Users often look to improve or repair these specific 354VA units:
Fuse, bridge rectifier, and a large electrolytic filter capacitor (e.g., 450V 100uF).
Here are a few options for the text regarding the "ILPI354 VA Schematic UPD," depending on where you need to use it (e.g., a formal change log, an email, or a file description).
Degraded filter capacitors (, C54 ) within the driver circuit. Replacement and Logistics