UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Philips 663A combined radio/television 1948

Mr Hoover · 27th Apr 2021, 7:41 pm

Does sound like the ECH35 isn't oscillating,
I had one in an old radio of that period
and it would work at lower frequencies
but just stop as one went higher up
the shortwave band, a new valve
brought things back to life.
Presumably the rf amp valve is OK?

27th Apr 2021, 7:41 pm	#9
Mr Hoover Hexode Join Date: Jan 2007 Location: Faro, Portugal Posts: 269	Re: Philips 663A combined radio/television 1948 Does sound like the ECH35 isn't oscillating, I had one in an old radio of that period and it would work at lower frequencies but just stop as one went higher up the shortwave band, a new valve brought things back to life. Presumably the rf amp valve is OK?