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Anonymous Posted on Aug 13, 2013

TELEVISOR TOSHIBA TP50F50 QUEIMA DO CIRCUITO INTEGRADO DO VERTICAL LA7833

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Anonymous

  • Posted on Oct 30, 2012

SOURCE: how to disconnect main board in toshiba model 32a40 in order to check solder points

It can either be held in with screws on the bottom of the set, or in the set itself. It could also be held in with the plastic of the chassis that has clips on the bottom. You would usually pull the chassis and remove it from the holes. They are kinda L shaped. Be careful not to yank any wires. I would discharge the tube and unhook the neck board and the anode cup to make sure you don't yank those. Please use extreme caution when discharging a tube.

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1answer

I have a technics SA-EX100 I had a electrical problem and 380v we into it. The 2 caps popped and I replaced them but now it has an overload error. What can I do to reset it?

Hello Sergren, the indication of overload, can come for several reasons
1) The fan motor, outside resistive value is usually between 20 and 30 ohms, to measure it you must disconnect it from the circuit, if it is out of value you must replace it, it is very important that you get the same type of motor or fan assembly
2) The damaged output circuit, you can access the legs of the integrated power circuit RSN3305, taking off the lid that is in the base of the equipment, you must cut the grips that it brings, once the lid is removed, the legs of the integrated circuit are undone and remove it, then test the equipment that does not overload the display, if it does not appear the problem is in the output integrated and you must replace it
Several offers of sale of this integrated appear in Internet, confirms that it is a new and original spare, there are many that offer spare parts of disarmament
I sent you the link to download the SA-EX100 service manual
I hope you can solve the problem
Greetings Franco Dosil

Hola Sergren, la indicaci?n de sobrecarga, puede venir por varios motivos
1)El motor del ventilador, fuera de valor resistivo habitualmente esta entre 20 y 30 ohm, para medirlo debes desconectarlo del circuito, si esta fuera de valor debes reemplazarlo, es muy importante que consigas el mismo tipo de motor o conjunto ventilador
2)El circuito de salida da?ado, puedes acceder a las patas del circuito integrado de potencia RSN3305, sacando la tapa que esta en la base del equipo, debes cortar los agarres que trae, una vez retirada la tapa, desuelda las patas del circuito integrado y ret?ralo, luego prueba el equipo que no se presente sobrecarga en el display, si no aparece el problema esta en el integrado de salida y debes reemplazarlo
Aparecen en Internet varias ofertas de venta de este integrado, confirma que sea un repuesto nuevo y original, hay muchos que ofrecen repuestos de desarme
Te env?o el link para que descargues el manual de servicio del SA-EX100
Espero que puedas resolver el problema
Saludos Franco Dosil
https://data2.manualslib.com/pdf3/69/6884/688325-technics/saex100.pdf?ac550d3bf2c5faf4d499661b57cadb92&take=binary
1helpful
1answer

Product= Onkyo HT s3300. My 2 front speakers won't produce any sound when I hook it to the Speaker A rear section.I hooked both speakers to Speaker B ports and both produced sound. Thanks. Godale.

Hello Hasnul, for what you comment, it is very possible that the integrated circuit has been burned, that works with the Front System A output and you have to replace it, the Front System B output, works with another integrated amplifier circuit, which is working well
If you have technical knowledge, I send you the link to download the Service Manual of your Onkio and know which integrated circuit to replace
But, I suggest you look for a specialized technical service
I hope you can solve the problem, comment the results
Greetings Franco Dosil

Hola Hasnul, por lo que comentas, es muy posible que se haya quemado el circuito integrado, que trabaja con la salida Front Sistema A y tengas que reemplazarlo, la salida Front Sistema B, trabaja con otro Circuito integrado amplificador, que esta trabajando bien
Si tienes conocimientos tecnicos, te envio el link para que descargues el Manual de Servicio de tu Onkio y sepas que circuito integrado reemplazar
Sino, te sugiero busques un servicio tecnico especializado
Espero que puedas resolver el problema, comenta los resultados
Saludos Franco Dosil
https://www.vintageshifi.com/repertoire-pdf/pdf/telecharge.php?pdf=Onkyo-HTR-380-Service-Manual.pdf
https://www.intl.onkyo.com/downloads/manuals/pdf/ht-s3300_manual_e.pdf
1helpful
1answer

