I have a 1969 Zenith almost identical to your 1968, my favorite control layout. It is a chassis 16Z8C50 (the first number indicates 16 tubes) due to 1969 set using 4 fewer tubes, as 12-pin tubes were used to replace multiple 9-pin tubes. These were the ever-improving Zenith offerings that made RCA's trouble-prone sets look like pooches in those years.
The newer chromacolor II is an easy one to restore. You can get lots of good advice here. I had an Avanti (used a fancy while molded plastic base and cabinet sides) with the same 25HC45 chassis, with a remote control (space command) and the paperwork listed the sale date as December 1976.
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"When resistors increase in value, they're worthless"
-Dave G
Last edited by DavGoodlin; 06-20-2017 at 10:31 AM.
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