06-10-2023, 07:19 AM
After checking the socket and foil connections and redoing the grounds as MrFixr suggested, I would take voltage measurements on the CRT. It sounds like the biasing of the grid and cathode could be off and momentarily comes into range as the set powers down thus briefly producing a raster!
Ron
Ron
Bendix 0626. RCA 8BX5. RCA T64
Philco 41-250. Philco49-500
GE 201. Philco 39-25
Motorola 61X13. Philco 46-42 Crosley 52TQ
Philco 37-116. Philco 70
AK 35 Philco 46-350
Philco 620B. Zenith Transoceanic B-600
Philco 60B. Majestic 50
Philco 52-944. AK 84
