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TVs

Panasonic TV generates me short on the horizontal

AN282
AN282
416
hace 5 años
hace 5 años
I take out the horizontal and it's good I measure where it goes and it doesn't matter to me what could it be?
victor flores martinez
hace 5 años

remove the flyback and comment if the short film persists

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haltecnico2015
hace 5 años
hace 5 años
Hi, what tension does the source output have?
reparaciones.p.l
hace 5 años
hace 5 años
Hello colleague, I tell you that it may be that the flyback is short when you turn on the TV but when you take it off you don't see the short. That has happened to me many times. good luck greetings
TobíasTv
TobíasTv
13.721
hace 5 años
hace 5 años
Hello, just a contribution, once it happened to me that when I screwed the horizontal transistor to the heatsink the collector with the heatsink was shortened ,,, the transistor was plastic, and well, they are things of life, hehe
AN282
AN282
416
hace 5 años

thanks friend tibias that was the original plastic and this metal and I generated the short now I have is like a loose solder or fractured plate and I have done almost all new welding and still generated as a short circuit and moving the plate turns on or off the TV

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TobíasTv
TobíasTv
13.721
hace 5 años

arm yourself with patience, clean the plate well and look with a magnifying glass for cold welds, especially where the lucky components heat up

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AN282
AN282
416
hace 5 años

thank you, friend Tobias yesterday I made it happen but I stay black and white today I will continue looking to see where the blessed fault

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TobíasTv
TobíasTv
13.721
hace 5 años

notice the jungle welders

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AN282
AN282
416
hace 5 años

Atheist I thank you tobias and victor friend for their contributions and the patience shown to this server that God bless and keep them and continue to provide wisdom to help others, we are in another question as the Tobias friend said but with the same fault and the same tv this is the link hello Victor, we are in another question
https://yoreparo.com/tv/televisores/tubo/preguntas/5838616/tv-panasonic-modelo-ct32gl3w

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AN282
AN282
416
hace 5 años
hace 5 años
Tobias friend the TV has burned me twice the horizontal before having short the horizontal had shortened this diode R2KL I placed this in5404 and I had the fault as if I had a short circuit had to move it to start and I burn the original horizontal and put replacement bu2508a and I was short take your recommendation to remove the screw and it worked but the TV turned off to what was set was burned the replacement put another and work as 15min that could be
TobíasTv
TobíasTv
13.721
hace 5 años

Hello, good morning, this topic is closed, I opened a new one with the brand and the model in the title, invite me this way and we analyze it

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AN282
AN282
416
hace 5 años

ready friend tobias already believe the new this is the link https://yoreparo.com/tv/televisores/tubo/preguntas/5838616/tv-panasonic-modelo-ct32gl3w

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victor flores martinez
hace 5 años

The R2KL diode is an avalanche diode and is shortened before an excess voltage provided by the source

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TobíasTv
TobíasTv
13.721
hace 5 años

Hi Victor, we are in another question
https://yoreparo.com/tv/televisores/tubo/preguntas/5838616/tv-panasonic-modelo-ct32gl3w
Help us :) you know that I can't find anything of that model ... I suggested that I change filters of the source to avoid overvoltage and that the avalanche protector does not burn

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AN282
AN282
416
hace 5 años

friend victor I put this in5404 I do not know if that is why I burn the horizontal now since I do not get the original or the replacement of R2KL here where I live I asked a technician for an avalacha diode and he gave me that he did not know that I talked to him that he only knew the Zener and the normal

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TobíasTv
TobíasTv
13.721
hace 5 años

that diode is like a zener, I don't remember its value but it acts when the source voltage is triggered, some bad filter can be a false contact or if you use a source str this may be bad

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AN282
AN282
416
hace 5 años

From what I have investigated it is 130v and 2.5amp since I placed this in5404 of course the zener placed has not been short or open but it has burned the horizontal in several occasions what of the failed contact yesterday I was correcting it but already I almost did not feel like I had a short circuit and I had worked in color but at 15min I burned the horizontal I made almost all the running again because when moving it went off or the color was going the last thing that had resolved they were some cables that went to the yoke and when moving it the color no longer went away and it didn't go out

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AN282
AN282
416
hace 5 años

and it did not turn off but after 15 minutes the horizontal was damaged I do not know if the zener that places it has influence or is that the component is of very poor quality the original was encapsulated in plastic and the one that I got is made of plastic with metal At the beginning I had generated a short but the friend Tobias recommended that I remove the screw and failing that that was what was generating the last short I have not changed trainers

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