I can then give you specific test points for your exact symptom. Lenovo V560 10203-1 LA56 MB 48.4JW06.011 bios + EC 24 Mar 2022 —
Based on the motherboard's technical design, here are the key components found in the schematic: 10203-1 la56 mb 48.4jw06.011 schematic
A common symptom is the laptop failing to power on or react to the power button. Technicians often check for missing "standby" (dezhurka) voltages or insufficient voltage at the power button (e.g., reports of only 3.7V instead of the expected 3.3V). I can then give you specific test points
Offers a database for LA56 boardview and schematics specifically for Lenovo B560 and Z580 models. 10203-1 la56 mb 48.4jw06.011 schematic