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If board doesn't boot at all, I doubt it will revive changing these chips.
Can you confirm USB activity for sure?
Use macOS installed on pendrive with Link LED; if flashes, is OK 100%.
Also do PRAM reset 2-3 times, if possible.
"PLT_RESET_L 1.3V "
Reset must be disabled, 3V is required there.
PCH doesn't finish power on sequence correctly.
Check PM_SYSRST_L, PM_PCH_PWROK and PM_PCH_SYS_PWROK.