Model Name : EP706/709SERVICE MANUALDate Revise Version Description2006/09/05 V1.0 Initial IssueCopyright September, 2006. All Rights Reserved P/N: 36.86J03G001Prepared by SI : ________________________________________Prepared by TSE : ________________________________________Check by : ________________________________________Approved by : ________________________________________This manual is applied to EP706/709 projection system.The manual gives you a brief description of basic technical information to help in service and maintain the product.Your customers will appreciate the quick response time when you immediate-ly identify problems that occur with our products.We expect your customers will appreciate the service that you offer them.This manual is for technicians and people who have an electronic background.Please send the product back to the distributor for repairing and do not attempt to do anything that is complex or is not mentioned in the troubleshooting. Notice:The information found in this manual is subject to change without prior notice.Any subsequent changes made to the data herein will be incorporated in future edition. EP706/709 Service Manual Copyright September.2006All Rights ReservedManual Version 1.0EP706/709iPrefaceCondentialiiTable of ContentEP706/709Chapter 1Introduction1-1 Product Highlight1-1Compatible Mode1-5 Chapter 2Disassembly Procedure2-1Equipment Needed2-1Disassemble Lamp and Lamp Cover2-2Disassemble Elevator Module2-3Disassemble Rear Cover2-6Disassemble Top Cover2-7Disassemble Keypad Board and Keypad LED Lens Rubber2-8Disassemble Shield and Speaker 2-9Disassemble Main Board2-11Disassemble Front Cover2-12Disassemble Lamp Driver2-13Disassemble LVPS2-14Disassemble Lamp Housing and Lamp Fans2-15Disassemble Engine2-17Disassemble Thermal Switch and Light Cut2-18Disassemble Color Wheel and Photo Sensor2-19Disassemble Zoom Ring and Focus Ring2-20Disassemble DMD Board2-21Disassemble Blower Fan Module and Bottom Cover2-22 Chapter 3Troubleshooting3-1Equipment Needed3-1Main Procedure3-1Chapter 4Function Test & Alignment Procedure4-1Test Equipment Needed4-1Service Mode4-1Test Condition4-2Inspection Procedure4-2 Condential iiiEP706/709Chapter 5Firmware Upgrade 5-1Equipment Needed 5-1Installation Procedure5-2Firmware Upgrade Procedure5-5 Chapter 6EDID Upgrade6-1 EDID Introduction6-1 Equipment Needed6-1Setup Procedure6-2EDID Key In Procedure6-3 Appendix A 7-1Appendix B 7-31 Serial Number System Denition 7-31PCBA Code Denition7-32Condential1-1EP706/709 CondentialChapter 1Introduction1-1 Product HighlightsTo create a ultra low cost DLP based SVGA front projector for end of third quarter of 2006(EP706)To create a ultra low cost DLP based XGA front projector for end of third quarter of 2006(EP709)One panel 0.55 DMD XGA projection system with 1800 ANSI lumens (Marketing)(EP706)One panel 0.55 DMD SVGA projection system with 1800 ANSI lumens (Marketing)(EP709)Phoenix 180 W Lamp (user replaceable), Hitachi lamp driver without dim ( eco mode) support.Light weight Approx. 4.4 lbs.Manual focus projection 1:1.10 zoom lensTrue 800 x 600 resolution, 16.7M True colors(EP706)True 1024 x 768 resolution, 16.7M True colors(EP709)With Front, Rear, Desktop, and Ceiling Mount projection modeBuild-in full screen NTSC/PAL/SECAM video capability with S-video / Composite / component and HDTV terminals via the VGA adapterSXGA/XGA/SVGA/VGA/MAC compatibility.Auto image re-sizing to 800 x 600 full screen(EP706)Auto image re-sizing to 1024 x 768 full screen(EP709)Auto detection of computer signal inputAuto Image synchronization (Auto-tracking /frequency /position adjustment)Powerful enlarge and freeze functionAutomatically saves adjustments for future useOn-screen menu with 18 languages English, French, German, Spanish, Italian, Portuguese, Dutch, Swedish, Finnish, Greek, Danish, Norwegian, Polish, Russian, S_Chinese, T_Chinese, Korean, Japa- neseAdaptive voltage control fan speed Express on/off feature 4 second to display image and 10 second to unplug the power cord.Abnormal shutdown message in the service manualAdvance RS232 w/projector ID similar as E7471-2EP706/709 CondentialNo Item Description1 TechnologySingle 0.55 SVGA DDR DMD chip (EP706)Single 0.55 XGA DDR DMD chip (EP709)2 Resolution800 x 600(EP706)1024 x 768(EP709)3 BrightnessMarketing specication: 1800 lumensEngineering typical : 1440 lumensEngineering minimum: 1200 lumens4Contrast ratioMarketing specication: 2000:1 full on/full offEngineering typical : 1800:1Engineering minimum: 1400 :1 full on/full off5 UniformityMarketing specication: 85%Engineering typical : 80%Engineering minimum :65%6Displayable colors16.7 million colors 256 shades of gray7Color temperature6500K adjustable from 6500K to 9500K8 Lamp type 180 watt SHP DC lamp9 Lamp life Marketing specication: 3000 (STD)10Projection distance1.5m to 12m11Throw ratio 1.93 ~ 2.13:1distance/width 12 Weight