UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - 'Beau Decca 131 projection receiver 1950'

Heatercathodeshort · 13th Oct 2015, 5:24 pm

May not be David. Check all the resistors in the EHT unit particularly the ones in the regulation circuit. Early versions were carbon composition but the ones in mine were all Philips high stability types. The capacitors are leaky after all these years and have odd values. Check the frequency of the oscillator, the blocking transformer could be faulty.

I may have a spare ringing can hidden away.. John.

13th Oct 2015, 5:24 pm	#21
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: 'Beau Decca 131 projection receiver 1950' May not be David. Check all the resistors in the EHT unit particularly the ones in the regulation circuit. Early versions were carbon composition but the ones in mine were all Philips high stability types. The capacitors are leaky after all these years and have odd values. Check the frequency of the oscillator, the blocking transformer could be faulty. I may have a spare ringing can hidden away.. John.