Question about iLO 3200 32 in. LCD Television
If the fuse is in direct line with the main power supply, the supply itself has failed.
If it is on the output side of the supply (there may be several different voltages present), the next place to look would be the backlight circuit that generates the somewhat high voltage for the fluorescent backlight.
None of these points may have an obviously bad part and would require some understanding of electronics and at the minimum, a multimeter to troubleshoot.
What you can do by eyeball is to look for a separate board (there may be two; one for the low voltage circuits and the mentioned backlight supply) and examine them for signs of failed capacitors that may have caused further damage so that finding and replacing these may not cure the problem. A catastrophically failed cap will have a bulging top or crystaline deposits around its base. These bear markings in volts and microfarads such as '47uFd 16V.'
Replacement of these would require a decent soldering iron, rosin core solder and some care since the circuit boards may be easily damaged.
I doubt that whole replacement boards will be available since Ilo has sunk back into the pit that Walmart got them from. They were being serviced by Initial Technology in California but I think they are denying any relationship to the company that made these turkeys.
Posted on Oct 22, 2008
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Posted on Jan 02, 2017
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