Good prognosis - and if replaced and still does not work then it has to be a ballast issue.
SOURCE: Samsung 46" DLP
The lamp drive Circuit. There is a Ballast that could be bad. The ballast is located here: http://www.samsungparts.com/part_detail.asp?catalog%5Fname=Parts+and+Accessories&product%5Fid=BP96-00690A&search%5Fmodel=HLP4663W Or the DMD board located here:http://www.samsungparts.com/part_detail.asp?catalog%5Fname=Parts+and+Accessories&product%5Fid=BP96%2D00678B&search%5Fmodel=HLP4663W Or the power board located Here:http://www.samsungparts.com/part_detail.asp?catalog%5Fname=Parts+and+Accessories&product%5Fid=BP94%2D02141A&search%5Fmodel=HLP4663W Good Luck
SOURCE: picture loses color on samsung HLN4365W
if the picture is still visible but lacking color, it is not the lamp. check the color wheel and make sure it is working. replacing the color wheel is a pretty easy task and can be performed by yourself without many problems. as a sidenote, older samsung dlp tvs seem to experience this problem quite often, although they usually sound like someone strangling a cat before the bearings go out..
partstore.com should carry your replacement for 100 USD or so, the part number is BP96-00250A.
before replacing it, make sure your old one isn't just stuck or not spinning at full rpm, if this is the case, you can usually remove it and clean the motor using electronic or contact cleaner that is safe for plastics.
to check everything out, you will need to remove the back panel of your tv, then power it up (keep kids, small animals, hands and such away from the back while powered up), take a look in front of the projection lamp and see if the wheel is turning. if not, a very good writeup is available here, this is the writeup i send my own customers to if they feel like attempting the repair themselves.
replacing the color wheel is actually not very hard at all, if you have ever worked on your own desktop pc (installed a new drive or upgraded it yourself) then you should be able to do this with limited difficulty.
hope this helps,
trin
SOURCE: Samsung 46" DLP
HLP, HCN HL-S The Start-up Problem or/and
3 LEDs in the front blinking.
Unplug the set, pull out the lamp module (not all the way - leave it on the track) and push it back in.
Power issues (Tv not turning on) were typically due to faulty ballast. While the TV reports a bad lamp it is the ballast itself causing the issue. Samsung is well aware and will replace both the ballast and the lamp (since the lamp can be prematurely aged but the bad ballast). After replacment most people stop having issues.
SOURCE: samsung,model-HLP4663WX/XAA , bought in jan.
Had same problem. Bought replacement lamp. Worked for 6 weeks now I'm looking at replacing the ballast. TV turns of after 5 minutes.
SOURCE: TV won't stay on. Green & Red light timer-lamp (Green) stand by/temp (red) flash.
Most likely needs a new lamp. Easily done yourself.
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