820-00244 stuck in chime boot loop

[ytesfay80]

This 12" Macbook had liquid spilled on the keyboard by the customer. It had liquid damage to only 2 components that I could see. C7671/2 were both corroded so I replaced both of them.

After plugging in the charger I keep getting a chime every few seconds and the machine keeps turning on and off. I can tell it is turning on and off because I can feel the trackpad when I click it while the machine is chiming. I tried unplugging the keyboard and trackpad but yet the issue remains.
Also, the board does get warm.

 

[2informaticos]

SMC_ONOFF_L steady at 3v?
I saw recent post with the same issue, check it too.

 

[ytesfay80]

Yes SMC_ONOFF_L stays at 3.29v the whole time.

 

[dukefawks]

What is getting warm? These boards should not really get warm very fast. I have seen them with bad CPUs that get very hot fast.

 

[ytesfay80]

There is no specific component that is getting unusually warm. When I feel around it seems like the entire board is getting slightly warm after about 30 seconds. I removed the CPU heatsink and felt the cpu and it gets warm but not extremely hot that would have me suspecting it.

 

[dukefawks]

Connect external keyboard and get into boot menu and boot from external source. Corrupted SSD can make machine reboot.