20 Most Recent Mitsubishi WD-73735 73-Inch 1080p DLP HDTV Questions & Answers

you will need to pull the DLP chip out & clean the dust & foreign particles that got in while you had it apart.

You need to clean the lenses in front of the light bulb and clean out the inside of the light box too

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. https://homenol.blogspot.com/ https://electronicshelponline.blogspot.com/ If blinks continue without any pause, or the LED light stationery; the main board is faulty. Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. See the site by a desktop. Mobile view has no search box. If you are viewing it by your mobile, see it in webview/

Have you checked DLP termistor?

Basing the replacement of the board on the clicking sound of a relay trying to close is not a safe bet. The first thing you need to do is check the bulb. Then there is a ballast board and then the Power supply board. Parts might be hard to find. Use the website I listed to see what part numbers are then google it or look on eba or amazon for those parts. Mitsubishi WD 60C8 TV Parts

Most likely a fuse blew when the lamp blew, there is internal fuses on the power supply board on these mitsubishi's, if the fuse is ok though then most likely another component somewhere failed.

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.

Replace your lamp. Make sure its a real Osram bulb and not some cheap knock off. These folks have Osram bulbs and a 6mo warranty. Projector Lamps and TV Lampson Sale ProjectorLamps com stocks Superior...

If your set worked well (no lines, maybe only white or black scattered pixels) before you replaced the DLP chip, then your problem could be that the DLP chip did not get seated properly or the cam screws were not tightened enough after replacing the chip. The DLP chip must be seated properly in its socket or else line and column lines will be seen. There is also the possibility that the DLP chip is defective or suffered static damage while being handled during the installation. Hope this helps.