service manual - e-ASP
Transcription
service manual - e-ASP
SERVICE MANUAL Model Name : EP739/EP739H/EP738 Series Prepared by SI : ________________________________________ Prepared by TSE : ________________________________________ Checked by : ________________________________________ Approved by : ________________________________________ Date Revise Version 2004/10/5 V1.0 Description Initial Issue A d d E P 7 3 9 H P r o d u c t; C h a n g e i n 2005/7/11 V2.0 I II:Notice 1-2 7-1:Notice 7-22:Notice Copyright October, 2004 . All Rights Reserved Document #80J-G04-02A . P/N: 36.80J02.002 Preface This manual is applied to EP739/EP739H 0.7” DMD XGA and EP738 series 0.5” DMD SVGA digital projection system. The manual gives you a brief description of basic technical information to help in service and maintaining the product. Your customers will appreciate the quick response time when you immediately 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. 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 further edition. Copyright 2004, October All Rights Reserved Manual Version 1.0 Document # 80B-G04-02A I EP739/EP739H/EP738 Table of Contents Notice:1. There are three difference parts between EP739 and EP739H. As table I. 2. In order to differentiate appearances difference between EP739 and EP739H, we get a picture to description EP739H. If we see the mark in the spec label as table II, that means such kind of product are EP739H. Table II Chapter 1 Introduction 1-1 Product Highlight Optical Specifications Electrical Specifications Mechanical Specifications Environment Compatible Modes 1-1 1-2 1-4 1-5 1-6 1-7 II EP739/EP739H/EP738 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Disassembly of Procedure 2-1 Remove Lamp Module and Back Cover Remove Top Cover, Keypad Board, Main Board and Front Cover Remove Lamp Driver, 70*20 Axial Fan Module and LVPS Remove 50*20 Blower Fan, Color Wheel and Thermal Switch Remove DMD Board, MDM Chip and Optical Engine Module Remove Interrupt Switch Module, ThermalSensor Board, Speaker, Elevator Module and Bottom Cover 2-1 2-2 2-5 2-7 2-8 2-9 Troubleshooting 3-1 Equipment Needed Main Procedure 3-1 3-2 Function Test and Alignment Procedure 4-1 Product Test Equipment Test Condition Test Display Modes and Pattern Inspection Procedure 4-1 4-1 4-1 4-2 4-7 Firmware Upgrade Procedure 5-1 Equipment Needed Hardware Setup Procedure Firmware Progarm Installation Procedure Firmware Upgrade Procedure 5-1 5-1 5-2 5-8 DDC Key-in Procedure 6-1 Equipment Needed Setup Procedure DDC Key-in Procedure 6-1 6-2 6-3 Appendix A 7-1 Exploded Diagram 7-1 Appendix B 7-16 Serial Number System Definition Reader’s Response 7-22 7-23 III EP739/EP739H/EP738 Chapter 1 Introduction This manual is applied to DMD Color Projector with digital imaging functionality based on Digital Micromirror Device (DMD) technology. It’s the mode of single panel, 200 watt long life lamp. The manual gives you a brief description of basic technical information to help in service and main taining the product. Your customers will appreciate the quick response time when you immediately 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. 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. 1-1 Product Highlights - One panel 0.7" DMD XGA projection system with 2000 ANSI lumens : for EP739 One panel 0.5" DMD SVGA projection system with 1600 ANSI lumens : for EP738 series - Pheonix 200WDC SHP Lamp (user replaceable) dimmable to 160W : for both EP739/EP738P Ushio 200WDC SHP Lamp (user replaceable) dimmable to 160W: for EP738 - High efficiency cooling system with low system acoustic noise level - Light weight Approx. 