Josemir Guevara Lugo

Recebi um chassi de TV modelo CT 5066BZ K15A da marca Samsung, cujo problema é que o áudio é muito baixo, apesar de todo o volume ser aumentado, o som ser ouvido muito baixo, o que eu fiz foi redefini-lo...

Recebi um chassi de TV modelo CT 5066BZ K15A da marca Samsung, cujo problema é que o áudio é muito baixo, apesar de todo o volume ser aumentado, o som ser ouvido muito baixo, o que eu fiz foi redefini-lo...

Recebi um mini-componente JVC modelo CA NXD3, que o único problema é que ele não liga a tela restante. Tudo funciona bem ao medir FL + y- encontro 1,7 vol CA. Minha pergunta é qual é a tensão operacional correta...

Recebi um micro-ondas Samsung que não o liga.Encontrei o fusível de entrada do AC queimado aberto. Troquei o microondas, mas ao programá-lo e aquecê-lo, ele desliga e, ao fazer uma revisão mais profunda, descobri que o condensador é curto. Minha...

My question is can I connect a passport that works at 12 vol and consumes 3.5 Amp to a 12 vol source at 8 Amp.?

Thanks to Francisco, Felipe and Willy for answering my question the fault was the following as the friend Francisco says he was protected because the vertical ic was defective but by isolating it he would protect himself by not having...

I have received a TV brand LG chassis MC-83A 6870VM0072F (1) which when giving the power order oscillates for 3 seconds and returns to stand by medi + B encounter 113 vol OK isolate vertical IC, change filters + B,...

Friend isolates or disconnects the HOT horizontal output transistor and comments what voltage you have at + B to discard source.

The solution was that the IC TL431 was defective and it was changed.

I have just received a TV brand simply TRC model SYTVF21S chassis PH03 070702 which, when connected to the ac line, passes the following LEDs, the standby LED flashes intermittently when measuring voltage meeting in the line of + B...

I have received a Samsung brand TV model CT 5066BZ chassis K15A which the problem is that it has very low audio despite the fact that the whole volume is raised, the sound is heard very softly, what I do...

I have received a mini-component LG model XA16 which has low sound this has as amplifier IC the TDA7266SA which replaces it with an equal one but I persist with the failure to carefully review the card I found the...

I have received a mini-component JVC model CA NXD3 which the only problem is that it does not turn on the rest display everything works OK when measuring FL + y- I find 1.7 vol AC my question is what...

I have received a SONY HCD GTR33 sound system which, when it stops working for several days, connects to the AC line, it gives power and the equipment works OK audio OK all the functions OK the problem is that...

I got a samsung microwave which does not turn on the review I found the fuse of open ac input burned. I changed the microwave safe but when programming it and putting it to heat is turned off and doing...

Me ha llegado un tv marca Challenger el cual enciende pero la imagen esta muy hancha en altura el tv tiene como ic vertical el UTC 78040 . Mi pregunta es como no puedo modificar la altura de la imagen...

Me ha llegado tv led sony KDL32EX357 el cual no enciende no enciende el led de stand by. Procedi a destapar y me e enfocado en la tarjeta fuente desconecte de la main la aisle y e encontrado  los 3.3...

Me ha llegado un home teatre  RCA modelo RT2280 transistores de potencia D2389 y B1559 el cliente  me comenta lo sgte que le conecto unos parlantes diferentes a los originales y que al subirle volumen se escucho un sonido anormal...

Me ha llegado un tv marca LG de 14"  no tengo el modelo tiene como one chip el 8823CPNG5AJ3 el problema que presenta es inestabilidad de los caracteres OSD volumen, menu . Resolde componentes asociados al IC one chip pero...

Me ha llegado un equipo de sonido Aiwa  modelo CX Z 980MHL que el audio suena con una pequeña  distorsion  o se filtra un ruido como con DC ademas funciona una sola salida . Revisando los perifericos del ic de...