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).
Before diving into the circuit traces, it is important to note the device's operational parameters. The WLX-896B is designed for versatility and global use. Wlx-896b Schematic
: Usually a blown fuse or failed switching transistor in the primary AC section. Documentation Links If you are repairing one, start with the