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Hi Doug,
I'm not sure I fully understand the questions but I'll try.
1st, most all RCA part numbers that I dealt with back in the 80's and 90's were 6 digits. I'm not saying there weren't others; longer and with dashes... only that I don't show any in my personal database of TVs and (mostly) VCR's and camcorders that I worked on back in the day. And, the memory doesn't stretch back that far either.
My database for RCA part numbers can only come up with the following part numbers that start with "147", all of which are IC's (probably Hitachi made) and none of which are the complete number you quoted:
147223
147298
147297
147296
147229
147230
147339
147340
You asked other questions: RCA cross reference on microfiche? Yes, definitely.
"Program for the computer"? There may very well have been. "Partsfinder"? or "Partseeker"? One of those was Philips.
Website? Not to my knowledge. I got out of making a living repairing consumer electronics by 2001.
Sorry, that's the best I can do.
Brian
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