671w24h0d02a Gp Schematic -

If you are using the schematic to troubleshoot a "no power" or "flickering" issue, focus on these components:

High-value resistors (often in the kilo-ohm range) provide the initial "kick" to the PWM controller. If these go open-circuit, the board will stay dead. 671w24h0d02a gp schematic

If the fuse is blown, always check the bridge rectifier and the main switching MOSFET for shorts before replacing it. Tips for Reading the Schematic If you are using the schematic to troubleshoot

Look for bulging tops. Even if they look fine, they can have high ESR (Equivalent Series Resistance). Common culprits on this board are the output filter caps. 671w24h0d02a gp schematic