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Old 11th Oct 2015, 3:59 pm   #49
FERNSEH
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Join Date: Mar 2005
Location: Gateshead, Tyne and Wear, UK.
Posts: 7,444
Default Re: Ferguson 247T: huge console TV set.

Quote:
Originally Posted by ukcol View Post
Really good focus, contrast and linearity, just a small amount of shading at line rate to sort.
It's possible that the 0.01mfd CRT A1 supply smoothing capacitor has gone OC. It's C137 in the Ferguson 203T service manual. Another possibility is the line flyback blanking capacitors, C138 and C139. The flyback pulse present at the line scan coils is fed back to the CRT grid through C138 to effect suppression during the line blanking period..

DFWB.
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