Quote:
Originally Posted by PJL
The chokes and output transformer are all good.
I read your post #1 again and it was working but the sound was very weak, so the mains transformer must be working, but the fault might be a problem with the speaker field coil.
You should be measuring the resistance of the field coil on the paxolin board connections between the chassis and the speaker (post #94 picture 3). It should be around 10K ohms. Corrosion on the terminals often makes it difficult to make proper contact with the meter probes.
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I unsoldered the wires going into the field coil and simply measured from the one wire to the other but I take it that was not the right way to do it?