Replace the 4719-001997 DLP Chip to banish Mitsubishi WD-73638 white dots

4719-001997 DLP Chip in Mitsubishi WD-73638Seeing white dots on the Mitsubishi WD-73638 screen? Replace the 4719-001997 DLP Chip

The white spots on your Mitsubishi WD-73638 are caused by the DLP chip being worn out. Known as Mitsubishi white death syndrome, this problem can be solved  by installing 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-73638 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-73638 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-73638 RPTV

Step 3

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 4

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 5

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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-736387 RPTV

Step 7

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 8

Step 8: Disconnect the cables connecting the color wheel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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 MitsubishiWD-73638 RPTV

Step 10

Step 10: Remove the cooling unit.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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-73638 RPTV

Step 12

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 13

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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-73638 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-73638 RPTV

Step 16

Step 16: Put the terminal back into its holder.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 17

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 18

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 19

Step 19: Put the fan unit back on.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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-73638 RPTV

Step 21

Step 21: Reconnect the cables connecting the color wheel.

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 RPTV

Step 22

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

replace 4719-001997 DLP Chip in the Mitsubishi WD-73638 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-73638 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-73638 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 MitsubishiWD-73638 RPTV

Step 26

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

replace 4719-001997 DLP Chip in the MitsubishiWD-73638 RPTV

Step 27

Step 27: Tighten all the screws on the back panel. Enjoy your crisp, clear picture on your Mitsubishi WD-73638 RPTV.

Learn more about your Mitsubishi WD-73638 RPTV:

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

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