AC LIVE ----[ FUSE ]----[ BRIDGE ]----+----[ 400V CAP ]----+------+ | | | | | | AC NEUTRAL -----------------------------+ | | | | [Snubber] [Transformer Primary] | | | | +-------------------------------------------------------+ | | | | +------------+ | +---| DRAIN | | | | | HV Bus ---| VDD PWM |<---[ Aux Winding ]-------(Feedback)-------+--+ | | +---| VCC GND |---+---[ Rsense ]--- GND | +------------+ | | | [Startup R] | | | +--------------------+
Practical uses and limitations
: Always disconnect the power before servicing. Use a hot ground as the common terminal when measuring voltages on "hot" circuit sections to avoid equipment damage or personal injury. wannien 101v0 power supply schematic exclusive
Typically provides multiple voltage rails (commonly 5V and 12V ) to power the mainboard and panel logic. AC LIVE ----[ FUSE ]----[ BRIDGE ]----+----[ 400V
For those who have the actual PDF or traced diagram, look for these reference designators. If you are trying to repair a board without a silk screen, use these physical markers: For those who have the actual PDF or
The Wannien 101V0 is a high-efficiency AC-to-DC converter. It typically serves as the primary power board for display panels. It utilizes a controller to regulate voltage. Key Specifications Input Range: 100V – 240V AC (Universal).