Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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Blinking red light 3 times on sony 34hs420

Blinking red light 3 times on sony trinitron

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  • Dale Hunter May 11, 2010

    need model number to help you

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  • Sony Master
  • 8,457 Answers

Ur high voltage transformer it dead.The big block of plastic with the red wire with a cap hook to the CRT(ur tv tube).It call the FBT,
the Flyback Transformer that thing it dead.

Posted on Sep 03, 2009

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3 red blinks


Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672. To get more details, http://electronicshelponline.blogspot.com/ Blinking codes details to Sony Trinitron TVs are given.

Nov 17, 2013 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony mod# KV-34HS420 - won't come on - red led blinks 7 times...


how many times does the light blink it is very important you mention it so that i can be able to help you.if it is blinking continously then that means your jungle ic301 the ik video path is defected have a tech look on your set for repairs,good luck

Jul 12, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony KV-34HS420 Random Shut downs


i would say this is a internal problem how long have you had it?

May 28, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

2 Answers

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.

Nov 29, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony wega trinitron KV-34HS420


did a quick google got this:

http://www.techlore.com/article/15444/Understanding-Sony-Television-Blinking-Codes/?page=6

blinking is the self diagnosis working.



Aug 27, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony Wega


Please count light flashing again. Light flash time is "0.3 Sec" and there would be pause (light Off time) for "3 Sec". Start counting after pause to next pause.

May 31, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

My 36" Trinitron standby lite just keeps blinking..


Hello Nicrod,
Can you let me know how many times that light blinks on your TV? There would be a small interval between blinks and then big interval.

May 25, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Sony Trinitron Blinking Chanel 3


I have a 36 Trinitron, the sound and picture went but the red light just keeps blinking, any ideas? Please ....

Feb 26, 2008 | Sony FD Trinitron WEGA KV-34HS420 34" TV

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