Stop Samsung HL67A750A1FXZA white dot syndrome

new 4719-001997 DLP Chip in the Samsung HLT5087SX RPTV

Seeing white dots on your Samsung HL67A750A1FXZA? Time to replace the DLP Chip

Replace your 4719-001997 DLP Chip for under $300 and get rid of those white dots.

Note: These instructions can 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

4719-001997 DLP Chip, Samsung Stop Samsung HL67A750A1FXZA RPTV

Step 1

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 2

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HL67A750A1FXZA RPTV

Step 4

Step 4: Carefully remove light engine from the cabinet.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HL67A750A1FXZA RPTV

Step 6

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 7

Step 7: Disconnect the clip connecting the cooling unit.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 8

Step 8: Remove the cooling unit and terminal board.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 9

Step 9: Remove the terminal board.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HLT5087SX RPTV

Step 11

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HL67A750A1FXZA RPTV

Step 13

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPYV

Step 14

Step 14: Put the terminal back into its holder.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 15

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 16

Step 16: Replace the terminal board’s cover.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 17

Step 17: Reconnect the clip holding the cooling unit.

4719-001997 DLP Chip, Samsung HL67A750A1FXZA RPTV

Step 18

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HL67A750A1FXZA RPTV

Step 20

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

4719-001997 DLP Chip, Samsung HL67A750A1FXZA 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 HL67A750A1FXZA 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 HL67A750A1FXZA RPTV

Step 23

Step 23: Put the back panel back onto the TV. Put the screws back into place and tighten. Enjoy the crisp, clear picture on your Samsung HL67A750A1FXZA RPTV.

Learn more about your Samsung HL67A750A1FXZA RPTV:

Shop on Amazon for this chip.

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