How to replace 4719-001997 DLP Chip in the Mitsubishi WD-73833 RPTV
Stop white dots on your Mitsubishi WD-73833 screen
The white spots on your Mitsubishi WD-73833 are caused by the DLP chip being worn out. Known as Mitsubishi white death syndrome, this problem can be solved by installing a new Mitsubishi/Toshiba 4719-001997 DLP Chip 1910-6143W.
Note: These instructions can also be used for the following Mitsubishi models:
WD-57733, WD-57734, WD-57833, WD-60638, WD-60733,WD-60735, WD-60737,WD-60738, WD-60833, WD-60837, WD-60C8,WD-60C9, WD-65638,WD-65731, WD-65733,WD-65734, WD-65735, WD-65736, WD-65737, WD-65738,WD-65833,WD-65835,WD-65837, WD-65838,WD-65C8,WD-65C9, WD-73638, WD-73640, WD-73642, WD-73733, WD-73734, WD-73735, WD-73736,WD-73737, WD-73738, WD-73833, WD-73835,WD-73837,WD-73838, WD-73840, WD-73C11, WD-73C8, WD-73C9, WD-75837, WD-82737, WD-82738, WD-82838, WD-Y657 WD-C657,WD-Y577.
Find this new Mitsubishi/Toshiba 4719-001997 DLP Chip 1910-6143W on Amazon and then follow our step-by-step visual guide.
- Electric Philips screwdriver
- needle nose pliers or a 5mm nut driver
- antistatic gloves OR plastic gloves used with an antistatic wrist band
- soft cloth or brush
How to replace the 4719-001997 DLP Chip
Step 1: Put on the plastic gloves. Loosen all the screws found on the back panel.
Step 2: Put the screws to the side. Gently remove the back panel.
Step 3: Remove the 3 screws holding the lamp engine in place.
Step 4: Disconnect all the connectors. Important: don’t yank any cables.
Step 5: Carefully slide the light engine from the cabinet.
Step 6: Remove the 3 screws holding the color wheel protective cover in it place. Avoid touching any of the optical components as this can affect the quality of your picture.
Step 7: Carefully disconnect the cable between the terminal board and lamp.
Step 8: Disconnect the cables connecting the color wheel.
Step 9: Loosen the 3 screws holding the cooling unit/fan to the terminal board.
Step 10: Remove the cooling unit.
Step 11: Loosen the 2 screws holding the terminal cover in place. (Good time to dust this section).
Step 12: Loosen the 10 screws holding the terminal in place.
Step 13: Carefully pop the terminal out of its holder.
Step 14: Unlock the old DLP Chip from the terminal. You may need to loosen the screw on the side or use a flat edged screwdriver to pop it out.
Step 15: Place the new DLP chip into place. Handle the DMD DLP CHIP only by the edges because it is very sensitive to antistatic electricity.
Step 16: Put the terminal back into its holder.
Step 17: Tighten the 10 screws holding the terminal in place.
Step 18: Tighten the 2 screws on terminal board’s cover.
Step 19: Put the fan unit back on.
Step 20: Tighten the 3 screws holding the cooling unit/fan to the terminal board.
Step 21: Reconnect the cables connecting the color wheel.
Step 22: Reconnect the cable between the terminal board and lamp.
Step 23: Replace the color wheel protective cover and tighten the 3 screws.
Step 24: Re-connect all the cables running from the terminal board and light engine.
Step 25: Carefully place the light engine back inside the unit. Tighten the 3 holding the terminal board and light engine in place.
Step 26: Put the back panel back onto the TV.
Step 27: Tighten all the screws on the back panel. Enjoy your crisp, clear picture on your Mitsubishi WD-73833 RPTV.
Learn more about your Mitsubishi WD-73833 RPTV:
Find this new Mitsubishi/Toshiba 4719-001997 DLP Chip 1910-6143W on Amazon.
The TV that is used in this tutorial is not a Mitsubishi WD-73833 as stated, so it looks a bit different inside, and a few of the steps are a bit different too.
However, if you are at least a little mechanically inclined or a hands-on type, you should be able to use this guide to replace the DLP chip in your WD-73833 TV. I just finished and it works like new now. Expect it to take a few hours to complete this job, not the 20 or so minutes stated on some websites. Remember we are not TV repair people who work on this stuff everyday, so we proceed slowly and with extreme caution because we are worried about destroying our TV in the process. It took me almost 3 hours, but am glad I did it myself.
I did use an anti-static wristband and rubber gloves. I also used this opportunity to vacuum out any dust in the fans and other areas where dust had built up after 7 years of use.
Thanks for the suggestion Scott. If you want a community of experts to help you with your DLP problem, join our forum. We have a lot of experts on hand over there who will help you out.