[SOLVED]820-3115 no fan spin

aurel476

New member
Board was liquid damage find U9410 burned, i've replaced U9410

liquide damage U3890 area ((replace chip and capacitors coroded)

green light, orange light present

u7000 17/18 and 27/28 checked

smc_bc_acok 3.35v

smc_onoff_l 3.48v

smc_adapter_en 3.48v

smc_reset_l 3.50v

ppbus_g3h 12.60v

pp3v42_g3h 3.48v

no startup

any idea ?
 

dukefawks

Administrator
Replacing those thunderbolt chips and caps is a waste of time before the board even works.

Voltages on C1802/03?
 

aurel476

New member
No Title

solved broken line C2233, I placed a wire that passes through the pcb
 

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