OK I found my Sams. This is much like an E-32 chassis.
Only thing I remember was FBT's, filter cans & a shorting zener
that killed audio or 32 V IIRC.
If the HOT drive is good & stays on look at FBT secondaries.
You can safely scope them to look for nice clean spikes with no ringing etc.
Also pull & look at C457 for cracks , bulging or heat. ( C-E of HOT )
enuf fer now
Zeno
LFOD !