UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - My first foray into Old model TV repairs. Ferguson 991T.

Heatercathodeshort · 23rd Sep 2020, 8:23 pm

It could be worse. The socket mounted on the angled bracket is for the Ferguson type 'A' Band 3 tuner. The small metal rectifier bolted to the left chassis member provides bias for the video output valve. The ion trap appears to be missing from the base of the tube neck. It is a late production model. If the tube has gone to air the heater will not glow but the neck will get warm. These present a lot of just about doable work. It looks original enough.
Try to get something singing with the minimal amount of work. The droppers may look a mess but will work ok. It is a PL81 by the way not an EL81, just a typo I guess. J.

23rd Sep 2020, 8:23 pm	#2
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: My first foray into Old model TV repairs. It could be worse. The socket mounted on the angled bracket is for the Ferguson type 'A' Band 3 tuner. The small metal rectifier bolted to the left chassis member provides bias for the video output valve. The ion trap appears to be missing from the base of the tube neck. It is a late production model. If the tube has gone to air the heater will not glow but the neck will get warm. These present a lot of just about doable work. It looks original enough. Try to get something singing with the minimal amount of work. The droppers may look a mess but will work ok. It is a PL81 by the way not an EL81, just a typo I guess. J.