Question about Samsung HLP5085W 50" Rear Projection HDTV-Ready Television
The blues on my Samsung HLP5085W look green most of the time. Sometimes they'll display blue for a few minutes, but then they go back to green. I thought maybe I needed to change the lamp, since it was 5 years old, so I did, but it has not helped. I've read a lot about the color wheel and wonder if this is the problem, but there is no noise associated with the problem. All the other colors appear normal; just the blue is wrong and appears green.
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Posted on Jan 02, 2017
Sounds like you've lost your red video signal (chroma) somewhere along the line. This tv has a 3 board video path. Analog main pcb --->Digital main pcb --->DMD pcb. The analog has all your inputs on it, except DVI and RGB which go straight into the digital board. The digital scales (upconverts) the signal to HD (1080 or native) and sends it to the DMD or light engine. See which inputs are distorted. If only DVI is clean then you problem is the analog board. If you menu and everything is distorted then suspect the DMD board. If you run component or DVI through the resolutions (480i, 480p, 720p, 1080i) you can get an idea between the digital board and dmd. The menu is generated on the digital board. Somewhere red is getting lost.
Posted on Dec 08, 2008
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