Question about Maxent MX-42HPM20 42 in. Plasma HDTV

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The 42" Maxent has had the poser supply, also the

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Plasma tvs have horizontal and vertical buffer boards. There are two on the bottom and two on the sides. Without the buffer boards only partial sections of the screen will show picture (even though entire panel is "on"). You need to pin-point the buffer that is responsible and replace it. There are microcontrollers on these with molded heatsinks and are next to impossible to repair, thus a board swap will be needed. You can identify a burnt buffer by the smell (first step) and marks near the microcontrollers (second step)


Please rate if this helped :)

Posted on Mar 17, 2011

  • Andrew P.
    Andrew P. Mar 17, 2011

    By "two on the sides" i meant to state there are TWO on ONE side..top and bottom controllers

  • Andrew P.
    Andrew P. Mar 17, 2011

    I would like to also add that this is why plasmas are difficult for repair, because once a single component blows they daisy chain down the boards and create these types of problems. (Fix one, up comes another)

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Jan 12, 2011 | Maxent MX-42HPM20 42 in. Plasma HDTV

1 Answer

I have a 42 inch Maxent plasma flat screen. Won't turn on. last use picture came on then faded to black. Now at start up, power comes, then there is a relay click and that's it. The only way to turn green...


You have a problem on the power supply on the main board and on the video converter.
Your unit will not power up unless you isolated the faulty parts on the power supply section.
It is quite technical and not DIY so I've advise you to look for a qualified repair shop.
A series of test will going to perform to trace the defect on the unit.

But first before that check if your unit is under warranty. Avail it because the manufacturer of your tv will fix it for you for free or a little charged only. If warranty is already void then it is much better that you will bring your unit to their qualified service center near you.

You can also call the service center to estimate the cost of the service fee plus parts to have an idea if you will send it to repair or buy a new one....

Pls rate my help...

Thanks for using fixya.

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I turn it on and it turns itself right back off


The Zsus and or the Ysus boards are common failures. You can unplug the Zsus board from the power supply and if the power stays on, I would replace both the Zsus and Ysus boards.
I hope this helps,
Skyassoc

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1 Answer

On and off problems


Power Supply issue...i dont have a part number for this unit...but I'd replace the power supply first..........

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