Hi there,To test your power supply will require a digital multimeter to take voltage readings.Do you have a multimeter to carry out some tests?
The most common fault with these power supplies is faulty capacitors, which can easily be replaced by an electronics technician using a soldering iron.
It is likely that some capacitors have started to fail previously, leading to your intermittent fault, and they have now totally failed, preventing your TV from powering on.
This is quite a common problem in these LCD TVs, and TV repair technicians are very familiar with repairing or replacing these power supplies.
If you decide you need to replace the power supply, the part number for it is FSP271-4F02.
These are available at a special price of $74.95 from http://www.shopjimmy.com/fsp-fsp271-4f02-power-supply-42-olevia-models.htm
Thanks, XXXXX XXXXX I do have a digital multimeter and I can solder as well. It would be great if I could replace a capacitor instead of the entire board. That is a very good price on the board. However, if you could explain the tests that I need to conduct, I would like to try that first. Again, Thanks!
First, you can have a look for any obvious signs of bulged or leaking capacitors on the power board.
If you see any damaged capacitors, these will need to be replaced.
To check voltages on the board you will need a service manual or schematic diagram, which unfortunately I don't have here. This will tell you the correct voltage at different areas of the circuit board, and you can then test the board to verify if it is working correctly or not.
Thanks Pete. I've decided to order the board and go from there. I appreciate the help