They are all 3 caps, not sure about value atm, you could add thermal paste and test without those caps, with time if this is working you may find here right values . Before starting delid and everything else, have you tried to connect with uart port for diagnostic on pc , testing/measurements on any values around cpu/gpu? https://www.psx-place.com/threads/f...syscon-first-steps-and-error-reporting.30100/
Please read and understand from first page.