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My tv had a red key in left bottom corner.. now tv will not turn on at all. can you help to get it back on?

Do not have remote only universal

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  • Master
  • 477 Answers

Replace red key

Posted on Nov 12, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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djchillsnyc
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SOURCE: red light blinks 9 times on Panasonic TH-42PZ77U

hello, panasonic plasmas have a safety shut down circut to protect the main panel when a short is present or internal circut panel is non functional some info i found in the service manual for 10th generation plasma
if your tv is still under warantee take advantage of the pany free service other wise it is a matter of exchanging the defective board then you will need electronic skills for this repair if you plan to do it yourself. it would be wise to have a skilled tech check it out and give you a estimate there are some techs that will come out and check it for free and give you a repair price.

here are some repair manual tips for blinking panasonic .. i didnt find 9 blinks on this manual i may be using a different manual but these are panasonic plasma blinking fault tips for 10th gen
becuase all models have different blinking codes you may need the model specific service manual

for 10th gen model some models 2008,2007,

8 Blinks SOS:
Pin 91 of the MPU IC9003 monitors the status of the SS board. During normal operation, pin 8 of connector SS23 outputs a low to pin 91. If the SS board becomes defective, a high is provided to pin 91. As a result, the unit shuts down and the power LED blinks 8 times.

9 blinks panel config sos

10 Blinks SOS:
The SUB5V and DT9V sources created on the A board are monitored by IC1100. If they are not present at pin 30 and 34, the MPU shuts down the unit. The power LED blinks 10 times.

10 Blinks SOS:
The F_STB_15V of the P board, as well as the derived SUB5V and DT9V sources are monitored on the A board for excessive current. If a short circuit is developed in one of the supplied lines, pin 114 of IC1100 receives a high. The SUB5V and DT9V lines are also monitored for excessive voltage. When an over-voltage condition is detected, a high is also output to pin 114 of IC1100. The DT9V is provided to a DC/DC converter to create the BT30V for the tuner. If the BT30V becomes excessive, a high is output to pin 114 of IC1100. A high at pin 114 of IC1100 causes the unit to shutdown and the power LED to blink 10 times.

hope this helps..


Posted on Dec 09, 2008

dsacco86
  • 1077 Answers

SOURCE: curtis lcdvd2223a powers on for a second then turns it's self off

Sounds like "Protection Mode". The TV automatically turns itself OFF when a part inside the TV has failed. This mode keep the other electronic parts from being damaged. 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. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. 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, schematics, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15 by searchingon the internet with the part number.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


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

Posted on Jul 20, 2009

  • 1 Answer

SOURCE: tv won't turn on. blinking red light in lower left corner

unplug the television...wait 10 seconds and then plug back in....if you listen carefully after 5-10 seconds you will hear a click sound (the same sound that you hear when you turn on or off) ...once you have heard it, turn the TV on again using the remote. Do not turn on until you hear the click. If this does not work, try again but turn the TV on again before you hear the click. I dont know why it happens but it is as if the TV gets confused as to whether its supposed to be on or off. Most of the time, the solution is to turn it on after the click so I would always try that first.

Posted on Feb 22, 2010

  • 8457 Answers

SOURCE: I have a 42pfp5332d/37 plasma tv. I can not turn

U know basic electronic's and soldering?Take ur tv aparts,where the A/C cord goes that power supply board.Searches all around the power supply board and it supporting boards.Look for these defective parts call capacitors,these capacitors have lekages of gases in one or two years of the tv in used,they alway bulges up it top,puff up it top.These capacitors are dead,replaced them u will stop hearing cliking,and have ur tv power back.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on May 07, 2010

SOURCE: tv will not come on. Red light in corner is on

It is a problem with the power supply. Most likely they are bad capacitors just repaired one with the same problem. two capacitors were blown. the caps were not blown open just swollen. remove them and sauder on new ones and shes good as new. now if only I can find a dvd replacement for it for cheap the one on this one has crapped out

Posted on Jun 01, 2010

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