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I have aHitachi 42" lcd that went blank.Now the red standby light which turns blue when on are now flashing together the set is only 18 mths old

Posted by robert fice on

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Tom Chichester

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  • Televison & ... Master
  • 57,312 Answers

This is symptomatic of power supply failure even though, as you say, the TV is only 18 months old

Posted on Jan 28, 2013

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5 Related Answers

Anonymous

  • 43 Answers

SOURCE: Sony KDF-E55A20 55 in. LCD... Problem red light flashes 5 times

A 5 blink error indicates a bad lamp driver. However a lamp may possibly cause this too. I suggest putting a new lamp in if you have one just to verify the lamp is not the problem. If it still fails with a new lamp then the lamp driver is the problem. This part should be replaced by a Sony authorized servicer. The lamp can be replaced easily by you. The lamp replacement instructions are in the TV's owners manual. Good Luck

Posted on Jan 06, 2008

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coyotedave

  • 280 Answers

SOURCE: HARWA LC37W18S LCD TV using KAS200-5S241812XLS

Check all the caps on PSB. if any look puffed , replace them. If you are getting 14volts to the ivnerter board PS is good and the inverter is bad.. good luck

Posted on Apr 10, 2009

Anonymous

  • 9 Answers

SOURCE: INSIGNIA LCD won't turn on

replace 2 condensers in the power supply with greater voltage ones.original are 1000uf 35volt...use 1000uf 65volt...99cents each
power circuit is made to fail with typical tv industry tactics...the warranty is reflected by the life of their condensors (capacitors) average life is 2000 hours..
easy...huh
if your a smoker...you must clean the button cover as they get stuck on with your stupid tobacco residue. 75% of all LCD tv's that smokers own fail this way...
\tough huh?
TRY TO STOP SMOKING...

Posted on May 18, 2009

SOURCE: WONT TURN ON

Most likely, the problem is a defective Main Processor Board. This is the board with the antenna, RCA and HDMI plugs. You cant repair or replace component parts on this board, so dont even try. You must replace the complete board. The TV says Sylvania, but it is a bloody Funia TV. Several years ago this foreign company bought out broke-azzz Sylvania . They are still carrying the Sylvania name since Sylvania was a popular TV name in the 70s. Every electronic company in the USA is now owned by the Chinese, so call Funai and order the part from them. Dont be surprise if they dont have a clue what the heck you asking for. America and all electronics have gone to the puddles. Do you know why? GREED.

Posted on Jun 10, 2009

budmrtn

Bud Martin

  • 11361 Answers

SOURCE: LG 26LG30 screen suddently went blank. Light flashing blue/red

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 14, 2009

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1 Answer

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My 47LG70 tv went out. I heard a pop and the screen went blank. The lower right hand sensor light turned blue. I tried unplugging but that didn't work. When I tried to turn it on again the sensor light...


Those 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://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
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Search the site by type in the "brand name" to your device, [Exclude the model number] in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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My standby light flashes red/blue? and no pic,its only weeks old


I would take it back and get a replacement, it is a lemon, it will void warranty if you open it up. It can be defctive power supply module.

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LG 26LG30 screen suddently went blank. Light flashing blue/red


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

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Try plugging in the USB drive and HOPE that the P.O.S.T. during that 2 second period grabs the upgrade, but I must tell you that this is a hail-mary pass.

After that, it's DOAville!!

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Heard a pop and screen went blank - won't come back on.


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1 Answer

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The red light should be blinking a code. For example it will blink 4 times pause then 4 times pause or 5times pause 5 times pause, whatever the error might be. Let me know what it is and then we can help more.

Tim
[email protected]

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