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    Super Corona Dope The source for the MG...

    Super Corona Dope
    The source for the MG Chemicals Super Corona Dope P/N 4226-55ML is Mouser Electronics, their P/N 590-4226-55ML @ $11.06 55mL bottle. thank nevetslab for this info
  2. Saw them in the 80's , on their first "last tour...

    Saw them in the 80's , on their first "last tour ever" with Kenny Jones on drums , they were impressive ,but agree he wasn't Moonie.
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    Just a note , I replaced C34 on the BJ3 I had

    Just a note , I replaced C34 on the BJ3 I had
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    From the manufacturer , last I knew you could...

    From the manufacturer , last I knew you could still get NICD/NIMH packs rebuilt at Batt +/Interstate centers. A little pricey but cheaper than buying new interchangeable Li ion + charger.
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    Is the noise consistent or intermittent ??? Did...

    Is the noise consistent or intermittent ??? Did you also pull the phase inverter tube as nickb suggested ??
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    can we get before and after pics:p

    can we get before and after pics:p
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    Just have to ask , have you replaced the jacks ??...

    Just have to ask , have you replaced the jacks ?? Double check all your pot connections as well if you can, all vulnerable culprits. Did you order one of nickb's boards ??
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    We have an electronics recycle center , doesn't...

    We have an electronics recycle center , doesn't cost anything to drop off . City has a once a year hazardous waste collection site as well , you may want to check around your area and see if...
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    Have you tried plugging the charger in and taking...

    Have you tried plugging the charger in and taking an actual output voltage reading ??
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    They were playing a club , amp was good for sets...

    They were playing a club , amp was good for sets 1&2 , set 3 no sound , power light on, no fuse blow , just no sound . Amp was repaired before when the owner installed new PT's and broke every...
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    Went back and added re-trace jumpers to suspect...

    Went back and added re-trace jumpers to suspect looking pins, not much I could do with 1,6, 8 , so I wrapped with a doughnut piece of wire and soldered those, put some corona on them as some sort of...
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    Thanks for the reply Pedro,the pic in post #1 is...

    Thanks for the reply Pedro,the pic in post #1 is pre repair , an attempt to see if re-flow was an option. I'm green but I would never leave anything looking like that. I have since de-soldered and...
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    Seen 2 others on Reverb that didn't look right,...

    Seen 2 others on Reverb that didn't look right, didn't see this one, looks like it would work, thanks nickb. Have repair done but it's not re assembled yet.:offtopic: I noticed in the pic a resistor...
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    The owner had a heavy hand when they tried...

    The owner had a heavy hand when they tried replacing tubes , popped the connections,including some pads on both v4 and v5 . On a 1st attempt to re seat them that pin 1 pad lifted out with the iron...
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    Blues junior III tube socket

    Any suggestions on this repair?? Is point to point my best option?? I haven't been able to find a replacement board
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    54325
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    This sways a bit off topic , installed 10k trim...

    This sways a bit off topic , installed 10k trim pot for bias ,a thanks goes out to Leo_Gnardo , it's a bit ugly.
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    I put a toothpick along side of R51 and folded the trim pot over and hot glued...
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    Thanks g1 , I didn't swap it over , I was suspect...

    Thanks g1 , I didn't swap it over , I was suspect that it was part of the cause of the trace burn, along with cracked solder joints on the socket , and didn't want to burn the V4 trace. But it didn't...
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    https://music-electronics-forum.com/showthread.php...

    https://music-electronics-forum.com/showthread.php?t=49045&highlight=blues+junior
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    Replaced V5 with a known good tube , calmed to...

    Replaced V5 with a known good tube , calmed to 3.2vdc for V1 . So a new set of matched EL84's is recommended , now to try Leo_Gnardo bias mod on R52 correct ??
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    Need bias help ! I've repaired the burn, replaced...

    Need bias help ! I've repaired the burn, replaced D12 just as a precaution , powered it up on a limiter no adverse reaction, powered up without limiter all seems good , have sound no annoying hums ....
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    How can I check for stray resistance ?? Do you...

    How can I check for stray resistance ?? Do you mean make sure there are no connections from the burnt traces to other traces that shouldn't intersect ??
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    Thanks for the info G1 , because of where this is...

    Thanks for the info G1 , because of where this is on the board, I'll opt for the Corona.
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    Yes critical area , that's why I'm looking for a...

    Yes critical area , that's why I'm looking for a sealer, but I only need a fingernail polish bottle not a quart /and have found but shipping:mad:. V5 El84 tested great (Russian Groove tube) , socket...
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    Do you use any sealer of any kind after ?? I see...

    Do you use any sealer of any kind after ?? I see nevetslab mention the Corona
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    Thanks Dude , I was going to ask what others...

    Thanks Dude , I was going to ask what others would do to deactivate the remains:thumbsup:
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    Thank You nevetslab !!!!

    Thank You nevetslab !!!!
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    Blues Junior trace be gone

    I just got this in , no sound , powers up , all tubes are lit , slight hum from the speaker . First suspect the cheesy input jack , get access to the back of the board surprise:surprised: trace taken...
  28. Sounds like you have your foot in the door with...

    Sounds like you have your foot in the door with them with previous business , contact them and explain what you want, and what you were disappointed with before . A place to start :thumbsup:
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