There is a blank gray plate above the control module, held by two small phillips screws; the control module is the one with the ready lights on the back of the unit. Behind the plate are slots for two half-width cards, the acon board goes in the outside slot. Some acon boards are keyed and may not seat properly; you can cut out the tabs on the card connector for acon. Your main projector software must be v2.0 or higher; some early control boards may need resistors changed to work properly.
Are there different ACON boards for ECP and Marquee's? Are the cameras the same? I have a model 50-1915-03P board. This board looks like it has its own power supply onboard with a heatsinked rectifier?
There has been resistors added to one IC and a thin wire going to another IC with 4 more resistors grouped together.
PS: Got your shipment today. Everything arrived OK. Canada Customs charged me PST (Provincial Sales Tax) and GST (Federal Tax) $27CDN
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