Question about Panasonic PT-40LC12 40" Rear Projection HDTV

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I have a Panasonic PT40LC12 that does not come on

Once I hit the on/stanby button, the lite continues to blink and nothing comes on the screen. I notice that that fan in the front does not come on. I know it not the lamp. Please help

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: lamp timer

thanks krasi on lamp timer problem. you knew exactly what to do

Posted on Oct 28, 2007

  • 59 Answers

SOURCE: PT-60LC13

there are fans inside tv need to make sure they are clean and free of dust

Posted on Feb 05, 2008

ladywinn
  • 5138 Answers

SOURCE: Panasonic PT40LC12 turns on and then shuts off after 15 seconds

Ballast Board it what turns Lamp on Call Encompass Parts Distr. or Look on their website.

Posted on Nov 21, 2009

ladywinn
  • 5138 Answers

SOURCE: Panasonic PT40LC12 won't turn on. Power light is

Ballast booard is what turns Lamp on ,But if Lamp Fan is Defective it too will shut TV off.

Posted on Sep 01, 2010

bugoy31
  • 1238 Answers

SOURCE: panasonic TV shuts off after a couple minutes

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

Posted on Jun 07, 2012

Testimonial: "information was helpful but turns out it may be a cracked bulb, I'll know for sure when it comes in."

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How do i fix a flatscreen with no sound or no picture


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://electro-medical.blogspot.com/
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.

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Panasonic PT40LC12 turns on and then shuts off after 15 seconds


Ballast Board it what turns Lamp on Call Encompass Parts Distr. or Look on their website.

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Tv plays for a few minutes then shuts down. the red light blinks.


You need reset the lamp timer after
replace the new lamp.In the remote control pres menu------setup------lamp timer----message do you replace a lamp appear----press yes----and ok.

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PT-60LC13


there are fans inside tv need to make sure they are clean and free of dust

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