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Predicta Raster Issue
462ron
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#4

06-10-2023, 08:19 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
Bendix 0626.      RCA T64  Philco 20B
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 
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Messages In This Thread
Predicta Raster Issue - by Haydenp121 - 06-09-2023, 07:51 PM
RE: Predicta Raster Issue - by morzh - 06-09-2023, 09:06 PM
RE: Predicta Raster Issue - by MrFixr55 - 06-09-2023, 10:53 PM
462ron - by 462ron - 06-10-2023, 08:19 AM
RE: Predicta Raster Issue - by Haydenp121 - 06-11-2023, 01:23 PM
RE: Predicta Raster Issue - by Bob Andersen - 07-30-2023, 11:22 AM
RE: Predicta Raster Issue - by radiorich - 10-08-2023, 11:33 PM



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  1. The PHILCO Phorum
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