Question about Hitachi 53UDX10B 53" Rear Projection Television
There's a click as if the TV is turning on...then a few synchronized ticks...then another click and nothing happens.
It functioned this weekend for about 10 seconds then everything went black and it's been this way ever since. We can't get it to turn on.
There should be a soldered in fuse in the
convergence IC input chain, usually fairly close, if there is an
inductor coil in the chain, look for the fuse just upstream of that.
Each IC will have a fuse, they look like resistors, but are usually
solid color, white, light blue, or light green. Check those for opens.
If you find an open, you can bridge it with a fuse of similar load capability, just to see if the set will power up. If the fuse blows again, look for solder bridges in the IC joints. I know you were careful, but it's really easy to get a bridge, or perhaps overflow the solder to another trace on the board.
In lots of cases, when the IC goes, it takes the fuse with it, and you don't find out until you try to power it up.
Posted on Dec 10, 2007
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