I have a Bush 28" tv and as of yesterday it has been fading out to a blank picture, the sound is still on and if i turn it off by the mains for an hour or so it does come back on for a while. But the proble is persisting and getting more frequent. Any advice?
Thanks in advance
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The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Hi there sorry but this could any number of things. But i dont think you could repair it your self. It would need to go to a repair shop. It is most likly a power supply fault inside the tv . All the best Bob
cold solder joint on the power supply or in the vert curcuit. If you know anything about the proceder to troubleshoot cold solder connections GO for it but if you dont and dont wanna cause any other problems with the set My advice would be to take it to a pro before any other problems arise if they already havent. Its not a major repair most of the time.