Re: DVD on 405 tv without converter?
Line timbase was often happy at 15KHz even before changing tuning cap - Bush TV 53 comes to mind - parallel IFs as per 405 practice works fine - reverse vision detector and replace sound det with ratio det - although slope detection works after a fashion - didn't use intercarrier sound and was only interested in VHF (being in Ireland) so no need for UHF tuner - this sound arrangement was common in early US sets
Rgds
John
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