Quote:
Originally Posted by DaveWM
pretty sure it is cathode voltage issue from the video out tube. plate V is to high, looks like the video out 12GN7 tube cathode bias resistor/pot drifted up, causing the tube to not conduct enough, resulting in the high plate voltage.
|
That's a possibility, high plate voltage on the video tube (presumably from being more cut off than it should be) would also result in higher CRT cathode voltage, which would in turn cut the CRT off more. Worth looking into, IMO.
Quote:
|
I agree the pots on the back are cheap a$$ stuff.
|
Sure are!