5.3 lbs. - Manual focus projection 1:1.2 zoom lens - True 1024 x 768 resolution, 16.7M True colors - With up, down, left, and right screen reverse. - Build-in full screen NTSC/PAL/SECAM video capability with S-video / Composite / component and HDTV terminals - SXGA/XGA/SVGA/VGA/MAC compatibility. - Auto image re-sizing to 1024 x 768 full screen Auto image re-sizing to 800 x 600 full screen: for EP738 series only - Auto detection of computer signal input 1-1 EP739/EP739H/EP738 Series 1-2 - Automatically save adjustments for future use - On-screen menu with 11 languages - Built-in one speaker with 2 Watt amplifier - Self protect timer for hot re-strike of compact P-VIP lamp - Adaptive voltage control fan speed Optical Specification Technology - Single 0.7” XGA DDR DMD chip - Single 0.5” SVGA DDR DMD chip: for EP738 series Resolution - 1024 x 768 - 800 x 600: for EP738 series Brightness EP739 - 2000 ANSI Lumens - 1600 ANSI Lumens - 1300 ANSI Lumens EP739H - 2500 ANSI Lumens - 1760 ANSI Lumens - 1496 ANSI Lumens EP738 series - 1600 ANSI Lumens - 1300 ANSI Lumens - 1040 ANSI Lumens ( Max.) ( Average) ( Minimum) ( Max.) ( Average) ( Minimum) ( Max.) ( Average) ( Minimum) Contrast ratio - 2000:1 Max. (Full on / full off) - 1500:1 Typical (Full on / full off): for both EP739/EP738P - 1300:1 Typical (Full on / full off): for EP738 - 1000:1 Minimum (Full on / full off) Uniformity - 85% Max. (Japan Standard) - 75% Typical (Japan Standard) - 60% Minimum (Japan Standard) 1-2 EP739/EP739H/EP738 Series Lamp type - Pheonix 200WDC SHP Lamp (user replaceable) dimmable to 160W: for both EP739/EP738P - Ushio 200SHP NHS Lamp (user replaceable) dimmable to 160W: for EP738 Lamp life - 2000 hours - 1500 hours typical, 50% survival rate Projection lens - F# 2.4 – 2.65 @2.4m, f = 28.04 ~ 35.59 mm @2.4m. : for both EP739/EP738 F# 2.6 – 2.81 @2.4m, f = 22.34 ~ 26.8 mm @2.4m. : for EP738P 1.2X Manual Zoom Lens. Projection screen size - Adjustable from 24.6” to 246” (Diagonal) : for both EP739/EP738 Adjustable from 36.9” to 246” (Diagonal): for EP738P Projection distance - Suggeted throw distance: 1.2~10m (Mechanical travel) : for both EP739/EP738 Suggeted throw distance: 1.5~10m (Mechanical travel) : for EP738P 1-3 EP739/EP739H/EP738 Series 1-3 Electrical specification Display Panel - TI DMD, 0.7” 12 degree DDR XGA Digital Mirror Device TI DMD, 0.55” 12 degree DDR XGA Digital Mirror Device : for EP738 series Power Supply - Universal AC 100—240V 50 / 60 Hz with PFC input - 200W for Phoenix SHP Lamp @ normal operation :for both EP739/EP738P 200W for Ushio SHP Lamp @ normal operation:for EP738 - Variance FAN speed control ( Depend on temperature variance) Power Consumption - 265 Watt +/- 10% at normal operation - Standby mode < 15W Terminal - One 29-pin DVI-I connector for Digital signal with HDCP : for EP739 only - One D-Sub 15-pin female connector for analog RGB / HDTV / compoment video / SCART/RGB Sync - One D-Sub 15-pin female connector for monitor output - One Phone Jack for audio input - One Mini DIN 4-pin for S-Video Input - One RCA Jack for Composite Video Input - One Mini DIN 3-pin for RS232 - USB connector for page up/down Input Signal Spec - PC Signal - Hsync Frequency 31 ~ 100 kHz - Vsync Frequency 56 ~ 85 Hz - Video Signal RGB (PC) - Analog RGB 0.7Vp-p, 75 ohm - Analog RGB 1Vp-p, 75 ohm, Sync. signal - Separate TTL H,V Sync. - Composite TTL Sync. - Video - Composite video 1Vp-p,75 ohm - S-video Luminance 0.714Vp-p,75 ohm - Chrominance 0.286Vp-p,75 ohm 1-4 EP739/EP739H/EP738 Series Video Compatibility - Standards : - NTSC: M (3.58MHz), 4.43 MHz - PAL: B, D, G, H, I, M, N - SECAM: B, D, G, K, K1, L - HDTV: 480i/p, 576i/p, 720p, 1080i 1-4 M echanical Specification Dimension(WxHxD) - 265mm X 236.4mm ( include focus ring and I/O connector ) X 104.6mm ( include feet and stick handle ) W eight - Approx. 5.3 lbs. Cooling System - Advanced air flow - Two fans with low system acoustic noise level - Temperature control circuits with adaptive voltage control fan speed - Maximum touch temperature follows UL60950 Tilt Angle - 7 degree with elevator mechanism Keystone correction -± 16° degree Lamp Door Protection -Lamp power supply shut off automatically when door open. 1-5 EP739/EP739H/EP738 Series 1-5 Environment Temperature - Operating: 5 - 35°C - Storage: -20 ~ - 60°C Maximum Humidity - Operating: 5 ~ 35°C, 80% RH (Max.), non-condensing - Storage: -20 ~ - 60°C, 80%RH (Max.),non-condensing Acoustic noise level - Normal mode: 34 dB(A) (Typical, 23+/-2°C ) - Dim mode: 30 dB(A) (Typical, 23+/-2°C ) - Noise measurement follows ISO 7779, A-weighted sound pressure level measurement, - 7200 rpm color wheel rotational speed Lamp life - 2000 hours - 1500 hours typical, 50% survival rate Altitude - Operating 0~2,500 ft, for 5°C~35°C 2,500~5,000 ft, for 5°C~30°C 5,000~10,000 ft, for 5°C~25°C - Storage 40,000 ft MTBF - Operating more than 12,000 hours ( 90% Confidence Level ) 1-6 EP739/EP739H/EP738 Series 1-6 Compatible Modes Analog ( EP739 only) ( EP739 only) ( EP739 only) ( EP739 only) 1-7 EP739/EP739H/EP738 Series Digital (For EP739 Only) 1-8 EP739/EP739H/EP738 Series Chapter 2 Disassembly Procedure 2-1 Remove Lamp Module and Back Cover Step1: Turn unit to bottom side. Unscrew two screws to remove Lamp Cover , and then unscrew two screws to pull out Lamp Module. Step2: Unscrew six hex screws and four screws to remove Back Cover : for EP739 only. Back Cover Step3: Unscrew four hex screws and four screws to remove Back Cover : for EP738 series only. Back Cover 2-1 EP739/EP739H/EP738 Series 2-2 Remove Top Cover, Keypad Board, Main Board and Front Cover Step1: Unscrew five screws and turn over the unit and press the Top Cover. Step2: Unplug one FPC cable to remove Top Cover. 2-2 EP739/EP739H/EP738 Series Step3: Unplug one FPC cable from Top Cover. Step4: Unscrew four screws to remove Keypad Board and Keypad Button. Step5: Unscrew three hex spacer from Top Cover. 2-3 EP739/EP739H/EP738 Series Step6: Unplug one FPC cables and nine wires, and then unscrews 5 screws to remove Main Board. Absorption Noise CVS Mylar Mylar Main Board Step7: Pull out Front Cover. Front Cover 2-4 EP739/EP739H/EP738 Series 2-3 Remove Lamp Driver, 70*20 Axial Fan Module and LVPS Step1: Unplug one wire, unscrew two screws and two hex screws of Lamp Driver, unscrew two screws to remove Lamp Cable and then separate the wedge from the Fan Module, and then remove the Lamp Driver. Step2: Unscrew two screws to remove Fan Module. 2-5 EP739/EP739H/EP738 Series Step3: Under the Lamp Driver, unscrews seven screws to remove LVPS Plate. (One is grounding screw). Grounding Screw Step4: Unplug two wires to remove LVPS. LVPS Holder LVPS 2-6 EP739/EP739H/EP738 Series 2-4 Remove 50*20 Blower Fan, Color Wheel and Thermal Switch Step1: Unscrew eight screws to remove Engine Module, 50*20 Blower Fan and Color Wheel. Step2: Remove 50*20 Blower Fan. Srep3: Unscrew two screws to remove Light Cut and Fan Guide Metal For Lamp. Step4: Unscrew one screw to remove Thermal Switch. 2-7 EP739/EP739H/EP738 Series Front Cover Front Cover 2-5 Remove DMD Board, DMD Chip and Optical Engine Module Step1: Unscrew four screws to remove Heatsink Baker and Heatsink Spring. Step2: Unscrew four screws to remove DMD Module. 2-8 EP739/EP739H/EP738 Series 2-6 Step1: Srep2: Step3: Step4: Remove Interrupt Switch Module, Thermal Sensor Board, Speaker, Elevator Module and Bottom Cover Unscrew two screws to remove Interrupt Switch Module. Unscrew two screws to remove Elevator Module. Unscrew one screw to remove Thermal Sensor Board. Take off Speaker and Speaker Holder. 2-9 EP739/EP739H/EP738 Series Chapter 3 Troubleshooting 3-1 Equipment Needed - Projector VESA VGA Cable/VESA DVI Cable PC (Personal Computer) with analog and digital signal output. DVD Player for Video Signal and Audio Signal. Remote Controller 3-1 EP739/EP739H/EP738 Series 3-2 Main Procedure 3-2.1 A. Power Troubleshooting Is LED Indicator OK? - Check the Power cord and AC power outlet. Check the Keypad cable has broken or not. Check if all the wires are well connected inside. Check the Ballast. Check the Main board. Check the Keypad board. B. Is Fan Working After Press Power/Standby Button? Check the Keypad cable has broken or not. Check if fan wire is well connected. Check the Thermal board. Check the Main board. Check the Fan. C. Is Lamp Lit? Check the Lamp cover assembly OK or not. Check thay have the sound of Lamp ignitor output from Unit or not. Check the Cable of limit switch. Check the DMD board. Check the Lamp module. Check the Ballast. 3-2 EP739/EP739H/EP738 Series 3-2.2 Performance Troubleshooting (Computer Signal) A. Have Image? Ensure the Signal cable and Source work as well. Check that can OSD Menu show on the screen. Check the Main board. Check the DMD board. B. Have Garbage Pattern? Ensure the Signal cable and Source work as well. Check the Main board. Check the DMD board. C. Uniformity OK? Ensure the Projection screen without dirty. Ensure the Projection lens is clean. Ensure the Brightness is within spec. (Replace the Lamp if the Brightnedd is less than spec.) Check the Optical engine. D. Is Color OK? Ensure the Signal cable works as well. Check the “Color wheel index” in