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BYOC Tremelo Instructions Manual

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Fixing an Error on the PCB..............................................page 2 - 5
Schematic............................................................................page 16
Tremelo Kit Instructions
revision 2.1
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Summary of Contents for BYOC Tremelo

  • Page 1: Table Of Contents

    Tremelo Kit Instructions revision 2.1 Fixing an Error on the PCB..........page 2 - 5 Parts Checklist ....page 6 Populating the circuit board ....page 7 - 9 Assembling the Enclosure .....page 10 - 11 Wiring .........page 12 Installing the LED and Mounting the Circuit Board..page 13 - 14...

  • Page 2: Fixing An Error On The Pcb

    Fixing an Error on the PCB There are two errors in the layout of the bezel free PCB design. Perform step 1 and 3 before you begin populating the circuit board. Do not perform step 2 and 4 until you are finished populating the circuit board.
  • Page 3 Step 2: Do not perform this step until you have finished populating the circuit board. When you are finished populating the circuit board, use a left over piece of lead clipping from the resistors to make a jumper between the two eyelets highlighted in yellow.
  • Page 4 Step 3: Cut the trace in two places on the top of the board...
  • Page 5 Step 4: Make a jumper to connect these two solder pads. Don't do this step until you've finished populating the circuit board.

  • Page 6: Parts Checklist

    Parts Checklist for Tremolo Kit (revision 2.1 released 11/20/06) If you have a tremolo kit with an LED bezel, please use the instructions found at www.buildyourownclone.com/treminstructionsV2.pdf resistors 1 180ohm resistor (brown/gray/brown) 1 1k resistors (brown/black/red) 1 1.2k resistor (brown/red/red) 1 4.7k resistors (yellow/purple/red) 2 10k resistors (brown/black/orange) 1 15k resistors (brown/green/orange) 1 150k resistors (brown/green/yellow)

  • Page 7: Populating The Circuit Board

    Populating the circuit board STEP 1: Add all the resistors. There's a lot of soldering here so take your time..If you miss one, it will be nearly impossible to figure out what you did wrong later on. The 1k resistor highlighted in yellow can be changed to a larger value like 2.2k for a slower rate, but you will lose some of the faster chop Step 2: Add the 25k trimpot.
  • Page 8 STEP 3: Add the 2N5457 JFETs highlighted in yellow and the 2N5088 transistors highligted in red. Step 4: Add the Electrolytic capacitors. The negative side will be marked with a white stripe down the side. The positive end will have a longer lead and goes in the square solder pad.
  • Page 9 Step 5: Add the .05 uf cap (503)., .22uF(224), .47uF(474), and .68uF(684) These are not polarized so it makes no difference which direction they go. Note: there is a typo error on the layout. There are two .62 caps on the layout. They should both be .68. Step 6: Don't forget to make the jumper from step 2 and step 4 of fixing the PCB.

  • Page 10: Assembling The Enclosure

    Assembling the Enclosure 1. Install the jacks first. If you are looking down inside the enclosure, the mono jack goes on the right side and the stereo jack goes on the left. Place the washer on the outside of the enclosure. Use a 1/2" wrench to tighten. 2.
  • Page 11 This is a disconnect ac adaptor jack. That means that when you have a battery connected and you plug in the adaptor, it will disconnect the battery. That is why there are 2 positive terminals. They are both connected when there is no plug in the jack, but when the plug is inserted only one of the terminals (the uppermost terminal in the back view ) is connected to the sleeve of the adaptor.

  • Page 12: Wiring

    BYOC Tremolo wiring diagram Note:The rate pot functions so that when you turn the knob clockwise the rate will become slower. To make the rate go faster when you turn the knob clockwise, simply...

  • Page 13: Installing The Led And Mounting The Circuit Board

    swap the R3 and R1 wires so that lug1 of the rate pot is connected to R3 and lug 3 of the rate pot is connected to R1. Installing the LED and Mounting the Circuit Board You will install the LED at the same time you mount the circuit board. 1.
  • Page 14 then solder. 8. Clip off the excess LED leg wire.

  • Page 15: Finishing Up & Troubleshooting

    2 and then come back to it with a fresh pair of eyes. Then the problem usually jumps right out at you .usually. If you still can t get it working, start a thread on the BYOC forum board.buildyourownclone.com...