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Sony KV-20EXR20 TV

Hi Pravin,

Thanks for your help with the Projection TV.

This question is regarding my 20 inch regular (CRT) TV.

2 days ago I was watching it and it was fine. I turned it off to go give my housemate a ride, came back turned it but there was nothing. I can hear the Click when I turned it on but there was no Sound or Picture.

Is this a Power supply failure?

I opened the TV, the 2 fuses inside are OK. I followed the digram inside to go into Service mode but again no picture or sound, jusk the TV clicks when I plug it in and when I turn it off or on.

Can you help please.?

Thank you,
AJ.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

techman
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SOURCE: TV turns itself off after a few seconds, no picture at all

Sounds like the typical Flyback and shorted horizontal output transistor. Problem is the transformer is NO Longer Available

Posted on Sep 14, 2006

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SOURCE: sony kv-32s26 32 inch tv

Could also be faulty Power supply. If Proper 110 V is not generetaed by SMPS, the above symptoms appear.

Posted on Sep 18, 2006

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SOURCE: Sony KV-29-SN21 TV power supply clicks, no picture no sound

DO NOT PUT ON TV As it is DANGEROUS call tv tech to check high output in regulated power supply

Posted on Sep 16, 2007

SOURCE: black screen no sound

Look at this
Phillips/Maganavox TS3258 Dead, HOT shorted R&R Flyback, HOT
Transistor,#3610- 22k, #6328 SMD diode, #7325 SMD Transistor and Check
#3611/3608 190 ohm resistor by #3610
TELEVISION MAGNAVOX TS3258 Flyback Bad Replace fly -
R3610,22K-R3331,47K(SMD)-D6328(SMD)-Q7325(SMD)-IC7150
TELEVISION MAGNAVOX TS3258C101 DEAD Shorted flyback, will also damage
IC7150, R3610, R3331, D6328, and Q7325.

Posted on Nov 13, 2007

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SOURCE: 42 inch LG Plasma TV Lost Picture

Hi it sounds like it has had an elctric fault like a resistor failing.
The click you heard would be a internal switch that cuts off the elctric supply to the screen to stop furthe damage hapening.
It could even be something simple like a bad solder and in that case will need locating and resoldering.
How old is the telly and how often is it used.
When you switch it off leave it off for about an hour then try again if you have allready done this then it probably is a blown resistor are you sure nothing has been pressed on controll have you tried seeing if you can acess the menu screen via the remote and see if that comes up on the screen let me know ok

Posted on Dec 14, 2007

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