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Tube TVs

tv haier model htaf21c with a dash at the top of the screen

josemilano
hace 5 años
hace 5 años
This TV the owner brings him to the workshop with the defect that he did not turn on the LED of Estam Bay and with the detail that comes from another workshop I found it in an iterated IC TDA4864 was loose and with one of the same characteristic attached on the plate ... but under the plate I had the broken and dotted tracks all the legs of the integrated I proceeded to areglalas and I turned it on but nothing that turned on ... I made measurements on the hrt output transistor of registration BU4508DZ and culc trancistor was damaged I changed it for one d2499 to continue with the work on the TV, I turned it on again the TV turned on but with the waist that mentions that it turns on but does not open its screen you only see a blue stripe on the upper part of the screen and I changed some capacitors near the integrated TDA4864 BUT STILL STILL I NEED YOUR VALISA HELP PLEASE AS I KNOW YOU CAN HELP ME AND THANKS?
Pancho Huertas
hace 5 años

It's a line, or it only looks from the middle up. how much is it that opens the screen and say if you look at me image

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josemilano
hace 5 años
hace 5 años
hey my dear is a blue stripe there will be no screen or audio
Pancho Huertas
hace 5 años

did you get it repaired? If not, could you upload a photo of the fault?

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josemilano
hace 5 años

ready mate now mount the new resistors and electrolytic layersitters integrated TDA4864 and solved and good thanks to all God bless you ..

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