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Panasonic rear projection tv fault

TV has convergence fault aswell as vertical flicker and now wont switch on.

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  • hzhzhz Jul 14, 2008

    I have a Samsung SP-54T5HP that won't go, it flashes 3 to 5 times (red) then returns to standby (green). Any known faults would be appreciated as I don't want to get to involved with something I have little experience with. Thanks Steve

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Does the power indicator flash 3 times when you press power? Please respond to this same post and post yur model number I will try to assist you with your problem.

Posted on Jul 09, 2008

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Posted on Jan 02, 2017

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Vertical line on convergence will not move left


Ur convergence are dead.Must know how to solders?Must repalced 2 STK convergence ICS,and some or all it resistors.Go to websites to buy.Tries Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

Mar 24, 2010 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

My panasonic pt-56hx41 tv will not turn on. All it does when you press the power button the red light will come on for a few seconds and goes off. After that it will not do anything untill you unplug it...


projection TV`s have integrated protection circuits
built into the circuit design, these circuits turn the
power off automatically when a fault has bin detected this
is in order to prevent a more costly repair, these circuits monitor
power supply , vertical and horizontal deflection
over voltage, or x ray, and also faults with convergence circuits.
Diagnosing these faults require test equipment and a good knowledge of
electronic repair techniques, and also a repair manual.

Mar 07, 2010 | Panasonic PT-56HX41 56" Rear Projection...

1 Answer

I have a PT-47WX53 that has one vertical bar down the middle of the screen. Barely visible in a purple hue and about 3-4 inches wide. I'm looking for some suggestions. Thanks


A few simple things you may try. Under your menu on the tv look for convergence or it also may be under setup. Run the convergence setup and follow the on screen instructions. If the tv fails to converge while in setup you may need to replace some things however the parts are very very cheap. If your convergence setup works and you still have a bad picture, and or both, meaning the tv's convergence wont align then you may need 1 or 2 IC's and maybe need to change your coolant in the tv's RGB lens...all can be done with little experience and for under 50 bucks. I can give more detail if needed.

Dec 28, 2009 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Panasonic (PT-56HX41PF) rear-projection tv with no picture


The three blinks indicates a convergence IC fault. The convergence ICs must be replaced with the manufacturer replacement part. Use only the original replacement part. Your set uses STK392-110 convergence ICs.
These ICs are mounted on a large heat sink. Yes, you can replace it yourself and save few hundred bucks. But you must be knowledgeable enough on how to solder, resolder and use a multimeter.
You will need:
  1. Convergence ICs
  2. Heat sink grease or thermal compound
  3. Soldering iron
  4. Solder lead.
  5. Digital multimeter
  6. Solder pump
  7. Small side cutter
Feel free to inform me if you decide to replace the ICs yourself

Dec 03, 2009 | Panasonic PT-56HX41 56" Rear Projection...

1 Answer

Red vertical lines, projection tv


This is a convergence problem and needs technical intevention. Some adjustmkents can be done on the rear of some models but rarely fix it for long


Aug 18, 2009 | Panasonic Televison & Video

1 Answer

Tv won't turn on


Unplugging overnight resets the TV.
convergence ic are the most likely gone bad
however it could also be
that you lost power regulation....or you have what seems to be excess Hi Voltage or arcing
Now the regulator could be at fault or your SENSE line could be falsely triggering due to a change in a resistor or zener diode or even a bad sense line from your splitter...
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Dec 09, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Toshiba TV


If you have audio and no video then something is shutting you High Voltage down. It could be many things. Convergence amps(color problem before shutdown) Vertical problems. Bad caps on 200V line.

Aug 28, 2007 | Toshiba 55H70 55" Rear Projection...

1 Answer

Where can I get parts?


STK392-110=CONVERGENCE IC USE TWO FOR REPLACECEMENT PART= WWW.bdent.com 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. www.partstore.com

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

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