> On Tue, 20 Jun 1995 14:31:30 +0100 (BST), Tim Paveley said: > My bet is on the oscillator circuit containing the 4.43MHz crystal (which > is a shame as I haven't got an oscilloscope and wouldn't have a clue how > to fix it even it turned out to be that). > > Is my information wrong or is this circuit a kludge? My info says that the > video chip expects either a 8.9 or a 17.7 MHz clock (can't remember which), > whereas the crystal is in fact just 4.43MHz.
I'd expect it to be more a case of the signal getting damped somewhere than being at the wrong freq -- IIRC, the xtal /should/ be 4.43MHz. Simon
