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    820-00138 A1398 2015 - Not turning on when battery is connected

    Sorry for that. Resistance BETWEEN pin 17/18 - 3.9 ohms Resistance BETWEEN pin 27/28 - 21.8 ohms Yes, board turns on with battery connected, freezes on apple logo. Also reprogrammed BIOS with cleanME, same behaviour.
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    820-00138 A1398 2015 - Not turning on when battery is connected

    F7140: With battery, charger connected - 12.32V With battery, no charger - 11.67V Without battery, charger connected - 12.61V Without battery, no charger - Hovering around 1.5-1.4V. U7100: Resistance B/W 17/18 Without charger - 2.8 ohms Resistance B/W 17/18 with charger - 2.649 Mega ohms...
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    A1398 Mid 2014 Random auto shut-down

    - MLB was liquid damaged initially with auto shut-down issue - MLB side KBD backlight connector, PowerGUD section and Thunderbolt section were affected - Cleaned affected areas and replaced couple of burnt/corroded components - Ran ASD EFI before completing repair, test passed - After a month...
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    820-00138 A1398 2015 - Not turning on when battery is connected

    - With the battery disconnected, the device turns on with direct power and works perfectly fine. - Connected the battery while the machine is on. Battery being detected and charging fine. - Device won't turn on with the battery connected. Same behaviour with known good battery and minimal...
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    820-00138-A MBP A1398 2015: Charging IC blowing repeatedly

    Hi, The MLB was dead and there was no light on the MagSafe. - No visible corrosion on the MLB. Found charging IC faulty. - After replacement, it worked for a while and the charging IC blew again - Tried with another IC, same. Please help me with the next steps.
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    820-0165 MBA A1466 2015 - Slow boot up and Kernel Panic

    @2informaticos Thanks for the help. Yes, it was a BIOS issue. After trying 2-3 ICs from the doner board, one worked. Later, I reprogrammed it with the right serial number. Small issue: The keyboard backlight is not working, could that be because of BIOS? - working fine at OS level, no ? sign.
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    820-00138 MBP A1398 2014 - Not booting in Catalina

    This is 2014 MacBook Pro. can i run EFI ASD on this? If yes, how? Do you have the link to download?
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    820-00138 MBP A1398 2014 - Not booting in Catalina

    Hi, I did SMC reball and installed another one from doner, same booting slow in Catalina Also tried a BIOS with clean ME, no go. In HWMonitor, what values should I look at?
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    820-01700 (MBP A2141 16" 2019) Corrosion Near SSD, stuck at 5v even after cleanup

    Okay, boss... resistor it is now Compare the reading???
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    820-01700 (MBP A2141 16" 2019) Corrosion Near SSD, stuck at 5v even after cleanup

    Hi, Initial readings on Amp meter: 5.085V, 0.026A - 3 resistors and 1 cap near SSD (U9100) were damaged. Replaced, still, the readings are the same. - PPBUS_G3H Diode mode - 0.044 Resistance -25 Ohm No other visible damage. What shall I do next?
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    820-0165 MBA A1466 2015 - Slow boot up and Kernel Panic

    All the above options were tried, no go.
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    820-0165 MBA A1466 2015 - Slow boot up and Kernel Panic

    The device was booting but works normally after bootup. Didn't find any abnormal activity in the monitor. Sometimes crashed with a kernel panic. - On the MLB found corrosion behind CPU (image attached) - Cleaned up, still behaving same - Attaching the crash report. Please help me with the...
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    820-3476-A MPB A1502 2014 - Display flickering after backlight IC replacement

    - Got this with the backlight not working issue. No liquid/moisture damage. - After the backlight IC replacement, the backlight started working. - Now, most of the time the display flickers after restarts for a few minutes. - Tested with 2 different ICs, same issue. What could be wrong?
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    A1398 2014 - BIOS Lock

    Can I use this? If yes, can you help me with this? I didn't find any relevant content.
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    A1398 2014 - BIOS Lock

    Hi, the device is BIOS locked. I don't have proper tools for reprogramming. What if I change the BIOS from another same model MLB, will that do? I am okay with the serial number mismatch.
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    820-00138 MBP A1398 2014 - Not booting in Catalina

    There was no green/amber light on MagSafe. PPBUS_G3H and PP3V42 present but issue with the SYS_ONEWIRE signal in the SMC. - SMC area was corroded. Performed SMC reflow and replaced 4 components around it. - MLB turned on after this but there was liquid damage in various other sections. - J9500...
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