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MT42PZ10 LG plasma

Problem no picture the IC on the drive sus is the problem and my problem is i can not identify this IC... is unmarked and doesn't show up on the service manual supplied by LG direct. do you have datasheet on YPPD-J014A, or STK795-811A so i can see if is the correct item. The IC have 21 PIN connections. In this board the are mounted two IC the same like, the STK795-811A i did found searching on the internet. same people the have the same problem i do have, with this LG monitor TV MT42PZ10. Could you Help with my problem............ Best Regards Enzo Astone

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  • lilou Aug 19, 2008

    the page of menu deplaced why i will corrected



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I have the ic in stock,, it is 69 dollars.

Posted on May 23, 2010


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I have a LG plasma TV. Had no picture. Changed Y Sus board no help. Changed Logic controller and got picture.

try change z-sus board or change back old y-sus if have same picture it is 99% is z-sus if dont y-sus the new one is also bad faulty

Mar 03, 2017 | LG Televison & Video

1 Answer

Hi There, I have acquired an LG RT42PX10 Plasma, nil picture, power led goes green. I have checked the power supply pcb, all main voltages Va, Vs within spec. Have audio. One big cap on the Y sus is...


If you have a bubbled on you r Y sus board you need to replace the cap if you can find it or you can
replace the the Y sus board. 6871QYH029A SUS Y

Thank you

Nov 02, 2010 | LG RU-42PX10 42 in. HD-Ready Plasma...

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Picture not clear, mostly black.

Well you most likely will need a technician or if you have technical ability........the Y sus board which operates the drivers of the plasma some instances it will need both the y sus and the z sus boards.........the repair could range between $300 and $500 . be sure to go to an LG auth service. If you would like assistance on how to repair your self,let me know!!

Jun 02, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

The screen on my LG tv is not showing a picture. it has red and green pixels in the centre of the screen and has sound only.

y-sus board bad but make shure you look at buffers for pop marks there will be small ic.s on each buffer board look for small white pop marks on them but most likely its just the y-sus board

Feb 03, 2010 | LG RZ-42PY10 42 in. HDTV Plasma

1 Answer

Sometimes a shadow appears when it changes scene and the black is a bit hazy

This problem happens to plasma TVs usually due to the Z SUS part, Z SUS board and Z Drive Board, malfunctioning. The Z SUS is responsible in resetting the screen for the next picture to appear. If it malfunctions, the image of the previous picture freezes and appears as shadow. Usually, the last image on the screen when you turned the unit off appears when you turn it back on before the actual picture appears.
The usual fix for this is alignment. That is, adjusting the voltages that powers the boards to an appropriate value that is indicated on the back of the panel. You may need the service of a qualified technician to perform the alignment.
I hope you find this information helpful.

Nov 05, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Tv made a loud pop sound then went black...sound and all functions are normal just no picture

This is a common failure in many PLASMAs. One of the boards in the TV blew. Most likely It is going to be the Y-sus but could have also taken out the Z-sus(sometimes called the X-sus) and the Y-drives. These boards put and maitian the picture on the screen. The best way to tell is to check the voltages on the boards to see how extensive the damage was but I would defintly start with the Y-sus.

Oct 08, 2009 | LG 50PX4DR 50 in. Plasma TV

1 Answer

LG 42PC3D Plasma: No picture, good sound

One of the SUS panels will be defect.On these panels you will find several fuses,the panel with the broken fuse must be replaced.
Sus panels are the panels with the big cooling blocks.

Jul 20, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer


Open the back cover and check the fuses on Y Sus Board and X Sus Board. If you can find a blown fuse, just replace that board and your problem will be fixed.

Feb 23, 2008 | LG RU-42PX10 42 in. HD-Ready Plasma...

1 Answer

LG 42PC3RV module LGEPDP burned hybrid IC

If the buffer drive bds. were replaced along with the ysus and zsus and this problem occured it is definately and defective pdp.

Nov 29, 2007 | LG 42PC3DV 42 in. Plasma EDTV

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