Question about Westinghouse Flat Panel Televisions
Following an electrical storm, my out-of-warranty LTV-32w6 is no longer functional. After disconnecting and reconnecting power, I can press the power button and light the standard blue power LED on the front panel. However, there is no video and no sound. Pressing the power button again has no effect -- the power LED stays lit. I've used a multimeter to determine that the 5V line is active but all of the 12V and 24V lines are dead. There are no obviously damaged components on either the power supply or main board. I'm willing to buy a new power supply unit but replacing the main board will most likely be too costly. Does this sound like a power supply issue? Or could it be that the main board is not relaying the proper signal to fully activate the power supply?
One thing is to make sure the inverter board is unplugged when testing the voltages. A shorted inverter will shut down the power supply if the fuse dosen't blow first. There are fuses that don't look like fuses so they can be missed. The next thing would be to look for a connector from the main to power supply and see if there is a pin labeled power on or p.on or similar. The main board should turn this line high(5V) when you push the power button. If not you probably have a bad main board. Unless you can find good used boards they are both expensive. Around $200 for PS and $300 for main.
Posted on Jul 06, 2008
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