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Presonus 16.0.2 power supply -- d16 burned

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  • #16
    Please post the diode value.

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    • #17
      Originally posted by Jazz P Bass View Post
      Please post the diode value.
      1N6267... can you also take a look at the value of U8 for me in return? Mine is busted needed to replace too. Thanks in advance Click image for larger version

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      Last edited by vierneedator; 02-14-2018, 12:59 AM.

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      • #18
        I was trying to confirm 6.8 or 68 number on D16 diode. I see 1.5kE6.8 Click image for larger version

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        • #19
          1.5KE series is a transient clamping type diode. I agree it appears to be the 6.8A (breakdown volts) version.
          Also, there is no 68 version so it must be 6.8
          Attached Files
          Originally posted by Enzo
          I have a sign in my shop that says, "Never think up reasons not to check something."


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          • #20
            Thank you for post the number, that clarified my doubt.

            U8 number is: 2807-2

            http://www.ti.com/lit/ds/slus163b/slus163b.pdf

            R31 number is: 2001

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            • #21
              Originally posted by yu-go View Post
              Thank you for post the number, that clarified my doubt.

              U8 number is: 2807-2

              http://www.ti.com/lit/ds/slus163b/slus163b.pdf

              R31 number is: 2001
              1.5KE and 1N6267 are just the same TVS diode. I just fixed mine, thank you are right U8 is 2807-2, presonus customer support told me then.

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              • #22
                hi everyone,

                mine too is is burned out as well, sorry for my english.

                i need the value for:

                R16
                R8

                any help will be gladly appreciated.

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                • #23
                  R16, R8

                  Originally posted by mashrum101 View Post
                  hi everyone,

                  mine too is is burned out as well, sorry for my english.

                  i need the value for:

                  R16
                  R8

                  any help will be gladly appreciated.

                  I checked my board...,
                  R16 = 1 k
                  R8= 2,7 E

                  hope that helps,
                  greetings from Salzburg

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                  • #24
                    If the supply does not run without a load, it could be part of the design - I've seen that in one particular supply type.

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                    • #25
                      The D2 is the MBR2045CT.
                      The D16 is the 1.5KE6.8A.

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                      • #26
                        hello
                        send value

                        R13
                        D13
                        Q1

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