Question about Samsung HLT6187SAX 61" DLP HDTV
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Posted on Jan 02, 2017
You will actually get white and black dots , the black ones are tougher to see because of the color in the background , within 2 months youre picture will be fully covered with dots....I went through the Samsung website troubleshooting flow chart , and it led me to a bad Digital Micromiror Device , or DMD board . What is actually the problem is the DMV chip connected to this board . Inside this chip are 3 million tiny mirrors ,and when they physically get stuck , they either show black or white instead of a color . Samsung will not tell me the part number of the chip , they will only offer to send a service tech to my house .
Posted on Jul 30, 2008
See link below for "field of stars" fix:
Worked a charm on my 50" Samsung DLP. Read thread carefully as there are 2 different version of the DMD chip you will need to replace. I ended up fixing mine for less than $165!
Posted on Apr 07, 2009
SOURCE: Smasung 50 Green Screen
I had a 50" DLP sampson with the green screen problem plus it has a power off problem; meaning the TV shuts off for about 10 seconds then turns back on when watching Hd TV it got to be a problem when if happend about ever half hour. The analog TV stations are the only green screen. You had to unplug TV to get rid of green for short time.
If you feel the back cover of theTV, the cover is hot to the touch, so hot in places to make you **** your hand back from the heat.
I removed the lower back section ( had to unplug all cables from back cover,Don''t forget the power cable) I used my shop vac placed the hose on blow outlet and blew out all the dust inside the set. (DON"T put hose to close to TV's componits!) Next I removed TV's LOWER back cover, found vent in back for the TV"s fan (over the heat sink), marked the back vent then I went to local Electronics store.
I purchased one 115 volt fan , one cord that pluged into fan and other end into eletricial outlet. Locating center of TV fan on TV's back cover
find best location to mount fan. ( I check fan before mounting by plugging it in to wall outlet to find out air flow direction) I wanted the air flow pulling air out of TV. I mounted my fan on outside of TV's cover left and up from THE TV"s FAN CENTER.
Remount TV's cover with fan. Plug in all your cables, plug in power and fan. turn on TV. After I done above proseager After 8 hours of tv bring on no green screens, no power shut down. The back pannel of TV is cold to the touch except the vent for the projecter lamp.
The Fan I used is a Orion coolong Fan (Knight Eletronics) Part number OA92AP-11-1TB total cost: Fan and cord, nuts, washers and & bolts Under $25.00. Not bad even if TV just last another few months
Posted on Mar 20, 2010
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