Get rid of white dots on the Samsung HLS5087WX/XAA screen
White dots on your Samsung HLS5087WX/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:
Find this New Mitsubishi/Toshiba 4719-001997 DLP Chip 1910-6143W on Amazon.
- 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 HLS5087WX/XAA
Step 1: Put on the plastic gloves. Loosen all the screws found on the back panel of the Samsung HLS5087WX/XAA. Put the screws to one side and remove the back panel.
Step 2: Loosen the two screws holding the lamp bracket in place.
Step 3: Remove the 4 screws holding the lamp engine in place. Disconnect all the connectors. Important: don’t yank any cables.
Step 4: Carefully remove light engine from the cabinet.
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.
Step 6: Carefully disconnect the cables between the terminal board and lamp.
Step 7: Disconnect the clip connecting the cooling unit.
Step 8: Remove the cooling unit and terminal board.
Step 9: Remove the terminal board.
Step 10: Loosen the 7 screws holding the terminal cover in place. (Good time to dust this section).
Step 11: Carefully pop the terminal out of its holder.
Step 12: Unlock the old DLP Chip from the terminal. You may need to use a flat edged screwdriver to pop it out.
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.
Step 14: Put the terminal back into its holder.
Step 15: Tighten the 7 screws holding the terminal in place.
Step 16: Replace the terminal board’s cover.
Step 17: Reconnect the clip holding the cooling unit.
Step 18: Re-connect the cables between the terminal board and lamp.
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.
Step 20: Carefully replace the light engine back into the cabinet.
Step 21: Replace and tighten the 4 screws holding the lamp engine in place. Re-connect all the connectors.
Step 22: Put the light engine back into the RPTV. Tighten both screws that keep the back bracket in place.
Step 23: Loosen all the screws found on the back panel. Put the screws to one side and remove the back panel.
Enjoy the crisp, clear picture on your Samsung HLS5087WX/XAA RPTV.