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chocolat2000

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Posts posted by chocolat2000

  2. problem making a midibix step C

    in MIDIbox SID

    Posted

    I cannot understand, it is now working !

    I un-soldered every sid and tried them alone -> perfectly working (after a re-burn of the pics)

    Then i resoldered them together and it works !

    The only thing is that the first time i send the mios and midibox_sid prog when everything was soldered.

    Now i programmed them seperatly. Could this be the problem ?

  3. problem making a midibix step C

    in MIDIbox SID

    Posted

    I double checked the connections, it seems to be ok.

    I'm suspecting the alim. Because, if i solder all the sid's and core's, and if i solder the midi link between core 1 and 2 but not core 2 to 3 and 4, the sid2 loose sound. If i unsolder the alim of core 3 and 4 (without touching the midi link connection), sid2 come back to life !

    I triple checked the sonnections, but everithing seems to be correctly soldered.

    I'm a bit despaired  :(

  4. problem making a midibix step C

    in MIDIbox SID

    Posted

    Hello,

    I began building a midibox step C

    First, i mounted 2 cores and 2 sid modules. I liked them together, and whow, great sound !

    But now, i mounted 2 other cores and 2 other sid modules, and when i link everything, i have no sound from sid 2,3 and 4 (i had sound from the sid 2 before, and i send the "link" control to the master)

    Very strange, when i un-link (undersand : un-solder the power of the sid 3 and 4) the sound come back to the 2th sid !

    Other thing strange : when everything is soldered together, i can't say i have no sound from sid 2,3 and 4. Actually, i hear the "phantom" sound from the sid. I also hear the "chtritch" when i change preset and the phantom sound change. So the slaves sids receive some datas, but apparently not the "note on".

    Someone understand this ?

    PS: i use the optimised PSU, with a C64 power supplie

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