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Sony KV2145R gots great picture!
I picked it up Saturday and started playing with it Sunday. All 3 screws holding the back were on tight and when I pulled the back off, the main board was covered with so much dust I couldn't see any circuit board components! I truly believe I was the first guy into this TV since it left the factory in April, 1982! After the usual optimization of the user controls the '82 KV2145R produced one of the best non combfiltered picture I have ever seen, rivaling my '54 RCA 21CT55 roundie! I could never bring myself to cannibalize this great, early Sony. It had to stay operational and reside in my lab alongside the RCA 21CT55. Sadly, my Sony KV 2101 would have to go back under the bench and wait for another CRT donor.
The KV 2145R's CRT was a 570JB22, which was 2 trinitron versions newer than the 570DB22 in my '75 KV2101, uses same pin out and assumed to be interchangeable? Both CRTs had their yoke, purity.conversion and numerous magnetic parts epoxied on their CRT's neck and bell. Any thought of changing the CRT seems very heroic and much too time consuming even if a suitable donor was found..........Tom
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