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    Lg Superfine 5k LG 27MD5KA-B

    Hello Guys


    I get a Superfine Display 5k...it doesn’t turn on on when I connect thunderbolt 3 cable....(or thunderbolt 3 to thunderbolt 2 Adapter)
    No matter wich MacBook i try...i connect...
  2. Re: Macbook Air A1466 mid 2013 don't start without charger

    Hey Guys!!

    Good news!! my Macbook works again without charger!!
    The R7006 was blown....it had 250 Ohm...so i replaced him and now it works!!

    Thx for help guys!!
  3. Re: Macbook Air A1466 mid 2013 don't start without charger

    Hey Mitch
    Thx for your answers!
    I will check that in The next days! And let you know thx!
  4. Re: Macbook Air A1466 mid 2013 don't start without charger

    Yes i have Orange light without battery
    with battery its green
  5. Re: Macbook Air A1466 mid 2013 don't start without charger

    Hello Mitch!

    Yes its the 820-3437b board
    When i measure the BattConnector without charger (with Battery)

    1. 8,51 V
    2. 8,51 V
    3. 8,51 V
    4. 1,832 V
    5. 1,832 V
  6. Re: Macbook Air A1466 mid 2013 don't start without charger

    Hello yes!!

    Battery Information:

    Model Information:
    Serial Number: D863293023AF90KAW
    Manufacturer: SMP
    Device Name: bq20z451
    Pack Lot Code: 0
    PCB Lot Code: 0
  7. Macbook Air A1466 mid 2013 don't start without charger

    Hello Guys!!

    One little Problem i have! I disambled my Macbook Air to change the keyboard. After that my macbook won't start without charger.
    I don't know why!!

    Is the battery died?

    This...
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    Re: Thunderbolt Display 820-2997a

    Hello Guy

    Big Update!!

    First i ordered a new board (because i think at the two donor boards no PWM Signal)
    Second: New board in and....... again no backlight......
    Its the same issue like...
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    Re: Thunderbolt Display 820-2997a

    Hello Guys

    I have here two donor Boards 820-2997.
    They are working, only Backlight not.

    Does anybody Know the Output Voltage of the Backlight Connector?- Or anybody can check this?

    The...
  10. Replies
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    Re: Mac Mini late 2012 does not turn on

    Hello
    Yes, i am wondered too. Ive buyed this two weeks ago as defective.
    First i think thats no Problem �� But then...... No schematics no boardview.....and then this... And no donor boards on the...
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    Re: Mac Mini late 2012 does not turn on

    Hello

    Here is the photo, I hope you could see that the Chip is higher in the middle. And he gets very hot when i try to start.
    1246

    Thanks
    Michael
  12. Replies
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    Re: Mac Mini late 2012 does not turn on

    Hello

    Thanks for answer,
    Its really difficult to become a donor Board of this for me. Im searching the Last three days but i found not only one.
    Does anyone have a donor board for me? When...
  13. Replies
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    Re: Mac Mini late 2012 does not turn on

    Hello

    I found that the Chip LM4FS1AH5BBCIG ist blown.
    Can i change this with a new one or is it programmed?

    Thanks
  14. Replies
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    Mac Mini late 2012 does not turn on

    Hello

    Im searching for schematic and board view for MacMini late 2012, 820-3227b - A1347

    Does anyone have this?

    Thanks
  15. Replies
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    Re: Thunderbolt Display 820-2997a

    Hello

    Is there a way to messure without Lcd? I only get the Power for Backlight Ic when all is connected.
    I see the Image on Display but without Backlight. On the Pwm Pins there is no Voltage....
  16. Replies
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    Re: Thunderbolt Display 820-2997a

    Hello

    Thanks for answer! Ive read this already but i dont understand it why? Why didnt come the pwm Signal ? Some means that is a software error, but why isnt it fixed already?
    Today i become a...
  17. Replies
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    Re: Thunderbolt Display 820-2997a

    Hello
    A component Layout Would be great if anybody have this.
    Thanks
  18. Replies
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    Thunderbolt Display 820-2997a

    Hello

    I have here a Thunderbolt Display with no Backlight.
    The schematic i found. Does anyone have the boardview file for this?

    Thanks to all

    Greets from Vienna
    Michael
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    Re: Amtech NC-559-V2-TF flux for sale

    Hello
    Yesterday i ordered two of them!!
    thanks Louis!!

    Greets from Vienna
  20. Replies
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    Re: Macbook Air 820-2179c

    Good Morning!!

    It works!! i changed the EFi Chip (U6100).
    All works!!
    Thanks for help!!
  21. Replies
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    Re: Macbook Air 820-2179c

    Maybe efi Chip?
  22. Replies
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    Re: Macbook Air 820-2179c

    Hi
    No, no backlight and with external Monitor nothing.
    All rails from schematic (Page 8) are present.
    I Need the next step, which ohter things Must present that its chime. ( i Hope You understand...
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    Re: Macbook Air 820-2179c

    Hello Guys

    I know that is an old Macbook, but what can i do next?
    I tried an SMC Reset, that worked but the same.....
    All Power Rails present. but no chime an Display (i have a second board with...
  24. Replies
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    Re: Macbook Air 820-2179c

    Hello

    @Louis
    Thanks for answer :-))
    I Know that, that its seven years old. But optical it Looks like new. Battery and Harddrive working, no breaking Hinges, No beeping!!
    Only no chime and...
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    Re: Macboo Air 820-2179c

    Hello

    I meassured the Rails again,

    at PP18V5_G3H I have 15,27V schematics (18,5V)
    at PPDCIN_G3H i have 14,47V schematics (18,5V)
    at PPVCORE_S0_NB_GFX i have 1,080V schematics (1,25V)
    at...
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