tracing pedals since 2007
https://www.freestompboxes.org/
TURNS OUT I DIDNT SWITH ON PM NOTIFICATIONScruffie wrote:While Peps1 is involved in this subject... Check your DIY PMs! (Sorry for the De-Rail too)
Cool....done that!Electric Warrior wrote:and you gotta move the top left capacitor one row to the right. There's a 33k resistor where you put it.
Yes you are, but I can't see the value on any of the photos...And its 4Am here....but am I missing a resistor here?
Haha, no Worries man, will chat to you in the near future about them.TURNS OUT I DIDNT SWITH ON PM NOTIFICATION
will PM you tonight/tomorrow and sort them PCBs
peps1 wrote:Cool....done that!Electric Warrior wrote:and you gotta move the top left capacitor one row to the right. There's a 33k resistor where you put it.
Here is what I got so far!
(...)
Points of query:
1:Used the value 003uf for the ceramic cap as thats what it is on the only Jumbo TB layout.....should be the same, right?
2: ceramic cap code 470 = 470pf?
sonicvi wrote:It's usually .0039uF and that's what the original schematic calls for. Sola Sound called the B&M circuit "Fuzz A" and it is identical to the Jumbo with the exception of a 220K resistor at the output. I'm not sure what the purpose of that resistor is as it reduces the volume quite a bit. The pots are usually either all log taper or log for the volume and sustain and linear for the tone. Everything else about this circuit is pretty much evident from the photos and the "Fuzz A/Jumbo Tone Bender" schematic on the web. I think everybody pretty much knows by now the Jumbo is the same circuit as the Big Muff with first pair of clipping diodes and post tone gain stage removed. Doesn't sound like much but they're pretty significant differences soundwise.Electric Warrior wrote:There's two or three different layouts for the jumbo circuit with vertical controls.
some have slightly different resistor values (39k instead of 33k and 10 instead of 8k2) and/or component types (ceramic caps vs. styroflex). What I believe to be the earlier units have tropical fish caps instead of the greenies.
The values of the ceramic/styro caps may vary as well, but it's hard to see in the pictures I found. I've seen styroflex caps with a 500pf color code. Others have the number 220 printed onto them (or is this the voltage rating?). The ceramics in the ebay pics are 470pF. Does anybody have some more data?
And I'm not quite sure about the small cap at lug 1 of the tone pot. is it supposed to be 0.003µF or 0.004µF?
Any more to add?Electric Warrior wrote:The Colorsound Supa Wah-Fuzz-Swell used the same circuit board as well
http://dam.10.forumer.com/viewtopic.php?t=1295
http://www.effectsdatabase.com/model/co ... swell/supa
Thanks sonicvi, have updated the PDFsonicvi wrote:People should be able to work it out from the schematic, but maybe you could label the In, Out, Ground and +9V pads.
From top to bottom they are (using the component side):
Left side:
9V, Ground, Out
Right side:
9V, In, Ground, Out
yumyumyum 
Yes, on different boards, though:peps1 wrote:Any more to add?Electric Warrior wrote:The Colorsound Supa Wah-Fuzz-Swell used the same circuit board as well
http://dam.10.forumer.com/viewtopic.php?t=1295
http://www.effectsdatabase.com/model/co ... swell/supa
That´s wrong, because the layout is different in the Eurotec Fuzz.Electric Warrior wrote:Yes, on different boards, though:peps1 wrote:Any more to add?Electric Warrior wrote:The Colorsound Supa Wah-Fuzz-Swell used the same circuit board as well
http://dam.10.forumer.com/viewtopic.php?t=1295
http://www.effectsdatabase.com/model/co ... swell/supa
Vox Tone Bender Mark III (some of them) and Eurotec Black Box Fuzz Unit (2 knob)
