Members laptop44 Posted April 26, 2009 Members Share Posted April 26, 2009 Turns out after speaking to Mesa that the wire is a ground and should be soldered to the ground wire attached to the speaker inputs on the rear of the chassis. Easy fix . Good support from Mesa Now all I need is someone who replaced that tiny reverb and installed a larger tank and soldered the RCA cablesto the CB Hello I am in need of a picture of the circuit board for the .50 caliber head with EL84's not the plus version. My reverb tank has a short white wire dangling from one end. I dont know where it should be soldered to. I was told its a ground but I want to make sure. Thanks Link to comment Share on other sites More sharing options...
Members tiltsta Posted April 26, 2009 Members Share Posted April 26, 2009 Does this help? Not a picture, but a schematic. Link to comment Share on other sites More sharing options...
Members newholland Posted April 26, 2009 Members Share Posted April 26, 2009 looks like its been modded... the resistor on the bottom is on the wrong side-- does that thing have the lead drive mod? sure looks like it! Link to comment Share on other sites More sharing options...
Members laptop44 Posted April 26, 2009 Author Members Share Posted April 26, 2009 Hey thanks to all. I am not that technical to read the schematic, but I figured its a ground. Just dont know where to ground it on the board. I picked this up at a garage sale. You wont believe what I payed but I do know it was stored in the basement for a while. If its modded I would not know till I see a pic of another board CAn I just solder this to the chassis? Link to comment Share on other sites More sharing options...
Members laptop44 Posted April 27, 2009 Author Members Share Posted April 27, 2009 bump? Link to comment Share on other sites More sharing options...
Members guitarbilly74 Posted April 27, 2009 Members Share Posted April 27, 2009 on the schematics I do see a ground for the reverb so that's probably what i is. Link to comment Share on other sites More sharing options...
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