Secondary Side (Low Voltage)Test the output connectors leading to the mainboard. You should see a stable 12V rail. If this voltage fluctuates or is missing, the issue is likely in the feedback loop (Optocoupler) or the secondary diodes mentioned earlier. Repair Tips for Technicians
This board is designed for efficiency, utilizing a two-stage approach: vestel 17ips62 schematic
For a high-level summary of resistor and capacitor identifiers, refer to the Vestel 17IPS62 Overview on Scribd . vestel 17ips62 schematic