the service mode of OSD Menu. (*Note) Check the Photo sensor. Check the Main board. Check the DMD board. E. Dot Defect isn’t Compliant with the Spec. Ensure the Projection lens is clean. Use the Air gun for the Optical engine clean. Check the DMD chip. 3-3 EP739/EP739H/EP738 Series F. Have Noise? Ensure the Signal cable and Source is work as well. Adjust the Tracking selection in OSD Menu. Press the Menu button to check that have the noise issue appear on OSD Menu. (Check the DMD board if the noise also appear on the OSD Menu.) G. Have Line Bar? Adjust the frequency selection in OSD Menu. Press the Menu button to check that have Line bar show on the OSD Menu. (Check the DMD chip and DMD board. If the Line bar also show on the OSD Menu) Ensure that there is no dust on the DMD Contact housing module. - H. Re-assembly for DMD module. Check the Main board. Have Noise? Ensure the Signal cable and Source is work as well. Adjust the Tracking selection in OSD Menu. Press the Menu button to check that have the noise issue appear on OSD Menu. (Check the DMD board if the noise also appear on the OSD Menu.) *Note : The procedure to enter service mode is.. Press ”Power”, ”Left”, ”Left”, ”Menu” button when the Unit under search status. 3-2.3 Performance Troubleshooting (Video Signal) A. Have Image? Ensure the signal cable and source work as well. Check that can OSD menu show on the screen. (Check the main board if OSD menu cannot show on the screen) B. Have Garbage Pattern? Ensure the signal cable and source work as well. Check that can OSD menu show on the screen. (Check the main board if OSD cannot show on the screen) 3-4 EP739/EP739H/EP738 Series C. Is Color OK? Do the “Factory Reset” of the engineering mode. Ensure the signal cable work as well. Check the color temperature setting of OSD menu. (Check the main board if the setting of color temperature is under default) Check the color setting of OSD menu. (Check the main board if the setting of color is under default) Check the “Degamma”, ”Saturation”, ”Tint” and “Sharpness” setting of OSD menu. (Check the main board if the setting of above setting are under default) D. Is Image Flicker? Ensure the signal cable work as well. - (Please check the length of cable; the signal will be reduce when the signal cable is longer than 5m) Do the “Factory Reset” of the engineering mode. (Check the Main board if the image still flicker after the factory reset.) E. Is There Line Bar Show On The Screen? Check that can OSD menu display on the line bar area. (Check the DMD board if the OSD menu cannot display on the line bar area.) (Check the Main Board if the OSD menu can display on the line bar area) F. Is Image Noise? Ensure the signal cable is work as well. (Check the cable length of cable; the signal will be reduce when the signal cable is longer than 5m) Do the “Factory Reset” of the engineering mode. (Check the Main board if the image still display with noise.) 3-5 EP739/EP739H/EP738 Series 3-2.4 Function Ttoubleshooting A. OSD Does Not Show up. Check the Keypad cable and ensure there is no broken issue on the cable. Use Keypad to test again. (Replace the Keypad board if the Unit works fine with the new Keypad board.) Use the Remote control for the OSD function test. (Check the Keypad board and Keypad cable if the Remote control works as well) Check the Main board. B. Function Cannot Be Adjust. Check the Keypad cable and ensure there is no broken issue on the cable. Use Keypad to test again. (Replace the Keypad board if the Unit works fine with the new Keypad board.) Use the Remote control for the OSD function Adjustment test. (Check the Keypad board and Keypad cable if the Remote control works as well) Check the Main board. 3-2.5 Audio Troubleshooting A. No Sound Output. Ensure the Signal cable and Source are work fine. Use the new Speaker for the Sound output test. (Replace the Speaker if the new Speaker works fine with the Unit.) Check the Speaker wire that has broken issue or not. Check the Main board. B. Sound Output With Noise. Ensure the Signal cable and Source are work fine. Ensure the volume has not select to the max selection. (Due to the output power of internal Speaker is 2W only. It might has the noise issue if the volume select to the max.) Use the new Speaker for the test. (Replace the Speaker if the new Speaker works fine with the Unit.) Check the Speaker wire that has broken issue or not. Check the Main board. 