Question about Electrograph Systems DTS42W 42 in. HD-Ready Plasma Television

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LJ44-00025A Can you get me the schematic on this PS board? Or where to get this board? Nothing you mentioned or I could find is shorted. All voltages are correct, except VSCAN is 0 volts. Thank you sir. TheTVPro@aol.com

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  • turuncturkey Jan 30, 2009

    Hi, i have the same problem, i replaced a number of caps & it worked for about 8 months then started to come on intermittently, if you heat the small upright board (top left of panel) the tv operates ok. If anybody has a replacement board i would be interested.

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This might be too late, but i have this board and am looking to sell it.  Let me know if you are interested

Posted on Oct 08, 2008

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Hi, scottjbrown...have you still got that board for sale....and how much do you want for it,....cheers.

Posted on Jun 20, 2010

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So I just bought a new ysus and y buffer boards for my lg 50pa6500ug but I'm worried the PSU may be faulty is there any way to check if it's sending out to much power so that it won't refry the ysus


Good concern. Without hooking up PS to other components, take the appropriate voltage readings and see how they spec out after you insert the PS. U need to get some schematic or something to give you the info you need so you can check out.

Or just get a new one - they are usually much less expensive than the other boards.

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hmmm..so you have power from supply board?

can you isolate the power supply board from control board, via connectors?

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1 Answer

Why doesn't it turn on?


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Feb 29, 2016 | Samsung PN50B850 50 in. Plasma HDTV

1 Answer

What can I check to determine if my TV's Power Supply is bad?


Iv the voltages are low, pull the power line from each of the other boards to see which one is dragging the voltages down. If none ovf the voltages return to the correct value, then the power supply board is gone. You can get all the repair parts you need from here:
http://www.shopjimmy.com/

Feb 19, 2015 | Flat Panel Televisions

1 Answer

Hi, I have an LG42" LCD tv and the red light will


IT sounds like the power supply, yes with a digit meter and some basic knowledge of electronics, you can check and see if you have 110-120v ac coming in to tv and check on board to see if you have low voltage DC going from power supply to main board. You will need a schematic of this set to check proper voltage, but to make sure the PS is putting out then just check from pin to pin if all voltages are low and non 12 or 24 then PS suspect.

Dec 16, 2010 | LG 42LC2D 42 in. LCD HDTV

1 Answer

I have a Polaroid 42" TLX-04244B. When turning the power on the polaroid logo comes on for a sec. then screen goes black with the blue power LED staying solid. Im pretty sure the power suply board isnt...


The Inverter is trying to produce the high voltage to light the backlight. It looks like it cannot hold the charge to maintain the high voltage level in order for it to stay on - you get a momentary display at initial power-up thus see the logo. Replace the Inverter board.

Sep 08, 2010 | Polaroid Flat Panel Televisions

1 Answer

Flm323b power supply


Replace Q2 by 18N50, Q8 and Q9 by STP6NK60 and Z2 and Z4 by !n4739. I have the same problem and fix it.

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1 Answer

Replaced the digital main cba now the voltage is too high in the


Have you tried googling the model number, funai is no help if you dont have a contract with them. Finding schematics for their powersupplies is hard, a majority of the time its better to just buy another ps because many of the parts they use wont cross to NTE. Are the voltages coming out of the ps just high? If they are one of the boards might be bad, I had a funai tv that had a bad board and was keeping the rest of the tv from powering up so the volatges I was getting were high due to the lower load. Also check for a schematic for that specific panel as funai uses LG panels in their stuff.

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5 Answers

Repair tip


I have not encountered this problem but I can tell you what is happening. The switching power supply transformer might be arching. I would get a scematic for this set and begin to look at the voltages on the Power supply for proper functionality.

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4 Answers

Testing the BN96-00249A power supply in an Akai PDP4294


You can get the schematics for the bn96 00249a smps here in pdf format. http://www.wimtv.be/techniforum/files/ps42p3sx_ch._d58a.pdf

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