A board marked or Wannien 101V0 does not belong to a single final product. Instead, it is an OEM platform used by different brands to build various AC‑DC converters. The board often appears in low‑ to medium‑power applications such as laptop power adapters, UPS systems, game console power supplies, and similar devices.
: Exact matches for the physical board layout can often be traced via Wannien Power Boards on eBay, where old-stock pulls are listed by industrial salvage vendors.
| Component / Location | Recorded Value / Data | Device / Context | Source | | :--- | :--- | :--- | :--- | | R13 (SMD) | (Code 01C ) | UPS LYONN DESIRE-500 | Confirmed by comparing with a working UPS | | R89 & R80 | 0.1Ω , 3W | UPS LYONN DESIRE-500 | Used for current sensing | | C1 (Primary) | 120μF / 450V | Generic Wannien/Delta 101v0 | Note: Not original but functional in repair | | C2 , C3 | Unknown (to be checked) | Generic Wannien/Delta 101v0 | Suspected faulty and recommended for replacement | | D2 , D3 (MUR460) | Short circuit (≈1Ω) | Generic Wannien/Delta 101v0 | Common point of failure in primary section | | Fuse (F1) | T3.15A, 250V | ASUS EXA1202YH | Input protection fuse | | X2 Capacitor | 0.33μF | ASUS EXA1202YH | EMI/RFI suppression capacitor | | Main Bulk Capacitor | ~280V DC (on 220V AC mains) | ASUS EXA1202YH after repair | Voltage after primary-side repair | | +19V Output | 0V (initially) | ASUS EXA1202YH | Indicated secondary-side fault | wannien 101v0 power supply schematic exclusive
This confirms that the Wannien 101v0 is a versatile power supply board used by different manufacturers. Finding a single schematic is less about searching for a specific file and more about understanding the engineering intent behind the board.
Wannien 101V0 Power Supply Schematic: Exclusive Troubleshooting Guide A board marked or Wannien 101V0 does not
In some cases, the transformer on the board fails to step up the voltage for the CCFL backlight, resulting in a dark screen. Diagnostic Steps with a Multimeter:
The board generally follows a standard or Linear Regulator architecture depending on the specific chassis (e.g., monitor vs. bench supply). 1. Primary (High Voltage) Section : Exact matches for the physical board layout
The search for "101V0" also returns references to a power supply for a , as well as a Russian repair log for a Wannen Delta 101v0 (94v0) power board. The latter involved troubleshooting a non‑functional unit, and the technician found a shorted filter component. Given that Wannien or Wannen are phonetic variants of the same Chinese OEM, these are almost certainly the same board or a very close relative.
For those needing to repair this board, expert guidance suggests focusing on common failure points:
Exclusive Deep Dive: Wannien 101v0 Power Supply Schematic and Repair Guide
If blown, check the bridge rectifier and MOSFET for shorts.
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