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I have videcon 23 inch lcd tv when i on tv it start for 2-3 second after that suddenly restart & goes to standby mode ...please help me out..

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  • Televison & ... Master
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The main power regulation section circuit, and the horizontal scan output section circuit should be troubleshooted. The set's Micro detects some short circuit, protection circuit activates and makes it to shut down. google.com/+GopakumarGopalan

Posted on Nov 17, 2013

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SOURCE: LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP

I unplugged the TV and now the picture is back.I read that the LCD's are vunerable to static build up so unless my daughter is using her TV I unplug it.

I was thinking about getting a large LCD for the family room but I'm not going to until they improve on this technology.

Good luck to everyone!.

Cheers.

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SOURCE: Wharfedale TV power problems

got a 32 inch wharfedale tv from argos also and it seems to boot up and then shut down and just loops, if i keep unplugging it i can sometimes get it on but with a high pitch wailing, only 15 months old, gutted!

Posted on Oct 07, 2008

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SOURCE: 14 blinking red lights (standby) sony lcd

14 times means the LCD panel is defective. I just had one of those tvs in my shop. Sony will take care of the panel replacement in warranty.

Posted on Apr 15, 2009

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SOURCE: Power on problem for My Syntax Olevia LCD TV 23"

I have a 24" Olevia LCD TV. Same symptoms (Stdby LED is on, press power and it flashes off, then back on). The USB cable to the Service Port also worked. But being of sound technical mind, I figured this means that the PC is supplying the +5v to the circuit. What I did was disassebled the TV, carefully disconnected all the cables, and opened it up to reveal the circuitry. I looked over the circuit and noticed the 1000uf/16v capacitor at position CS21 was failed and bulging. I removed the cap, tested it and verified that it was indeed failed. I went to a local Radio Shack and picked up a 1000uf/35v electrolytic, after all, the value is what mainly matters as long as it's not lower voltage than the original. I replaced the new CS21 capacitor back in the circuit (it is polarity sensitive, so pay attention to what the original mounting position is). I reassembled the TV and Viola! Works! No need for the USB cable to the Service Port!

I hope this helps someone!

-Matt

Posted on May 18, 2009

dsacco86
  • 1077 Answers

SOURCE: Emerson LC320EM82 S LCD TV I purchased this TV a

Your not alone with this problem.
I had to fix mine. The warranty is less than impressive.
The trouble is going to be the Power Supply/Backlight Inverter board.
This is the picture of yours:
11e1946.jpg This is board # BA71F0F01042. Replacement boards are hard to come by.
Fixing the board like I did seem to be the only option. If you need info on fixing it, let me know.

Posted on Jun 18, 2009

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My 15 month Celcus LCD423D913FHD tv will not turn on. The standby light is lit and will flicker but will not power up the tv. What is the likely problem?


Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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Hi,
I can help you to solve your Sony KDF-E60A20 tv problem.
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If standby light flashing, please count how many times it flashing after three seconds long pause and let me know to diagnose problem.
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Emerson LC320EM82 S LCD TV I purchased this TV a year and 3 weeks ago. It suddenly stopped powering on. When I turn it on the screen comes on for half a second with 3-4 inch white lines across middle of...


Your not alone with this problem.
I had to fix mine. The warranty is less than impressive.
The trouble is going to be the Power Supply/Backlight Inverter board.
This is the picture of yours:
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Fixing the board like I did seem to be the only option. If you need info on fixing it, let me know.

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It sounds like it is defective, you have warranty call for service!

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