Question about Samsung DLP HL-P5663W 56" TV
I had black vertical Lines. Sometimes across the entire image, sometimes partial. Came and went. Seems a dead-ringer for cold solder joints on the BGA of the DLP IC.
So i threw down $15 and bought the service manual online, pulled out the entire light engine assembly, and blew everything out, vacuumed etc.
I then tightened the heat sink on the DMD (supporting the DLP chip). Made the problem consistent (black lines) always. So then I slightly loosened the spring clamp screws - black lines went away.. Obviously this varies from each device, where the cold solder joint(s) are etc, But this will keep the Mrs happy until I work up the courage to reflow oven the DMD board, or get a new one. Anyone reflow oven their DMD boards yet?
Posted on Jun 21, 2008
Your tv has a failing DMD board. White vertical lines is the first symptom of this it is bad solder connections on the Control Ic this is what we call a BGA ic and is not serviceable in the field if you are good with electronics you can replace the dmd board it is a task in itself you are looking at about 450 or so for the part. The part number for the DMD is Bp96-00678A. The light engine comes with a new DMD board and it is easier to change only takes me about 20 minutes or so this would be part number Bp96-00822G and could run as low as 500 dollars after you return the core depends on where you get it.
Posted on Feb 08, 2008
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