parts suppliers like Paragon Technologies of this board or look for compatible replacement Wan Nien 101V0 Power Supply Schematic - Expert Q&A
Typically a large 400V or 450V capacitor. Warning: This can hold a lethal charge even after power is disconnected. 2. Control & Regulation Section