Date   : Sat, 24 Apr 2010 19:20:27 +0100
From   : zeem.uk@... (Alex Taylor)
Subject: Model B Sync issue / Master 128 PSU issue

On 24 April 2010 18:24, adam colley <hideki.adam@...> wrote:
> Hihi
>
> Anyone know what'd cause the composite sync to be missing from the RGB
> output but present on the composite out?
>
> Looks like this machine has been quite modified, it's one of the ones
> JGH gave away and clearly has a switch to connect/disconnect that pin
> on the back of the machine (and several boxes containing switches/leds
> on the side!) but either way there's no sync..

Have you checked that the switch is working correctly and there's
continuity in the wiring?

It could possibly be the socket. I once had a Beeb that wouldn't work
with a floppy drive, on which I ended up replacing the motherboard IDC
connector with one from a dead machine.

-- 
Alex Taylor