Acer PD100 PD100 and PD120 Service Guide - Page 54

No Symptom Procedure 9 Poor Uniformity / Shadow - Ensure the Projection Screen without dirt - Ensure the Projection Lens is clean - Ensure the Brightness is within spec. (Replace the Lamp if the Brightness is less than spec.) - Check Engine Module 10 Dead Pixel / Dust (Out of spec.) - Ensure the Projection Screen without dirt - Ensure the Projection Lens is clean - Clean DMD Chip and Engine Module - Check DMD Chip - Check Engine Module 11 Garbage Image - Ensure the Signal Cable and Source work as well - Check Main Board - Check DMD Board 12 Remote Controll or Control - Remote Control Panel Failed a. Check Battery b. Check Remote Control c. IR Receiver - Control Panel a. Check FPC b. Check Keypad c. Check Main Board 13 Function Abnormal - Do "Reset" of the OSD Menu - Check Main Board - Check DMD Board Chapter 4 48