Question about iLO 3200 32 in. LCD Television
I purchased a 32" Olevia LCD TV last December from Circuit City. It is still under warranty of one year labor and parts. Last week, when turned on, it would show a pciture on 1/4 th of the screen and the rest was verticle lines and some curved lines. I sent the picture of the TV when on. Olevia tells me that there appears to be a physical damage to the TV and hence will not be covered. I know for a fact that nobody did anything to damage the TV.
Is there any technical component problem that could lead to such physical damage and how do I get it fixed or replaced, when there is no fault on my part. Thank you
My e-mail address is : firstname.lastname@example.org
SOURCE: ILO 26 HD TV
We bought one as well, sometimes it comes on and sometimes it don't. I think walmart needs to refund our money. They knew they were a bad deal since they don't even carry them anymore.
Posted on Dec 29, 2007
It may have dying 24vdc power supply for the backlight inverter board, but you need to find out first if you can see any backlights, since no pictures can also be caused by bad T-CON board.
To DIY repair you will need proper tools.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
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 (leaking/bulging top, high ESR) 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 board 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 is some troubleshooting 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:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Posted on Jan 04, 2011
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