Question about Mitsubishi VS-4544 45" TV

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Mitusbushi VS-4544 Horizontal lines then looses picture.

Hello All,

I have a Mitsubishi VS-4544 that recently started having some intermittent problems. The television picture is a good as it was when purchased new in 1996, however after some hours on we notice some horizonals lines across the screen. After a while the lines come more frequently then the picture goes out. I opened up the back cabinet, blew out the dust, and looked for any leaky capacitors. The only one that appears a little funky is c953. It doesnt appear like a regular capacitor. After reading around the net it suggests looking for cold solder joints around the power supply and points to resoldering the vertical IC chip. Does anyone have the part number and location of this IC? Any other suggestions? I am awaiting the download for the service manual, so I should have it shortly.

When the television plays, it works perfectly until the problem starts.

Thank you

Posted by on

  • jerry0001 Feb 24, 2009

    my blue is out of wack can anyone help

  • Yegg57 Apr 22, 2009

    Does anyone have any schematics of this unit?
    I think that there are 3 flybacks for the 3 crts, would they all fail simultaneously?

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Can i get a manual for this tv, the blue is out of alighnment

Posted on Feb 24, 2009

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I'll take a guess here that the lines are at a slight angle. I believe that these are "retrace" lines and are an indication that the flyback transformer is starting to fail. The vertical IC would cause a collapse of the picture and bad caps in the circuit would effect the linearity of the picture. You can check for poor solder joints as they could cause any nunber of symptoms.

Keep us posted.
Dan

Posted on Jul 14, 2008

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