The Wlx-896b is typically a portable CD/MP3 player with the following features:
If you can share what the Wlx-896b is (e.g., a Bluetooth module, power inverter, radio board), I’ll write a specific, detailed review for you. Wlx-896b Schematic
If you are using this information for repair, focus on these high-failure points: Likely Culprit Blown Fuse or Primary MOSFET Check input fuse and power transistor for shorts. Flickering / Cycling Dried-out Electrolytic Caps Look for bulging capacitors on the secondary side. One Port Not Working Physical USB Port Damage Inspect the internal pins of the USB-A female socket. Low Voltage Output Feedback Loop Failure Test the TL431 and Optocoupler . ⚠️ Safety Warning The Wlx-896b is typically a portable CD/MP3 player
If you are repairing one, start with the power supply and bias voltages. Check the gate stopper resistors. And never trust the “stock” biasing – always set the idle current to 100mA per final device (monitor via the source resistors). One Port Not Working Physical USB Port Damage