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Model number tc-50pu54 panasonic plasma tv brightness fluctuates when live tv basketball game is on

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  • 879 Answers

Check and replace its Z-sustain board. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" or "Flipcard" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. You can also click the [Home] tab to see the latest updates. It will make search easy. There are more than 1350 posts to different brand TVs now. Pull up older posts there.

Posted on Dec 01, 2012

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

dsacco86
  • 1077 Answers

SOURCE: my panasonic plasma tv model number th-42px77u

Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

Posted on Jul 08, 2009

  • 205 Answers

SOURCE: How can I get tv audio thru my surround reciever

check to make sure you connected the RCA jacks to the audio output on the tv then go to the set up menu on the tv and select external speakers

Posted on Oct 15, 2009

  • 8457 Answers

SOURCE: I am getting vertical lines scrolling up on my new

Call for warenty service,prob. with ur backlight video board.

Posted on Nov 23, 2009

tvservice306
  • 458 Answers

SOURCE: Thin red vertical line on plasma tv screen, can be

vertical line on screen 80% up pdp panel problem
if you need replaced you can try call bestbuy in home service....

Posted on Dec 04, 2009

  • 8457 Answers

SOURCE: Panasonic plasma viera tv will not auto tune, can

Reboot all cables,satalites,and telicoms boxes.Like unplug,replug the box an hour later.Let the boxes up grade software,go to ur tv menu setup rescan all channels again well get them back.Ur signal not there after that, than ur Tuner Signal board is dead.Need it replaced.

Posted on Mar 13, 2010

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What is the part number that corrects the seven blinking lights on a panasonic plasma tv model tc-50pu54


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Jul 15, 2016 | Panasonic Televison & Video

1 Answer

Panasonic Plasma TC-50PU54 LF21030116 Power light blinks 8 times When I attempt to power on it turns on for split second then shuts down. Is this fixable? thanks.


Yes. It is probably a problem with the internal power circuitry. Look in the circuit board area where the power cord mates with it for capacitors that have bulging tops (instead of the flat tops that are normal). If you see even one, you need to replace all the large capacitors othe power supply section (normally around 5 or 6).

Dec 08, 2014 | Panasonic Televison & Video

1 Answer

I have a panasonic plasma tc-p50s1 half of the screen is black bottom half


My best guess would be that your SD board is bad. On this model think the part number is TXNSD1EDUU.

Apr 02, 2014 | Panasonic Viera TH-50PZ800U Plasma TV

1 Answer

Panasonic tc-50Pu54 dinostic code...


test the ac power 2) main power ac/switch 3)fuse 15aa,and replacemente
see the diagram attached. God bless you
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Jul 20, 2013 | Televison & Video

3 Answers

Pictures shrinks.. Panasonic TC-20LM Television


Shrinking picture is a voltage regulation problem in the switch mode power supply, Possibly a cap used in the feedback circuit. Or an over current condition on the B+. This is a very tech intense repair because there is no magic bullet. If it is shrinking on bright scenes then you can bet it is a regulation problem, bright scenes draw more current from the power supply causing this effect. I would not suspect the horiz output because the regulation for this circuit usually comes from the main switch mode power supply. One diagnostic is to monitor the B+ going to the horizontal output and see if it fluctuates. If so you can bet it is a cap or optical coupler in the switch mode circuit.

Oct 10, 2009 | Panasonic Televison & Video

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