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LCD TVs - LED

32 "Vizio TV ---

Sofy2603
hace 5 años
hace 5 años
GOOD AFTERNOON FRIENDS OF I REPAIR IN THIS OPPORTUNITY I BRING A VIZIO TV 32 "WHICH ARRIVED TO MY WORKSHOP TO REPAIR THE PROBLEM THAT PRESENTS IS THAT LIGHTING NORMAL AND ALL BUT THE INVESTOR OF THAT TV IS BAD BECAUSE THE LAMPS DO NOT TURN ON SEE SOME DIAGRAM BUT AS THE CUSTOMER CARRIED HIM WITHOUT THE BACK COVER I CANNOT SEE THE MODEL OR SOMEONE WHO COULD INDICATE HOW TO REPAIR THAT SOURCE AS THE INVESTOR IS INCLUDED IN THE PHOTO OF THE SOURCE AND MAIN dps-172ep VIZIO.jpg [171.81kb] IMG_20171211_153830.jpg [2.51MB]
gilar
gilar
6.594
hace 5 años
hace 5 años
This type of source comes in the V320VL and V321E models. To know if it is a problem of lamps or protection, you have two bridges as indicated in the image, only with the source and inverter, without the main card, if the lamps illuminate, you have problems of public protection of the ic. inverter controller, if they do not turn on, you have the source, here the image ... greetings
Sofy2603
hace 5 años

FRIEND GILAR THANKS FOR YOUR SOON ANSWER TRY THAT TOMORROW AND I TELL YOU HOW I WAS WITH THAT PROOF THAT YOU INDICATE AND THAT THESE SOURCES COST A LITTLE THING THAT THEY ARE WITH THE INVESTOR INCLUDED IN SOURCE

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Sofy2603
hace 5 años

friend gilar before I miss it if in case they turned on the lamps you think the problem is due

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gilar
gilar
6.594
hace 5 años

Sofy I told you before, read my answer carefully

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Sofy2603
hace 5 años

ok sorry I didn't pay much attention thanks

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Sofy2603
hace 5 años

gilar friend good morning indeed the lamps are good because if they turned on as you told me I mean I have a short in the main

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gilar
gilar
6.594
hace 5 años

In your query you indicate that the screen turns on normally, what do you mean by this? do you have sound ,

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Sofy2603
hace 5 años

hello friend gilar well I did the test that you indicate and if they lit the lamps now what can I do

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Sofy2603
hace 5 años

I mean if I turn on the TV normal and everything but I don't have lamps, I mean nothing is visible

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gilar
gilar
6.594
hace 5 años

Sofy I confuse your answers, test, when you give the order to turn on the screen, "turn on normal", does it have sound, does it change channels? , but it does not turn on the lighting, because as you already checked the lighting turns on, but without the monitoring (supervision) of the main card, it indicates if this comment is correct

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Sofy2603
hace 5 años

yes friend is correct what you indicate
Look then friend gilar the main fault is that the TV turns on and everything but the lamps do not connect the cable signal and if you hear and change everything normal but the lamps do not turn on ....
on the other hand when doing the test that you indicated in the photo the lamps do turn on but without the mainboard as you indicated now well friend you think that changing the main is the solution or there is another way to solve this ..
Thank you in advance for your kind time and patience to explain

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gilar
gilar
6.594
hace 5 años

Perfect, all clarified, not your defect is not in the main card, it is the inverter, some lamp consumes more than what is established and that is why it comes into protection, we will decrease this protection, but I need you to publish the controller number of lighting contained in the inverter section

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Sofy2603
hace 5 años

FRIEND GILAR THANK YOU FOR YOUR SUPPORT BUT YOU COULD HELP ME SEE THE CONTROLLER IC IN THE INVESTOR SECTION AS I AM NEW REPAIRING THESE TELEVISIONS

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Sofy2603
hace 5 años
hace 5 años
20180123_134611.jpg [3.12MB] 20180123_134553.jpg [4.43MB] Friend gilar here are photos of the part of the inverter I hope you can tell me where is the inverter controller ic

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