![](http://pdfasset.owneriq.net/c/97/c97ba420-3e22-4d6f-a876-a51247d09f20/c97ba420-3e22-4d6f-a876-a51247d09f20-bg4.png)
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528
Page 4
Fans Power Supply....................................................................................................................... 53
Analog Video Signal Path ............................................................................................................. 54
Digital Video Signal Path .............................................................................................................. 55
Sound Signal Path ........................................................................................................................ 56
Command Input Circuitry............................................................................................................... 57
Serial Data Control Lines .............................................................................................................. 57
Lamp Control Circuitry .................................................................................................................. 58
Shutter Control.............................................................................................................................. 58
Lamp, Engine and Fan’s Protect circuitry ..................................................................................... 59