There may be some bad parts hiding in the subchassis that
holds the 6BE6 second mixer and some IF cans. How hard is it
to remove and replace the subchassis? Any hints?
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There are paper capacitors in the subchassis that must be replaced.
There is no easy way to remove the thing: just disconnect the wires
going to it (mark them well!) and unbolt it. It is really no big
deal, just go through the steps. --Ed