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Summary of Contents for EFM Mad Mouse Pro

Page 1: ...er did and I went over budget by about 20 dollars Still it was a working analog synthesizer for under 200 dollars and that included about 100 bucks for the separate midi converter The MM pro contains...

Page 2: ...3 71 3 71 C11 C12 C13 C14 C15 Capacitor Monolithic 0 1 uF Mouser 539 CK05103K 5 0 43 2 15 C20 C21 Capacitor Polyester 0022 uF Mouser 140 PF2A222J 2 0 12 0 24 C18 C19 Capacitor Polyester 01 uF Mouser...

Page 3: ...ge Reference Radioshack com 900 4524 1 1 25 1 25 U15 IC LM556 Timer Dual Mouser 511 NE556 1 0 64 0 64 U5 IC Pic Microcontroller 18 Pin DIP 16F84 10 P ND EFM 1 15 25 15 25 U12 IC TLO71 Opamp Jfet Mouse...

Page 4: ...71 1 0M 1 0 09 0 09 R2 R9 R10 R91 R92 R96 R97 R108 R109 R123 R124 Resistor 220 Mouser 271 220 9 0 09 0 99 R64 65 Resistor 220K Mouser 271 220K 2 0 09 0 99 R42 R53 R54 R68 R77 R78 R64 R65 Resistor 22K...

Page 5: ...istor 2N3906 GP NPN Mouser 625 2N3906 10 0 10 1 00 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q14 Q16 Q17 Q2O Q23 Q25 Q26 Q30 Transistor 2N3904 GP PNP Mouser 625 2N3904 18 0 10 1 80 Q12 Transistor 2N5460 P Fet M...

Page 6: ...000 000 White 9 Gold 0 1 5 Install all of the resistors except R45 and R69 Silver 0 01 10 No Color 20 Install all of the diodes We ll get to the LEDs later NOTE that the pad for the anode the side wit...

Page 7: ...VCOs filter amps and egs will not work Install all of the capacitors Mono Cap Ceramic Cap Electrolytic Cap Polyester Cap I have been using strips of 0 1 break away pcb pin headers for all pads on rece...

Page 8: ...T7 Install all transistors except Q29 and the Q13 Q14 Q16 Q17 Q22 Q23 Q25 Q26 pairs NOTE the pin out on the pcboard for the N Fets is for 2N3819s NOTE If you substitute J112s the leads will have to be...

Page 9: ...r meter to DC Volts Attach the negative lead to ground and measure the voltage on pin 4 of the socket for U11 It should be about 12VDC Measure the voltage on pin 8 of the socket for U11 It should be a...

Page 10: ...played If not power down and reverse the wires going to the midi jack then try again Your keyboard may or may not generate midi clock 6N138 U4 Pin 5 Midi Clock 6N138 U4 Pin 5 Midi Data Set your meter...

Page 11: ...ng Solder to the board bending the leads so there is no pressure on the pair to separate Once soldered cut the heat shrink off Solder R48 into place so that the body of the resistor is in contact with...

Page 12: ...O2 PAD C2 Adjust trimmer T7 until you see hear a 25 square wave Just a little past the smooth sound This will keep the oscillators from locking to the same beat frequency and canceling each other out...

Page 13: ...Midi Wiring...

Page 14: ...Row 1 Wiring...

Page 15: ...reversed the common wire for the Attack Decay Pot when I drew this This will cause the pots to function in reverse Connect the common to the center and right terminal connect the wire from the board t...

Page 16: ...reversed the common wire for the Attack Decay Pot when I drew this This will cause the pots to function in reverse Connect the common to the center and right terminal connect the wire from the board t...

Page 17: ...ws the power switch to turn the unit off Break the trace between PAD A2 and PAD S This allows the Sync switch to disconnect VCO2 from pitch bend CV for Sync sweeps Secure the board in the case Glide 0...

Page 18: ...can You will have to play with the trimmers for the VCOs to get them correct Adjust T2 so that when the pitch bend lever is applied the pitch of VCO1 and 2 change by one note up and one note down Play...

Page 19: ...TLO72 LM556 TLO74 6N138...

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