Stop Samsung HL67A750A1FXZA white dot syndrome
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:
50A650C1FXZA, HLT5055WX/XAA , HLT5076SX/XAA, HLT5087SX/XAA, HLS5087WX/XAA, HL56A650C1FXZA, HLT5656WX/XAA, HLT5676SX/XAA, HLT5687SX/XAA, HLT5687SAX/XAA, HLT5689SX/XAA, HLT6156WX/XAA, HL61A650C1FXZA, HL61A750A1FXZA, HLT6156WX/XAA, HLT6176SX/XAA, HLT6187SAX/XAA, HLT6187SX/XAA, HLS6187WX/XAA, HLT6189SX/XAA, HL67A750A1FXZA, HLT6756WX/XAA, HL72A650C1FXZA, HLT7288WX/XAA
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
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.
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 DMD 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: 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:
- 7 Tips for extending RPTV lamp life
- RPTV Troubleshooting: TV won’t turn on
- Consumer Alert: The dangers of RPTV generic lamps
Shop on Amazon for this chip.