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my strange surfmaster PI

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  • #16
    my SMP upgrade

    hi ! thank you very much for your feedback , i'm gonna do and see the résult , bye .

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    • #17
      AK48 can you after desoldering tip32 to desolder too electrolitics and give yet pics of top side?

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      • #18
        hi ! préviously , rom_1 told me " simply replace tip32 by irf9340 and resistor 220 by 390. Result is best gold sensivity." but after comparing the two boards , i'm not sure , i don't think that just what i have to do to upgrade my SMPI because when i compare the two boards , they didn't match , so let me upgrade it by myself and test , after , i will send you pics of final boards .

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        • #19
          Hi everybody , where is Kt135 ? here the pics you ask me for ,components are the following : C2 = 1000µ / 25 volts
          C13 = 220µ / 10 volts
          C15 = "

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          • #20
            am here AK48! thank you! feeling myself like a teacher at a lesson... i give you a pic done by me...
            only like an example of good pic... broadlight, open air light sunny day.

            http://storage4.static.itmages.ru/i/...9bd5d1046f.jpg

            let me know due size of your board with 0.1 mm accuracy.

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            • #21
              bad example - not mine pics. very low res and no light, wires did not deleted and blocked up the pcb.

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              • #22
                hi kt 315 , i don't understand , the pics i send you are bad ?you wan"t me to send you anothers ? or what else ? thank you

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                • #23
                  AK48
                  what KT315 is asking you is can you please take the pcb outside into the sunlight so the pcb is brightly illuminated , and take very high res pictures , no dark areas ( but not over exposed) he is showing you an example of a "good" picture in post #20
                  and move the wires out of the way so he can see all the pcb details and can you measure the pcb with a .1mm accuracy .

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                  • #24
                    yuppy. very high resolution of pics meaning is 4 > megapixels pics. not 176-211 kbytes that were uploaded.
                    6666 is knowing my perfect english GOOD!
                    the deal is... any pic is only 2D pic... NOT 3D that you can turn over and look again
                    and what is very evident for you keeping the pcb on another side here is unvisible and non-comfort looking.

                    have a nice day guys!

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                    • #25
                      hi ! soonely , i'm gonna do but you have to wait , that's my only camera , no money to buy another , not very rich sorry
                      my camera is an old Konica Digital Revio and for the thickness i'ts good i have a footslide see you soon AK48

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                      • #26
                        hi , little question for kt315 : i know you can help me , you know i"m Algerian and in my country , own à detector is forbidden by governement , so i hunt scretely , this way there is no suppliers here that's why i am on such forum , i want to make my surfPI deepers beetwen 40 and 60 cm by changing componants , can you show me shematic of that because in a last post someone called : gdogg says " extra depth on surf pi pro, maybe more power " post of 10/17/2014 , help me please to turn my surf pi more deeply cause in my country , coins are very deep because of twenty canturies of history , thank you AK48

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                        • #27
                          you have to decrease MAIN SAMPLE DELAY to 5usec... try search forum on 'two stage preamp' and do it.

                          my email address for HR pics of SURF PI board is [email protected]

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                          • #28
                            pics

                            hi kt315 , i"ve got the pics for you but i have big problem with web traffic , the connection to WWW is too heavy ( that's africa ) and the pics don't want to go just the words can be uploaded so you must wait until the phenomena disappear , another question : how can i decrease MAIN SAMPLE DELAY to 5usec because i don"t find the post you tell me , thank you AK48

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                            • #29
                              i"ve almost forget , i guess with my pics you want to clone and make yourself the same board . im i right ? or i lose ?

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                              • #30
                                or show me in wich forum could i found the "'two stage preamp" thread thank you , i know i speak too much lol

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