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Macbook A2337 820-02016 (Stuck at 12.3V)

Thread starter Instafixx
Start date Friday at 11:50 AM

Instafixx

Active member

Friday at 11:50 AM

#1

PPBUS is 12.3V Stable
3.8V Present
3v3_s2 absent - no shorts.

3V3S2_EN is missing as well.

PP3v3_S2_UPC also missing.
Bad U8100 ?

2informaticos

Administrator

Staff member

Saturday at 1:53 PM

#2

Any fault history?
Do you get other MPMU LDOs?

Instafixx

Active member

Today at 9:09 AM

#3

3v8 Present
1v5_VLDOINT_MPMU Present
5V_BSTLQ_MPMU Present

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