My samsung hln617w picture is on darkside. Is my lamp ready to be changed. I'm hooked up to cable box but no improvement even when brightness is at max.
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Some basic things to check first, all are simple: Do you have the same problem with something hooked to one of the audio/video inputs on the back like a DVD etc?
If you are using a box of some sort for signal, try to connect cable direct to set without box.
You most likely have to set the Cable Box to a specific resolution. Because that model only provides 720p/1080i, the box must be set to match that. You may need to use the yellow/white/red Composite output on the box to the tv first, so you can access the boxes menu and set it to 720p or 1080i, then I recommend using Component cables (Red/Blue/Green with white/red for audio) out of the box in to the TVs "Component 2" input. Now you should get a good HD picture. If you still can't get it to work, give me a reply with details and I will get back to you.
Ur tv been in use at least 1 1/2 or 2 years.On about 4 or 5 hours a day on this tv?The LED light indicator "LAMP" flashes?The projection bulb life is over.Require a new bulb.
Had similar problem. Thought it was the lamp. Examined old lamp but it appeared to be good. Ordered a new one anyway. Changed the lamp but the TV screen would not come on. It would make the usual noise as it was going to come on normally but it would cycle 3 times & then turn off. The LED lights in the front panel would indicate a defective lamp. Then read about the ballast. Changed the ballast & still same problem. Tried starting the TV without the lamp installed & noticed that the color wheel did not spin. Removed old color wheel & discovered it was broken. This appears to be the cause of all of my problems. I wish I new earlier of the test-turn on the TV without the lamp being installed & check to see if the color wheel is spinning. Would have save money on the lamp & ballast.
Most of the time when these sets won't turn off it's caused by the DMD but check the color wheel connectors first, especially the flat ribbon cable. Make sure it's in the connector in the correct direction, only has contacts on one side and make sure the ribbon is not torn.
Most likely for this symptom is the lamp. If you'd like you could sit behind the set and have someone turn it on, you should hear the color wheel spin up and then you should hear the ballast try to fire the lamp, it makes a small arcing sound. If the lamp doesn't light the process starts over again.
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