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2006 Sony KDL-V40XBRI
sony bravia lcd troubleshooting
I have a sony bravia lcd tv where the screen goes dark and then after 20 minutes its normal what is causing it?
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
CRACK LCD TV SCREEN
A couple of weeks ago we had the screen broken in our LG LCD TV when one for the kids threw something at the screen. We got a quote to fix it and it was going to cost more to replace the screen than what it would be to buy a brand new TV. We shopped around for a new TV, comparing LCDs and Plasmas. In the end we purchased a new LG Plasma, which had a thin layer of glass over the screen for protection compared to the LCD. We thought this would be much safer with a 4 and 6 year old around the house running amuck. And there seems to be no differfence between the LCD and the Plasma. Hope this help someone's problem.
Sounds like main board fault. Contact the authorized service centre for Sony. If you wish to get some details; check the site linked here. Viewing it in "Mosaic
" will make surf easy. Surf the site with patience.
Pull up older posts there.
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