Factory reset my Pioneer SX-303R reciever

Hello Ron, your Pioneer, does not own a Factory Reset
The problem that has no sound in any of the speakers, probably is due to the integrated power circuit, is burned
It has in the same integrated circuit, the two audio channels
I suggest you consult a specialized technical service
I hope I can solve the problem
Greetings Franco Dosil

Hola Ron, su Pioneer, no posee un Restablecimiento de Fabrica
El problema que no tiene sonido en ninguno de los parlantes, probablemente se debe a que el circuito integrado de potencia, se encuentre quemado
Tiene en el mismo circuito integrado, los dos canales de audio
Le sugiero consulte en un servicio t?cnico especializado
Espero logre resolver el problema
Saludos Franco Dosil
0helpful
1answer

I want to know which (audio output circuit) I need to buy for PANASONIC SB-WA340

Hello Wembor, the PANASONIC SB-WA340, has as integrated output circuit, RSN311W64B-P, this integrated circuit is a 6-channel amplifier
I send you links where you can find it
I hope my comment has served you
Greetings Franco Dosil

Hola Wembor, el PANASONIC SB-WA340, tiene como circuito integrado de salida el, RSN311W64B-P, este circuito integrado es un amplificador de 6 canales
Te envio links de donde puedes encontrarlo
Espero te haya servido mi comentario
Saludos Franco Dosil
https://www.amazon.com/gp/offer-listing/B00RL9I2BW/ref=dp_olp_new_mbc?ie=UTF8&condition=new

https://picclick.com/RSN311W64B-Audio-Power-Module-RSN311W64-112798158374.html


https://picclick.com/RSN311W64-B-Audio-Power-Module-RSN311W64-Audio-112981681916.html
0helpful
1answer

Hola. No se si sirva el Circuito integrado de sonido de mi TV ya que no tiene sonido, pero conectandole un DVD en el auxiliar el sonido es perfecto. Tv broksonic modelo ctgv-4563tct ...

Hola, posiblemente el circuito integrado donde se realiza la seleccion de audio sea el problema y no el amplificador de audio ya que funciona con el DVD, habria que determinar cual IC realiza esta funcion tomando como referencia la salida demodulada de audio desde la etapa de frecuencia intermedia o adonde convergen todas las entradas de audio del TV.
1helpful
1answer

Vertical lines on screen of Toshiba rear projection Model 57H84

Check for bad capacitor in vertical circuit where vertical IC is LA7833.
100uf 35v 1uf 50v 2.2uf 25 47uf 50v
0helpful
1answer

Clean the screen on Toshiba TP50F50. How?

only use tap water with baby shampoo.

12oz. add 1/2 teaspoon of baby shampoo. (this is non-abrassive)
0helpful
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Toshiba 32a32 chassis tac 245 powers up for 1 secopnd then red power light flashes.

just fixed one with that problem it was the vertical output ic Q301
that was shorted. try wicking it out. it is a LA7833S.
Postings say to be sure to use the Toshiba part
0helpful
1answer

Where buy la7833s

The LA7833 is a vertical IC and available several places here in the states. If you can go online try acme enterprises in Florida for the best prices. http://www.acme-sales.net/index.shtml
At ACME they're 1.79 american and they do ship to Canada and Mexico...
Hope this helps!
Bill
2helpful
4answers

Nececito diagrama

tienes que dar mas informacion del tipo o marca del televisor pero si quieres intentar por ti mismo solo ve a la pagina de la compania que la fabrico y ve a soppporte manuales y diagramas ahi puedes encontrar lo que buscas es igual para todo tipo de aparato solo busca la pagina del fabricante
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