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How to repair tv no power model ct-21z57mq

No power only red light blinking

Posted by NOEL E LAGOS on

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1 Answer

Brad Brown

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  • Televison & ... Master
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There is not much information about that unit. Unless you have experience in using electronic troubleshooting equipment to look for faulty parts, I would replace the whole thing.

Posted on Apr 25, 2019

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5 Related Answers

ctf1800

Cary Farah

  • 4402 Answers

SOURCE: MY tV will not power and red light keeps blinking

http://www.keohi.com/keohihdtv/brandspecific/toshiba/quickfix/flashing_led.html

Posted on Dec 05, 2007

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Anonymous

  • 1 Answer

SOURCE: Red Blinking Power Light Sharp Aquos

What do three blinks of the power light mean on my Sharp Aquos LC-C5262U? I cannot power up my display.

Posted on Sep 07, 2008

eddie620

  • 4 Answers

SOURCE: blinking red lights

Take out all the cables (HDMI,POWER,RCA,etc...) and then plug just the power back in and see if the TV turns on, and make sure when you take the power cable out, take it out from the back of the TV, when you plug it back in it should click. 
If the TV powers up then try plugging in your HDMI cables and see if that works.


Posted on Feb 20, 2009

Anonymous

  • 1 Answer

SOURCE: Red blinking light on a Magnavox Plasma TV

Here is the solution. For less that 100$ your Magnavox Plasma TV. Model # 50MF2310/37 will be running like a champ.

Issue:

Magnavox Plasma TV. Model # 50MF2310/37 screen has no picture. There is no sound, TV comes on and then after a few seconds clicks and screen remains blank.

Cause:

On the main power circuit board to Capacitors are prone to failure from over load. The caps are 3300uf 10v 105+c capacitors located to the left of the AC power input.

Service:

Magnavox will refer you to a service center. They will advise $$$ for an inspection. They will also want to charge upwards of 500$ to replace the entire board.

Solution:

1. Unplug your TV
2. Disconnect all connections from your TV
3. With assistance lay your TV on its face on a non-scratching service
4. Remove the back panel screws.
5. Lift back panel off
6. The central board is your main power board.
7. Remove all wire harnesses from the main board.
8. Remove all screws that are holding the main board in place.
9. Lift the main board out and carefully place it into a non electromagnetic pouch.
10. Take the board to a Circuit Board repair shop.
11. Have them replace the the above mentioned Caps.
12. Re-install the board in your TV.

NOTE: Replace the caps with 3300uf 16v 105+ high temp caps(preferrably Japanese caps)

This fix cost me 80$ and my time to search for other who had the same issue. Try searching for Magnavox Plasma TV. Model # 50MF2310/37 bad circuit board or Magnavox Plasma TV bad capacitors or Magnavox Plasma TV bad ciruit board.

Hope this all help, Magnavox is should take ownership for this problem and recall any tv's that have these caps in them. The worst part about this is that teh **** from the repair center that was paid 100$ to check the TV, stripped out the screw holes and damaged the case for the TV.

Portland Laptop Repair was awesome. They repaired the board and it looked like new. Check them out at http://www.laptopportland.com/

Jeff G
Portland, OR

Posted on Apr 28, 2009

gripfitter

gripfitter

  • 557 Answers

SOURCE: Panasonic Plasma TV - Model # TH42PX77U does not

This is a difficult question to answer completely. 7 blinks indicates that one of the C boads has failed. however, there are several an SC,SD, SS and SU.
The procedure is to disconnect each of there boards until the blinking is eliminated. The labor charge is usually around 200.00 and the cost of whichever board is bad. Hope this helps.

Posted on Oct 21, 2009

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