3-6 EP739/EP739H/EP738 Series 3-2.6 A. Remote Controller Troubleshooting Remote Control No Function. Replace the battery if there is function. Use a known Remote control for the function test. (Replace the Remote control if the new Remote control works fine with the Unit.) Check the Main board if the Unit works fine with a known good Remote control. 3-7 EP739/EP739H/EP738 Series Chapter 4 Function Test and Alignment Procedure 4-1 Product - 4-2 Test Equipment - 4-3 EP739/EP738 series IBM PC with XGA resolution (Color Video Signal & Pattern Generator) DVD player with component video (Y, Pb, Pr) and Multi-system (NTSC / PAL / SECAM) HDTV Tuner or Source (480i/p, 576i/p, 720p, 1080i) Minolta CL-100 Quantum Data 802B or CHROMA 2327 Test Condition - - - Circumstance Brightness 1.) Dark room less than 10 lux for functional inspection. 2.) Circumstance brightness over than 500 lux for external inspection. Inspection Distance 1.) About 1.5~3m for functional inspection (The prosection distance has to base on the screen size till 60 inches) 2.) 30cm for external inspection. Screen Size : 60 inches diagonal (wide) Each unit should be run-in for 2 hours after repair. Each unit should be cooling for 5 minutes after the run-in test. Before function test and alignment, each unit should be warmed up for 5 minutes. 1.) In room temperature 2.) - With cycled display colors (R,G,B,White) *Note Test Display Mode & Pattern Function Test and Alignment Procedure *Note: a. Please enter “service mode” to select burn-in function. (For cycled display color mode b. The procedure for enter service mode. Press “Power”, “Left”, “Left”, “Menu” button when unit is showing “search the signal” image. 4-1 EP739/EP739H/EP738 Series 4-4 Test Display Modes & Pattern 4-4.1 Compatible Modes - A nalog (for EP739 only) (for EP739 only) (for EP739 only) (for EP739 only) 4-2 EP739/EP739H/EP738 Series - 4-4.2 Function Test Display Pattern - Item Digital: for EP739 only PC Signal Test C ontent Pattern Specification R emark 1 Frequency & Tracki ng Fi ne Li ne Moi re Eli mi nate vi sual wavy noi se by Rsync, Frequency or Tracki ng selecti on. Fi gure 1 2 C ontrast/Bri ghtness 16 Gray Scale / 64 RGBW scale Gray level should be di sti ngui shable and wi thout color abnormal. Fi gure 2,3 3 R, G, B and Whi te C olor Performance R, G, B and Whi te C olor Each R, G, B color should be normal wi thout color abnormal i ssue. Fi gure 4~7 4 Screen Uni formi ty Full Whi te Should be compli ant wi th 65%.(Mi ni mum) Fi gure 7 D ead Pi xel (Bri ght pi xel) Full Black C annot accept any bri ght pi xel Fi gure 8 D ead Pi xel (D ark pi xel) Full Whi te The numbers of dead pi xel should be smaller or amount to 5 pi xel. Fi gure 7 6 Blemi sh (Bri ght) Full Black / Gray 30 The bri ght blemi sh cannot be accept i f the problem appear wi th Gary 30 pattern. Fi gure 8, 9 7 Blemi sh (D ark) Full whi te / Blue 60 The dark blemi sh cannot be accept i f the problem appear wi th Blue 60 pattern. Fi gure 7,10 8 Focus Text Pattern The text i n the corner should be clear after adjust the focus ri ng. Fi gure 11 9 Boundary Boundary Frame Horz. And Vert. posi ti on of vi deo should be adjustable to be the screen frame. Fi gure 12 5 4-3 EP739/EP739H/EP738 Series Figure 1. Fine Line Moire Figure 2. 16 Gray Scale Figure 3. 64 RGBW Scale Figure 4. Red Pattern Figure 5. Green Pattern Figure 6. Blue Pattern 4-4 EP739/EP739H/EP738 Series Figure 7. Full White Figure 8. Full Black Figure 9. Gary 30 Pattern Figure 10. Blue 60 Pattern Figure 11. Text Pattern Figure 12. Boundary Frame 4-5 EP739/EP739H/EP738 Series - Video & Audio Signal Item Test C ontent Specification 1 C omposi te Vi deo The i nput si gnal has to di splay wi thout color abnormal. 2 S-Vi deo The i nput si gnal has to di splay wi thout color abnormal 3 C omponent Vi deo The i nput si gnal has to di splay wi thout color abnormal. 4 HD TV The i nput si gnal has to di splay wi thout color abnormal. 5 Audi o The audi o should be output wi thout noi se. The audi o selecti on of OSD should be functi onally. 