Folks...for those who have dived into the Final Amp section of the TR-7A, is there a trick to getting to the back of the PA board/removing the heat sink?
?
I have removed all of the mounting screws, including those for the TO-220 transistors, as well as the small allen heads which ground the final amp emitters. Won't budge and am concerned about cracking the board. I am trying to replace the +5V regulator U2301 and my assumption is that I need to unsolder it from the back side.?
?
Thanks...
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Craig/W8CS
Greenville, SC
Craig W8CS