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PPBUS_G3H-12.33 pp3v3_G3H- 3.2v PP5v-G3S- 0.00 PP5vxx_en- 0.00 PP3v3_s5- 0.00

I triggered SMC_ONOFF_L by shorting it to ground, nothing happen,PM_SLP_S4_L still 0.00v

it’s a water damaged system, no deep corrosion on board. Almost all voltages are present except PP5v_s4

It’s turning on, it loops apple logo for a second and then display the rounded exclamation sign with support.apple.com/mac/restore . I tried DFU mode, it’s not entring DFU mode. Just doing the continuous looping.

No DFU

UF500 was a little physically burnt and I replaced it, 3v8_AON was low so I replaced u5700 and it came. Now am having this readings PPVBUS_USBC0- 5.1v PP3V3_S2_UPC 3.30v PP1V5_UPC0_LD0_CORE- 1.5v PP3v3_UPC0_LDO- 3.46v PP1V25_S2- 1.2v UPC0_SS- 0.00 PPVBUS_USBC1- 5.1v PP3v3_S2_UPC -3.3v...

PPBUS_AON- 12.3v 3V8_AON-3.85v

PPVBUS_USBC0- 5.1v PP5V_S2_UPC -0.00v PP1V5_UPC0_LD0_CORE- 1.5v PP3v3_UPC0_LDO- 3.46v PP1V25_S2- 0.00v PPVBUS_USBC1- 5.1v PP5V_S2_UPC -0.00v PP1V5_UPC1_LD0_CORE- 1.5v PP3v3_UPC1_LDO- 3.46v PP1V25_S2- 0.00v Apparently no s2 rails is present

The macbook is not turning on and its drawing 20v 0.00amp , I decided to restore via configurator 2, recovery showed up and I restored it. The process got to the apple logo, then up to 70% progress bar, got stocked and came up with error 56. Pls help

💪🏽💪🏽👍👍👍👍👍👍👍👍👍

I change the GPU and it worked.

Replace GPU?

I have an a2141 it’s turning on but it wount boot to password page. I have reloaded it and it was successfully loaded but it wount boot to the password page. It will load to 30%progress bar without apple logo, the fan will speed up and system will shut down. I successfully booted in to recovery...

The system is not entering DFU

Fan now spins normal after replacing it.. But system is not coming up with charger only.. It just displays charging sign and goes off..

I have solder R5253 and changed J5260... System now boots fine and waking up from sleep.. But one of the fan spins high..

I have remove R5253 Should i replace J5260 ?

SMC_LID_LEFT_R=3.4v HALL_SENSOR_LEFT=3.4v SMC_LID_LEFT=3.4v SMC_LID_RIGHT=0V SMC_LID=3.3V I checked SMC_LID_RIGHT at R5253.. Then i jumped a wire from pin 1 of R5258 to pin 2 of R5253.. now system is not coming up...

I should find exact board and replace the cd3217

UPC_I2C_INT_L diode mode to ground is 0.510 With 0volt