Mitsubishi WD - Recent Questions, Troubleshooting & Support - Page 8

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/

If you bought the set new you might just want to contact the manufacturer - if they are decent, they might just try to help you out with your dilemma.

check your screen back Light or get a working screen and test it or your screen flax is bad

Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://homenol.blogspot.com/ http://electronicshelponline.blogspot.com/ If blinks continue without any pause, the main board is faulty. Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

You cannot tell what capacitors are bad just by looking at them. Some can fail without any outward signs. You need a special meter to test them.

The ballast for the lamp too should be replaced along with the lamp. If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/