Originally Posted by brucemuir
I recently rebuilt a Super Chromega Dichroic II to mount on my older DII chassis.
First place I'd look is the enlarger bulb socket.
These are super easy to replace and readily available for cheap and most are deteriorating if they sit unused for some time.
It looks like a squareish porcelain socket. The bulb plugs into this socket via pins and the pins can shear easily.
I've read in other forums that the ceramic piece can be a problem. I'll check that as well. Thanks!