Lithium Grim Snail Gear Building Instructions Download Page 4 | Manualshive

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Snail Gear v1.1

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PCB layout

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Summary of Contents for Snail Gear

Page 1: ...Snail Gear Building instructions V1 1 ...

Page 2: ...difications 6 Biasing 7 Off board wiring 7 Troubleshooting 8 Schematic 9 Read this entire manual thoroughly before you start to building the effect Especially the Modification and Biasing part Decide before building the effect which mods you want to try so that you do not need to desolder parts later Last update 26 02 2017 ...

Page 3: ...u Electrolyte R11 10k C12 1n MKT R12 1k C13 1u Electrolyte R13 100k C14 1u Electrolyte R14 470R C15 47n MKT R15 220k C16 10u Electrolyte R16 390R C17 33u Electrolyte R17 1M C18 10u Electrolyte R18 1k D1 Zener 5 6V R19 390k D2 1n4148 R20 4k7 D3 1n4148 R21 4k7 D4 1n4148 R22 100k IC1 TL071 R23 100k Q1 BC549C R24 10k Q2 2SK30A 2N5457 use extra D pad R25 22k Q3 BC549C R26 22k Q4 BC549C R27 1M Q5 BC549C...

Page 4: ...Snail Gear v1 1 4 PCB layout ...

Page 5: ...o you ll need to use the extra D pad for the 2N5457 The original Attack pot is B20K You can easily use the readily available B25K or you can place a 100K resistor between pins 1 and 3 to lower the B25K to B20K B25K 100k Soldering this board can be very complicated for some people since the solder pads are very close together Use a magnifying glass to make the job easier If you want to experiment w...

Page 6: ...similar in your favorite color A Hammond 1590BB will give you more room to build especially when using the swell mod Modifications Swell MOD You can extend the swell time by changing C6 to a higher value Especially for this mod the SW1 is added to the board If you do not decide to use the mod then leave out the SW1 If you do want to use the mod I suggest using a DP3T ON OFF ON switch with the 4 7u...

Page 7: ...thout volume loss NB the Sensitivity pot is used to adapt the effect to the amount of input the effect gets like an input boost If you use a booster fuzz in front of the effect you will need to lower the Sensitivity to get the optimal result Off board wiring S Tip Sleeve Sleeve Output Jack Input Jack Cathode short leg Anode long leg Footswitch Ring R led Tip The LEDs requires a resistor R led in t...

Page 8: ... MKT capacitors and resistors do not need to be oriented Check if you used the correct values of the components For resistors you can look here http www diyaudioandvideo com Electronics Color Double and triple check your soldering A loose or cold solder can be really bad for your board Replace the IC s and transistors one might be defective Before doing that first unplug the 9V and wait 5 seconds ...

Page 9: ...Snail Gear v1 1 9 Schematic ...

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