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If your set has a pair of 5U4 tubes on top of the tranny PULL them out..then run it for maybe 20 minutes. If the tranny does NOT get more than warm...after say five minutes...it is likely OK.
If yours is a LATER 7 with silicon diodes on top of the chassis and NO 5U4 tubes on top of the tranny...you will need to cut ONE lead of each diode loose--to remove the B+ load fro the ckt--to do the tranny test. Just clip one lead on each diode ...leaving enough to re-solder. then do the test above.
If... in ether case..after ten or more minutes the tranny is not toto hot to touch...it is likely just FINE..
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06-14-2015, 10:38 PM
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