Optoma EP774 Service Manual Download Page 23 | Manualshive

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Rev. 01

Company Confidential Optoma_______________________ Delta____________

23

2007/06/13

Removing the Main Board

Fan1 – CN800

Fan2 – CN801

Power – CN900

Fan4 – CN802

SPK – CN704

Keypad – CN452

LAMP – CN530

Fan3 – CN905

Remove tow screws and two nuts
then Disconnect connectors.

CW – CN650

INDEX – CN850

IR2 – CN451

Cover switch – CN812

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Summary of Contents for EP774

Page 1: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 1 2007 06 13 Service Manual DLP Digital Projector Model Name EP774 TX774...

Page 2: ..._________________ Delta____________ 2 2007 06 13 Revision Description Date 00 Preliminary 06 01 2007 01 Specification Contrast Ratio Brightness revised Pg5 Spare parts list revised Pg70 Pg72 The views...

Page 3: ...LY A N D A S S E M B LY 2 0 5 F i r m w a r e 2 8 5 1 Projector USB Drivers Installation Guide 28 5 2 D L P P r o j e c t o r F l a s h To o l f i r m w a r e U s e r G u i d e 3 7 5 3 DLP Projector...

Page 4: ...3 Make sure that parts and screws and wiring etc are returned to their original positions Tube tape and other insulation materials have been used for safety reasons The internal wiring has been desig...

Page 5: ...e 2800 2500ANSI Lumens Typical 80 Minimum 70 Brightness Uniformity Test Method average 4 corners center at 9 points Color Reproduction 24 bit 16 7million True Color Color Temperature normal 6000K Colo...

Page 6: ...VESA 800x600 85 75 72 60 56 Hz VESA 640x480 85 75 72 60 Hz VESA 1280x1024 60 Hz RGB Analog Super VGA VGA Macintosh 13 16 19 Macintosh Power Mac SDTV 480i 576i thru RGB HD 15 EDTV 480p thru RGB HD 15 H...

Page 7: ...e tilt adjustable at side Dimensions WxDxH 11 81 x 9 61 x 3 95 300mm x 244mm x 100 5mm Net Weight Projector Only 3 7Kg 8 2 lbs Gross Weight 6 6Kg 14 6 lbs ID Design Security Lock Kensington Lock Safet...

Page 8: ...keypad emulation Flash upgrade Control RS 232 Yes Room Control Control Terminals Screen Control Yes 12V Build in Speaker 3 w mono speaker SPL 5W Plug Project EDID1 3 analog RGB DVI D with HDCP On Scre...

Page 9: ...O P DVI D With HDCP Yes Video CVBS Composite video RCAx1 S Video Y C Mini DIN Component Video VGA to Component thru HD 15_RGB Audio in Video Left Right RCA x2 Audio in PC Mini phone jack 3 5mm Audio o...

Page 10: ...se Russian Simplified Chinese Traditional Chinese Korean 8 CD Info file cover artwork as DLP generic 9 Carrying case with Optoma Logo 10 Lens cap slide door design Emboss Eyes Warning label optoma s d...

Page 11: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 11 2007 06 13 CABLE SIGNAL D SUB D SUB L2000 BLK RGB CABLE 2m P N 3080425001...

Page 12: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 12 2007 06 13 CABLE SIGNAL RCA RCA L1800 YEL 1 8m P N 3080301101...

Page 13: ...move 8 Page Up Page Up key for emulation of keyboard 9 Up arrow Up key for OSD menu 10 Page Down Page Down key for emulation of keyboard 11 Left arrow Left key for OSD menu 12 Enter Enter key for OSD...

Page 14: ...turn on off Blink Lamp not ready warming up shutting down cooling Power Lamp On Off switch Source Source selection Re sync Re Sync image perfection Menu Menu On Off switch Keystone Up Keystone when O...

Page 15: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 15 2007 06 13 2 6 Block Diagram OPTOMA EP774 TX774 Structure Diagram...

