Sony FD Trinitron WEGA KV-24FS120 24" TV Logo

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Lee Phillips
Lee Phillips Posted on Apr 09, 2009
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KV-36XBR400 won't turn on, clicks and blinks.

I've tried to find the solution in other discussions and I'm having a hard time doing it so I'm just going to give the details: TV "clicks" when I turn it on, makes a sound like it's powering up, but it does not turn on and the stand-by light blinks 6 times. If I sit and constantly hit the power button, sometimes I can get the TV to power up. Another question I have is: Will this cost a lot to fix? I realize this TV is old but I really don't want to spend the money right now for a new one, but I don't want to overspend on getting this one fixed. Thanks for your help.

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  • Posted on Apr 09, 2009
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Joined: Mar 18, 2009
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The power supply is faulty you need check the following

power transistor
rectifier diodes
zener diodes
and fusable resistors, if less than 20 ohms
and your set will come on

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0helpful
1answer

My sony kv-36xbr400 sounds like its turing on but has no picture
Will it power ON. If power ON, how many times the stand by light blinks at a time? Number of blinks to standby light denotes the fault code. Visit this site for more details. Type in the site name "Electro-help" either Google or Yahoo search box [not in the address bar of your browser], and click search. It is an electronic equipments service help site. All details you want are there. Note the position of hyphen in between words in site name, when you type it in. The site will appear as it is in web; subtitled as electronics equipments' repair help
Pull up older posts there. The site is powered by Google. You might get details about spare part availability by the ads associated with posts.
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May 25, 2012 • Sony KV-36XBR400 36" TV
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Sony kv 34hs420 no picture blinks 7 times unplugged for days. Does not fix problem. Any hope?
Visit this site for details. Most of the faults to Sony Trinitron TVs are described there. Type in "Electro-help" either to yahoo or Google search box and click search. You can see the site with same name [with a hyphen in between words]. Click it open.
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May 12, 2012 • Sony KV-36XBR400 36" TV
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KV-34hs420 LED Blinks 4 times
Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505
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Apr 28, 2012 • Sony KV-36XBR400 36" TV
0helpful
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KV-36XBR400 won't turn on, "standby/stero" light
You are correct. You are right about the power supply and replacing with led hdtv. You will be happy with a Samsung led. Time to upgrade.
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Mar 04, 2011 • Sony KV-36XBR400 36" TV
0helpful
1answer

My Tv is blinking a red light at me, 9 times, when I try to turn it on. It will not come on.
Hello

  1. Nine blinks - Replace D 6116 and D 6301 on the "G" board, do not re-solder as this will fix the problem temporary. Or Panel Module Error or Thermal Error. If it is intermittent 9 blinks, meaning sometimes the TV comes on and other times you get flashing, then change the switching regulator on the "G" board or check connections. Make sure the regulator is -12 or -13 (negative).
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Nov 19, 2010 • Sony KV-36XBR400 36" TV
0helpful
1answer

Sony KV-36XBR400 won't power up. It just clicks as it tries.
this will require a technician.several components will cause this. usually the horiz.
output transistor and flyback transformer in the
high voltage circuit.
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Jul 31, 2009 • Sony KV-36XBR400 36" TV
1helpful
1answer

Sony KV-36XBR400 power on/off unit unreliable
This unit has 3 power supplies. The secondary is the one that is used to turn on high-voltage power to the set. You will see a number of blinks on the LED, you will get sound, and then nothing.

This part is on the main chassis, it's called BOAR D, and t costs around $300. You have to do a little soldering to replace, so call i n a tech
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Jan 21, 2009 • Sony KV-36XBR400 36" TV
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Sony KV - 36XBR400 36" keeps going to standby - blinks red x5
5 blinks is an IK balance problem. it means your picture tube is not drawing the correct current on 1 of the 3 cathodes (IK). there is a good chance the tube is bad. if you reported it while under warranty you should call the warranty company and pursue it.
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Jan 12, 2009 • Sony KV-36XBR400 36" TV
0helpful
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Sony trinitron stopped working-standby light blinks
How many blinks are you getting?. Blinking codes tells a service tech what section of the unit is manfunctioning.

The full service manual for KV-24fs120 can be found HERE!
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Nov 19, 2008 • Sony FD Trinitron WEGA KV-24FS120 24" TV
0helpful
1answer

Trinitron KV-36XBR400
Yeah I have a solution: I thought your site would offer basic guidance, but apparently not. I found better advice and specific guidance for free on the agoraquest dot com website. They have experts there who even told me right down to which chip pins should measure what voltage, and are willing to help people without trying to make a buck first. Thanks anyways and good luck selling something that's offered for free elsewhere!
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Apr 03, 2008 • Sony KV-36XBR400 36" TV
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My sony kv-36xbr400 sounds like its turing on but has no picture

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