Get 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:
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.
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
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.
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
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:
