17ips72 Schematic Patched -

If the main fuse is intact but no standby voltage exists, the low-power standby IC might be defective. ⚡ Unstable or Pulsing Voltages

If the voltage spikes briefly and drops, the board's protection circuit is likely triggering due to a failed LED strip inside the panel itself. Safe Troubleshooting Practices 17ips72 schematic

Uses a dedicated controller and MOSFET to pulse high frequency DC into the transformer. If the main fuse is intact but no

before performing any continuity or resistance checks. 17ips72 schematic

Provide the voltages you measured at the secondary connector pins.

Use an isolation transformer when measuring live voltages with an oscilloscope on the primary side.