Page 16: ...ostat Ass y 2 Check the connection of Power Supply CON201 of Power board to CN900 of Main board 3 Check Power Supply Unit malfunction 4 Check keypad connection YES NO NO Connect the power cord POWER L...

Page 17: ...rd connector CN9050 of Fan disconnected 2 Check Burner fan malfunction 1 Check Main board connector CN800 of Fan disconnected 2 Check Power fan malfunction Lamp does not light No lighting operation so...

Page 18: ...tion 3 Check Main board connector CN451 U451 disconnected 4 Check IR PWB Ass y malfunction 1 Check the pattern generator setting is wrong 2 Check Main Board Ass y malfunction 3 Check DMD Set malfuncti...

Page 19: ...1 or more missing black 5 or more or sequence missing pixels DMD Set malfunction 3 Check Shadows on screen Dirt on DMD projection lens surface 4 Check Bluish shadows on corners of screen during white...

Page 20: ...___________ 20 2007 06 13 4 DISASSEMBLY AND ASSEMBLY Removing the Lamp Module and Lamp Cover Look at Top Case side Loose the two screws Open the lamp cover Loose the two screws and then take out the l...

Page 21: ...ntial Optoma_______________________ Delta____________ 21 2007 06 13 Removing the Top Cover Remove the two screws and take off the top case frame Remove these the eight screws Loose the two screws Then...

Page 22: ...Optoma_______________________ Delta____________ 22 2007 06 13 Removing the KeyPad Front Cover Main Board Remove these the six screws Remove these the six hexagonal bolts Remove these the seven screws...

Page 23: ..._ Delta____________ 23 2007 06 13 Removing the Main Board Fan1 CN800 Fan2 CN801 Power CN900 Fan4 CN802 SPK CN704 Keypad CN452 LAMP CN530 Fan3 CN905 Remove tow screws and two nuts then Disconnect conne...

Page 24: ...___________________ Delta____________ 24 2007 06 13 Disassemble the IO Board Disassemble the main board Remove the two screws Remove the IO Board Remove these the five screws Check this place when you...

Page 25: ...__________________ Delta____________ 25 2007 06 13 Disassemble the Ballast and Fan Assy Check this place when you assemble the wire Remove this screw Remove this screw Remove the Power Supply The Powe...

Page 26: ..._______________ Delta____________ 26 2007 06 13 Disassemble the Fan and Optic Engine Assy Remove the Fan The Fan Module and screws Remove these the two screws Take the heat sink away Remove these the...

Page 27: ...Delta____________ 27 2007 06 13 Disassemble the Optic Engine Assy and Power Assy View Optic Engine Assy View Optic Engine Assy Remove Optic Engine Assy Remove the two Fan Assy Remove these the four sc...

Page 28: ...aunch the USB drivers update Following are the dialogues of the Driver Install process This is the first page of install dialog This is the driver installation destination dialogue use Change button t...

Page 29: ...ies the necessary files to PC Press the Finish button with the Launch checkbox checked the wizard will start the INF update Launch the driver update Note The INF update may take a while depends your c...

Page 30: ...SB drivers will be installed and registered to system After the driver install a test application will start automatically with Windows hardware wizard for all necessary USB driver The driver test lau...

Page 31: ...in sequence on keypad DP16 DP18 DP3622 series or IR remote controller DP02 series The power and lamp LED will blink and the Projector Control mode will be enabled The New Hardware Wizard launched at t...

Page 32: ...splays in the status pane Press the Check button will drive the projector turns into Flashtool mode This is verifying that if the projector will switch to Flashtool mode or not The projector is switch...

Page 33: ...cond USB Projector Control Select No not this time Press the Next Windows XP SP2 Follow the recommended options and process the driver installation Press the Next Wizard copies the necessary files and...

Page 34: ...ow the recommended options and process the driver installation Press the Next Wizard copies the necessary files and updates the driver Flashtool USB driver installed Press Finish to end the Wizard Con...

Page 35: ...dit and select the following items HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Enum USB The DP3635 series VID_1501 Pid_3635xxx Press Delete and remove these registries You need the read write privileg...

