Does anyone knows from where pp5v_so takes power? On A1534 is missing
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The laptop is Apple Macbook A1534 2017 with board 820-00687-А. The USB-C tester shows no voltage, there is 820-00244-А board available. I looked at both schematics, all connector signals seem to be the same. Did someone try to fit 820-00244-А board in A1534 2017?05-11-2025, 01:08 AM -
Hi All,
i got one Macbook a1534 boardnumber 820-00244 that is taking only 5V 0,2A
I've tried to replace 3x CD3215B01 chip but it's still behaving same ....
On the board there was blown L4804 so i've replaced it.
when power is connected 5V 0,2A
PPBUS_G3H - 0V
PP20V_USBC_XA_VBUS_F - 5V
I've tried to remove F7040 as mentioned here
https://www.badcaps.net/forum/troubl...1534-820-00244
but there is... -
Hi everyone!
I have a 2018 MacBook Pro (with Sequoia OS) that I've been using for years with no problem. I recently received an M2 MacBook Pro so I'm mostly using it and not the 2018 one, but since a friend of mine needs a computer, I thought I could restore my 2018 and give it brand-new-like to my friend.
I tried using the built-in tool to restore the MacBook (Settings > General > Transfer or restore > Delete) but it got stuck when trying to remove the Find Device configuration (it asked me for the password for my old Apple ID -now I use the same account but...06-27-2025, 08:54 AM -
Hello I recovered a Macbook Macbook 12 A1534.
This one does not boot. consumption 20v 0.2A.
PP3V3_G3H=ok 3.33v
PPBUS_G3H=ok 8.79v
PP5V_S0=pulsing 0/5v
ALL_SYS_PWRGD =pulsing 3.3v
PPVCC_S0_CPU=pulsing 1.7v
PP1V05_S0SW_PCH_USB3=pulsing 1.07v
pulsing every 4 seconde
If I need to take another measurement, tell me. hope someone can help me
thank you -
Apple MacBook 12'' Retina A1534 820-00045A Schematic...10-08-2024, 02:05 PM
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