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TH-42PA25 blinks 11 times fast and long blink on the 12th then starts over again been trying to find trouble code chart and service manual for this tv just would like to find which board to start with first on repairing which honestly think it's the power supply board have for big caps that dont look very good

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: TV won't power on, repeating doulbe red light blink

Question Television is not working, screen is black, blinking red led.
Answer Television is probably malfunctioning due to electrostatic discharge. Try resetting the television by unplugging it from the power outlet for 10 seconds.

  1. Make sure that the power cable on the display and the VGA cable with trailing audio cables are connected correctly (use the originally supplied VGA cable.) between 'MONITOR' of the TV and 'VGA1' of the display.
  2. Make sure that the display is switched on.

Posted on Jan 24, 2009

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SOURCE: Doesn't power on - Amber LED Blinking

Here's how I fixed mine...

Look inside the back of the TV just above the power cord - there are two small LEDs, one green and one yellow (no need to open the case - you can see them through the cooling slots). In my case, the green LED would light for a few moments after plugging the TV in, then the yellow one would light and stay lit.

Go to the Toshiba site and download the latest firmware upgrade.

Copy the firmward upgrade to a SD memory card using your PC (SDHC cards larger than 2GB don't appear to be supported by the TV, so use a smaller one). I copied *both* the zip file as downloaded from Toshiba, and the contents of the zip file. That is, I expanded the zip file and copied the contents to the SD card as well.

There's a metal cover over the SD card slot on the back of the TV. Remove it (a single screw)...at one point, Toshiba has directions on the firmware download web site.

Unplug the TV and insert the SD card. Plug in the TV again, and in my case, those little LEDs stayed green. I saw none of the instructions on the TV screen - rather I just let it sit for about 10 minutes, then I unplugged the TV, removed the SD card, and plugged the TV in again. Viola - the TV works.

I'm thinking perhaps Toshiba uses a type of memory that requires battery backup, and if the TV is unplugged for an extended period of time, it's necessary to re-flash it.

Posted on Jun 21, 2009

  • 1 Answer

SOURCE: TH-42PX60U wont turn on. Blinks 10 times.

What I'm learning is there are several models of Panasonic TV's that have a video card that doesn't play well with HDMI applications and the end result is, you need to call this number and not only make arrangements to replace the bad board,but also this!
Your model doesn't show below,but I'd certinly inquire about the necessity of a "Firmware" update!,,,Panasonic knows FULL WELL they have a HUGE problem here!
Hope this helps!

At panasonic.ca I found the listing for the fw update under customer support-important notices

If you own a plasma TV with model and serial number within the range specified below, please contact our toll-free VIERA Concierge hotline service at 1-866-330-0014. A VIERA product expert will arrange an in-home software update for your TV at your convenience.



Model Numbers Serial Number Range

TH-42PZ77U

TH-42PZ700U **71250001 ~ **80189999

TH-42PZ700UA

Posted on Jan 29, 2010

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SOURCE: samsung ln40a530 blinking red light, no video

Blinking lights are usually an error code. Do you have a manual that will decode the number of blinks? Its not always the power supply.

Posted on Apr 21, 2010

  • 8457 Answers

SOURCE: plasma 50 inches dont turn on

The power supply board is dead.Tries the websites like Shopjimmy.com,Ebay.com to buy the refurbish power supply board for the replacement.

Posted on Jun 22, 2010

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Panasonic TCP54VT25 turns off after 30 sec., light blinks 11 times


These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

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Panasonic model th42pz77u no pic, no sound, blinking red light ten times


9.2. Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
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2 Answers

The TV will not power on and the red light blinks 6 times.


This is a basic blinking error code table:--

Error Code Table


0 = No error
1 = X-ray protection, E/W protection, and/or Vertical protection active
2 = High beam current protection active
3 = Reserved
4 = +5V protection active
5 = Signal Processor (IC 7150) register corrupted
6 = Signal Processor (IC 7150) error
7 = Total failure
8 = Internal RAM error (Microprocessor IC 7000)
10 = NV memory (IC7088) addressing error
11 = NV memory (IC7088) size error
12 = Histogram (YUV) (IC 7770) error
14 = Sound processor I²C error (TDA9855)
16 = Main Tuner I²C error (IC 1125)
17 = PIP Processor I²C error (IC 7350)
18 = PIP Tuner I²C error (IC 1127)


But in most cases the power cord is "defective" as it's a common issue.try with new cable 1st or else follow the chart and replace the part as per coding chart on main board.

This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

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