Search results

  1. R

    820-00165 no external display on thunderbolt

    Hi, i have this board without external display. it work well on the internal display, but my customer need to work on external display. No liquid, very clean board. i have PP3V3_TBTLC = 1,1V, where is generated this power supply, on U1900? thanks
  2. R

    820-01987 No PPBUS_G3H

    I change again Q8102 & U8110 in same time. the mac is work well now. thanks 2informaticos
  3. R

    820-01987 No PPBUS_G3H

    hi 2informaticos, i change U8110 but still same. 13:5,116V 14:5,119V 3: 2,75V 6:0V 9:0V i try to restore the mac in dfu, stay black.
  4. R

    820-01987 No PPBUS_G3H

    yes it's a french store, serious. i try to order. i receive it tomorow.
  5. R

    820-01987 No PPBUS_G3H

    can i find the component ISL95870HRUZ on another (820-01041 and 820-00850) because i haven't this board? is it the good component on farnell ? thanks
  6. R

    820-01987 No PPBUS_G3H

    U8110 13:5,116V 14:5,119V 3: 2,75V 6:0V 9:0V CPU_VCCIOSENSE_P=0V i try to find this component another board and come back for more thanks for your help
  7. R

    820-01987 No PPBUS_G3H

    yes i replace Q8102 by donor board Q7430 00045 but no boot. i check tomorrow for more informations.
  8. R

    820-01987 No PPBUS_G3H

    i find the mac in DFU now, is it normal? i have PPVCCIO_S0_CPU=0v, i don't know is it normal? i take a component on 820-00045 (Q7430), i think is same, is it true?
  9. R

    820-01987 No PPBUS_G3H

    i remove Q1802 and i thing i have a short on PPVCCIO_S0_CPU (diode mode 0,036 on L8102) CPU dead?
  10. R

    820-01987 No PPBUS_G3H

    ok thanks, Q8102 is short PPBUS to PPVCCIO_S0_CPU sorry my board is 01987 i try to find a new component on a donor board and i come back after
  11. R

    820-01987 No PPBUS_G3H

    hi 2informaticos, thanks for your quick reply i have only L8102 with the same value (0,044) ok thanks for dfu informations
  12. R

    820-01987 No PPBUS_G3H

    Hi, i have this board, no liquid, i try in DFU but nothing. i have input 5V 0A (usb-c tester), PPBUS=0,343V, 0,046 in diode mode PPDCIN_G3H = 5V How can i find the problem please? thanks best regards
  13. R

    820-00840 liquid spill

    seems a bad hole broken, near CPU, i don't waste more time. thanks
  14. R

    820-00840 liquid spill

    hi, I'm working on an 820-00840 board now, this board have a liquid spill. i clean it with ultrasonic and change some broken component (like C3891,C3890,C3892, U3890) pp3v3_g3h: 3.4v ppbus_g3h: 13.06v all_sys_pwrgd: 3.22v pp2v9_sysclk: 3.0v pp3v1_rtc: 3.09v pm_slp_s0_l: 3.3v GTVR_FCCM: .022v USB...
  15. R

    820-01041 No boot but 20V on usb-c

    I try again in DFU with another macbook pro, i have always the same error.
  16. R

    820-01041 No boot but 20V on usb-c

    sorry finally PP1V1_SLPS2R = 1,1V and PP0V9_SLPS2R=0,89V
  17. R

    820-01041 No boot but 20V on usb-c

    i try to put in DFU but i have an error when i try to restore, i attach the message. i have PP1V8_SLPS2R=1,78V , PP0V8_SLPS2R=0,8V but not PP1V1_SLPS2R=0V
  18. R

    820-01041 No boot but 20V on usb-c

    Hi, i have this board very clean, no liquid, stop to work in use. i have the 20V on usb-c, the current is cycling between 0,029A and 0,600A PPBUS_G3H =10,92V too low no? battery+power supply. PP3V3_G3H_RTC_X=3,39 PP3V3_G3H_RTC_T=3,36 PP3V3_S5 missing not short PP1V8_S5 missing not short...
  19. R

    820-00239 mac work but no USB power for HDD external

    no i haven't 5V at L3500. i find the problem, i have 3 resistors bad (RB701,RB706,R3506 100ohm instead of 2,2ohm). i change the three and the usb port work with external hard drive. thanks for your help.
  20. R

    820-00239 mac work but no USB power for HDD external

    i try a hd external usbc is same, not work. I think it work on one way. Do you have ever see that?
Top