Question about Vizio L32 32 in. LCD HDTV
It had a bad fuse. We replaced it and it immediately blew when we turned it on. I don't think it is the power inverter board as it doesn't turn on at all. Could it be the rectifier diode? Can it be tested? thanks
Check your power board not the inverter board. Caps, diodes usually go first. get them replaced with a higher voltage capacitor, same value (1000 uF 15v with a 1000 25- 35v is ok)
Posted on Jan 24, 2009
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Posted on Jan 02, 2017
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Oct 25, 2011 | Olevia LT42HVi 42 in. LCD Television
Since you've already replaced the power cord and still the led light won't came on, this is an indication that the power supply board of your unit is dead. If it is not under warranty period(if so, avail it because the manufacturer will fix it for free) open the back cover and check the continuity of the fuse using the multimeter, if you found it open replaced it with the same current(ampere) ratings and then try to turn on the TV. If the replacement fuse blew again, this is an indication of more serious problem on that board. If the replacement fuse didn't resolve the issue, other parts on that board gone to malfunction as well. If this is the case, I would advice you to replaced the entire board for your convenient. The cost will almost the same rather than troubleshoot it. Check the actual part no of your board and check this LINK.
Hope I helped you.
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