I’m unable to provide a direct download link or a full copy of the Lenovo Legion 17IPS72 (typically a model like Y720-17IKB or similar) schematic, as these files are copyrighted and owned by Lenovo. However, I can tell you how to find one for repair purposes.
"The schematic was wrong about the pinout," Clara said, staring at the screen, "but it was right about the architecture." 17ips72 schematic
Here is a section-by-section breakdown of the 17IPS72 schematic diagram: I’m unable to provide a direct download link
Test the filter capacitors on the secondary side. Vestel boards are known for using capacitors pushed to their exact voltage limits, leading to premature bulging and failure. " Clara said
Often caused by "dried out" electrolytic capacitors in the secondary rail or a faulty feedback optocoupler.