moshpit903
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- Dec 1, 2018
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Now channel 2 high gain channel has lost some grind as well,but it was fine 2 days ago and hasn't lost any volume yet.
I got this amp 2 weeks ago today and once I unboxed it I took the chassis out I did a thorough visual inspection of all components and noticed what looked like some work had been done by V1,looking at the underside of the chassis,now say with the rear panel facing me to the far right is V1 ,and there are 3 resistors between 2 large orange capacitors to the left and 2 medium height black capacitors right at the corner of the pcb.
I did download and print out the schematic and I must say that this pcb is nothing like I have seen before,as in I don't see the #'s or locations on the pcb except under the item(s) that get removed,and also on the schematic not your typical schematic imo..but I can see where its damaged so I guess I will have to take out the large pcb and go from there.?
If any of you Mesa Boogie experts read this and have any tips about these schematics,or any of what I am about to do here,as in maybe resistor values etc please chime in.
I am hoping that once I remove probably all 3 resistors that underneath on the pcb that I will be able to see what the resistor values are and hope that the boards not cooked too bad,I think I can save it because the amp still wasn't sounding so so bad on channel 2,but it was working on it.
I am no expert but I trust my abilities to be able to do the work correctly as long as I can get the proper resistor(s) values and types..I have done mods on my ex-Jet City Custom 22,and their pcb's and soldering pads are tiny and fairly light duty,really easy to melt the solder pads,and I have done repairs on my ex Peavey XXX head,as in replacing the channel switching relay,the 2 FX loop input jacks and the 2 control pots,and replacing the 500k SGR's/screen grid resistors to 1K for the 4 power tubes,so I have done some work on pcb boards,but this repair I have to do on this Recto 50 has a lot to be removed to get the pcb out of the chassis,but I am somewhat prepared so I have to get to work on it now.
One more thing,on the pcb is written in white 2000 mesa//boogie,above that raised into the pcb it has REC 50 S2B 1..Also it has the Scrapple from the Apple in the white lettering.
Ok please remember if anybody here has worked on their Recto 50 V2's main pcb in the same area as I am describing,and has any idea what the resistor values and types might be please let me know here or by PM.
Sorry to have blabbed so long !!
Thank you The Boogie Board and its members !