UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

FERNSEH · 15th Jun 2018, 8:15 pm

"The sawtooth bent on the top."
Hi Roger, Is that the sawtooth waveform displayed on an oscilloscope or the image on the CRT? The latter might be "hooking" which is caused by instability of the frame sync at the start of the scan.
Are you supplying the receiver from a 625/50 source or 525/60?

DFWB.

15th Jun 2018, 8:15 pm	#40
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: Firestone 13G3 Television "The sawtooth bent on the top." Hi Roger, Is that the sawtooth waveform displayed on an oscilloscope or the image on the CRT? The latter might be "hooking" which is caused by instability of the frame sync at the start of the scan. Are you supplying the receiver from a 625/50 source or 525/60? DFWB.