Yeah, if I don't want to unwrap those bundles, I think the transformer, fuse holder and board will come out as a package. There are some wires soldered to the control board as well so it'll be a balancing act unless I want to start desoldering those, too. And I don't, really. Not for one transistor. So. That's a tomorrow project. I looked at Mouser and Digikey but neither of them cross-reference to 2CS1645B. NOS, yes, in the States (I'm in France), $17.95 a pop plus shipping, plus customs....for a transistor. $0.76 AliExpress but who knows what reference or what I'd actually receive. This whole project has waited 30 years (transferring tapes to computer) so tomorrow I'll just see if I can get THAT whole mess out of there and just stare at it until I can find a transistor. No big rush...keep calm and carry on, as the Brits say.