Re: 820-00138-A no power
Thanks Piernov.
As I'm new to this, what is the best way to check that? Set the multimeter in Diode Mode with red to ground with power off? or is there some other way?
r0ck3tman
New Member
Last Activity: 07-14-2020, 09:13 AM
Joined: 07-03-2020
Location: Kaysville, UT
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820-00138-A no power
This is my first repair so please be patient with me.
I get green then orange light at the magsafe.
Fans are not coming on.
This is what I have checked
PPBUS_G3H 12.54v
PPDCIN_G3H_ISOL 16.66v
PPVRTC_G3H 3.37v
PP3V3_S5 0.42v
U1900
pin 1 PPVRTC_G3H 3.37v
pin 2 PP3V3_S5 0.42 - C1902 0.42v
pin 5 PP3V3_S5 0.42
PP5V_S4RS3 missing
PP3V3_S4 missing
U7100
pin 11 SMBUS_SMC_G3_SCL 3.3v
pin 19 PP5V1_CHGR_VDD 5.47v
pin 12 PP3v42_G3H 3.37v
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Re: New Members - please post your introductions here
Hi, Just repairing my first board. Hope to do many many more.Leave a comment:
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