Search results

  1. Dozer

    820-5509 Mac mini RAM upgrade no boardview

    found it here: https://forums.macrumors.com/threads/mac-mini-late-2014-ram-upgrade.2338205/ , perhaps it can helps other people
  2. Dozer

    820-5509 Mac mini RAM upgrade no boardview

    nobody any idea? i nowhere found a boardview
  3. Dozer

    820-5509 Mac mini RAM upgrade no boardview

    Hi, i want to upgrade the ram here. found in the schematics RAMCFG 3..2 and 1..0 but wich resistors ? without boardview that will be a problem. can someone help me ? i have Hynix 4GB RAM Moduls So that will be 100K to R2291 and 10K to R2284,R2282, R2280 and to pull out in R2292, R2290, R2294...
  4. Dozer

    RAM upgrade MBA A1466 820-00165

    i think i figured it out. got another 11" 820-00164 and i had still 4 RAMs left, so I soldered them there in and the same problem occurs. today i found out that the SEC K4E6E304EE-EGCE I ordered has only 16Gb that means 2Gbyte ! So I soldered 8GByte in the Board and configured it as 16Gbyte...
  5. Dozer

    820-01700 16" MBP A2141 dont turn on

    I use a laboratory power supply , until now that was good for all a2141 PP1V8_SLPS2R 1.81V PP1V1_SLPS2R 1.11V PP0V8_SLPS2R 0.81V PP1V8_AWAKE 1.8V PP3V3_AWAKE 3.36V PPVDDCPUSRAM_AWAKE 0.81V PP1V2_AWAKE 1.21V the history is it stopped from one day top the other I was sure...
  6. Dozer

    820-01700 16" MBP A2141 dont turn on

    Hi, just this device came in 20V draw with batterie no dong, no display checked the power sequenz from repair wiki https://repair.wiki/w/A2141_2019_16%22_MacBook_Pro PMU_CLK32K_PCH is ok PMU_ACTIVE_READY is 1.8V PMU_ONOF_L is 3.3V PP3V3_S5, PP1V8_S5 is 0V R8013 Pin1 has a nice sinus wave...
  7. Dozer

    RAM upgrade MBA A1466 820-00165

    thanks tomtom67 from this i was inspired to try this. the state now is i can start high sierra without problems and i can see the 16GB in the system information. the main problem still is its randomly freezing . so my guess there is wrong timing configuration. what do you mean?
  8. Dozer

    RAM upgrade MBA A1466 820-00165

    starting highsierra osx from external is no problem in system i can see 16GB RAM
  9. Dozer

    RAM upgrade MBA A1466 820-00165

    i have the 820-00165 4GB version and want it upgrade to 16gb so i bought 4x SEC K4E6E304EE-EGCE and soldered it in then i soldered the RAM straps like ino datasheet DDR3:SAMSUNG_16GB CFG0: L CFG1: H CFG2: L CFG3: H that worked but coming apple and during loading 30% it is turning off then i...
  10. Dozer

    820-01521 don t wake up after lid close

    tryed in another case and all is ok. Found there is another sensor left side nearby the microphone. after replacing the microphone all is working. Problem solved
  11. Dozer

    TrueTone Displays

    this? both chips need to be replaced yes?
  12. Dozer

    TrueTone Displays

    i have an A2338 and by replacing the Display with another one I bought the TrueTone Option in the Display Menu is missing. Is there any way to copy a serial from the origianl display or like that in to the other display to make this work again?
  13. Dozer

    820-3437 dont turn on

    found no problems with SPI Bus Termination resistors so i decided to replace the mainboard, i think you are right, PCH is bad
  14. Dozer

    820-01521 don t wake up after lid close

    got this unit with high fan spin. found bad battery. after replacement fan is ok. when i click on the sleep mode, the device goes into sleep mode and wakes up again normally. but when i close the lid it also goes into sleep mode, but after opening it, the display remains dark. i have already...
  15. Dozer

    820-02020 keyboard backlight not same brightness

    today got the second new foil. and now its ok, that was the problem, a bad foil and a bad new foil. thanks for help, case is solved
  16. Dozer

    820-02020 keyboard backlight not same brightness

    i got today the new backlight sheet and now the right side is dark, the foil is new, so can that be that the foil is broken?
  17. Dozer

    820-02020 keyboard backlight not same brightness

    i tryed it by holding more than 10 sec the power button down. it not helped i dimmed it to take a foto, hope its to see what i mean
  18. Dozer

    820-02020 keyboard backlight not same brightness

    I read in Diode mode on JT002 without connected any of the 3 cables 1 1 2 1 3 1 4 .624 5 .624 6 .613 7 .613 8 1 9 1 10 1 JT001 1 .448 2 .448 3 1 4 1 5 1 6 1 JT000 1 .449 2 .449 3 1 4 1 5 1 6 1 connected all 3 cables the readings are almost the same JT001 has 2x 0.450 and...
Top