27-11-2018, 11:01 AM
(26-11-2018, 08:15 PM)Jayceebee Wrote: If you weren't already aware the Ultra Cub model 6641 is fitted with the Thorn 980 chassis. For no raster check to see if the PL81A is showing signs of overheating, if so you probably have a resistor O/C or gone high value in the line osc stage. Great little sets.
John.
The timebase circuits of the 980 series chassis.
Geordie McBoyne.
