Thanks, good thought, probably have stock of replacement, and easier to change out, than reinstall and problem still there. Have looked at the caps, and they aren't bulging or looking goofy. :) I'm only a hobbiest, and don't have fancy test tools, just a couple of DMM's Spehro Pefhany wrote: > At 04:57 PM 09/11/2009, you wrote: > >> Thanks for the reply, there is only a few resistors and diodes, I'll >> just replace all of them. I think the markings are OK to determine >> values. Probably the transformer voltages can be measured and educated >> guess what to replace it with if need be. Probably I can check the >> resistance of the transformer windings. I'm pretty sure it's center >> tapped, then the resistance of both sides should be close. :) >> > > You might want to also look at the power supply to see if the electrolytic cap > has died, which could result in the current to the display varying. > > Try paralleling it with a known good one of similar value and same or > higher voltage rating if you don't have an ESR meter handy. > > Best regards, > > Spehro Pefhany --"it's the network..." "The Journey is the reward" > speff@interlog.com Info for manufacturers: http://www.trexon.com > Embedded software/hardware/analog Info for designers: http://www.speff.com > > > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist