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jimbob · 12 May 2017, 23:46

I think wonky references to the video encoder could cause this. Check carefully the circuits to pin 13 and 14 of U12. Double check your replacement C459 and C460.

From memory Vref on pin14 should be about 2V.

Check your cables are good too.

12 May 2017, 23:46	#5
jimbob Registered User Join Date: May 2006 Location: Kilmacolm Age: 46 Posts: 632	I think wonky references to the video encoder could cause this. Check carefully the circuits to pin 13 and 14 of U12. Double check your replacement C459 and C460. From memory Vref on pin14 should be about 2V. Check your cables are good too.