Lithium Grim Purple Vibe Building Instructions Download Page 1 | Manualshive

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Purple Vibe

Building instructions

v1.0.1

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Summary of Contents for Purple Vibe

Page 1: ...Purple Vibe Building instructions v1 0 1 ...

Page 2: ...dorsement is implied 2 Table of contents PCB layout 3 Components 4 Bill of Materials 6 Options 7 Build sequence 10 Off board wiring 11 Tone selector 11 Mode selector 12 Buffer switch 13 Pots 13 Footswitches 14 Setup 16 Troubleshooting 17 Schematic 18 Read this entire manual thoroughly before you start building the effect There are many available options and you should choose which one you want to ...

Page 3: ...o are in no way associated or affiliated with the author No cooperation or endorsement is implied 3 PCB layout Dimensions 97 mm x 85 5 mm 3 82 inch x 3 37 inch NB There is a small silkscreen error that does not affect the effect On the PCB P5 is marked as Gain but should be marked as Offset Dito for P6 which is marked as Offset but should be marked as Gain Yeah I reversed the names ...

Page 4: ...1u SMF Q12 2N5088 C12 1u SMF Q13 2N5088 C13 1u SMF Q14 2N5087 C14 68n SMF Q15 2N5088 C15 220n SMF D1 1N4001 C15a 100n SMF D2 1N5817 C15b 3n3 MKT D3 1N5817 C16 1u SMF D4 1N914 C17 1u SMF D5 1N914 C18 470p Ceramic D6 LED Rate indicator C18a 47n SMF IC1 LT1054 C18b 2n2 MKT LDR1 9203 GL 5539 Silonex NLS 7532 C19 1u SMF LDR2 9203 GL 5539 Silonex NLS 7532 C20 1u SMF LDR3 9203 GL 5539 Silonex NLS 7532 C2...

Page 5: ...k R34 47k R3 1k R35 100k R4 1M R36 4k7 R5 4k7 R37 4k7 R6 1M R38 4k7 R7 1M R39 100k R8 100k R40 47k R9 47k R41 68k R10 5k6 R42 22k R11 4k7 R43 3k3 R12 3k3 R44 2M2 R13 1k2 R45 4k7 R14 75K R46 220k R15 75K R47 4k7 R16 47k R48 4k7 R17 220k R49 220k R18 4k7 R50 4k7 R19 100k R51 10k R20 47k R52 1M Lower up to 22k if needed R21 100k R53 1k R22 4k7 R54 4k7 R23 4k7 R55 47k R24 47k R56 47k R25 100k R57 22R ...

Page 6: ...ype 5 1M 2 4P3T Mode and Tone switch 2 2M2 1 DPDT Input buffer 4 9203 or GL 5539 GL 5549 NLS 7532 1 SPDT or DPDT 3PDT footswitch 1 B500R Trimpot 1 3PDT Footswitch 1 B50k Trimpot 1 18v Lightbulb 1 B250K Trimpot 2 Jack Mono input jack 1 B50k 16mm Alpha 1 Box Hammond 1590DD 1 B100k 16mm Alpha 1 DC 2 1mm DC jack 1 C100K Dual 16mm Alpha 4 Spacer Plastic PCB mounting spacers Capacitors 1 DIL 8 Socket fo...

Page 7: ...s were electrolytes Most clones replaced them with SMF stacked metal film caps To give you the ability to keep it as original as possible I marked the polarity of these caps on the PCB so you can use electrolytes instead of SMF You can recognize these SMF caps on the PCB by their rectangle marking If a capacitor is marked as a circle it is meant to be an electrolyte anyway If you decided not to us...

Page 8: ...nd LDRs There are a lot of options for choosing the combination that is right for you Regarding lamps you could use a 12V filament lamp or a 12V 18V bi pin JKL lamp 8097SBP 8099SBP LDR s can be 9203 s GL 5539 GL 5549 or Silonex NLS 7532 Of course if you have personal lamp LDR preferences do not hesitate to use them I personally found the combination of a 18V Lamp and upright GL 5539 LDR s to be a ...

Page 9: ... switching In the original there was no true bypass only a switch that turned off the lamp The wiring of all these options will be discussed in the special off board wiring section just know that if you are not using true bypass then you can leave out the optional pulldown resistor R58 9 Light shield You can make a light shield out of almost anything The max outer diameter is 23 mm 0 9 inch You ca...

Page 10: ...the diodes and then the ceramic capacitors If you want to experiment with other transistors lamps or LDR s then you could socket them instead of soldering them to the board You ll need a some 20 SIL sockets break off the sockets and solder them to the board Now is the time to solder these sockets on the PCB as well as the socket for the IC Place the transistors IC LDR s and lamp once you are finis...

Page 11: ...e are the 4 center pins in the switch in the 3 positions You can do this by using a DMM digital multi meter Most of them have a special setting eg diode test that shows if 2 points are directly connected Most give a beep or other signal to point out that the points are directly connected Note down on a piece of paper how they are connected Chances are that your diagram will be the same as mine but...

Page 12: ...nd wire accordingly Chorus SF1 SF SF2 Vibrato Start by connecting E1 to E2 on the switch G1 and G2 are not connected If you are in a creative mood you could use the unused poles on the 4P3T for a RGB LED common cathode Connect the LED anodes to pins 10 11 and 12 The cathode to a spare ground pad on the PCB and the leftover common on the switch to a Vref pad on the top left of the PCB If you are us...

Page 13: ...he most difficult one P3 the Speed pot C100k DUAL Bend the bottom 3 pins carefully so they are flat Use some leftover lead wire to connect pins 1 2 4 and 5 together and then attach wires to pins 1 5 and 6 like this Connect the wires to P3 wire 3 to pad 3 wire 6 to pad 6 and wire 5 to either pad 1 2 or 4 5 Next we connect P2 and P4 These are standard pots so all you need to do is connect the pins i...

Page 14: ...switch and LED s are the last steps First of wired as true bypass with lamp cancellation If you do not want to cancel the lamp then leave out the grey wire from the footswitch to the cancel pad on the PCB Cathode short leg Anode long leg Ring Sleeve Tip Tip Sleeve R led Cathode short leg Anode long leg Note that this wiring is using a sort of star grounding and the output connector must make good ...

Page 15: ...ation You can wire it like that with this PCB although I would not recommend it Since only the lamp is turned off all additional noise the unit generates will be audible and in your signal path But if you really prefer vintage you can wire it like this Cathode short leg Anode long leg Ring Sleeve Tip Tip Sleeve R led Cathode short leg Anode long leg Note that R led is a 3k3 resistor You can change...

Page 16: ...ke your time finding the sweet spots Also test the settings in conjunction with the Intensity pot It will take time to get it right but once you have it this effect will change your life Another method to set the effect up from scratch is as follows 1 Turn Volume P2 an Intensity P4 to the max and Speed P3 and Mix P1 to halfway 2 Turn the Gain P5 until you get a moderate but not too bright burning ...

Page 17: ...t you oriented the capacitors IC s transistors and diodes the right way SMF MKT and ceramic capacitors as well as resistors do not need to be oriented A likely sign of incorrect capacitors and or orientation is when an effect is sputtering rumbling or motorboating Check if you used the correct values of the components For resistors you can look here http www diyaudioandvideo com Electronics Color ...

Page 18: ...ames are mentioned solely for circuit identification and where applicable their trademarks are the property of their respective owners who are in no way associated or affiliated with the author No cooperation or endorsement is implied 18 Schematic ...

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