01-05-2013, 12:05 PM
(01-05-2013, 10:48 AM)AlanBeckett Wrote: The big bright blob on the Screen rather indicates that the other electrode voltages are a fair way out though.
Alan
Check the focus voltage at the wiper of the focus pot. And does the 'blob' change shape as the wiper is adjusted?
Are there any resistors between that PSU board and the base of the CRT itself? If so, they need to be checked for their values.
Al.
