manolo karvalo

30.814

hace 5 años

Hello Friend. What brand is TV? What are you repairing to know you have to measure the pins of the ic. vertical and upload results

frank cortez

3

hace 5 años

good I am repairing a tv the audio was damaged but I changed the trainers and it was fine but it lasted two days and then I burned the la78041 I changed it but it burns me again it lasts two days

frank cortez

3

hace 5 años

which can be checked your voltages and are fine

manolo karvalo

30.814

hace 5 años

friend. how much is the tension in each pin of the ic. vertical

frank cortez

3

hace 5 años

its input is 26v

frank cortez

3

hace 5 años

but if the input voltage is 26v resist that vertical or change it for a la78045

manolo karvalo

30.814

hace 5 años

friend. the ic. la78045 works the same and has more amperage than that other but if you don't make the changes that I indicated there you will fail again

frank cortez

3

hace 5 años

OK thanks

manolo karvalo

30.814

hace 5 años

friend. because the filter that knows how to give that problem is that of 100uf x 35volt or it can be 50volt. this serca of leg 2 of the vertical ic

manolo karvalo

30.814

hace 5 años

and also the diode that is between pin 2 and 6

manolo karvalo

30.814

hace 5 años

friend. the tendency that ic must have. vertical is pin 1- 2.2volt. pin 2- 26volt. pin 3- 2.4volt. pin 4- gnd. Earth. pin 5- 14 volt. It is out. pin 6-27 volt. pin 7- 2.2volt.

electronico45

26

hace 5 años

friend change the diode that is close to vertical, and put the heatsink where he goes riding his white grease, greetings.