Question about Samsung HCN473W 47" Rear Projection Television
Most likely cause would be a loose solder connection that expands as the set warms up until it no longer makes a connection. You may get the blue to come and go by hitting the side of the cabinet after the set is warmed up awhile. (don't hurt your hand doing this, and don't keep doing it to "fix" the set. The connection will have to be located and repaired). Otherwise, there could be a component going bad, including the blue picture tube.
Posted on Dec 24, 2006
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ok,your porblem is very simple,reheat or resolder the main board your tv.
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