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B.Y.O.C Large Beaver Kit Instructions

Version 2.0 with EQ Voicing Switch

Parts Checklist

page 2 - 3

Populating the Circuit Board (Triangle specs)

page 5 - 8

Populating the Circuit Board (Ram's Head specs)

page 9 - 13

Populating the Circuit Board (Pickled Beaver specs)

page 14 - 18

Installing the Rotary Switch, Potiometers, & LED

page 19 - 21

Assembly

page 22 - 23

Wiring

page 24

Installing the Transistors, Finishing up & Troubleshooing

page 25 - 26

Schematic

page 27 -30

Содержание Large Beaver PCB

Страница 1: ...specs page 5 8 Populating the Circuit Board Ram s Head specs page 9 13 Populating the Circuit Board Pickled Beaver specs page 14 18 Installing the Rotary Switch Potiometers LED page 19 21 Assembly pag...

Страница 2: ...k orange orange black red brown 2 x 39k orange white black red brown 1 x 47k yellow purple black red brown 3 x 82k gray red black red brown 3 x 100k brown black black orange brown 4 x 390k orange whit...

Страница 3: ...4 stereo jack 1 x 3PDT footswitch 1 x red LED 1 x battery snap 1 x AC adaptor jack 4 x rubber bumpers hookup wire Pickle Pack Mod kit Parts Checklist NOT INCLUDED WITH STANDARD KIT Resistors 2 x 100...

Страница 4: ...3 or 47n OR 05 Ceramic disc 2 x 1uf aluminum electrolytic 1 x 330uf aluminum electrolytic Semi conductors 1 x 1N4001 diode black with silver stripe 1 x 14 pin Quad transistor array chip THAT300 MPQ390...

Страница 5: ...2 R1 100 ohms 820 ohms version 2 R2 22k R3 82k R4 1M R5 33k R6 390k R7 8 2k R8 150 ohms R9 390k R10 12k R11 82k R12 1k R13 39k R14 39k R15 100 ohms 820 ohms version 2 R16 8 2k R17 390k R18 82k R19 22k...

Страница 6: ...re the end with the black stripe cathode lines up with the striped side on the PCB layout Save the left over lead clippings for the next step Step 2 Jumper the 100ohm resistor space with a left over p...

Страница 7: ...the 820ohm resistors in the R1 and R15 positions Step 4 Install the transistor sockets Be sure to line the tabs on the sides of the sockets up with the outline of the sockes on the PCB layout KIT PUR...

Страница 8: ...tors Metal film capacitors are not polarized and can be inserted into the PCB in either direction Step 6 Add all the ceramic disc capacitors Ceramic disc capacitors are not polarized and can be insert...

Страница 9: ...esistors R2 10k R3 47k R4 1M R5 39k R6 470k R7 10k R8 150 ohms R9 470k R10 10k R11 100k R12 1k R13 22k R14 39k R15 150 R16 10k R17 470k R18 100k R19 15k R20 3 3k R21 100k R22 430k R23 12k R24 4 7k C1...

Страница 10: ...re the end with the black stripe cathode lines up with the striped side on the PCB layout Save the left over lead clippings for the next step Step 2 Jumper the 100ohm resistor space with a left over p...

Страница 11: ...tep 4 Install the transistor sockets Be sure to line the tabs on the sides of the sockets up with the outline of the sockes on the PCB layout KIT PURCHASED AFTER 6 1 08 WILL NOT HAVE TRANSISTOR SOCKET...

Страница 12: ...tors Metal film capacitors are not polarized and can be inserted into the PCB in either direction Step 6 Add all the ceramic disc capacitors Ceramic disc capacitors are not polarized and can be insert...

Страница 13: ...tors will have a black stripe down one side and the lead will be the shorter of the two The positive end will have the longer lead In positions C1 C6 C13 and C15 be sure to insert the positive end of...

Страница 14: ...15k R3 100k R4 1M R5 33k R6 470k R7 10k R8 100 ohms R9 470k R10 15k R11 100k R12 1k R13 22k R14 33k R15 100 R16 10k R17 470k R18 100k R19 15k R20 1 5k R21 100k R22 470k R23 10k R24 4 7k C1 1u C2 470p...

Страница 15: ...sure the end with the black stripe cathode lines up with the striped side on the PCB layout Save the left over lead clippings for the next step Step 2 Install the resistors Resistors are not polarize...

Страница 16: ...diode with white stripe Make sure the end with the white stripe cathode matches up with the striped side on the PCB layout Step 4 Install the IC socket Be sure to line notched end of the socket with t...

Страница 17: ...tors Metal film capacitors are not polarized and can be inserted into the PCB in either direction Step 6 Add all the ceramic disc capacitors Ceramic disc capacitors are not polarized and can be insert...

Страница 18: ...and the lead will be the shorter of the two The positive end will have the longer lead In positions C1 C6 C13 and C15 be sure to insert the positive end of the electrolytic capacitors into the eyelet...

Страница 19: ...connected to throw 5 and pole C is connected to throw 9 When your switch is in position 2 pole A is connected to throw 2 pole B is connected to throw 6 and pole C is connected to throw 10 When your s...

Страница 20: ...ortions of the instructions Then continue here with Step 3 Step 3 Insert the LED into it s place but do not solder it yet Make sure the longer lead goes in the round solder pad and the shorter lead go...

Страница 21: ...d view It would imply that you should mount the pots and switch first and then install and solder the PCB but it is acutally easier if you solder the pots and switch to the PCB first and then mount th...

Страница 22: ...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 Install the AC adaptor jack The bolt goes on the inside...

Страница 23: ...you are a working musician and they will stay fresh even when you have the input jack plugged in as long as you keep the adaptor plugged in 3 Install the potentiometers so that the solder lugs are po...

Страница 24: ...Wiring NOTE You do not need to wire the PC mounted pots like this Only if you have solder lugged pots Finish this step and go back to Step 3 Installing the Rotary switch Pots and LED...

Страница 25: ...9 really was Likely it was not always the same model transistor being reprinted but rather what ever was close enough cheap enough and readily available at the time This is the opinion of BYOC We do n...

Страница 26: ...he circuit board and foot switch Or you have a problem with something on the circuit board 3 Bypass works but there s sound when on and the LED does not come on You probably aren t getting any power t...

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