Question about Maxent MX-27X1 27 in. HD-Ready LCD Television

1 Answer

Color patterns When I turn on the TV I get a great picture for about 5 minutes and then I get nothing but a series of colored patterns. Sometimes the patterns just change to an all white screen. I get sound but no picture.

Posted by DeeVee1 on

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1 Answer

Anonymous

Mine did the same thing,I sent my in to costco to be fixed and I was told it was the main board that went out. Hope that helps.

Posted on Sep 01, 2007

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LG 2010 Plasma 50PA5500 good sound, no picture I'm new, and having much the same problem. My LG50PA5500 TV has been working flawlessly since new. The other day, while in the midst of watching a broadcast DTV channel, the entire screen suddenly and silently went dark; sound, channel selection and inputs all work OK. I have checked connections and voltages from: stdby, pwr supply board fuses, psb output voltages to Zsus board and its fuse, output voltages from Zsus to Ysus and its fuses. All precisely normal !! I've also checked voltages to the other control boards, etc. No indications of cap problems, though they will need to be tested with tester in tomorrow's mail. Also a transistor tester coming. The ONLY slight indication of anything amiss, is a (what I would call!!) light "toasting" (no pun, sorry) about 1.5" in irregular diameter towards the center from the copper coil of the Ysus board. I almost "feel" that that would be consistent with fair wear and tear of 9 years use, but of course, heat is the eternal enemy of electronics. I have very closely examined both X and Y boards, front and back for any damage indications. I have not yet touched the Y buffer boards. If that is the next step, what is it that I should check and the sequence to follow???? I'm kind of at a standstill, and need some direction before I start swapping out boards left and right. Any help would be greatly appreciated. Thanx

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