Stopping the Samsung HLT7288WX/XAA white dot

4719-001997 DLP Chip, Samsung HLT5687SX RPTVGet rid of Samsung HLT7288WX/XAA white dots

White dots on your Samsung HLT7288WX/XAA screen  can be eliminated by replacing the 4719-001997 DLP chip. Follow the step by step guide below to replace this chip.

Note: These instructions can also be used for the following Samsung models: 

50A650C1FXZAHLT5055WX/XAA HLT5076SX/XAAHLT5087SX/XAAHLS5087WX/XAAHL56A650C1FXZAHLT5656WX/XAAHLT5676SX/XAAHLT5687SX/XAAHLT5687SAX/XAAHLT5689SX/XAAHLT6156WX/XAAHL61A650C1FXZAHL61A750A1FXZAHLT6156WX/XAA, HLT6176SX/XAAHLT6187SAX/XAAHLT6187SX/XAA, HLS6187WX/XAAHLT6189SX/XAAHL67A750A1FXZAHLT6756WX/XAAHL72A650C1FXZAHLT7288WX/XAA

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

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

Replacing the 4719-001997 DLP Chip in the HLT7288WX/XAA

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 1

Step 1: Put on the plastic gloves. Loosen all the screws found on the back panel of the Samsung HLT7288WX/XAA. Put the screws to one side and remove the back panel.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 2

Step 2: Loosen the two screws holding the lamp bracket in place.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 3

Step 3: Remove the 4 screws holding the lamp engine in place. Disconnect all the connectors. Important: don’t yank any cables.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 4

Step 4: Carefully remove light engine from the cabinet.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 5

Step 5: Remove the 2 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.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 6

Step 6: Carefully disconnect the cables between the terminal board and lamp.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 7

Step 7: Disconnect the clip connecting the cooling unit.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 8

Step 8: Remove the cooling unit and terminal board.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 9

Step 9: Remove the terminal board.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 10

Step 10: Loosen the 7 screws holding the terminal cover in place. (Good time to dust this section).

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 11

Step 11: Carefully pop the terminal out of its holder.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 12

Step 12: Unlock the old DLP Chip from the terminal. You may need to use a flat edged screwdriver to pop it out.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 13

Step 13: Place the new DLP chip into place. Handle the DLP CHIP only by the edges because it is very sensitive to static electricity.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 14

Step 14: Put the terminal back into its holder.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 15

Step 15: Tighten the 7 screws holding the terminal in place.

 

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 16

Step 16: Replace the terminal board’s cover.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 17

Step 17: Reconnect the clip holding the cooling unit.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 18

Step 18: Re-connect the cables between the terminal board and lamp.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 19

Step 19: Tighten the 2 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.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 20

Step 20: Carefully replace the light engine back into the cabinet.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 21

Step 21: Replace and tighten the 4 screws holding the lamp engine in place. Re-connect all the connectors.

4719-001997 DLP Chip, Samsung HLT7288WX/XAA RPTV

Step 22

Step 22: Put the light engine back into the RPTV. Tighten both screws that keep the back bracket in place.

4719-001997 DLP Chip, Samsung HLT6756WX RPTV

Step 23

Step 23: Put the back panel back onto the TV. Put the screws back into place and tighten them.  Enjoy the crisp, clear picture on your Samsung HLT7288WX/XAA RPTV.

Learn more about your Samsung HLT7288WX/XAA RPTV:

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