Dirtbag Troubles

[RonaldB]

Thank Madbean,
I look forward to your findings to.

RonaldB

[Seiche]

excited for this as I got my board and parts on the way! Hope it's an easy fix.

[madbean]

Solved. I'm putting the fix in the Errata section in just a sec.

[tenwatt]

Great!  I can't wait to try it.  Go figure...I don't have two 100k's.  Rrrrr!

Thanx for all the hard work!

[LaceSensor]

Im away for a few days. Will let you know how I get on
If someone does these mods I will look forward to hear from them

Im a bit concerned cos I already tried to remove the capacitor and couldnt get it out
whats the right way to unsolder these boards?
Ive used a solder sucker (thats what I have to hand) and stilll lost pads in the process.

[madbean]

Solder sucker is not going to be enough. You need a desoldering pump--you can get them for just a few bucks.

[Seiche]

sounds like an easy fix if you haven't populated, yay! 

[LaceSensor]

Solder sucker is not going to be enough. You need a desoldering pump--you can get them for just a few bucks.

If i google that "desoldering pump"  they both show the same device
a spring loaded tool like a tube that you place to the melted solder a click the button to vacuum up the molten solder. 
thats what I already have.
Is this sufficient, or something else?

[MadeByMike]

Thanks for the build reports and the updates guys - much appreciated - I'm about to start cracking shortly.

Hopefully you guys with the issues will be all good in no time?

[marmaliser]

If i google that "desoldering pump"  they both show the same device
a spring loaded tool like a tube that you place to the melted solder a click the button to vacuum up the molten solder. 
thats what I already have.
Is this sufficient, or something else?

I would normally give it one blast with the desoldering pump like the one you have and then get hold of the cap and heat both pads alternativley and give the cap a little wiggle to get it out.  If solder is left in the holes then heat a little and push a cocktail stick in.

[LaceSensor]

If i google that "desoldering pump"  they both show the same device
a spring loaded tool like a tube that you place to the melted solder a click the button to vacuum up the molten solder. 
thats what I already have.
Is this sufficient, or something else?

I would normally give it one blast with the desoldering pump like the one you have and then get hold of the cap and heat both pads alternativley and give the cap a little wiggle to get it out.  If solder is left in the holes then heat a little and push a cocktail stick in.

Cool thanks for the tips.

[tenwatt]

I use one of these:

http://www.radioshack.com/product/index.jsp?productId=2062731

[mjcyates]

As do I along with de-soldering braid. Still can be a chore at times.

[RonaldB]

Just made the mods surgested by MadBean and run it through the scope.
The results where great so now to try it with guitar tonight.

RonaldB

[tenwatt]

Okay...I've done the mods and it seems MUCH better.  When I'm biasing it I can't get it to self oscillate without a lot of distortion but I hope once I miss with the biasing some more it will be better.  I'll keep you updated.