[Boatanchors] Marcus Covering Solid State Question

[Ken Woodside, WB8EQO]

Hello to All B.A. Friends!

I an interested in servicing my fleet of boatanchors
i.e. Heath HR-1680, HW-101, Gakaxy GT-550, Drake 2C...

All have solid state components in receiver section. 
I own Marcus - Elements of Radio Servicing circa 1957
-
but it pre-dates solid state devices.

Do the 1973 edition of this book or the 1967 edition
cover solid state receiver servicing ideas?

Many thanks in advance!

Ken WB8EQO

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