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  1. T

    820-02098-a stuck 5v

    hello, please need help for mainboard 820-02098-a i have 5V with power supplies, turn to 0.850A 1sec and turn again 0V Check F5200/01 i have 12.5V no liquid see on this thanks
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    820-00850 5v

    do you have value in diode mode for this 2 fpc? I don't have on flexbv, xinzhizao same I have found this link but not correct motherboard https://logi.wiki/index.php/MacBook_Diode_Mode_Measurements
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    820-00850 5v

    i have replace all yes with all usb-c have same please, check picture for value usb-c i have test this line : pp1v8_upc_xb_ldoa : i have 1v8 pp1v8_upc_xb_ldod : i have 1v8 pp1v1_upc_xb_ldo_bm : i have 0V, no short on this line and 0.522 in diode mode
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    820-01700 NO BOOT WITH BATTERY

    for be sure, i have replace U6950 and all works fine!! Thanks a lot
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    820-01700 NO BOOT WITH BATTERY

    U6950 is beautiful R5220/21 are good : 4.7 Omh line SCL 0.500 Line SDA : 0.500
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    820-01700 NO BOOT WITH BATTERY

    hello, please i have one macbook mainboard 820-01700 client have replace battery and laptop no start i have check and the problem is when i connect cable between the battery and the mainboard for info batt when i remove, macbook start perfectly When i put cable laptop stay 0.110A and no power I...
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    820-00850 5v

    hello, please need help for mainboard 820-00850 i have 5V and 0.120mA We have replaced the CD3215 on this mainboard same problem On big coil no have short Thanks for help
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    820-3435-b

    i have repair, i have replace F7140 because color is not good below the component it's working thanks
  9. T

    820-3435-b

    Hello, please need help for 820-3435 mainboard i have c7619 burn i have replace it but laptop no start i have ppbus_g3h to 0.78V and no short on u7100 : pin 1 : 0v pin 2 : 18.4 pin3 : 4.8v pin 9 : 0v pin12 : 3.4v pin 13 : 3.38v pin 14: 3.38v pin 15:0v pin 17:8.56v pin 19:8.56v pin20 : 0.63v
  10. T

    820-2879-b green light but not start

    hello, i need help for mainboard after liquidamage i have clean and works 2 weeks after 2 weeks doesn't start for value, i have PP3V42_G3H : 1.18V PPBUS_G3H : 0.6V PPDCIN_G3H_CHGR / 18.5v thanks for help
  11. T

    820-00165 WATER

    check but no traces visible i have replace it and macbook works correctly Thanks a lot you have perfect
  12. T

    820-00165 WATER

    I did a test in smc bypass mode and no fan is running, the machine remains at a standstill
  13. T

    820-00165 WATER

    with 15V on lab PSU : Pin 1: 0v Pin 2 : 14.2v Pin 3 : 3.9v Pin 9 : 3.9v Pin 12 : 3.41v Pin 13 : 3.38v Pin 14 : 3.37v Pin 15 : 0v pin 17 : 1.56v pin 19 : 5v pin 20 : 5v pin 27 : 0v
  14. T

    820-00165 WATER

    Pin 1: 0v Pin 2 : 18v Pin 3 : 4.9v Pin 9 : 3.9v Pin 12 : 3.41v Pin 13 : 3.38v Pin 14 : 3.37v Pin 15 : 0v
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    820-00165 WATER

    i have this group for help for repair on 3V42_G3H i have 3.41V
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    820-00165 WATER

    hello i have mainboard 820-00165 with problem after water damage i have clean and laptop work 2 weeks actually no boot, no light on charger Problem is with ppbus_g3h i have 1.4V on F7140 pin1 after remove F4140 but i have good diode value (0.1) but on pin 2 i have 0.4 in mode diode but need...
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    820-00850 5v - 0AMP

    yes on each usb-c have same problem for history the macbook have stop alone and 5V no water damage I have remote for check voltage to C7050 and i have 0V i have put again the F7000 and voltage is return 20V and macbook working perfect thanks
  18. T

    820-00850 5v - 0AMP

    hello please need help for 820-00850 no 5V on put charger PPBUS_G3H no shorti
  19. T

    820-2796 not start after liquid damage

    i have remove U7500 and fan turn i have 0.310A think i have found the problem, need found ic on donor board tomorrow and check if it's better or if i have line defect to this chip
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    820-2796 not start after liquid damage

    i have lot damage around U7500 i have clean all pad and solder, you think this chip is dead and can make this problem? Thanks
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