Question about Panasonic TH-42PX75U 42 in. Plasma Television

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I'm not getting aqny power from my 46" Panasonic plasma tv

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  • Panasonic Master
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Check and replace the main power regulator board. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

dsacco86
  • 1077 Answers

SOURCE: Panasonic Viera 46" plasma~no sound, no picture

I would use the warranty at Bestbuy at that point. Opening up the TV would most likely void the warranty.

Posted on Jun 28, 2009

  • 65 Answers

SOURCE: Our Panasonic Viera 46

Seems like a hardware problem. Something is probably overheating or something like that.

I would suggest either returning/exchanging the TV (2 wks is usually in most return policies) or if you can't do that, register your TV with panasonic. After registering, call them up for service covered by your 1 yr warranty.

Posted on Aug 15, 2009

  • 1 Answer

SOURCE: my panasonic 46 inch plasma tv has no display, the

i have the same problem on my tv and i call to bestbuy since the tv is only 2months so still on the manufactures warranty the problem is SC Board shorted, and they replaced the sc board.

Posted on Feb 17, 2010

SOURCE: Panasonic Plasma TH-42PX60U, got a power surge.

www.warrantyweek.com/library/.../panasonic-th42px60u-manual.pdf Above is your user manual. http://www.eserviceinfo.com/downloadsm/39216/Panasonic_Th37-42px60u.html
Above is a multipart Service manual, please download. Below is a service manual, it's in Spansih, however there is an online Translation, to english This will help you zero in on the problem. http://www.scribd.com/doc/7581800/RCA-CTC-Chasis-175176177-TV-Training-Manual-Spanish
http://srvman.com/p8u8rouicth42p860urmrvicm28u58l-p-146.html
Above is a pay for service manual. These manuals will give you valuable understanding and information to assist you in deciding what to do.
With this symptom, it is impossible to tell what the exact "Cause" of this symptom is. The LED's do not tell us what is wrong, sometimes it may indicate the "Area" in your case it is the X board. BUT thats NOT where the "Fault is" thats just the part that is affected. These days unlike the "Old" analogue days it just isn't realistically possible to fix anything but the most basic of problems with todays sophisticated units. This is quite apart from the Safety aspect, any unit that can cause a firs or have an explosion, or both, is NOT to be treated lightly, and and the repairer, of the unit is legally responsible, another thing to think about. Also, one must have tools, a Multimeter, a soldering iron, a deslodering iron, an oscilloscope, a signal tracer, tools, and most important of all, a Service Manual, without which, there is no way to even begin to understand and fix it, and more importantly Program it, AFTER it has been fixed. As these days a TV, is a PC, a Tuner, and an HDTV Monitor, and more, all in one. in the "old" days TV"s were more, rudimentary, and built to last for 20 years, and a "Parts" supply was set aside. They usually used to fail for only a few reasons, and they while still difficult, were less difficult to repair. Electrical knowledge was transferable, and they could be and would respond to, This-is-the-symptom-This-us-the-Fix, But that no longer applies, as now, it can be a Fault on I squared Bus, or "Sensor" failure, or it simple may have "Crashed" just like a PC, It could be a Diode go bad, and that will stop the whole thing. You see, in the day, the sets were Very "Fault Tolerant" because they were Analouge, and a faulty, component, or more sometimes, the set would always diplay something usually, and when they didn't it was one of only a few things, sure there are always the horrid ones, and there are pleanty of those, but all in all it was quite easy. But with Digital Electronics, it either goes, or it doesnt, there are usualy few half measures. I mean thats the definition of logic either going or not. So it can take very little to completely paralyse a set, and generally give the only sysmptom, it can, by not working, usually No picture, or the like. So you, see the list is endless almost for any given SYMPTOM, as that is what is being seen, not the cause, as I keep going on about. Also any fault, usually involves the Power Supply, it is either the cause, the cause of the damage, or it is damaged. or ALL of them. Then after you have done the electronic repairs, you then must program the set to work, and align, and set up in general, any one of those settings missed or done wrong, back to square one. So, it is nearly always my professional opinion that one should always get a "Quote" form the manufacturers recommended service center, Panasonic, in your case. Now,I cannot stress how important that last point is. It is even worth the cost of shipping. you see an authorised service agent, will have trained staff, trained on their brand, also they have first hand access to parts, original parts. This will actually save you money and ensure you can actually get it back fixed. Of course asking for a "Quote" also gives on the option of repair or replace. Often my clients,do not go through with repair, unless it is moderate, but in some of the more costly jobs they see it, as do i, that a replacement, with a warranty, is a better option. As an aside here, one could then tear the TV down, and sell the Known Good bits. You'd be surprised who needs parts, i myself often must by from third party sources to effect a repair. So money could be recouped, somewhat,and help out someone

Posted on Jun 04, 2010

  • 1 Answer

SOURCE: I have a panasonic plasma tv. Model #

I don't know but I'm having a similar problem. I have a plasma
TH-50PZ77U. It will run for a while and then shuts off. Also, the volume goes up and up and then it shuts off at times. Like I have a ghost here. I had both of my sat. recievers replaced. It seems to get worse over time with shut down. I called panasonic and they had no info and denied this was an issue but I beg to differ from my research here online. It's only a few years and we paid lots of $$$. They gave me a # for service 1 hour away!

Posted on Jul 11, 2010

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These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/

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Our Panasonic Viera 46


Seems like a hardware problem. Something is probably overheating or something like that.

I would suggest either returning/exchanging the TV (2 wks is usually in most return policies) or if you can't do that, register your TV with panasonic. After registering, call them up for service covered by your 1 yr warranty.

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I would use the warranty at Bestbuy at that point. Opening up the TV would most likely void the warranty.

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