Is there any kind of brightness control? Does it work at all when the screen goes white?
Sent from my iPhone > On Oct 29, 2022, at 12:56, Cameron Kaiser via cctalk <[email protected]> > wrote: > > >> >> This usually means the timer of the pulse width modulation circuit is >> changing. >> If it’s an RC type circuit, probably the resistor is heating up and changing >> value. If it’s a ic that controls the PWM then check out the IC and the >> components that connect to the control pin. > > That's an interesting thought. It's almost certainly an IC, though I don't > know > the details of the panel (though it looks like it's off-the-shelf, not > RDI-custom). I suppose I could start with what's in the cooling airflow zone. > My worry is if I found the marginal part(s) I'm not sure how I could easily > fix > it (with my luck it won't be a discrete part). > > -- > ------------------------------------ personal: http://www.cameronkaiser.com/ > -- > Cameron Kaiser * Floodgap Systems * www.floodgap.com * [email protected] > -- A penny saved is stupid. > --------------------------------------------------- >
