Usually a bad tube will be to green or to red(USUALLY)in my experience. Compare the CBE voltages on all three of your CRT drivers, odds are you have lost the green or red. If all have the same values then I would begina to suspect the crt. Good luck Terry Wilbert Bolden wrote: > > chasis 14-12181 > got this zenith in plays well but picture all with blue color > maybe bad crt i dont have a crt tester i found q503, q5104,q5105 discolored > i can't read does any one know these values also does any one have schematic > if so please e-mail. also does any one know what else to check. thanks > wilbert > bolden's electronic repair > rt 1 box 55-d > forkland,al 36740 > wbolden@xxxxxxxxxx > > ================================= > Help make your TechAssist database better! > Submit your fixes here: http://circuitwork.com/techassist/tip/#tips > ================================= > To UNSUBSCRIBE your email address, click here: > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe ================================= Help make your TechAssist database better! Submit your fixes here: http://circuitwork.com/techassist/tip/#tips ================================= To UNSUBSCRIBE your email address, click here: mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe