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ISO Woodson PA schematic [message #24544] Thu, 28 January 2016 23:39 Go to next message
Carpedm is currently offline  Carpedm
Messages: 3
Registered: January 2016
Junior Member
Hey guys, I just came into an old Woodson PA 150 and I'm having a hard time finding a schematic for it. I compared it to some of the kustom pa schematics out there but nothing quite matched up.
Thanks!

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Re: ISO Woodson PA schematic [message #24545 is a reply to message #24544] Fri, 29 January 2016 01:09 Go to previous messageGo to next message
chicagobill
Messages: 2006
Registered: April 2003
Senior Member
Welcome to the place.

I don't have any Woodson stuff, maybe one of the others has something. Are the boards numbered? What's wrong with the amp?

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Re: ISO Woodson PA schematic [message #24546 is a reply to message #24544] Fri, 29 January 2016 01:17 Go to previous messageGo to next message
Carpedm is currently offline  Carpedm
Messages: 3
Registered: January 2016
Junior Member
I'm mostly interested in the preamp board which is marked W9006.

Most of the problems with the amp are the kind of things you'd expect from something old and neglected, needs new filter caps, jacks, reverb switch is broken.

The power section seems to be fine, but I'm looking to tweak the preamps to make it a little more suitable for guitar, and it would be nice to know what's in front of me without having to trace it.

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Re: ISO Woodson PA schematic [message #24547 is a reply to message #24544] Fri, 29 January 2016 06:17 Go to previous messageGo to next message
stevem is currently offline  stevem
Messages: 4775
Registered: June 2004
Location: NY
Senior Member
Working on things at home gives you the luxury of being under no pressure for time like we tech's have.
Sometimes we have no recourse but to take the time to draw out a schematic as we go in troubleshooting a amp, and you can do the same if need be.

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Re: ISO Woodson PA schematic [message #24557 is a reply to message #24544] Fri, 29 January 2016 16:27 Go to previous message
Carpedm is currently offline  Carpedm
Messages: 3
Registered: January 2016
Junior Member
What better time to learn than now

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