4-6 EP739/EP739H/EP738 Series 4-5 Inspection Procedure - R, G, B and white color contrast Test Signal:1024 x 768 @ 75Hz Test Pattern:64 RGBW scale pattern 1. Please check and ensure if each color is normal and distinguishable. 2. If not, please return the unit to repair area. - Screen Uniformity Test Signal:1024 x 768 @ 75Hz Test Pattern:Full white pattern 1. Please check and ensure the unit is under the spec. (65% Minimum) 2. If not, please return the unit to repair area. - Dead pixel (Bright pixel) Test Signal:1024 x 768 @ 75Hz Test Pattern:Full black pattern 1. Please check and ensure the unit is under the spec. (Cannot accept any bright pixel) 2. If not, please return the unit to repair area. - Dead pixel (Dark pixel) Test Signal:1024 x 768 @ 75Hz Test Pattern:Full white pattern 1. Please check and ensure the unit is under the spec. (Pixel number should be smaller or amount to 5 pixels) 2. If not, please return the unit to repair area. - Blemish (Bright) Test Signal:1024 x 768 @ 75Hz Test Pattern:Full black and Gray 30 patterns 1. Please check and ensure the unit is under the spec. (The bright blemish should not be able to see under Gray 30 pattern) 2. If not, please return the unit to repair area. 4-7 EP739/EP739H/EP738 Series - Blemish (Dark) Test Signal:1024 x 768 @ 75Hz Test Pattern:Full white and Blue 60 patterns 1. Please check and ensure the unit is under the spec. (The dark blemish should not be able to see under Blue 60 pattern) 2. If not, please return the unit to repair area. - Focus Test Signal:1024 x 768 @ 75Hz Test Pattern:Text pattern 1. Please check and ensure the unit is under the spec. (The text in the corner should be able to see with clear) 2. If not, please return the unit to repair area. - Boundary Test Signal:1024 x 768 @ 75Hz Test Pattern:Boundary frame pattern 1. Please check and ensure the unit is under the spec. (The horizontal and vertical position of image should be adjustable to be the screen frame.) 2. If not, please return the unit to repair area. - Video Test Signal:Composite video,S-Video and Component video Test Pattern:NTSC,PAL,SECAM 1. Please check and ensure the unit can display the video signal without color abnormal or image abnormal issue. 2. If not, please return the unit to repair area. - HDTV Test Signal:HDTV signal Test Pattern:480i/p,576i/p,720p,1080i 1. Please check and ensure the unit can display the HDTV signal without color abnormal or image abnormal issue. 2. If not, please return the unit to repair area. 4-8 EP739/EP739H/EP738 Series - Audio 1. Please check and ensure the function of audio is work as well. 2. If not, please return the unit to repair area. - Reset All After final QC step, we have to erase all saved change again and restore the factory defaults. Please select and enter “Factory Reset” function of “Service Mode” to ensure the function is work as well. This action will allow you erase all end-user’s settings and restore the original factory setting. 4-9 EP739/EP739H/EP738 Series Chapter 5 Firmware Upgrade Procedure 5-1 Equipment Needed Software : - DLP Composer - Firmware Hardware : - 5-2 Power Cord USB Cable (P/N:42.86006.001) PC or Laptop Projector Hardware Setup Procedure 1. Connect USB Cable of PC to USB port of Projector. USB Cable 5-1 EP739/EP739H/EP738 Series 5-3 Firmware Progarm Installation Procedure 5-3.1 DLP Composer Installation Procedure 1. Execute the “DLP Composer Lite V3.X Setup” program. 2. Click “Next” icon. 5-2 EP739/EP739H/EP738 Series 3. Move the bar to the bottom (as the red arrow shows) and then select “I accept and agree to be bound by all the terms and conditions of this License Agreement” , then click “Next” icon. 1 2 3 4. Select “All” and click “Next” icon to continue. 1 2 5-3 EP739/EP739H/EP738 Series 5. Click “Finish” to complete the installation. 6. Click “Yes” to restart the computer. 5-4 EP739/EP739H/EP738 Series 5-3.2 1. 2. 3. USB Driver Upgrade Procedure After linking the PC and EP739/EP738 series projector with a USB cable, press and hold the menu button, then push the power button to turn on the projector. Note : The “Temp” LED and “Lamp” LED should be full on. Execute the C:\Program files\DLP Composer\usbupdata.cmd. Note : The “DLP Composer” program must be closed first. Type any key to continue. Then wait about a minute. 5-5 EP739/EP739H/EP738 Series 4. Click “OK”. The USB driver updated successfully. 