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  • Originally posted by steaua581 View Post
    Thank you so much KT315!!!.

    Marius
    YOU ARE WELCOME!

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    • Delta Pulse Problem

      Hi Everyone,

      I have constructed the DP1 and its not working.. The issue that I have is I am not getting any sound from it... I have made my own PCB using the sonsor.lay file which was posted here.

      I have found that the BC546 transistor has been inversed on this PCB and correctly soldered the components.... does anyone had the similar problem and found the solution???? If yes please help me...

      Ajay

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      • can you give a direct link on this sonsor.lay file?

        regards

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        • Check bc557

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          • Originally posted by kt315 View Post
            can you give a direct link on this sonsor.lay file?

            regards
            Hi KT315,

            Sorry my mistake it is not sonsor.lay it is actually soncorr.lay. I dont have the link to this file handy now i am attaching the file here.


            -Ajay
            Attached Files

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            • Please contoll my modifications! Thnx!
              Attached Files

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              • Originally posted by szucs_g View Post
                Please contoll my modifications! Thnx!
                You should write what you are modified, checking separete components is not easy,
                btw i don't recomand you to use sprint layot for drawing PCB, it's wery poor cad software,
                i used it and now i am not satisfied with it.
                Try to use diptrace its wery good software easy to use and much bether than sprint layot.
                I recomand it to all...
                http://www.diptrace.com/
                Regards
                Detecto

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                • Recommends everybody else. :-)
                  I observed the developments. The Iranian kid's modifications and it they were over here I assured an opportunity that the frequency, the dumping resistors on the motherboard on his basis can be made change in let him be allowed to be. I modified the trussings. A-A, B-B I was looking for a road on the motherboard for the electrons.

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                  • Maybe anybody has did a schematic in OrCAD or P-CAD? would be greatly appreciated if you share it.

                    all the best

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                    • noticed there is free section of D10 (U10 in my schematic attached). IMO it may be used for auto-reset on turn-on.
                      Attached Files

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                      • Originally posted by kt315 View Post
                        noticed there is free section of D10 (U10 in my schematic attached). IMO it may be used for auto-reset on turn-on.
                        Good idea, KT315
                        regards

                        Comment


                        • ...
                          Attached Files

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                          • please help

                            i have build my delta pulse since a year, it don't work , i would to fix the problems, so i need your help .
                            - a continued sound from speaker.
                            - TL062 (D5) is very hot

                            please i need your help
                            Cordialy

                            Comment


                            • Originally posted by apocalypto View Post
                              i have build my delta pulse since a year, it don't work , i would to fix the problems, so i need your help .
                              - a continued sound from speaker.
                              - TL062 (D5) is very hot

                              please i need your help
                              Cordialy
                              Hello Apocalypto
                              It's hard to help from here.
                              I can only say that the TL062 is not power device. Its power consumption is very low so not to take temperature.
                              Check the PCB and compare with the scheme, it is likely that there is any short circuit between the tracks, use a magnifying glass. Check the value and the correct installation of the nearby component.
                              Replace the TL062, may be damaged.
                              regards

                              Comment


                              • Hi KT315
                                maybe a silly question, but have you made a fully 100% working delta pulse ?

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