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820-00165 SMC Issue

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    #1

    820-00165 SMC Issue

    Hello,
    Namaste!

    I had a Macbook A14666 come in for not getting on.

    PPBUS_G3H was at 8.15V. Did a SMC Reball and the board started working.
    After 3-4 days it again went on.
    Again SMC reball and again it starts working but goes off again in 2 days.

    I assumed that the SMC is bad. Didnt have a donor board so i ordered SMCs from china. The chip number is the same. After installing the new chip i only get Fan Spin at Max and No Light.

    Do these require any programming? Anyone has any experience in this?

    Also i reballed the OLD SMC and installed it. The machine boots with Max Fan Spin.

    ASD shows PPF004 and PPF003. I changed the Fan too but its still the same.
    Tags: None
    #2
    Re: 820-00165 SMC Issue

    What is the current draw?

    Comment

      #3
      Re: 820-00165 SMC Issue

      SMC's can't be programmed from blank, so must come from a donor board. This should be the case from Aliexpress, however I wouldn't trust them. In the times I've bought SMC's, they were corroded and wouldn't reball properly. I buy boards off eBay etc mainly for parts rather than going via China. You don't know what you are getting.

      You are able to reprogram them using a bootable USB that Paul Daniels and others came up with some time back. But the board must first be able to boot in order to do that. You can use a 820-3437 SMC on a 820-00165 board for example, and re-program using the tool.

      Comment

        #4
        Re: 820-00165 SMC Issue

        SMC's ordered on aliexpress never works. Thats my experience so far.

        Comment

          #5
          Re: 820-00165 SMC Issue

          Where else can i get these chips that will work?

          Comment

            #6
            Re: 820-00165 SMC Issue

            Only from scrap board of same model. Wherever you buy from,its all garbage.No point wasting money. has to return many logic boards for want of genuine SMC.

            Comment

              #7
              Re: 820-00165 SMC Issue

              If you are going to repair MAC's, you try to amass donor boards for parts like SMC's. You strike a deal with customers with machines that are beyond economic repair, or keep a lookout on eBay etc for non-working boards. Some can be fixed, some have been butchered.

              Even the boards from Aliexpress have their uses for donor connectors or masse swapping of components in cases of liquid damage.

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