5. Right click “My Computer” on the desktop. Select “Properties” on the popup menu to launch the “System Properties” window. Choose “Hardware” and then click “Device Manager.” My Computer System Properties 5-6 Hardware Device Manager EP739/EP739H/EP738 Series 6. Click “Jungo” to assure “DDP2000” and “WinDriver” are properly installed. If not, repeat Step 1 ~ 6. Device Manager 5-7 EP739/EP739H/EP738 Series 5-4 Firmware Upgrade Procedure 1. Execute the “DLP ComposerTM” file. 2. Click “Edit” and “Preferences”. 1 2 5-8 EP739/EP739H/EP738 Series 3. Click “Library”. The library path located to the default installation directory is : C:\Program Files\DLP Composer. If not then press “Browse” to select the right path. 1 2 4. Select “Edit\Preferences\Communications”, choose “USB”, and then click “OK”. 1 2 5-9 EP739/EP739H/EP738 Series 5. Choose “Flash Loader” and click “Browse” to search the “EP739_XGA_Flash_Jul.12.2004_C03_NoFashBoot.” file: for EP739 only “EP738_SVGA_Flash_Jul.27.2004_A02” file: for EP738 series only Then click this button to maximize the window size. 1 2 6. Click “Reset Bus” to erase the flash memory. 5-10 EP739/EP739H/EP738 Series 7. 8. If the firmware is ready, then click “Start Download” to process the firmware upgrade. Click “Yes” to erase the flash memory. 9. After file was download. Please to restart the unit and enter the service mode to check the F/W version. Note Note :Press the “Power” and “Left” and “Left” and “Menu” button to enter Service Mode. 5-11 EP739/EP739H/EP738 Series Chapter 6 DDC Key-in Procedure 6-1 Equipment Needed - PC or Laptop (OS:Windows98 or Windows Me) EDID Fixture DFP to DVI Cable Power Adapter RS-232 Cable VGA Cable Power Cord DDC Driver EP739 Unit 6-1 EP739/EP739H/EP738 Series 6-2 Setup Procedure Step1. Step2. Step3. Step4. Step5. Connect Power Adapter with fixture. Make sure the JP1and JP5 are close and JP2 is open. Connect P2 of the fixture with VGA Port of unit by the VGA Cable. Connect P3 of the fixture with DFP Port of EP739 by the DFP to DVI cable: for EP739 only Turn on the power of the fixture. P3 P2 JP1 JP2 JP5 6-2 EP739/EP739H/EP738 Series 6-3 DDC Key-in Procedure 6-3.1 Analog: for both EP739/EP738 series Step1. Execute “EP739 EDID” program. *Note: The DDC Program file use on win98/Me only. Step2. Mark sure the COM port is connecting ok. Choose the “Analog” to do the Analog DDC procedure. 6-3 EP739/EP739H/EP738 Series Step3. Key-in S/N in to the blank beside Barcode, and than press “Enter” key on the keyboard to begin programming. Step4. After finishing the above action, “PASS” message will appear on the screen. 6-4 EP739/EP739H/EP738 Series 6-3.2 Digital: for EP739 only Step1. Mark sure the COM port is connecting ok. Choose the “Digital” to do the Digital DDC procedure. 6-5 EP739/EP739H/EP738 Series Step2. Key-in S/N in to the blank beside Barcode, and than press “Enter” key on the keyboard to begin programming. Step3. After finishing the above action, “PASS” message will appear on the screen. 6-6 EP739/EP739H/EP738 Series Appendix A Exploded Diagram EP739/EP739H/EP738P Notice: 1. Beacuse F/W change, M/B also change, please reference RSPL to modify. 2. Color wheel change, please reference RSPL to modify. 70.80N02.001 7-1 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 51.80J04G001 INTERRUPT SW BOTTOM 739 PPS "GREEN" 2 51.80N14.001 ELEVATOR SLEEVE PC+ABS EP739 3 51.80N15.001 LENS SUPPORT PC+ABS EP739 4 51.80N20.001 MYLAR FOR LVPS BOTTOM EP739 5 52.80N02.001 SPONGE FOR DMD CR-4305 EP739 6 52.80N11.001 SPONGE FOR LVPS-1 47*3 APU t=4.0mm EP739 7 52.80N12.001 SPONGE FOR LVPS-224.5*3 APU t=4.0mm EP739 8 52.88504.001 LVPS BOTTOM THERMAL PAD Fujipoly SARCON GR-b 26*21*3mm 9 61.00029.001 SCREW PAN MECH M3*5*D8 Ni 10 61.80N03.001 LVPS HOLDER SECC EP739 11 61.80N04.001 LVPS PLATE AL5052 t=0.8mm EP739 12 61.80N14.001 BOTTOM MESH SQUARE 1.1mm HOLE 0.5t EP739 13 61.87340.001 STAND OFF M3*4L D8.0 2100MP 14 75.80J02G001 ASSY INTERRUPTER SWITCH "GREEN" 15 85.1A626G050 SCREW PAN MECH M2.6*5 BLACK NYLOK "GREEN" 16 85.1C224.050 SCREW PAN MECH M4*5 COLOR W/TOOTH WASHER 17 70.80N22.001 PRE ASSY LVPS MODULE EP739 18 85.1F123.080 SCREW PAN MECH W/SF M3*8 Ni 19 85.3A122.040 SCREW CAP MECH M2*4 Ni 20 85.4A326.060 SCREW FLAT MECH M2.6*6 BLACK 21 41.80N01G001 EMI GASKET