Question about Panasonic PT-51HX41 51" Rear Projection Television

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Powers off after 2 seconds

Hello,
My Panasonic PT-51HX41 powers off after 2 seconds. I have new STX's and the 2.2 ohm resistors. I need to know how to remove the board from those 4 interboard connectors. They look FRAGILE.
Thanks
Ray J.

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  • Panasonic Master
  • 5,138 Answers

Very carefully thats how you remove broad.I use STK392-180s ,and after you replace these parts you have to realine covergence ,you must then have service setup code for teachician and the remote control that came with tv if you dont you will not be able to set convergence.

Posted on Jan 27, 2008

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Posted on Jan 02, 2017

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Panasonic PT-51HX41 51 inch


the blinking power indicator is actually a error code. How many times does it blink as I can assist you if you let me know how many times the led blinks

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those are both .27 ohm 1watt resistors

Jan 23, 2009 | Panasonic PT-51HX41 51" Rear Projection...

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I have a panasonic pt-51hx41 and it has multiple colored images what is the problem


you need to replace both convergence ICs They are both STK392-110 and you will also need six convergence resistors they are all 2.2 ohm 2watt metal film resistors. You can get replacement ICs and resistors at the following link with free instalation instructions with pictures. Heres the link.
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TV powers on for about 5 seconds and then powers off


I really dont think resistors need changing on this make and model first check hori out put NTE2973 capiactor may be burnted 1200pf 2kvolt, this is what i found wrong with customer set after getting tvs high voltage up then i saw that convergence ic needed to be changed out also.If you need more help let me know ive been up all night,will answer as soon as i can.

Mar 06, 2008 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Had a question about the Panasonic PT 51HX41 51 in. projection


The 2.2 ohm resistors in that circuit are the yoke return voltage and yes they could be the problem. Using a dmm or analog meter test the ohm resistance of each resistor. You may find one that is open possibly. But change any that are off by more than 10% and/or obviously stressed.
BTW re-check your solder connections on each of those amp pins. Make sure you haven't soldered two pins together or missed one.
As for the screen, they fit into a track on the framing. Look closely and you'll probably find where it's hanging on the track and not letting the screen seat into the track.
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1 Answer

Where to buy feed resistors?


Acme enterprises in Florida, inexpensive and very reputable...
http://www.acme-sales.net/index.shtml
or by phone at: 1-800-575-9833

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CHECK VALUE OF LOW OHM RESISTORS, THEY SHOULD ALL BE EXALCTLY THE SAME.

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1 Answer

Color registration doesn't fit. The Blue is hanging to one side and it's a bit wider


Color registration doesn't fit?? Do you mean that you have a convergence problem and that the colors are not aligning?
That set uses two STK392-010 and all low ohm the feed resistors out front of the amp should be checked for change in ohm value: R7051, 7050, 7049, 7048 all of them are 10 ohms 1/2 watt.
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go back and check them resistors....with a magnifier and be sure of the color codes...I bet one is way off. and get the manual out confirm each resistor u replaced and even remeasure it. dont mess with yokes or nothing on them tubes! its on the board....check for solder splash too on bottom or shorted pins on stks. if you must just make a big x on screen from corner to corner now cover red and blue tubes. the green should be in center of the x if not move the adjusting 2 magnets near yoke to center it it will have tabs sticking out u might have to move both. after you center adjust red and blue to green. good luck

Aug 15, 2007 | Panasonic PT-51HX41 51" Rear Projection...

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