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murphyv310 · 15th Mar 2023, 11:38 pm

Hi.
I've noticed some sync disturbances on a couple of my remaining collection of 405 sets when using PC generated 405. A quick look at the waveform shows that the video is encroaching below black level and into the sync area. Can't remember if I noticed this before or not.
Any ideas why and how to cure it?

15th Mar 2023, 11:38 pm	#1
murphyv310 Dekatron Join Date: Sep 2006 Location: Kilmarnock, Ayrshire, UK. Posts: 5,422	PC Generated 405 lines question Hi. I've noticed some sync disturbances on a couple of my remaining collection of 405 sets when using PC generated 405. A quick look at the waveform shows that the video is encroaching below black level and into the sync area. Can't remember if I noticed this before or not. Any ideas why and how to cure it? __________________ Cheers, Trevor. MM0KJJ. RSGB, GQRP, WACRAL, K&LARC. Member