Macbook a2681 u7700 chip

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • daltonjr.
    Member
    • Jul 2016
    • 45
    • Austria
    #1

    Macbook a2681 u7700 chip

    Hi,

    water damaged MacBook a2681 M2 draws 5v 0,4A, u7700 gets hot, so I guess it must be bad.. Now I wonder, where could I get that chip? there is nothing on aliexpress... is it only good from same doner board?

    Thanks for help!
    Tags: None
    • mon2
      Badcaps Legend
      • Dec 2019
      • 14205
      • Canada
      #2
      What are the topside markings on u7700? Post a clear pic.

        Comment

        • daltonjr.
          Member
          • Jul 2016
          • 45
          • Austria
          #3
          That was stupid of me.. it's APL109D, have found it now, thanks mate!

            Comment

            Previous template Next

            Related Topics

            Collapse
            • DynaxSC
              ASRock B650M PRO RS - BIOS CHIP 25Q256JW BLOCKED BY STATUS REGISTERS
              by DynaxSC
              Hi

              I have a very strange issue with the BIOS SPI chip of an ASRock B650M PRO RS motherboard.
              The SPI chip is an Winbond 25Q256JWEQ model (1V8).
              The motherbaord doas not POST - it lits only CPU and DRAM EZ Debug Leds, and stays that way forever.
              The Flashback function of the motherbaord is also not working, despite all instructions followed correctly - I'm 100% sure of this.

              I have then desoldered the chip, backupped the contents, and tried to earease the chip in order to program stock image, but the chip is locked by status registers SREG2 (TB) and SREG6...
              08-04-2025, 12:20 PM
            • SSBDADC234
              MacBook Pro 14". The screen DP chip failed.
              by SSBDADC234

              When replacing the screen of this MacBook model, the DP855A chip must be moved from the existing screen for the screen to operate properly.
              However, when I removed the DP855A chip from the existing screen, I must have done something wrong and the chip broke.
              Testing the chip pins with a multimeter revealed a short circuit inside the chip.
              Is it impossible to repair this? I couldn't find a programmer for this chip, nor any eeprom programmer software.​...
              04-19-2024, 08:51 PM
            • SMDFlea
              Common SPI bios chip programming Questions and Answers
              by SMDFlea
              Common SPI bios chip programming Questions and Answers
              ----------------------------------------------------------

              Q: I have a bios request,i can`t post my backup as i can`t read from the chip.

              A: If you can`t read from it how do you expect to write to it ?.

              Q: Why is my bios chip unreadable ?.

              A: The programmer is faulty or has a worn or broken zif socket.

              The USB cable is frayed,connector pins worn or some other physical damage.

              Not enough amperage or voltage to power the programmer properly.

              Bad...
              09-02-2021, 04:40 PM
            • mferna14
              MacBook Air A2681 battery problem after Screen Replacement
              by mferna14
              Hi, my dear friends., Maybe this might be a stupid question or something I missed or do not know. I have 2 MacBook Air A2681 (Indentical color & EMC #), both LCD screens broken. Before ordering the LCD Screens I confirmed both worked with their respective batteries & AC Adapters, & they did 100%. The LCD Screens came in today & I replaced LCD for the 1st A2681. (Removed Battery Terminal cable for both Laptops before installation of LCDs). Perfect Screen & Booted up fine. But it did not work with battery. I checked the battery connector & it was seated in well/perfectly....
              12-06-2024, 08:10 PM
            • daltonjr.
              Macbook a2338 M1 CD3217 chip compatibility
              by daltonjr.
              Hi,

              I have a2338 MacBook with one bad CD3217 chip. Are there any compatible chips on aliexpress that actually work? Or only chip from same motherboard can be used?

              I remember buying one CD3215 for older 15" model on aliexpress and that one worked.

              Thanks!
              03-03-2025, 05:37 AM
            • Loading...
            • No more items.
            Working...