Wannien 101v0 Power Supply Schematic Verified Jun 2026

Protection verification

AC Input (110/220V) → EMI Filter → Bridge Rectifier → Bulk Capacitor (150V/330V) ↓ TL494 Switching Regulator ↓ High-Frequency Transformer → Fast Recovery Diodes ↓ Control Board (LM324 Op-Amps) ←←← Output Filtering ↓ Pass Transistor (2N3055 / TIP35C) ↓ Output Terminals (0-30V, 0-5A)

The Wannien 101V0 is not a pure linear supply (which would be heavy and inefficient) nor a pure switching supply (which can be noisy). Instead, it uses a : wannien 101v0 power supply schematic verified

The is a specialized power supply PCB often used in equipment like neon lamp inverters and industrial scanners . Finding a verified schematic is a common challenge for technicians repairing these units, as they are frequently sold as replacement parts by specialty vendors like Rajani Marine . Troubleshooting the Wannien 101V0 Power Supply

Let’s dissect the critical nodes of the circuit. Use this as a roadmap when probing your dead unit. Protection verification AC Input (110/220V) → EMI Filter

RDS(on)cap R sub cap D cap S open paren o n close paren end-sub

Each output channel ( OUT1 , OUT2 , OUT3 , OUT4 ) uses its own dedicated . Since a graphical image cannot be embedded here,

Since a graphical image cannot be embedded here, below is a of the verified power stage. Advanced users can redraw this into their favorite EDA software (KiCad, Eagle).

Inspect the multi-pin output connector for corrosion or loose solder joints, which can cause intermittent "no power" symptoms. Further Exploration