Westinghouse H840CK15

[benman94]

Any ideas on what causes that weird swirling pattern on some color CRTs? I had a 21CYP22 with the same damn thing. It didn't seem to alter the picture in use, but it looked like hell when the set was off.

Perhaps RCA continued their prewar policy of selling "lesser" CRTs to competitors and holding the best for their own sets.

The 15GP22 in this set was built in the 13th week of '54.

[SpaceAge]

Originally Posted by benman94

Any ideas on what causes that weird swirling pattern on some color CRTs? I had a 21CYP22 with the same damn thing. It didn't seem to alter the picture in use, but it looked like hell when the set was off.

Perhaps RCA continued their prewar policy of selling "lesser" CRTs to competitors and holding the best for their own sets.

The 15GP22 in this set was built in the 13th week of '54.

Must be a manufacturing defect, right? I don't see how it could happen afterwards. I thought the imperfect CRTs ended up in test jigs, but was there ever a 15-inch test jig? I'm guessing not.

Good luck, I really hope your picture tube is functional.