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Lcd t v troubleshooting

When I switch on my sony bravia lcd tv. it shows the logo and then the screen goes blank. then the led blinks six times every three seconds

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  • Computers & ... Master
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Probable power supply failure.

Posted on Dec 31, 2013

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6ya6ya
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Posted on Jan 02, 2017

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sandrew
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SOURCE: LCD Monitor turns off or goes blank after a couple of seconds being on

An all too common problem with lcd's, you would think they would be more reliable after being on the market for years, alas they are not. See if it does the same thing on a friends PC if you are able; if so the you will know the lcd is faulty.

Posted on Nov 12, 2006

viziks
  • 220 Answers

SOURCE: Benq 17"Lcd monitor fault

Resolder the power transistors on inverter board and also check them.If display is not there at all some of this 4 transistors C5707 should be defective.Check associated fuse and Fet which drives the transistor.

Also check with Benq ,Normally offers three year warranty.

Samir

Posted on Mar 24, 2008

viziks
  • 220 Answers

SOURCE: Benq FP71G+ 17" LCD with Power Recycle (shutdown & return).

Seems either aproblem with Invertor board or Front panel switches are leaky.
Samir

Posted on Sep 12, 2008

Fix-4U
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SOURCE: Acer AL1716 Blank screen & blinking green power LED

Hi..there,
You've got a busted backlight inverter... Need to replaced a new one...

Posted on Dec 18, 2008

Oblivion
  • 8 Answers

SOURCE: screen goes blank after few seconds

Yeah, for most of you it's definitely the caps. The three that are 470uF and the one 330uF.

Don’t just replace them with new ones of the same type, they will just blow again. Use ones with a higher voltage rating. you can also use ones with slightly higher uF (they are just output caps for the SMPS). Mine are at like ~530uF and its holding strong.

If your having trouble with brightness there is a jumper that lets you change the amount of power going to the cold cathode bulbs. It is right next to the three bigger caps. it has three settings, 6.5mA, 7mA, and 7.5mA. it should be set to 6.5mA by default. The bigger numbers are brighter, but remember to crank your brightness all the way down before changing this jumper as 6.5mA with maxed out user brightness is the same thing as 7mA all the way down.

These are good monitors as far as stats and usability. They just have defective parts. I was amassed with how "defined" the picture is per-pixel considering it's VGA.

-Oblivion

Posted on May 06, 2009

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Hi there, I have a sony KDL-50R550A lcd tv. when i turn on the tv it shows the Sony logo three times then it blinks for six.can you tell me what might be the problem there


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://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.

Sep 03, 2016 | Sony SONKDL50R550A BRAVIA KDL-50R550A 50"...

1 Answer

TV SYMBOL COMES ON TV GOES BLACK NO SOUND OR ANYTHING HOW TO REPAIR THIS


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1 Answer

When i turn on this TV it display the Sony logo then it went off in on few second.then the power light bling six times,what is the problem with it .


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://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
Blinking codes details of many popular brand TVs are given. Surf the site with patience.

Dec 11, 2015 | Sony KLV-26BX310 BRAVIA Multiysystem LCD...

1 Answer

What would be the solution for six red light blinking after switch on the tv?


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 stage 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. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. Do a search by type in the brand name of the device to the search box.

May 14, 2014 | Sony BRAVIA KDL-46EX700 46" LED TV...

1 Answer

6 blinks times


SIX Blinks---No Horizontal (H STOP), no raster, goes to the blinking self diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206

Dec 31, 2013 | Computers & Internet

1 Answer

Sony lcd LED blinks Six Times


Problem is related with Back light error. Check 24V DC from power board to inverter board. if ok then Inverter board or LCD Panel needs to be replace.

Nov 21, 2013 | Sony V SERIES BRAVIA KLV32V300 32 in. LCD...

1 Answer

My Sony BRAVIA KDL-40EX400 will not turn on.


IIC bus clock and/or data lines low at power on 06. This is the fault, according to the blinking codes given by Sony LCD TVs. That is, the fault lies within the main digital board. To locate the exact fault point to these type of fault, is actually a skilled one. If you wish to get more details to this fault, check the link sited here.http://electronicshelponline.blogspot.com/ It has details about these blinking codes. Before proceed, once again count and make confirm the number of blinks occur at one time switch ON. Pull up older posts by this link at its left side bar.

Jun 06, 2013 | Sony BRAVIA KDL-40EX400 40" LCD TV

1 Answer

When turning on tv. screen will display Bravia image & then go blank. red light flashes SIX times


Power off the television. Wait a few minutes, then power it back on. If this does not correct the issue leave the power on, point your remote control towards the Sony television and hold the down arrow button. While holding the down arrow button press the "Power" button. Release the down arrow button and the Sony TVicon1.png will reset itself to factory settings. Once the television performs a scan on itself your problem should be gone.
Good Luck Ed Pinero

Read more: How to Troubleshoot the Standby Indicator Flashing on a Sony TV ' eHow.com http://www.ehow.com/how_5925008_troubleshoot-indicator-flashing-sony-tv.html#ixzz2KBk1cWbu

Feb 02, 2013 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

1 Answer

Standby LED blinks 4 times


Hi there,

4 blinks on a Sony Bravia indicates a backlight/inverter (aka ballast) problem. These ballasts are regrettably only available with an entire LCD panel. :( You may perchance be able to find a parts outfitter online that scraps out TVs and have a used ballast.

Typical backlight problem on an LCD shows up as the screen lighting up for a second or two and going back off. The 4 blinks just confirms your problem.

May 14, 2009 | Sony BRAVIA KDL-40S2010 40 in. LCD...

1 Answer

My TV (Sony Bravia LCD KLV-32S310A) goes of after 20 seconds when it is switched on. The standby indicator then flashes (red) six (6) times then there is a two seconds break followed by another six flashes...


Hi,
6 times blink shows problem with back light inverter board.
TV requires back light inverter board replacement. If you have electronics repair experience and want to repair TV by yourself, let me know to guide you part purchase.

Apr 13, 2009 | Sony KV-35S42 35" TV

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