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    820-2494-A only led1 green

    First LED when power button change to 0v and at 3.3V with S5010 pads for test PP1V1_S5_REG - 1.1V PP3V3_S5_REG - 3.3V PP5V_S5_LDO - 5V PP12V_S5 - 12.05V R5010 is good any ideas ? thanks
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    820-00840-00 a1708

    Hello, I received this device, it does not turn on and there are no liquid damages. I bought the Q7040 and I have a short in the pins: Q7040 1 PPVBAT_G3H_CHGR_REG 2 PPVBAT_G3H_CHGR_REG 3 PPVBAT_G3H_CHGR_REG 4 TBA_GATE_Q3 and Q7030 in: Q7030 4 TBA_GATE_Q2 Replacement or could the problem...
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    820-02773-a A2338 short

    Hello, I received this device, it does not turn on and there are no liquid damages. I bought the F5200 and I have a short to ground with a value of 002 I have checked the coils and the mains and they seem to be fine Any ideas? Thanks
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    820-00165 no work

    It doesn't work, no liquid damage or burned components. led green change orange without battery, I try with other I/o board and flex. In bypass mode we managed to turn on but without image internal o external monitor (it's only possible with keyboard if we try to bypass with smc pads we can't)...
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    820-01700-A A2141

    Hello, I received this device that does not turn on, very dirty fans, perhaps overheating... I have checked the motherboard, it does not seem to be damaged. no dfu mode some voltages: PPBUS_G3H=4.18v 3V3_G3H_RTC=0v L9020=0v L9030=0v L9080=0v mode diode to ground PPBUS_G3H=386 L9020=433...
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    A2289 - 820-01987

    hi, i have this board but don't turn on, I have tried to change the USB-C flex i don't have any voltage... F7700 is good PPBUS_G3H= 0 3V3_G3H_RTC= 0 PP1V8_SLPS2R= 0
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    820-00165-A A1466 2015

    Hi guys, I have a problem with this logic board, it works with battery (25 cycles) when disconnecting the magsafe it takes a few minutes and the computer turns off. With magsafe it can work all the time. In system information it recognizes the battery and the percentage goes up when it is...
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    820-01958 A2179 with short

    Hi guys, I have this board and when checking the fuses I have been able to observe that F8400 is correct but I have a short to ground in PPBUS_G3H I need help finding the component thanks
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    820-4924-A A1502 2015

    Hi, I have this motherboard that stopped working with the keyboard and trackpad. We have tried a new keyboard, trackpad and TP flex but nothing... J4813 4 PP3V42_G3H=3,4v Check F4800 is good L4803=591 value mode diode If the keyboard works for an SMC reset but I can't do a PRAM reset
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    820-2828-A iMac 27" 2011

    hi all, I have this board with a power problem, I connect the power cable and LED1 ON, I press the power button and LED1 turns off and when I release the power button it turns back on. It seems to have a short to ground. I have tried another power supply and same problem problem GPU or CPU...
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    820-00165 A1466 no power no led

    Hi, i have this board with liquid damage in the keyboard area but it seems I haven't found any corrosion/damage on the board some voltages: PPBUS_G3H 0.59V PP3V3_SUS 0v PP3V3_S0 0v PP3V3_S3 0v PP5V_S0 0v U5110 1_ 3.39V 3_ 3.39V 4_ 2.72V 5_ 3.34V 6_ 3.37V 7_ 3.39V 8_ 3.26V thanks for all
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    (SOLVED)820-00431-a 1led green no power no fan spin

    hi all, I have this board, connect power led1 green, pulse power button anything... PM_PWRBTN_L=3.38v pulse SMC_ONOFF_L down to 0.10v PM_SLP_S4_L=3.28v pulse power button same voltage no change PM_SLP_S3_L=3.28v SMCBAD ? thanks for all
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    820-00165 water damage no power no led

    hi all, I have this board with liquid damage, it has been cleaned and does not appear to have serious damage. I have changed U5110 but without success because I have short to ground in PP3V42_G3H Some measures PP3V42=0.17V PPBUS_G3H=0.22V PP3V3_S0=0v PP3V3_S5=0
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    820-3437-B MBA 2014 no power

    hi i have this board with magsafe led green led orange but no power or fan spin. Either power in smc bypass mode PPBUS_G3H = 8.53V PP3V42_G3H = 3.39V SMC_RESET_L = 3.36V PP5V_S5 = 4,97V PP5V_S0 = 0V ALL_SYS_PWRGD = 0V PP3V3_S5=3,26V PP3V3_SUS=0V U7501 23 = 8.53V 22 = 3.26V 12 = 3.39V 13=...
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    820-00850-A water damage

    hi guys ! I have this board with some liquid damage in the image area. I have purchased and the components seem to be fine but the equipment does not turn on, nor is it detected in DFU. With the right USB ports you don't have either Any idea where I start? What measures do they need? thank you...
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    820-00165-a no power F7140 short

    hi sorry but I have another board with problem power I have led green and orange but F7140 is broken with PPBUS_G3H short to ground I have checked C3080 and it is fine but I don't know how I can check Q5500 or Q3080.. and a resistor I don't think is the problem... can I help me? thanks !
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    820-00165-a no power

    hi all, I have this board but no power: no led green or orange no power bypass mode no fan spin I could find some corrosion on the U5110, I removed the IC and saw that pin 1 did not exist, I replaced the IC and put a cable to have the line pp3v42 - 3.39v ppbus - 8.10v pp3v3_s0 - 0,08v...
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    820-00430-A iMac A1418 imac2015

    hi friends, I have received this equipment and I have been able to observe that it had some corrosion in the area of the image that I attached, I have cleaned it well, I have not observed anything strange but only 2v reaches the power pad pins, I need your help. thanks a lot
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    A2289 liquid damage no image

    Hi guys, I think the plate model is 820-01987-A but I'm not sure because I haven't been able to find the area where it is printed. Logic board with liquid damage, I have checked the logic board with a microscope but I have not found corrosion, I have tested a screen and the LCD flex from board...
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    820-3476-a led green on/off/on/off

    hello guys, another board.. It doesn't turn on, it doesn't fan, etc. It only shows a green LED and turns off, a few seconds later it turns on a green LED again and turns off. Checking the board, it had corrosion on IC U3220 and U5110, I have cleaned the area but have not desoldered. I have...
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