Question about Sony FD Trinitron WEGA KV-36HS420 36" TV

2 Answers

SONY WEGA KV-36HS420 will not come on

With TV off, red light blinks 7 times / when TV is turned on, it blinks 6 times. TV is only 4 years old.

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  • Anonymous Dec 01, 2008

    I have the same problem with my sony KV-36HS420, the standby light blinks six times and the TV keeps shutting down before the picture comes on.

  • Anonymous Jan 02, 2009

    I have the same problem. I can fix it my self. I need to know which is the circuit that needs welding?

  • sergiocadena Jan 02, 2009

    I have the same problem. I need to know which is the circuit that needs to be welded, I can do it myself.

  • clauritsen Jan 19, 2009

    Standby light flashes six times with TV on

  • rojo31 Feb 15, 2009

    will not stay on light blinks seven times

  • karl_ynh Mar 11, 2009

    I'm getting a 6 blink diagnostic code when the unit is on and 7 blinks when the unit is off. You can hear the unit power up when turned on but then shuts off after a few seconds. If I unplug the television for about 6-8 hours without reattempting to plug it back in to test it, it will turn on and work normally when plugged in again.

  • Anonymous May 09, 2009

    Yep it blinks 7 times off and 6 times on. When it comes on then it is only sound for a few seconds then it shuts itself off and does the 6 blink thing. No picture at all.

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The blinking is an indication that the set detected a problem. The code usually indicates a bad regulator circuit. If yu can solder, you can probably fix this your self. Please let me know if you wish to attempt the repair. If not, expect a parts cost in the $25-$40 range plus the local labor rate for the repair.

Posted on Oct 01, 2008

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Can you tell me how to fix the problem listed below?


The blinking is an indication that the set detected a problem. The code usually indicates a bad regulator circuit. If yu can solder, you can probably fix this your self. Please let me know if you wish to attempt the repair. If not, expect a parts cost in the $25-$40 range plus the local labor rate for the repair.

Posted on Mar 24, 2009

  • steelplayer1
    steelplayer1 Feb 25, 2013

    I have this problem. Could you provide more info? I would like to try and repair it myself.

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It is a voltage regulator, and it probably died after a power outtage or surge,
am I right?

Get it to a fixer guy, Its a very affordable repair.


are you in VB? I'll do it!

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U have a soldering iron,desoldering pump or a roll of desoldering braids,a roll of solders?Can u do basic soldering and uderstand basic electronic?FBT- the flyback transformer,the big black block of a plastic with a red wire with a cap hook to a CRT-tv picture tube.Near the big block of a plastic with a red wire with a cap hook to a CRT picture tube.Inside to the right of the FBT,there are 2 power supply ICS,those 2 ICS are dead.Replaced these 2 power supply ICS near the FBT,will solved this tv LED power light indication blinking and will have stable tv power again,and tv will work.

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We have 7 blinks on my KV-36HS420 Sony Wega Triniton. It will come on with only 5 seconds of audio and then shuts itself off with 7 blinks. What part does it sound like needs to be replaces


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