Question about Sony KV-21CT1 21" TV

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When i push the power botton of my sony KV-21 its turn on the red light,in 2 second it shut down and countinue to flashing the red light with out stoping..

But the cathodray tube have a light on the back..but still flashing the standby light without stoping..pls help..

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  • Sony Master
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The IIC bus circuit inside it is faulty. Might be of main system memory IC.

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

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SOURCE: Sony Trinitron KV-27V40 27" tv (Dec 1998)

Sounds like you have a short in your set. Probably a shorted horizontal output transistor. You need to have a tech check it out and give you an estimate for repairs. Stargazer

Posted on Aug 10, 2007

  • 1 Answer

SOURCE: Sony FD Trinitron WEGA KV-36HS500 blinking red light 6 times

My Sony KV36HS500 Trinitron is doing the same thing. Last night the next street over was hit by lightning. The "7" blink pattern was happening, so like the manual stated, unplug it for 4 hours. Which I did. The t.v. is back up and running fine. It's a nice t.v., better than the plasma I paid over a grand for, that's already shot. It's a good t.v. and good that Sony put in the stand by protection to prevent the t.v. from dying an unnecessary young death. Patience, don't rush it, unplug the t.v. and leave it sit. Also, don't use a power strip, that was my mistake, and unplug your t.v. if storms are in the area, I was too lazy to and now I had to deal with this, in 8 years, only twice did this happen. I'd buy another one tomorrow if they still made them.

Posted on Jun 15, 2008

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SOURCE: Sony FD Trinitron WEGA Standby Light Blinks, TV Does Not Turn On

Sony FD Trinition Wega KV-32HS510 Try to turn tv on -it starts then shuts off -stand by lights keeps flashing. Memory stick light flashes then goes off.

Posted on Dec 01, 2008

  • 1 Answer

SOURCE: Sony kv-34xbr910 wont turn on

I have sony 34 XBR Tube trinitron HD TV. We are not using the TV because it keep giving us 6 blinks and does not turn on

Posted on Feb 03, 2009

  • 1 Answer

SOURCE: Sony FD Trinitron WEGA KV-36HS500 blinking red light 6 times

smack it on top a couple of times, it works for me :)
if ya cant duct it, smack it...
seriously...

Posted on Feb 06, 2009

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2 Answers

WHEN TV IS TURNED ON IT IMMEDIATELY SHUTS ITSELF OFF. THERE IS A RED LIGHT FLASHING IN THE FRONT RIGHT CORNER BOTTON


The light is hte standby light and it should be blinking a repeating count. That count will indicate the defective circuit. Please post the count and confirm your model to be KV-27HS420 and we can look up the code and provide the probable repair solution.

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smack it on top a couple of times, it works for me :)
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Click and light on front flashes!


This showing the tv have power. Maybe when you pushed the power button it clicks and shuts down then show the red light bliking showing one code. Some shurt on horizontal board or loose some voltage from power supply. This is not easy if you don't have experience with electronic. I'm sorry still tring

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