ViewSonic PJ1000 Service Manual - Page 25

weibep ImoJn VE PWB ass'y input terminal VIDEO 0 5 rt. RCA o Videol Y/C iRol . RCA Video2 y/C Video signal selection 3Line comb filter = o f Videol UR Video audio 0 Video2 UR selection PWB ass'y signal Video/ chroma HSync separation 4IGBNideo elector A/D Sync selection Scan converter PLL PLL OSD speaker PWB ass y input terminal RGB Audio Amp. Micro processor RGB 1 IN RGB 2 IN 3 RGB OUT g' RGB signal selection i Buffer 0 RGB1 UR RGB2 UR AUDIO OUT CONTROL ► RGB audio ► selectio I AC IN 0--0 0 V Control converter O Power unit PWB ass'y mother (circuit) 4 PWB ass'y HPower unit filter (ballast) Lamp Operation panel DC fan DC fan DC motor Dichroic Lens optics prism unit unit Optical Unit DC fan DC fan Choke trans senser D/A Video Amp.f e Inversion Amp Sample/hold PWB ass'y drive T ming generato LCD module ass'y LCD modu e ass'y (G) LCD module ass'y (B, fft