Danelectro - DJ-24 French Fries Autowah [schematic]
- Bernardduur
- Transistor Tuner
Got one in for a rehouse and decided to trace it
[Updated schematic below]
[Updated schematic below]
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- Bernardduur
- Transistor Tuner
Oh, I did not add the whole switching bit as that is the same as in all these small Danelectro pedals........ Guess it would be online somewhere
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- IvIark
- Tube Twister
Information
Thanks Bernard, is VR102 a trimmer? What does it do?
"If anyone is a 'genius' for putting jacks in such a pedal in the only spot where they could physically fit, then I assume I too am a genius for correctly inserting my legs into my pants this morning." - candletears7 - TGP
- Bernardduur
- Transistor Tuner
Yep!IvIark wrote:Thanks Bernard, is VR102 a trimmer? What does it do?
I think it sets the range of the transistor
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- IvIark
- Tube Twister
Information
This seems to cover it.
"If anyone is a 'genius' for putting jacks in such a pedal in the only spot where they could physically fit, then I assume I too am a genius for correctly inserting my legs into my pants this morning." - candletears7 - TGP
- tube-exorcist
- Resistor Ronker
I would suggest: a clone of the EH Doctor Q....
"I've noticed there's an inverse relationship between cost of gear and talent. If you need the most expensive gear to get decent tones, then you suck as a player."
- Bernardduur
- Transistor Tuner
Sure looks like it! With some mods........
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- guycapuano
- Breadboard Brother
Thanks for the layout guys, built it, one of the ranges sound incredible, the others volume is lower but actually still sounds good. Huge pop to maybe add a pull down to the layout?
- Bernardduur
- Transistor Tuner
Change R112 to 1M to ground..... the 100k to Vref is left over from the switching which is done on the main board and has no real function here!!
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- guycapuano
- Breadboard Brother
Something's off, the volume of the effect is not right, and in High range it's really bad
- Bernardduur
- Transistor Tuner
These units have a volume issue..........
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- guycapuano
- Breadboard Brother
Oh well that makes senseBernardduur wrote:These units have a volume issue..........
I cant seem to figure out which value to tweak to raise it up. THe Low side needs a small bump, and the high side needs some serious help. Tonally this thing sounds REALLY GOOD. Any thoughts on that?
- tube-exorcist
- Resistor Ronker
Oh yes... my thought:guycapuano wrote: I cant seem to figure out which value to tweak to raise it up. ..... Any thoughts on that?
Did you ever have a look at the Electro-Harmonix Doctor Q schematic ?
"I've noticed there's an inverse relationship between cost of gear and talent. If you need the most expensive gear to get decent tones, then you suck as a player."
A buffer in front of my FF vero build dramatically improves both low and hi options. In tone and volume, just better general response. I'm still getting nice POW when engaged, it's the only pedal I've built that doubles as a bass kick.
- ppluis0
- Diode Debunker
Hi there,
Bernard, can you confirm that the resistors labeled R109 and R111 really are of 4K7 in your unit ??
I'm asking this due all diagrams related EH Dr Q indicates 47K at these two positions and may be the cause of the loss in volume that guycapuano reports.
Cheers,
Jose
Bernard, can you confirm that the resistors labeled R109 and R111 really are of 4K7 in your unit ??
I'm asking this due all diagrams related EH Dr Q indicates 47K at these two positions and may be the cause of the loss in volume that guycapuano reports.
Cheers,
Jose
- Bernardduur
- Transistor Tuner
Ouch, true, those resisors were 47k; the orange band really looks red but measured they all make 47k!
[updated scheme below]
Mods, please delete first schematic plz!
[updated scheme below]
Mods, please delete first schematic plz!
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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- IvIark
- Tube Twister
Information
Original schematic removed and vero layout updated
"If anyone is a 'genius' for putting jacks in such a pedal in the only spot where they could physically fit, then I assume I too am a genius for correctly inserting my legs into my pants this morning." - candletears7 - TGP
- guycapuano
- Breadboard Brother
Ohhh schnitkees, makes senseBernardduur wrote:Ouch, true, those resisors were 47k; the orange band really looks red but measured they all make 47k!
Mods, please delete first schematic plz!
- ppluis0
- Diode Debunker
Folks, please send me some gratitude. (I'm somewhat low self-esteem these days and if you do click some thumbs up would help me a lot... )
Guycapuano: please tell us when you replace this couple of resistors to know if this solve your volume issue.
Also, make an input buffer to avoid load your guitar (in case you plug it directly to this pedal), can be useful.
Look at this diagram and place a fet and some resistors and tell us what happens: http://www.muzique.com/schem/quack.gif
Cheers,
Jose
Guycapuano: please tell us when you replace this couple of resistors to know if this solve your volume issue.
Also, make an input buffer to avoid load your guitar (in case you plug it directly to this pedal), can be useful.
Look at this diagram and place a fet and some resistors and tell us what happens: http://www.muzique.com/schem/quack.gif
Cheers,
Jose
- Bernardduur
- Transistor Tuner
And make R103 also 47k; I thought I checked em all but when compared to the 'original' schematic this error appeared!!
'No more....... loud music.......'
Follow my love for pedals and amps on https://bernardduur.blogspot.com and https://www.instagram.com/bernardduur1
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