I have a 46 inch dlp model # hlp4663w, the 3 lights were blinking in front of tv and that says that the lamp is bad. The 3 lights are blinking together and will just keep blinking all night. So i changed the lamp but now when i turn the tv on the picture will only be there for about 3 mins and then it goes black but i still hear sound. The problem with that now is that i can't turn tv off(i press power on tv and remote and won't go off) The only way i can turn it off is by unplugging the tv. When i plug it back in it does same thing(picture goes black but i hear sound) the old lamp was still producing a picture so i put that lamp back in but still was going black and i had sound. And i still had to pull the plug to get tv off. I need some help to fix the problem
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If the capacitor on the ballast was puffed up or blown up you have to replace the lamp, ballast & SMPS at the same time. But if the ballast is not trying to fire the lamp it sounds like the color wheel is not coming up to speed. If this is the case, the set will not turn on.
First. Lamps can look ok in the center and still be bad. Install a new lamp since I do not know when you replaced the lamp or if at all. Turn on the set and at the same time look through the Lamp Door vent slots to see if the lamp Illuminates. If so your lamp is ok and the Color Wheel is bad.
hi, leaves only 3 options
1. color wheel not coming up to 6000 rpm`s
2. no ballast strike to lamp
3. lamp door safety switch in wrong position when door was re-attatched.
highly unlikely but not impossible u got a defective lamp, did your old lamp still come on? if so put it back in, if it lights up new lamp is bad, my money is on the color wheel if you installed lamp door correctly, gl, video-tek
If you have already replaced the lamp and ballast, to no avail, then it is time to take it in to a certified repair center. Most will charge a nominal diagnostic fee. My 61" did the same thing and it turned out to be the Light Engine (of which the DMD Board is a part).
If the problem were the color wheel, the lamp would come on for a bit until the color wheel sync couldn't be achieved and then it would turn off. The all-3-flashing-lights problem is the lamp. Here is a page from the service manual on the 3 blinking lights problem.
The Light Engine controls the ballast via a separate signal than the 320 Volts. The voltage reading means that the Power Board is working properly.
Check your old lamp. Do you remember what its condition was like. If the tube inside the lamp was shattered into a thousand pieces that is a sign of ballast problems and that is where you should start to look. After all the ballast is what runs your lamp.
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