Question about Sony KV-32S36 32" TV

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Sony KV-32S36 32" suddenly stopped working, no picture or sound

The TV is 10 years old and it suddenly went blank while I was watching a program. When I press the power button, there is no click, picture or sound. Checked the fuse and it is fine. Any suggestions welcome.

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Re: Sony KV-32S36 32" suddenly stopped working, no...

Check soldered in fuse R607 in power supply circuit =
If open, replace it and bad converter xistors ( 2SC4834)
Next, replace shorted horizontal output transistor w/ first Quality.
Solder any / all bad connects,esp.horiz drive to base of horiz.
o / p xistor. Soldering is critical or it will blow up again......

Posted on Nov 05, 2007

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No picture or sound when powered up. Red Standby light flashes continually. My Sony KV 36 XBR250 Wega Trinitron XBR is about 10 years old and has worked perfectly up to this point. What could be the...

Did you get your set fixed or did you replace it? My same set did the same thing. Turned it off for 2-3hrs after watching it and when I tried to power it up- nothing but the sound it would normally make just before the major power up, sort of a relay click sound. No picture or sound but the red light blinks non-stop.

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Picture went blank during viewing

Not too many things you can do without an understanding of the circuitry in a CRT TV but there is a good chance that the failure has occurred in the high voltage area and a few things need to be measured there to find which of them has failed. Catastrophic failure of the CRT (picture tube) are rare anymore but do happen now and then.
If the flyback (horizontal output transformer) has bitten the dust, they are becoming hard to find and much more expensive than 10 years ago. Additionally, those don't normally fail alone but are killed by or kill, other components, which also need to be verified before replacing anything.   
Even with the HV section dead, there are lethal voltages present inside when turned on and not always in places that look dangerous. 

Sep 15, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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The 'pop' may have been an arc of electricity from the flyback coil. The flyback is the device that produces very HIGH VOLTAGES --that can kill so be careful--. It may have just goten old and the material around the flyback broke down and allowed the electricity to arc to a near by source to ground. it happens when CRT sets get old. Typically I expect 7-10 years of a consumer grade CRT. Other then that any fix for it would have to be performed by a trained technician because voltages can linger in the 'caps' and even the 'tube' itself for years, I once got 'bit' by a set that was left un-plugged for 5 years. 

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No, if the picture of your tv screen is clear when when you watching. the troble of your tv is looseboard, and you replace your CRT socket too.

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Jar-Head, bad news, the picture tube has a mild short in the green cathode, tech can come out and try to restore it but it`s usually a futile attempt on sony tubes, sorry to be the bearer of bad news, BMW Rider

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Sony TV not working

This is not an easy fix for most people! I suspect the ps is blown, R607, Q601,Q602 (use all org Sony parts, lots of factory 2nds around). This stuff blows to protect the fuse!!!!! Very rarely the input bridge rectifier or filter cap short.
Check R622, if open or discolored also replace VDR601(doesn't go bad very often). Check Horz output Q502. Inspect whole board for any bad connections, all parts with heat sinks(regulator ICs). Horz driver transformer, 0.47uf to horz driver tr. There could be other parts bad (flyback??). Make sure no supplies are shorted, check audio output supply, vert output supply, etc. Easily $150 repair at a shop. Good luck!

Oct 27, 2007 | Sony KV-32S36 32" TV

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