Wannien 101v0 Power Supply Schematic «BEST • 2026»

Inside: a landscape of scorched copper traces, four swollen electrolytic capacitors (their tops bulging like tiny volcanoes), a cracked TO-220 transistor (label: ), and a resistor so blackened it looked like a piece of charcoal. A puzzle with missing pieces.

Within a month, three other repairs were done in Manila, Mexico City, and rural Kentucky. All because a girl in Saigon learned that a schematic isn’t a treasure map—it’s a conversation across time, signed in solder and stubborn love. Wannien 101v0 Power Supply Schematic

And the radio was silent.

She took a photo of her cardboard schematic and posted it in that old Reddit thread. Subject line: Inside: a landscape of scorched copper traces, four

She’d searched. Oh, how she’d searched. The model was obscure—a short-lived Taiwanese clone of a Japanese linear supply from the late ‘80s. Wannien Electric Co. had gone bankrupt in 1994. No PDFs. No forum archives. No grainy scan on a Russian electronics site. Just dead links and a single Reddit post: “Anyone got the 101v0 diagram? Mine went pop. Help?” No replies. All because a girl in Saigon learned that