Integrative Treatments at Hope4Cancer Institute - SPDT, Hyperthermia & Rigvir
Build Your Own Clone Relay Bypass Board...
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Build Your Own Clone Relay Bypass Board Instructions
Transcript of Build Your Own Clone Relay Bypass Board...
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BuildYourOwnCloneRelayBypassBoard
Instructions
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PartslistfortheRelayBypassBoard
Resistors:1-2k2/222 (Red/Red/Black/Brown/Brown)1-10k/103 (Brown/Black/Black/Red/Brown)Capacitors:2-100n/.1uF/104FilmCapacitors(Maysay‘104’onthebody)Diodes:1-3vZenerDiode(use4.1vzenerifusing5vrelay)ICs:1-12F609ProgrammedMCU1-DIP8ICSocketTransistors:2-2N3904(OrSimilarNPNTransistors)2-BS1701-78L333.3VVoltageRegulator(or78L05ifusing5vrelay)Relays:1-DualLatchingRelay3vor5vrelayFootSwitch(optional):IfyouareinstallinginaBOSSorIbanezpedal,youdonotneedafootswitch.Youwillusetheexistingtactileswitch.
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Step1:Addtheresistors.Thesearenotpolarizedandcangoineither
direction.
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Step2:AddtheZenerDiode.BesuretomatchthestrippedendofthediodewiththestripeonthePCBscreenprint.
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Step3:AddICsocket.BesuretomatchthenotchontheboardscreenprintwiththenotchontheICsocket
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Step4:AddtheRelay.Therewillbeastripeononeendoftherelaytoindicatepins1and10.Installitsothatthestripeisabovethenotchon
thescreenprint.
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Step5:Addthefilmcapacitors.Thesearenotpolarized,meaning
theycangoinanydirection.
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Step6:Addthetransistors.Thetransistorsinredarethe2N3904s,thetransistorsinyellowaretheBS170s,andthetransistoringreen
isthevoltageregulator.
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GeneralWiringDiagram
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BosswiringNote:thewiringdiagramsshowaSPDTsoft-touchfootswitch.Youwillbeusingtheexistingtactileswitchthatcamewithyourpedal.Functionally,theyareidentical.Ifyouareinstallingthisonapedalthatwedonotalreadyprovidespecificinstructionsfor,youwillalsoneedtoremovearesistorfromtheexistingflip-flopbypasssystem.See“ModifyingtheFlip-Flop”onpage14.Otherwise,downloadourinstallationguidethatisspecifictoyourpedal.
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IbanezWiringNote:thewiringdiagramsshowaSPDTsoft-touchfootswitch.Youwillbeusingtheexistingtactileswitchthatcamewithyourpedal.Functionally,theyareidentical.Youwillneedtoremovearesistorfromtheexistingflip-flopcircuit.WeprovideinstallationinstructionsthatarespecifictotheTS808,TS9,andOD9.Youshoulddownloadthoseinstructions.
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BYOCWiring1
YouwillneedtouseaDPDTmomentaryswitchifyouwanttousetheRelayBypassSwitchwithaBYOCkitthathasaPCBthatencompassesthefootswtich.Thestandard“Carling”SPSTmomentaryfootswitchwillnotfit.
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BYOCwiring2
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ModifyingtheFlip-FlopinaBOSScompactpedal
AlmostallBOSScompactpedalsusethesameflip-flopcircuittoswitchthebypassonandoff.BeforeyoucanusetheRelayBypassSwitch,youneedtomodifytheflip-flopcircuitsothatitalwaysgoesintoengagedmodeor“on”uponpowerup(normally,itgoesintobypassmodeuponpowerup).Notethatyouwillstillbeabletoturnthepedalonandoffwithitsoriginalswitchafterthismod,butonceyoudisconnectthetactileswitchfromthemainPCBandconnectittoyourRelayBypassSwitch,thepedalwillessentiallybepermanentlystuckin“on”modeandreadyforusewiththeRelay
BypassSwitch.
Themodificationisverysimply.Youonlyneedtoremoveoneresistor.
Locatingtheresistor:InBOSScompactpedals,theresistor’s
locationanddesignatornumberwillvaryfrompedaltopedal.Forexample,it’sR30intheDS-1andR22intheDS-1.Butitisalmostalwaysa56kresistor..IfyouareinstallingtheRelayBypassSwitchinapedalthatwedonotofferspecificinstallationinstructionsfor,itisuptoyoutoacquireafactoryschematicandlocatethisresistor.Onthenextpageisagenericschematicoftheflip-flopcircuit.You
shouldbeabletofindthissamecircuitinanyBOSSfactoryschematic.
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TheredarrowpointstotheresistoryouneedtoremovetopreparetheBOSSflip-flopcircuit.ThisisanexcerpttakenfromaBOSSCS-1factoryschematic.Here,theresistordesignatorisR23.Inyourpedal,theresistordesignatormaybesomethingelse.Butitwill
mostlikelybea56kresistorandcircuitwillbeidentical.
