_lex Posted March 19, 2013 Report Share Posted March 19, 2013 Bit of an electronic noob here.. building with 6281x 8. I am curious if i can use the 7 pin din that comes with the SmashTV kit as a power connector for my Meanwell RPT-60b supply? I did not populate the power regulation circuit and i was wondering if i can just solder on some wires to the pins and connect to J4. I had also read on another thread that someone had done this bit used some of the caps as power conditioning. Any tips/instructions on how i could do this? thanks! Quote Link to comment Share on other sites More sharing options...
daemonik Posted March 19, 2013 Report Share Posted March 19, 2013 I've done it that way: Using the 7pin Connector and a MeanWell RPT-60B However I only use 6582 (9V) and don't need to connect the 12V path on the board (beside feeding the 7809) For the 12V path you could solder a wire from J25 upper pin (beside the rectifier) to J4 lowest pin You could leave the 7809 out if you don't need 9V I highly recomend to solder the capacitors C1...C4 !!!!! and C11...C12 for the 9V path if used Quote Link to comment Share on other sites More sharing options...
_lex Posted March 20, 2013 Author Report Share Posted March 20, 2013 thank you very much for the schematic! I am going all 12v. I noticed that both the -12 and the +12 are used, i though only +12 came in.. also, i notice that C4 is a change of cap value from the original BOM. Quote Link to comment Share on other sites More sharing options...
_lex Posted March 21, 2013 Author Report Share Posted March 21, 2013 btw, what kind of 300uf cap should i use in C2 and C4? Quote Link to comment Share on other sites More sharing options...
latigid on Posted March 21, 2013 Report Share Posted March 21, 2013 For that value it would have to be electrolytic. A general rule for voltage is three times the expected maximum, so 50 V for +12 V Quote Link to comment Share on other sites More sharing options...
daemonik Posted March 21, 2013 Report Share Posted March 21, 2013 If you don't need the -12V you don't have to connect it. I'll use it for the CV-OUT Option (AOUT-NG Modul) and further I want to add an Opamp-Mixer for the 4 SID Modules. If all this doesn't mean anything to you - don't worry about it! you could still connect the -12V later if needed. C2 and C4 are 330nF = 0.33uF not 330uF - you can use standard ceramic or film capacitors e.g.: http://it.mouser.com/ProductDetail/TDK/FK24X7R1H334K/?qs=sGAEpiMZZMuMW9TJLBQkXjcE1SaKS%2f8mCuct0Dgx3Ik%3d capacity of C4 is not that critically, anything between 100nF and 1000nF will work If you don't use 9V: 7809, C11 and C12 are obsolet Quote Link to comment Share on other sites More sharing options...
_lex Posted March 22, 2013 Author Report Share Posted March 22, 2013 ah cool! if you got any pics i would be curious to see how you wired up the rpt-60. also, curious what you are planning to do with the CV outs and how that might interact with a modular system (i happen to be putting together a modular now..)? i appreciate you help! Quote Link to comment Share on other sites More sharing options...
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