Page 36: ...talled automatically via Windows USB hot plug mechanism The Projector Control will be dynamically installed after entering the maintenance mode Hit key sequence as down up right up The Projector Flash...

Page 37: ...ce installation Projector Flashtool USB driver installed Install Flash Tool to PC Run the Digital Zoom Projector Flash Tool Vx y msi if your projector USB drivers not installed yet Check the USB drive...

Page 38: ...Tool User s Guide upgrading projector firmware Step 1 Launch the FlashTool exe from installed short cut at Program Digital Zoom Projector Launch FlasTool exe or click the Lauch FlashTool exe shortcut...

Page 39: ...ller DP3602 series The power and lamp LED will blink and the Flash Tool mode will be enabled Step 4 Press Choose button to locate the new firmware which can be downloaded from website for example DP36...

Page 40: ...Start button will not enable if the binary image is not a valid projector firmware Step 5 Press Start button to start flash the firmware into projector the warning message box will appear to get your...

Page 41: ...d first Flash Tool will automatically erase the old firmware before upgrading Step 8 After old firmware erased the new firmware upgrading process will start Upgrading new firmware Caution DO NOT insta...

Page 42: ...XP operating system English Operator must have basic knowledge of Windows device installation Projector Flashtool USB driver installed Install Flash Tool to PC Run the Digital Zoom Projector Flash To...

Page 43: ...h Tool User s Guide upgrading projector logo Step 1 Launch the FlashTool exe from installed short cut at Program Digital Zoom Projector Launch FlasTool exe or click the Lauch FlashTool exe shortcut ic...

Page 44: ...switch and projector is in STAND BY mode Press Down Up Right Up key in sequence on keypad DP2601 2618 3618 series or IR remote controller DP3602 series The power and lamp LED will blink and the Flash...

Page 45: ...e open button to select the logo you want Step 4 2 The Flashtool will validate the size of the logo file Logo will be converted to RLE format and stored to the projector s flash memory The compressed...

Page 46: ...ge box will appear to get your confirmation Press OK to continue Step 6 The last warning message box appears this is the last chance to cancel the update press OK button to start the logo change Step...

Page 47: ...pgrading process will start Step 9 After the new logo changed the Flash Tool will perform the final validation The dialog showed checksum with verification message Step 10 Done Power off the projector...

Page 48: ...mp hour counter to zero Refer to the following 1 Press the Menu button to open the Main menu 2 Press the cursor button to move to the Status menu 3 Press the cursor button to move down to Lamp Hour Re...

Page 49: ...password right it will go into a Service page Used up down key on keypad or IR to highlight the item Lamp Hours Information and press Select Right to go into Lamp Hours Information menu Step4 In Lamp...

Page 50: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 50 2007 06 13 5 6 Overscan Rate Description Enter the overscan rate menu Overscan Rate Menu...

Page 51: ...Right keys to adjust the Component Video 720p and 1080i overscan ratio Steps Minimum Maximum Default value 2 On Off Off Others Description Use the Left and Right keys to adjust those overscan ratio ex...

Page 52: ...e Left and Right keys to enable or disable security lock function Steps Minimum Maximum Default value 2 Enable Disable Disable The Password Menu will be displayed if the Security Lock enabled The avai...

Page 53: ...zed The password confirm menu appears when user press the power on key in case the Security Lock function enabled Only Up Down Left Right and Power key are available How to reset password In case of l...

Page 54: ...cribe a Windows application software DLPunlock for projector password unlock Its main purpose is to provide a way to reset the forgotten password the application will ship to the call center and help...

Page 55: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 55 2007 06 13 J4P security password reset flow chart...

Page 56: ...ntial Optoma_______________________ Delta____________ 56 2007 06 13 Projector OSD for password check reset Password validates at power on Password input at power on Hint code appeared when wrong passw...

Page 57: ...EX 7Eh Command Data 0Dh ASCII Command Data CR 6 3 Control Sequence The projector may send a return code after it received a command If the command isn t received correctly the projector will not send...

