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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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    820-01700 (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

    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

    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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    820-01041 MacBook Pro A1990 - PP2V5_NAND_SSD0 short to ground

    Received condition: Tea spill, damage near the NAND area. The Voltage was stuck at 5v. After the cleanup: - Cleaned the whole area. There was a lot of crap underneath the U9080, so removed it. 2 pins were gone. - Connected power, 5V and 200mA, the C9080 was heating. Heard a crack, removed...
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    820-3662 (A1398 2014) - boots only if the battery is disconnected

    The only visible damage on the MLB was near the TPS. Fixed it, but the device doesn't boot when the battery is connected. Once you disconnect the battery, it works fine. Also, tested with a new battery, no go. No idea where to start from, please help me.
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    820-00165-A Fan Spins for sometimes, goes off and spins again. But not turning on.

    There was a corroded capacitor C1902 near the U1900, replaced. 2 registers near SMC replaced No sign of any other visible damage. Stage 1: The fan is spinning and it shows 430mA on the power supply. All voltages are present and the CPU is also getting warm. Stage 2: It goes off and comes to...
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