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

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Where can I get parts?

What is a convergence IC and where can I get replacement IC's for my Panasonic PT-56HX41 rear projection tv?

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Re: 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.

Posted on Jun 04, 2007

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Panasonic PT-56HX41 - I have a red light (power) that blinks 3 times and then nothing. The TV went super bright and then the display and audio went out. I plug it in and I click on the power, I then hear a...

The three blinks is indicating that the convergence circuit has failed and shut the set down. You can get the convergence repair kit for your model from which has the Parts and the CD with instructions for the repair

Aug 06, 2011 | Panasonic PT-56HX41 56" Rear Projection...

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Panasonic Cinemavision PT-56hx41e, wording on screen is red?

the convergence circuit governing the red picture has gone defective and needs attention possibly a convergence amplifier IC or and convergence coil at the red CRT went defective

Apr 28, 2010 | Panasonic PT-56HX41 56" Rear Projection...

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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...

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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...

2 Answers

Pow lite flashes three times it tries to turn on then shuts down

LED 3 times blinks shows problem with convergence out section in TV and may requires convergence out ICs replacement.
If you are familiar with TV repair and can solder parts on PCB then let me know to provide you more technical info.

Jul 23, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

No sound and the power light is blinking

I had similar issue with power light blinking 3 times and no audio/video.

The problem was a burnt resistor and gone convergence ICs. I replaced both ICs (safer bet unless you know exactly which IC covers what guns in your specific TV) and the burnt resistor by myself and the TV looks good as new.

Apr 06, 2008 | Panasonic PT-56HX41 56" Rear Projection...

1 Answer

IC Convergence on a Panasonic PT-51HX43

Convergence amp ic bad

Sep 19, 2007 | Panasonic PT-51HX43 51" Rear Projection...

2 Answers

Panasonic blue convergence problem

Yea, you have to have the two convergence Amp IC's replaced. Should run you about 300 bucks or so. Good Luck

Sep 14, 2007 | Panasonic PT-56HX41 56" Rear Projection...

2 Answers


if you can remove the rear panel assy. look for the convergence ic's they start with stk--- and you got the part number you need a source panasonic is 814 source and the number on the ic's stk 390 ----/

Aug 22, 2007 | Panasonic PT-53WX42 53" Rear Projection...

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I need help please...

You will need to replace the convergence output IC's and check the resistors in that circuit.

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

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