Question about Olevia 227-S11 27 in. LCD TV
First, look at the screen in darkened room to see if you can see any slight glow from the sreen, if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter baord to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there are some troubleshoot you will have to do to find out the causes of the problem you are having.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Posted on Jul 16, 2010
Ur tv now turn on,have a picture flicker a few sec. than dies,just have sound left?Yes,than the 2 or 1 long boards call the LCD inverter boards are dead.The 1 or 2 long LCD inverter boards,these 1 or 2 long LCD inverter boards help the LCD screen to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy a those 1 or 2 long LCD inverter board for the replacement.
Posted on Jul 15, 2010
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Posted on Jan 02, 2017
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