Question about Televison & Video
LA76931A DE 57V9 Volume control not work
If you wish to get more details, and the schematic diagram of this IC based TVs, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window. Check the audio attenuation pin voltage. It should change according to the volume control setting. If no change is noted, check and replace the IC.
Posted on Oct 15, 2013
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Posted on Jan 02, 2017
Check this link, and select the site named 'Electro-help'. Service mode entry method for almost all TV sets are described there in detail. Pull up older post there.
Posted on Jul 20, 2012
hello friends need your help I have a brand tv parker has damaged the integrated LA76931 7N 57C9 buy the LA76931A 7N 57J6 but does not start at all. le instale de otro tv del mismo marca y modelo y el mismo integrado y me encendio. tv installed by another of the same make and model and the same integrated and lit me. trabaja perfeto. Perfeto works. el proble es que el tv que agarre para prueba es de un cliente y esta bueno. The problem is that the tv is proof grip for a client and this good. necesito saber si ustedes me facilitan el diagrama de estos integrados se los agradeceria mucho. I need to know if you provide a diagram of these integrated se los agradeceria much.
Posted on Oct 08, 2009
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