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Pretty clear in the picture that it is indeed a TAC8341 chassis from 1985. My Sams is marked up for a color problem, but a good start with these sets is to measure power supply voltages - but bring it up on a variac (no more than 90-95VAC) and see if it runs. If so, you have either a B+ regulator problem, a HV problem (typically too high due to problems in the horizontal driver/output stages, or a scan-derived supply issue - a low voltage that is sampled to regulate the HV.
With three caps circled on my Sams by my late father, it's a pretty good conclusion that an ESR check of electrolytic caps in the B+, Horizoantal sweep and flyback secondary are in order as well.
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Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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