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 Post subject: 2:90 Parts list
PostPosted: Mon Mar 30, 2015 9:09 pm 
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Mark II
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Joined: Fri Oct 24, 2008 8:28 am
Posts: 94
Location: N.E. Pa.
Gonna bite the bullet and recap my 2:90 (blue light)
Does anyone have a parts list of what I need to buy handy?
Thanks in advance.

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Stuido Pre
G-major2
2:fifty
art-x15
crate gs-4125 4x12 /
Randall RT412CX
------Rack:2
Digitech gsp2101 dual cpu
Mesa 2:90
Fender hm-412a 4x12


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 Post subject: Re: 2:90 Parts list
PostPosted: Mon Apr 27, 2015 8:51 pm 
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Mark II
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Joined: Fri Oct 24, 2008 8:28 am
Posts: 94
Location: N.E. Pa.
#notfun..... :(


Image

Think I found my issue..
Image
Would have bet on an electrolytic capacitor..not an orange drop.

_________________
Main rack
Stuido Pre
G-major2
2:fifty
art-x15
crate gs-4125 4x12 /
Randall RT412CX
------Rack:2
Digitech gsp2101 dual cpu
Mesa 2:90
Fender hm-412a 4x12


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 Post subject: Re: 2:90 Parts list
PostPosted: Mon May 11, 2015 7:33 pm 
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Mark II
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Joined: Fri Oct 24, 2008 8:28 am
Posts: 94
Location: N.E. Pa.
I figured recap the pre.while I was at it. I can't believe how much better it sounds absolutely amazing.
Image

_________________
Main rack
Stuido Pre
G-major2
2:fifty
art-x15
crate gs-4125 4x12 /
Randall RT412CX
------Rack:2
Digitech gsp2101 dual cpu
Mesa 2:90
Fender hm-412a 4x12


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 Profile  
 
 Post subject: Re: 2:90 Parts list
PostPosted: Mon Aug 31, 2015 10:50 am 
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Mark I

Joined: Wed Mar 18, 2015 6:22 am
Posts: 34
Location: North of Seattle
What parts did you end up buying?

I'm staring down the barrel of a recap job. :shock:

Thanks!

~Icarus


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 Post subject: Re: 2:90 Parts list
PostPosted: Sun Jul 01, 2018 11:47 am 
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Mark II

Joined: Wed May 18, 2016 11:05 pm
Posts: 53
Thanx for the bottom shot of the 2;90 PCB. I'll be doin that real soon. Question for you, I have burn marks on two of those large .1 orange drop caps. What do u think happened? I have some issues that im trying to resolve. for starters, im replacing the two 10k uf 16v
caps that supply swicthing matrix, replace R421 thats cracked and try to hard wire PT leads directly to PCB. And replace those two burnt .1 caps. Any heads up wud be appreciated! Sincerely, James

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MKIIC+
2:90
4x12 Recto Cab w/ Eminence and V30's
Home made 2x12 half open cab w/ Eminence and V30's
Rocktron Patchmate, Rocktron Intellifex, TS10 Tubescreamer


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 Post subject: Re: 2:90 Parts list
PostPosted: Sun Jul 01, 2018 11:49 am 
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Mark II

Joined: Wed May 18, 2016 11:05 pm
Posts: 53
Ooops... forgot. And possibly the two LDR's.

_________________
MKIIC+
2:90
4x12 Recto Cab w/ Eminence and V30's
Home made 2x12 half open cab w/ Eminence and V30's
Rocktron Patchmate, Rocktron Intellifex, TS10 Tubescreamer


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 Post subject: Re: 2:90 Parts list
PostPosted: Sat Jul 28, 2018 12:00 pm 
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Mark II
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Joined: Fri Oct 24, 2008 8:28 am
Posts: 94
Location: N.E. Pa.
Hey...man sorry but it was years ago. Honestly don't have a list anymore. Used a combo of Amazon,EBay and Small bear electronics iirc. Was shocked at the time to find it was a bad orange drop that had failed (especially because some very good amp techs had informed me they hardly ever go bad). I say replace the burnt ones and all the electrolytic caps. Pulling the pcb from a 2:90 is a mighty task...you would not believe the $ quotes and rejection I got from techs when I was looking for repair help.
If you are good with a soldering iron and take your time...its very satisfying to do it yourself once it's up and running again.

_________________
Main rack
Stuido Pre
G-major2
2:fifty
art-x15
crate gs-4125 4x12 /
Randall RT412CX
------Rack:2
Digitech gsp2101 dual cpu
Mesa 2:90
Fender hm-412a 4x12


Top
 Profile  
 
 Post subject: Re: 2:90 Parts list
PostPosted: Mon Jul 30, 2018 10:44 am 
Offline
Mark II

Joined: Wed May 18, 2016 11:05 pm
Posts: 53
Thanks for the reply. I ended up getting parts from Mesa and Antique Elect. I started with just wanting to replace the two 10k uf 16 v caps in switching matrix that were leaking and a couple of bad resistors, two Orange drop caps with little burn marks on them. And hard wire power tranny directly to pcb. Since I had the pcb lifted, I'm in the process of replacing all of the filter caps. I bought two LDR's to replace but not sure if ones that are in there are bad. Do you know symptoms? I took lots of before picts so I could re assemble . Yea, my quotes too were ridiculously high as well. Wish me luck when it's ribbon cutting time! Jim

_________________
MKIIC+
2:90
4x12 Recto Cab w/ Eminence and V30's
Home made 2x12 half open cab w/ Eminence and V30's
Rocktron Patchmate, Rocktron Intellifex, TS10 Tubescreamer


Top
 Profile  
 
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