Question about Panasonic PT-56WX53 53" Rear Projection HDTV-Ready Television

2 Answers

PT= 53WX42F Hi, I have PT- 53WX42F projection screen tv. The problem I'm have is as followed. 1: when I turn the set on it work for a while thenshut down the power light begin flashing. Once this issue ocurred no button on the control front panel work nor no button on the remote control work. To turn the set on again I have to do a reset by unplug it from the AC out let, then plug it back in. Do any of you now what could cause this problem? If you please respond? Thank you.

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  • Anonymous Dec 22, 2007

    I got the same problem. I unplug the TV and it comes on for about 2 seconds and then the power buttom flashes and that is it.

  • Anonymous Dec 22, 2007

    Does the light blink three times-your set uses stk392-110 i usually replace with stk392-150 or stk392-180 these are more stable. if you have no soldering experience or electronic experience. but if you want the challenge go for it. remember that there can be several thousand volts in this set even when unplugged.

  • John Brown
    John Brown Dec 22, 2007

    Thank for your input. I already resolve the issue, your solution is correct.



    One of the convertuion IC was bad STK392-110 i. I just go ahead and change both of them.



    Again many thanks.

  • John Brown
    John Brown Dec 23, 2007

    I have a 60" Philips projection screen TV.

    Have sound but no picture.

    I"ve change the fly back, horizontal transistor, damper. Unit still remain the same no picture.

    Can you help.

  • ron7hall Aug 15, 2008

    My TV plays for a little while then it turns off as if it has a timer on it. It would turn back on at first now it does not want to turn on the main power does but that is about all. I have a pioneer SD-PS0A3

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This just happened on my TV too, I have the same unit and have absolutely no soldering experience at all. What would it cost to do this myself, and what would this cost to have someone come in and fix it, approximately?

Posted on Jan 17, 2008

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Does it blink three times if so its a convergence problem -your set uses stk392-110 i usually replace with stk392-150 or stk392-180 these are more stable. if you have no soldering experience or electronic experience. but if you want the challenge go for it. remember that there can be several thousand volts in this set even when unplugged.

Posted on Dec 22, 2007

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Hello, I have a 53-inch Panasonic PT-53WX42F TV, and it refuses to turn on. No picture, no sound. All it does is the tiny red power light blinks 3 times repeatedly. Can I fix this myself? What parts do I...


Thats a convergence failure when the led blinks 3 times. Your model uses the PT47WX42 convergence repair kit available from www.tvrepairworld.com the kit contains the parts and the CD with instructions for the repair.

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my tv had the same problem and the B+140 was low. When I measured it, it was 89volts unfortunatly led me to the Flyback tra$former. after alot of troubleshooting work, I realized that the primary is short circuited. Also the horizontal output xsitor heats up alot on start up, thankfully it doesn't blow :)

I've had panasonic flybacks do this before to me. I havn't replaced my Flayback yet but when I pony up the $65.00 I expect (and pray) the TV to work fine. There is an off chance that something like the splitter or the foucus block caused this failure, but I doubt it.


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Sounds like your convergence chips are going. Unless you are real handy with soldering iron I would suggest having a tv repair shop service it(probably cost $200-300). If you are handy then I believe the chips you need are Sanyo STK392-110. There should be 2 of them. be careful if you order them online, there are lots of chinese knock-offs out there.

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Can you tell me how many times the light flashes or is it constant flashing/ It should flash a number of times, pause then flash all over again. Let me know what its flashing.

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1 Answer

Real projection tv model# pt-53wx42f


you need to replace (2) STK392-110s some are 120s 150s up grade to 180s.Also after you replace them you will have to do complete alinement of convergence in order to do this you must have service codes.

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5 Answers

Panasonic PT-53WX42F Picture Problem. Color Distortion.


Your TV most likely has a Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

Dec 03, 2007 | Panasonic PT-53WX42 53" Rear Projection...

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