Did The Chop Shop get a new revision?

[Snowcdh]

Got my mail call today, and received this interesting board. All was accounted for except the Chop Shop. Went through the boards on the site and couldn’t find a match. Looks definitely to be a fuzz, and 85-90% looks to trace out to the Chop Shop, but has a few added/missing components to throw it off. Anybody know what board this is?

 

[Harry Klippton]

What's the number on the back of the board say. Should be PCB051 for chop shop

 

[Snowcdh]

What's the number on the back of the board say. Should be PCB051 for chop shop

PCB051 is definitely what it says

 

[Harry Klippton]

2 j201s and a 2n2222 look correct as well. Chop on my dude

 

[benny_profane]

Oh nice. The integrated trimmers are really helpful there.

 

[Robert]

Yep, build doc hasn't been updated yet but the board was just recently revised.

Aside from the trim pots everything should match the build doc. Just follow the component markings on the board.

 

[Harry Klippton]

Crud, I don't think mine is the new revision

 

[Robert]

It can be.

 

[Harry Klippton]

When did it get revised?

 

[Robert]

May of this year.

 

[Harry Klippton]

Bummer

 

[Robert]

It doesn't have to be.

 

[Snowcdh]

Yep, build doc hasn't been updated yet but the board was just recently revised.

Aside from the trim pots everything should match the build doc. Just follow the component markings on the board.

Never seen trim pads like that before, can you tell me more? Specifically, what is the flat pad above for? I’m only used to using 3362 style

 

[Robert]

Those are so you can use either the 3362P or RM-065 style.


The round pad above each trim pot is a test point to measure the DC bias while you adjust it.

 

[Harry Klippton]

It doesn't have to be.

Ok ok

 

[almondcity]

Cool, this makes me want to build another one

 

[manfesto]

Yep, build doc hasn't been updated yet but the board was just recently revised.

Aside from the trim pots everything should match the build doc. Just follow the component markings on the board.

Are the pots rearranged?

 

[Robert]

Yes, Volume / Drive on top row, Sag on second row.

 

[MichaelW]

Has anyone done the Tone toggle mod for this like the V2 from Fairfield?

 

[jcrews]

Yes, Volume / Drive on top row, Sag on second row.

That kind of sucks. Maybe a quick ***update*** thing until we get new build docs? I've made a ton of these for friends of mine and I'm working on one to replace the last one I gave away and now I've got a useless case.

All that said I'm excited to be able to properly bias this one. I used to just roll JFETS around till it sounded right like a chump. This is obviously a big improvement.

Offboard wiring here I come