Question about Zenith A27A23W 27" TV
My Zenith TV is several years old, but lately the color is going bad. The screen is mostly green tinted, and no matter what adjustments are done to the color, nothing seems to help. Not sure what part needs to be replaced, or even if repairing is a cost effective option.
Picture tube malfunction
Posted on Mar 01, 2008
MINE IS DOING THE SAME THING! I looked in back and it showed VR"s for all 3 colors on the partial schematic. when i looked for them on the board there are marked spaces for the vr's but none are there. i guess it is now adjusted thru a service modew possibly using the remote can anyone help with the color adjustment proceedure (for tech)?
Posted on Feb 02, 2007
I AGREE WITH MR TECHMAN, IN ADDITION TO THE SOLUTION SOMETIME OR MOST OF THE TIME THE PROBLEM IS ON THE CRT CIRCUIT SPECIALLY THE TRANSISTORS,,,HOPE THIS WILL HELP TKS...
Posted on Jul 27, 2006
Sounds like tyo me that the picture tube is getting soft on ya!!. Its a common factor that occours with all tvs but mostly with zenith. A service tech might be able for a small fee rejuvinate the picture tube but theres never a warrantee with this type repair. Its not something a user should attemp to do as theres hi voltage inside this set even on the tube socket after its ubplugged for awhile. Seek the advise of a repair pro to see how bad the tube is. Good Luck
Posted on Jul 02, 2006
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Posted on Jan 02, 2017
Your problem is a bad connection on the CRT socket on the CRT driver board, a bad connection in the RGB driver supply from the video jungle IC or maybe even an intermittant Picture tube. the only way to tell would be to tap on the crt board while the sets playing with a non conductive insterment, and see if it changes. Now there is alot of HIGH VOLTAGE at this spot, so if you have no TV repoair experience Please stay safe and call in a pro to assist you. Good Luck Please dont forget to rate this thread.
Posted on Nov 12, 2006
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