[AC Input] ---> [F1 / NTC1 Failure] (Dead Board, No Power) | v [Bulk Cap C1] -> [ESR Degradation] (Voltage Ripple / Unstable Booting) | v [Primary Switch Q1] -> [Short Circuit] (Blown Fuse Immediately) | v [Optocoupler U2] ----> [Feedback Failure] (Voltage Drift / Overvoltage Protection Trip)
For the 101v0, these repacks have become a lifeline. If a resistor blows up and the color bands are burned off, the community repack tells you exactly what to solder in.
Before desoldering anything, take high-resolution photos. Compare with your to verify component placement. wannien 101v0 power supply schematic repack
| | Noted Model / Identifier | Key Component Markings | Community Source | | :--- | :--- | :--- | :--- | | ASUS Laptop Power Supply | ASUS EXA1202YH (19V Adapter) | Board Code: ADA19470YB10 341194700A14 REV: A | EletrônicaBR Forum | | Lenovo PC Power Supply | LITEON PS-5241-01VA-ROHS (For Lenovo M Series) | Board Marking: WANNIEN 101VO (94VO) E88653 | Badcaps.net Forum | | UPS (Uninterruptible Power Supply) | LYONN DESIRE-500 | Direct Board Marking: WAN NIEN 101V0 | ElectronicaAR Forum | | PS2 Slim Power Supply | Sony PlayStation 2 SCPH-70100 | Board Marking: WAN NIEN 101V0 (94V) ; Chassis: HIPRO SY-AT048H03 REV X05 | PLCForum.it | | Laptop Power Supply | Delta 101v0 | Board Marking: Wannen Delta 101v0 (94v0) | ROM.by Forum |
A "repack" in the context of electronics schematics typically means a set of technical documents that has been cleaned up, annotated, or bundled with additional repair data to make it more useful for technicians than a raw, blurry scan. [AC Input] ---> [F1 / NTC1 Failure] (Dead
| File | Description | |------|-------------| | Wannien_101V0_schematic.pdf | Redrawn schematic (A3 size, readable) | | Wannien_101V0_BOM.csv | Component list with values | | Wannien_101V0_notes.md | Repair tips, test voltages, failure analysis | | original_traces.jpg | Scanned PCB bottom layer (reference) | | LTspice_simulation.asc | Optional simulation file for primary side |
The next time you come across a dead ASUS laptop charger or a non-booting UPS labeled with a “Wannien 101v0” board, don’t throw it away. The repacked information is out there; you just need to know where to look. As the repair industry continues to battle against planned obsolescence, documentation styles like the “101v0 repack” may very well become the future standard for electronics repair. Compare with your to verify component placement
Biasing resistors that set the threshold voltage for switching states. Step-by-Step Diagnostic and Repair Protocol
PCB/Layout Notes