Page 23 of 23

Re: Uh Oh.Electron inbound

Posted: 15 Jul 2024 15:23
by stephen_usher
I think that I saw a thread on Stardot with someone with a similar symptom. I can't remember what the solution was though.

Re: Uh Oh.Electron inbound

Posted: 15 Jul 2024 15:49
by rubber_jonnie
stephen_usher wrote: 15 Jul 2024 15:23 I think that I saw a thread on Stardot with someone with a similar symptom. I can't remember what the solution was though.
Thanks, I'll take a look.

EDIT - I found a 'No Colour' thread, but there was no conclusion. I need to have a poke around the colour encoder circuit, which is IC10, IC14, IC15 & IC16.

RGB output is perfect, so I know it's something to do with that circuit, it may also be worth trying it on UHF to see if that's also affected, though I think it will be.

Re: Uh Oh.Electron inbound

Posted: 16 Jul 2024 11:31
by rubber_jonnie
OK, so it's fixed.

IMG20240716105845.jpg

IC 15 was bad.


IMG20240716105914.jpg

There have been a few dead IC's on this machine, I wonder if it was overvolted at some point.