BYOC Optical Compressor Manuale utente
Build Your Own Clone
Optical Compressor Kit
Instructions
Warranty:
BYOC, LLC guarantees that your kit will be complete and that all parts and
components will arrive as described, functioning and free of defect. Soldering,
clipping, cutting, stripping, or using any of the components in any way voids this
guarantee. BYOC, LLC guarantees that the instructions for your kit will be free of
any majors errors that would cause you to permanently damage any components
in your kit, but does not guarantee that the instructions will be free of typos or
minor errors. BYOC, LLC does not warranty the completed pedal as a whole
functioning unit nor do we warranty any of the individual parts once they have
been used. If you have a component that is used, but feel it was defective prior to
you using it, we reserve the right to determine whether or not the component was
faulty upon arrival. Please direct all warranty issues to:
Return:
BYOC, LLC accepts returns and exchanges on all products for any reason, as long as
they are unused. We do not accept partial kit returns. Returns and exchanges are for the
full purchase price less the cost of shipping and/or any promotional pricing. Return
shipping is the customers responsiblity. This responsibility not only includes the cost of
shipping, but accountability of deliver as well. Please contact
Tech Support:
BYOC, LLC makes no promises or guarantees that you will sucessfully complete your kit
in a satisfactory mannor. Nor does BYOC, LLC promise or guarantee that you will
receive any technical support. Purchasing a product from BYOC, LLC does not entitle
you to any amount of technical support. BYOC, LLC does not promise or guarantee that
any technical support you may receive will be able to resolve any or all issues you may
be experiencing.
That being said, we will do our best to help you as much as we can. Our philosophy at
BYOC is that we will help you only as much as you are willing to help yourself. We
have a wonderful and friendly DIY discussion forum with an entire section devoted to the
technical support and modifications of BYOC kits.
www.buildyourownclone.com/board
When posting a tech support thread on the BYOC forum, please post it in the correct
lounge, and please title your thread appropriately. If everyone titles their threads
“HELP!”, then it makes it impossible for the people who are helping you to keep track of
your progress. A very brief discription of your specific problem will do. It will also
make it easier to see if someone else is having or has had the same problem as you. The
question you are about to ask may already be answered. Here are a list of things that you
should include in the body of your tech support thread:
1. A detailed explanation of what the problem is. (not just, “It doesn’t work, help”)
2. Pic of the top side of your PCB.
3. Pic of the underside of your PCB.
4. Pic that clearly shows your footswitch/jack wiring and the wires going to the PCB
5. A pic that clearly shows your wiring going from the PCB to the pots and any other
switches(only if your kit has non-PC mounted pots and switches)
6. Is bypass working?
7. Does the LED come on?
8. If you answer yes to 6 and 7, what does the pedal do when it is "on"?
9. Battery or adapter.(if battery, is it good? If adapter, what type?)
Also, please only post pics that are in focus. You're only wasting both parties' time if you
post out of focus, low res pics from your cell phone.
Revision Notes:
Rev 2.1(current) There are no known errors in this revision.
Go to: www.buildyourownclone.com/opticompV1.pdf to download instructions for the
previous version of the otptical compressor kit.
Copyrights:
All material in this document is copyrighted 2009 by BYOC, LLC
OPTICAL COMPRESSOR KIT
OPTICAL COMPRESSOR KIT
INSTRUCTION INDEX
Parts Checklist……………………..............…….....page 4 - 5
Populating the Circuit Board…………...................page 6 - 13
Assembly………………………………....................page 15 - 17
Wiring the Footswitch & Jacks................................page 18 - 20
Installing the IC.........................................................page 21
Schematic....................................................................page 22
Parts Checklist for BYOC Optical Compressor
Resistors:
2 - 4.7k (yellow/purple/black/brown/brown)
2 - 10k (brown/black/black/red/brown)
4 - 100k (brown/black/black/orange/brown)
2 - 220k (red/red/black/orange/brown)
1 - 470k (yellow/purple/black/orange/brown)
2 - 1M(brown/black/black/yellow/brown)
Capacitors:
1 - .01µf/1n film (10n)
4 - .047µf/47n film (47n)
3 - 0.1µf/100n film (100n) [use only for bass guitar]
2 - 33µf aluminum electrolytic
1 - 100µf aluminum electrolytic
Diodes:
1 - 1N4001
Transistors:
2 - 2N5088
IC's:
1 - 4558 or similar DIP-8 dual operational amplifier
Optocoupler:
1 - VTL5C4(single element with 4 leads) or VTL5C4/2(dual element with 5 leads)
Potentiometers: Be sure to snap off the small tab on the side of each panel mounted
pot.
1 -
B500k linear (sustain knob)
1 - B500k linear (sustain knob)
1 - A100k audio(volume knob)
Hardware:
1 - drilled enclosure w/ 4 screws
1 - byoc Optical Compressor circuit board
1 - 3PDT footswitch
2 - knobs
1 - AC adaptor jack
1 - ¼”mono jack
1 - ¼”stereo jack
1 - red LED
1 - battery snap
4 - bumpers
hook-up wire
Populating the Circuit Board
STEP 1: Add the resistors. Resistors are not polarized, so it does not matter which end
goes in which solder pad.
STEP 2: Add the diode. The 1N4001 will be black with a silver stripe. Be sure to
matched the end of the diode with the stripe to the layout on the PCB. The stripped end
should go in the square solder pad.
STEP 3: Add the IC socket. Line up the U shaped notch of the socket to the notch on the
PCB layout. Solder only the IC socket to the PCB. Do not solder the actual IC. The IC
inserts into the socket the same way you'd plug a vacuum tube into a socket. See page
21 for instructions on how to install the IC into the socket.
STEP 4: Add the film capacitors. These are not polarized so they can be inserted into
the PCB in either direction. If you are building for use with bass guitar, you should use
the .1uf(100n) capacitors in the places marked with an “*”.
STEP 5: Add the transistors. Match the flat side of the transistor to the flat side of the
layout on the PCB.
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