Question about Panasonic PT-56HX41 56" Rear Projection Television

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Need help,pc board panel (CIRCUIT BOARD)


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Re: need help,pc board panel (CIRCUIT BOARD)

This board is no longer available from the manufacture my friend, BUT DON'T Fret! It is available as a rebuilt board from a firm called PTS corp, and they are located at or it might be best to call them at 1-800-844-7871 Good Luck

Posted on Jun 04, 2007

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Where are tha capacitors fo misubishi wd62725 located

1. If you haven't done so already... Unlplug the TV!
2. Remove the rear lower outside panel using a phillips screw driver. Set the panel aside somewhere where it won't get tripped over and broken.
3. Remove the screws from the lower metal panel that hides the electronics and connections. When removing this panel from the back of the TV, there will be an exhaust fan attached. You will need to disconnect the fan's connector in order to set it aside to get it out of the way. Take note that all the connectors inside the TV except for one on mine had the ends labeled with a code so that they could be matched up when it comes time to plug things back in. Just make sure that when you're disconnecting the connectors that you number them or code them if they aren't already marked as there are probably 10+ connectors that will need to be undone in order to get the electrical chassis out.
4. Remove the big metal plate on the left side of the electronics chassis. This will help you get the electronics chassis out of the TV.
5. Slide the TVs power cable up and out of the slot that holds it in place. This will also give you slack to move the electronics chassis out of the TV so you can work on it.
6. Unplug the USB and Firewire connectors from the top of the electronics chassis.
7. Carefully slide the electronics chassis away from the TV. Take note that you will have to start to disconnecting connections now in order to get the chassis out of the TV, I didn't fully remove mine from the TV. There were just too many connections that needed to be undone. So what I did was undo enough of them so that I could set it on a chair, but still connected to the TV.
8. Now the electronics chassis is out so we can work on it. Remove the protective metal housing from the electronics chassis and expose the circuit boards.
9. Now you should be able to see your circuit boards. There are typically two boards that have bad capacitors on them. One is called the DM board and the other the Power board. The DM is the hard one to get to as its the middle board of three. When accessing this board, be extremely careful of the ribbon cables at the bottom and sides of the boards. They can easily be broken, torn, etc... Again, take note of the connections you have to remove and make sure they're labeled. Take a picture of things if you need too.
10. Now that you can see the capacitors on the DM Board, look for a grouping of capacitors:
11. Now look at the Power board. Its the board on the back of the electronics chassis. There are two capacitors to look for here: Photo of Power Board Capacitors Are these bulging or leaking? If so, they'll need to be replaced. Look for others while you're here. I ordered mine from mouser using this part#: Mouser Power Board Capacitors Link
12. Once you have the capacitors replaced. Button everything back up and hope for the best.

Nov 29, 2011 | Projection Televisions

1 Answer

I think I may need a green projector ??????

Hello, I would take it to a TV repair place, they will charge around $50 and let you know what the problem is with it. this is your cheapest way out, it you want to keep it. If you chose to take it please give me a fixya rateing. Thanks, Farren

Jan 10, 2008 | Panasonic PT-56HX41 56" Rear Projection...

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Panasonic PT 51HX41E flickering colors

ok her is a good test for u, bring up the pip on screen and see if the picture is the same as the main picture if at is it sounds like to me that u have a bad pip board that is causeing your problem u can bypass the pip u just need to jump the video in to the video out and sync out and in and remove the pip most of time i have found that the small caps go back on the board and u lose snyc and that is y your picture goes black and white with blinking color in the background. now the stk392-150 is a better chip then what u had in it but convergence problem has nothing to do with color snyc. i hope this will hp u marty

Sep 18, 2008 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Chassis no PTK195MT

I couldn't understand why you closed chat session as I said Hello and got no response.
Your tv requires RCA Part Number: 242676 Board and its available in Parts Store.
Need further help, let me know please.

Sep 12, 2008 | RCA P60921 60" Rear Projection Television

1 Answer


I will need you to look on the rear tag and let me know the chassis number as that model was produced with two different chassis numbers ITC222 and the ATC221 chassis was used, But the chassis number will be on the tag on the rear panel. Please reply to this same post and I will help you locate the power supply board.

Aug 13, 2008 | RCA R52WM24 52" HDTV Projection Television

3 Answers

Panasonic Projection HDTV

Hi odd johnny,

My sincerest apologies. My area of experience with Panasonic models are rather limited to diagnosis and power supplies. May I recommend instead hdtv_guru, techman or terryfic who I consider more knowledgeable and experienced on convergence circuits.

Nonetheless, I appreciate you bringing your concern to my attention and wish I could do more.

I have taken the liberty of pre-informing these gentlemen of your concern.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Mar 25, 2008 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Convergence Problem, need to replace the PC board

see this site
Picture Tube Discharge First of all, If you don't have any technical training, I advise you to take it to a shop for repair, but the old way to discharge the tube is to take a long screwdriver, connect an aligator clip from the steel shaft to ground on the chassis, then making sure you hold the plastic handle of the screwdriver only, slide the end of the screwdriver under the suction cup on the tube, you will feel it hit a metal clip, and if it is still charged, there will be a loud "snap" as the tube discharges to ground. Again, I must stress this can be very dangerous, and I don't recommend you do it, but if your going to work inside the set regarless.... then this procedure should make it safer for you.

Feb 11, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Problem is double lettering PT-51HX41 51

What is the resistor location as shown on board.....for instance,

Oct 29, 2007 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Where can I get parts?

STK392-110=CONVERGENCE IC USE TWO FOR REPLACECEMENT PART= Product Details: The STK392-110 is a convergence correction circuit IC for video projectors. It incorporates three output amplifiers in a single package, making possible the construction of CRT horizontal and vertical convergence correction output circuits for each of the RGB colors using ust two hybrid ICs. The output circuit use a class-B configuration, in comparison with the STK392-010, realizing a more compact package and lower cost.

Apr 12, 2007 | Panasonic PT-56HX41 56" Rear Projection...

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