Page 58: ...Eh 72h 44h 0Dh LEFT arrow r L CR 7Eh 72h 4Ch 0Dh RIGHT arrow r R CR 7Eh 72h 52h 0Dh POWER r P CR 7Eh 72h 50h 0Dh EXIT r E CR 7Eh 72h 45h 0Dh INPUT r I CR 7Eh 72h 49h 0Dh AUTO r A CR 7Eh 72h 41h 0Dh KE...

Page 59: ...54h h 0Dh Projection Mode s J CR 7Eh 73h 4Ah h 0Dh ASCII Data Data Range ITEM Set Data Range Source Brightness 0 100 ALL Contrast 0 100 ALL Color 0 100 Video S Video Component Tint 0 100 Video S Video...

Page 60: ...Video q N CR 7Eh 71h 4Eh 0Dh Scaling q A CR 7Eh 71h 41h 0Dh Color Temperature q T CR 7Eh 71h 54h 0Dh Projection Mode q J CR 7Eh 71h 4Ah 0Dh Response message ITEM Response Message examples Software Ver...

Page 61: ...3 6 8 Hyper Terminal setting guide 6 8 1 Connect the RS232 Cable between your computer and Projector 6 8 2 Open HyperTerminal Window2000 XP HyperTerminal path Start Programs Accessories Communications...

Page 62: ...mpany Confidential Optoma_______________________ Delta____________ 62 2007 06 13 Step2 Choose the COM port for your RS232 Cable connected to Step3 In Bits per second choose 9600 and in Flow control ch...

Page 63: ...______________ Delta____________ 63 2007 06 13 Step4 Click the File and choose Properties to setting Keyboard parameter Step5 In Setting page choose Emulation type for your keyboard Step6 Click ASCII...

Page 64: ...01 Company Confidential Optoma_______________________ Delta____________ 64 2007 06 13 Step7 Mark Send Line ends with line feeds and Echo typed characters locally and click OK bottom to complete setti...

Page 65: ...ould cause peeling of the color filter 3 Cleaning the DMD The DMD surface is glass and can be cleaned However avoid scratches as these can have a direct influence on the image In case of dust on the D...

Page 66: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 66 2007 06 13 7 2 Remote control for battery replacement...

Page 67: ...age Power LED Blink Ready LED Blink Lamp usage task created error 2 1 Environment usage task created error 2 2 Thermal break status error 3 0 T1 temperature over temperature 3 1 T2 temperature over te...

Page 68: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 68 2007 06 13 7 4 Factory Preset Display Modes...

Page 69: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 69 2007 06 13 7 5 OPTOMA Splash LOGO screen...

Page 70: ...LAMP COVER GRAY DP 3635 NOTCG 3392040301 1 WHITE DP 3635 NOTDC NOTEG NOTZG NOTDG NOTIG NOTFG NOTDI 3392023202 Foot 5 ADJ FRONT FOOT LEG PC 94V0 HEIGHT ADJUSTER GRAY DP 3635 NOTCG 3392040201 1 Fan 6 DC...

Page 71: ...000 BLK E DP 3635 NOTDC NOTDG NOTDI 3090211202 28 AC POWER CORD 3P 3G 1 0mm 2 L3000 BLK UK DP 3635 NOTEG 3090211102 29 AC POWER CORD 3P 3G 1 0mm 2 L3000 BLK C DP 3635 NOTFG 3090123801 Cable 30 AC POWE...

Page 72: ...ALL 5600600519 1 Board 12 MAIN BOARD ASSEMBLY ALL 5600600459 1 Ballast 13 LAMP DRIVER 280W PULSE ALL 0990076600 1 Optical 14 MODULE 0 7 XGA OPTICAL 280W ASSY ALL 5811100174 1 Lamp module 15 LAMP MODU...

Page 73: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 73 2007 06 13 27 30 28 26 29...

Page 74: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 74 2007 06 13...

Page 75: ...Rev 01 Company Confidential Optoma_______________________ Delta____________ 75 2007 06 13 7 7 Carton...

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