Eliminate white dots on your Mitsubishi WD-73837 with a new 4719-001997 DLP Chip

4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTVAnnoying white dots on your Mitsubishi WD-73837 screen? Replace the 4719-001997 DLP Chip

White dots, a.k.a as white death syndrome is caused by the 4719-001997 DLP Chip wearing out. 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-57733WD-57734WD-57833WD-60638WD-60733,WD-60735WD-60737,WD-60738WD-60833WD-60837WD-60C8,WD-60C9WD-65638,WD-65731WD-65733,WD-65734WD-65735, WD-65736WD-65737WD-65738,WD-65833,WD-65835,WD-65837WD-65838,WD-65C8,WD-65C9WD-73638WD-73640WD-73642WD-73733WD-73734WD-73735WD-73736,WD-73737WD-73738WD-73833WD-73835,WD-73837,WD-73838WD-73840WD-73C11WD-73C8WD-73C9WD-75837WD-82737WD-82738, WD-82838WD-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.

Equipment needed

  • 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

replace 4719-001997 DLP Chip Mitsubishi WD-73837 RPTV

Step 1

Step 1: Put on the plastic gloves. Loosen all the screws found on the back panel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 2

Step 2: Put the screws to the side. Gently remove the back panel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 3

Step 3: Remove the 3 screws holding the lamp engine in place.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 4

Step 4: Disconnect all the connectors. Important: don’t yank any cables.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 5

Step 5: Carefully slide the light engine from the cabinet.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 6

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.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 7

Step 7: Carefully disconnect the cable between the terminal board and lamp.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 8

Step 8: Disconnect the cables connecting the color wheel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 9

Step 9: Loosen the 3 screws holding the cooling unit/fan to the terminal board.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 10

Step 10: Remove the cooling unit.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 11

Step 11: Loosen the 2 screws holding the terminal cover in place. (Good time to dust this section).

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 12

Step 12: Loosen the 10 screws holding the terminal in place.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 13

Step 13: Carefully pop the terminal out of its holder.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 14

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.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 15

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.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 16

Step 16: Put the terminal back into its holder.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 17

Step 17: Tighten the 10 screws holding the terminal in place.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 18

Step 18: Tighten the 2 screws on terminal board’s cover.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 19

Step 19: Put the fan unit back on.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 20

Step 20: Tighten the 3 screws holding the cooling unit/fan to the terminal board.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 21

Step 21: Reconnect the cables connecting the color wheel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 22

Step 22: Reconnect the cable between the terminal board and lamp.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 23

Step 23: Replace the color wheel protective cover and tighten the 3 screws.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 24

Step 24: Re-connect all the cables running from the terminal board and light engine.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 25

Step 25: Carefully place the light engine back inside the unit. Tighten the 3 holding the terminal board and light engine in place.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 26

Step 26: Put the back panel back onto the TV.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73837 RPTV

Step 27

Step 27: Tighten all the screws on the back panel. Enjoy your crisp, clear picture on your Mitsubishi WD-73837 RPTV.

Learn more about your Mitsubishi WD-73837 RPTV:

Find this new Mitsubishi/Toshiba 4719-001997 DLP Chip 1910-6143W on Amazon.

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4 comments on “Eliminate white dots on your Mitsubishi WD-73837 with a new 4719-001997 DLP Chip
  1. avatar dsk says:

    replaced chip got slanted picture, bulb blew and now tv turns on then shuts off with a noise.

    no picture, picture shuts off after 5 minutes and then keeps flashing red indicator light. any answers?

    • avatar Shelagh McNally says:

      Hi DSK,
      Did you replace the broken bulb? Make sure you have cleaned the whole area where the lamp exploded. After changing the lamp, you will need to reset the lamp timer. If this is not set, the TV will think the lamp has run out of life and keep shutting off. The flashing red indicator light may be the warning for a lamp reaching it’s end if life. You can purchase a lamp on ebay at a reasonable price. You may also want to check the warranty on your set and see if it’s still honoured. Philips-Lamp-Housing-For-Mitsubishi-WD73837-Projection-TV-Bulb-DL: http://www.ebay.com/itm/Philips-Lamp-Housing-For-Mitsubishi-WD73837-Projection-TV-Bulb-DLP-/111648874238
      Hope this helps.
      Cheers,
      Shelagh

  2. avatar Darrell says:

    Good instructions and illustrations. My only comment is with regard to: (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.)

    It seems that loosening the screw is mandatory as the chip will not align correctly if the screw is not loosened before the new chip is installed since tightening the screw after installing the new chip seems to push it to one side thus aligning it. I found this out the hard way as I simply tried to push the new chip into place after removing the old one with a screwdriver. After re-assembly and testing there was an obvious problem with the screen. After troubleshooting online, I re-installed the chip this time loosening then tightening the screw and the TV now works fine.

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