HSC1
A couple days later I got a chance to get back on the HSC mechanism. I had noted earlier that a couple of the record rack dividers were bent so badly the record lift arm would not be able to get past them. I tried bending them back, they are a thick plastic. I then got the heat gun out. That didn’t really work either. I examined it for awhile then saw the solution if it would work. If I could dis-assemble the rack I could swap the bent dividers to the ends where they wouldn’t interfere. In the end it was as easy as the telling of it. Like everything else I just had to pay close attention to detail. I removed an upper bar that freed the tops of the dividers. Now it was a floppy mess just waiting to spring loose and fly everywhere. Or at least that’s how it felt. Looking at the base each group of five were held in place with a couple of hex head screws on a backing plate. I ended up loosening three of these groups to be able to remove the pieces that were bent and reposition them at an end of the rack where its bend was to the outer side and so would not interfere with the lift arm. A small but important advancement. Who would ever expect to find bent dividers?
Having gotten the rack straightened out, in a manner of speaking, I was able to now re-assemble the mechanism. Clutch adjustments had already been made. I aligned the rack to marks made when I took it off and checked mechanism alignment. It was off a hair and that was taken care of. I fastened the tormat in place then the contact block to the arm it rides on. I won’t be able to check that alignment until I have working electronics. But, I can connect 115vac to the mech and watch it scan while tripping it manually. It moved smoothly and no problems were seen.
I looked at the remaining individual pieces of the HSC1 to get an idea on how I wanted to move ahead with them. These pieces are the CCC1 combination power supply and stepper unit with the circuitry for write-in and read out as well. Next piece is a small one-the selector unit. This actually uses an old-style rotary phone dial. I made the bad mistake of tearing the first one I ever did down as far as it would go for cleaning and like to never got it back together. This one I will not tear into the dialling package. Whatsoever. Next up is an intimidating piece. It is the combination AM/FM radio, amplifier with tone and balance controls, multiple signal inputs, and speaker taps. I tested it initially and it had a dead channel with the other one real weak. I will recap it first and see how lucky I get. I won’t do these amps for anyone, only myself. Extremely time consuming because there are several boards that have to be removed that were never intended to remove for maintenance. These are boards that were populated with components and then screwed into place as the amplifier box was being built. It takes extremely careful work to get these boards out with lots of pictures taken and diagrams drawn. It is always last.
My Seeburg Life 