We have a number of Casio DLP projectors XJ-A135 giving us problems. The picture appears to have dead cells. Looking on this forum:
Link: Optoma HD600x Dead Pixels? | AVForums.com - UK Online
And looking at this picture:
Shows the problem accurately. The forum talks about replacing the DMD [Digital Micromirror Device] Has anyone done this or had it done? Does anyone know what costs I can expect?