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There is a constant humming coming from my sony bravia lcd 50" tv. the noise stays at the same pitch all the time weather the volume is high or low, but when i put it on mute there is no humming???????? please help
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DSLReports
Oct 3, 2009 - 30 posts - 7 authors
Its so high pitched that some people can barely hear it, but I guess I have sensitive hearing. ... Anyway, this seems to be a fairly common issue and it is caused by either the ... You're probably hearing a transformer humming.
There are no fans inside your 32 inch Bravia. I don't know the sound you are asking about. Is it a high pitch squeal? Is it a low volume humm? In either case you may hav e a bad filter capacitor or a problem in the Dolby noise reduction filter. In any of these cases, the filter cap in any location on the board can create the first sign of a problem. For starters, always suspect your filter caps.
Depending on the pitch. humming noises are either a motor ie: fan motor or if it is very low a defective capacitor . Since you have the yellow band and the high pitched beep my fist thought is somthing defective in the power supply. Take it to an authorized servicer.
what model of Sony is it? On many of the Sony projectors, a 3 flash error code indicates the lamp is not properly seated/installed or the lamp door is not closed properly
there is nothing wrong wit my poer supply?
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