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Remember all of the DC current for the amplifier passes through these windings on T2, make sure to remove all
of the enamel and tin the wire completely.
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Step 5: T2 Lead forming –
Form the leads on T2 so that diagonal pairs of leads conduct with each other.
This requires a single twist in one of the pairs of wire. In this photo the two wires indicated with red should
conduct and the pair indicated with green should conduct but red should not conduct with green.
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Step 6: Install T2 –
Once you have the leads aligned correctly, insert the leads of T2 into the PCB. The
enameled wires are inserted into the larger hole in the footprint
If these winding are correct, the drain tabs of Q1 and Q2 (indicated by a ‘D’ on the PCB) should conduct with
the positive DC input. Once you have verified that this is correct solder leads of T2 to the PCB and closely trim
the leads, there is very little clearance between the PCB and the heat spreader.