Wannien 101v0 Power Supply Schematic Verified

Measure across to ensure you have a clean ~310V DC bus (on 230V AC mains). Measure the VCCcap V sub cap C cap C end-sub

It has been identified as the heart of:

Replace fuse after validating no dead shorts; replace bad caps. Failed Filter Capacitors Electrolytic output capacitors wannien 101v0 power supply schematic verified

What are the printed on the PCB silk screen? Share public link

The schematic details ( out1 - out4 ).

Then, at 2:17 AM, a tiny Discord server for e-waste hobbyists pinged.

The second op-amp compares the voltage drop across a low-resistance shunt resistor against the current potentiometer setting. Measure across to ensure you have a clean

Transfers energy magnetically across an isolation barrier from the high-voltage primary side to the low-voltage secondary side. 4. Secondary Output, Rectification, and Feedback Stage

Continuity should read close to 0 ohms. An open reading means it is blown. Share public link The schematic details ( out1 - out4 )

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Use the schematic to identify the transistors in the switch circuits and test them for shorts or open circuits. Conclusion