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Vizio 42" LED TV No backlight, blows fuse
Hi;
This is a Vizio M420NV. Backlight was out, I found an open 3A fuse (TF1) on the main board that carries 12.4 vdc. When fuse replaced, the backlight will flash a couple of times and poof goes the fuse again. I don't have a diagram. I wonder if this might be due to a inverter fault ? I checked power transistors on main and power supply board. Any ideas ? Thanks, |
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