Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Sony Wega KV-32FS120 wont turn on (5 blinks)

Ok first off I did tons of research on google and this site and I have found many posts on this 5 blink problem, but no responses from people saying if they tried it or if it worked. The problem started after little squirt (2 years old) was pressing the button over and over.

Ill give my detail run down of what happends when i turn the tv on. First you get that "thong" charge sound, like the tube is charging, but it sounds a little more short then usual and the crt doesnt turn on. Then the light blinks 5 times, pause, then 3 times. This i beleive isnt the important blinks. After the initial 5-3 blink, I wait about 30 seconds and it jumps into the 5-pause-5-pause-5 blinking. No picture at all.

Now i've seen a post on this forum that the person explains that this problem is the tube isnt getting power, so that the problem might be from the power supply area. Also since the power button was pushed repedatly im thinking this makes sence.

Either way im willing to try stuff out. I studied electronics in college, with my computer degree, and am currently doing a correspondance course in electrnics, so i know my way around. Im prety good in theory but havent had allot of hours hands on.

Any suggestiongs on what to look at? And should i discharge anything else then just the tube?

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  • Anonymous Dec 13, 2008

    I had the same problem. If there is a prob with powersupply the system goes into this mode. You need to give it a technician, he needs to fix the transformer in the system. After changing the trans he would have to chk the amp rating, it could fail 3 to 4 times till he gets the right one. As this is 32 inch it consumes lots of power so he needs to balance the amp else the tube can be knocked out.

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Hi Simonbra,
According to the service manual. the 5 blinks is due to a defective IC on the M board, The defective part is IC001
I can send you the service manual if need be.

Posted on Mar 02, 2017

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Posted on Jan 02, 2017

SOURCE: Sony Trinitron KV-32fs120 Does Not Turn On

i have a unvirasal remote how do iget the codes for it

Posted on Sep 29, 2008

SOURCE: Sony Triniton TV KV 32FS120 will not turn on

In standby mode (red led on/after the led stops from blinking), press "Display", "5", Volume (-)", "Power on" on the remote control in sequence, self diagnostic screen will be display, let me know the what is on the screen to diagnose where the fault came from.

Posted on Dec 13, 2011

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These blinks (flashes) are fault indication. By the number of blinks occur at one time switch ON, you can vet an idea about the faulty circuit stage inside the TV. Count the blinks occur at one time switch ON, carefully. Do it once again, and make sure about the number of blinks. If the flashes are continious, non-stop, the main system control IC should be suspected. If you wish to get more details, check the site linked here. It has blinking codes detail to many brand TVs. Pull up older posts. http://electronicshelponline.blogspot.com/ Check the site in 'Mosaic' view. It will make search easy.

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good day.
Have you tried first resoldering the terminals in the circuitry?
Also, try to check for the ABL supply near the flyback. Watch out for the small voltage zener diodes.


response is highly appreciated.


chris

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Hii...
Refere to Sony Blinking Codes :
5 Blinks ===> cause AKB circuit (AKB). Something is wrong with the video. check components on the C board, also check the A board. Also unit be in IK blanking, try turning up screen slightly.

Hope can solved the problem....

[Vrya]

e-mail : be_cek@yahoo.com

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Hiii...
I'm not certainly sure how many time the led blinking ?

I hope hear from tou soon...

Thank's

[Vrya]
be_cek@yahoo.com

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your problem is in power supply section in your tv. if it is ok check for h/output section. call skilled tech to fix it it is not a major problem.

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