W10*H8.5*L50 "GREEN" EP739 22 51.80J03G001 INTERRUPT SW HOLDER 739 PPS "GREEN" 23 51.80N10.001 ELEVATOR LEVEL PC+ABS EP739 24 51.80N17.001 MYLAR FOR LVPS EP739 25 51.87216.001 ELEVATOR BASE HOLDER NORYL 3200MP 26 51.87217.001 ELEVATOR GEAR BAR NORYL 3200MP 27 61.00022.001 SELF-LOCKING RING (SPN p1.5) 28 61.80N01.001 BOTTOM BASE Mg-ALLOY EP739 29 61.83404.001 HEXAGON COPPER STICK M3 L18 SCREW L4.5 EzPro 735 30 61.86708.001 HEX SPACER M3 W5mm L52mm COPPER EP731 31 61.86713.001 ELEVATOR SPRING SUS 304 0.4/OD4.4/L12 EP731 32 61.87220.001 ELEVATOR SPRING 0.D:p4.5 W.D:p0.3 L:65mm 3200MP 33 61.87335.001 ELEVATOR SPRING SUS304 X0.4/0D4.74/L8.3 34 61.89532.001 HEXSPACER H29 4100MP 35 80.88504.001 PCAB THERMAL SENSOR BD ID=90 2200MP 37 70.80N14.001 ASSY BLOWER FAN MODULE EP739 38 70.80N07.001 ASSY LAMP DRIVER MODULE EP739 Note: Please refer to RSPL for updated part numbers. 7-2 EP739/EP739H/EP738 EP738 70.80Y02.001 7-3 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 51.80J04G001 INTERRUPT SW BOTTOM 739 PPS "GREEN" 2 51.80N14.001 ELEVATOR SLEEVE PC+ABS EP739 3 51.80N15.001 LENS SUPPORT PC+ABS EP739 4 51.80N20.001 MYLAR FOR LVPS BOTTOM EP739 5 52.80N02.001 SPONGE FOR DMD CR-4305 EP739 6 52.80N11.001 SPONGE FOR LVPS-1 47*3 APU t=4.0mm EP739 7 52.80N12.001 SPONGE FOR LVPS-224.5*3 APU t=4.0mm EP739 8 52.88504.001 LVPS BOTTOM THERMAL PAD Fujipoly SARCON GR-b 26*21*3mm 9 61.00029.001 SCREW PAN MECH M3*5*D8 Ni 10 61.80N03.001 LVPS HOLDER SECC EP739 11 61.80N04.001 LVPS PLATE AL5052 t=0.8mm EP739 12 61.80N14.001 BOTTOM MESH SQUARE 1.1mm HOLE 0.5t EP739 13 61.87340.001 STAND OFF M3*4L D8.0 2100MP 14 75.80J02G001 ASSY INTERRUPTER SWITCH "GREEN" 15 85.1A626G050 SCREW PAN MECH M2.6*5 BLACK NYLOK "GREEN" 16 85.1C224.050 SCREW PAN MECH M4*5 COLOR W/TOOTH WASHER 17 70.80N22.001 PRE ASSY LVPS MODULE EP739 18 85.1F123.080 SCREW PAN MECH W/SF M3*8 Ni 19 85.3A122.040 SCREW CAP MECH M2*4 Ni 20 85.4A326.060 SCREW FLAT MECH M2.6*6 BLACK 21 41.80N01G001 EMI GASKET W10*H8.5*L50 "GREEN" EP739 22 51.80J03G001 INTERRUPT SW HOLDER 739 PPS "GREEN" 23 51.80N10.001 ELEVATOR LEVEL PC+ABS EP739 24 51.80N17.001 MYLAR FOR LVPS EP739 25 51.87216.001 ELEVATOR BASE HOLDER NORYL 3200MP 26 51.87217.001 ELEVATOR GEAR BAR NORYL 3200MP 27 61.00022.001 SELF-LOCKING RING (SPN p1.5) 28 61.80N01.001 BOTTOM BASE Mg-ALLOY EP739 29 61.83404.001 HEXAGON COPPER STICK M3 L18 SCREW L4.5 EzPro 735 30 61.86708.001 HEX SPACER M3 W5mm L52mm COPPER EP731 31 61.86713.001 ELEVATOR SPRING SUS 304 0.4/OD4.4/L12 EP731 32 61.87220.001 ELEVATOR SPRING 0.D:p4.5 W.D:p0.3 L:65mm 3200MP 33 61.87335.001 ELEVATOR SPRING SUS304 X0.4/0D4.74/L8.3 34 61.89532.001 HEXSPACER H29 4100MP 35 80.88504.001 PCAB THERMAL SENSOR BD ID=90 2200MP 37 70.80N14.001 ASSY BLOWER FAN MODULE EP739 38 70.80Y06.001 ASSY LAMP DRIVER MODULE EP738 Note: Please refer to RSPL for updated part numbers. 7-4 EP739/EP739H/EP738 EP739/EP738 Series 70.80N03.001: for EP739 only 70.80Y13.001: for EP738 series 7-5 EP739/EP739H/EP738 Exploded Parts List Item P/N 1 61.00068.001 HEX SPACER M3 H=40mm L=4mm AL EP739 2 61.80N17.001 KEYPAD SHIELDING AL+MYLAR EP739 3 Description 75.80N04.001: for EP739 only ASSY BUTTON MODULE EP739 70.80N04.002: for EP738/EP738P 4 80.80N03.001 PCBA KEYPAD BD FOR EP739 5 85.ZA123.040 SCREW WCH/W MECH M3*4 Ni 6 42.89604.001 CABLE FFC 16P P=0.5 130mm EP759 7 8 51.80N01.001: for EP739 only TOP COVER PC+ABS EP739 51.80N01.002: for EP738/EP738P 61.86708.001 HEX SPACER M3 W5mm L52mm COPPER EP731 Note: Please refer to RSPL for updated part numbers. EP739 70.80N01.001 7-6 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 11.009F0G005 CNNT F 166P FOR 0.55" SVGA LGA DMD SOCKET;FOXCONN "GREEN" 2 48.858DMGD13 DMD 1024*768 PIXEL DDR FTP 0.7"XGA "GREEN" 3 51.80W33G001 ENGINE BOTTOM MIRROR1 TAPE 3M-J350 2300MP "GREEN" 4 51.80W34G001 ENGINE BASE MIRROR2 TAPE 3M-J350 2300MP "GREEN" 5 52.87130G001 RUBBER BLOWER 595925 "GREEN" 6 85.1A523G040 SCREW PAN MECH M3*4 NYLOK "GREEN" 7 51.80B31G001 DMD INSULATOR MYLAR 0.8t 3300MP "GREEN" 8 52.80J01G001 DMD ANTIDUST RUBBER 739 SILICONE RUBBER "GREEN" 9 52.87319G001 DMD THERMAL PAD 18*13*0.5t "GREEN" 10 61.80J10G001 DMD LIGHT MASK 739 SUS301 "GREEN" 11 61.88605G001 DMD HEATSINK A1070 Ivy10X "GREEN" 12 61.88606G001 DMD HEATSINK BAKER PLATE A6061 Ivy10X "GREEN'' 13 61.88608G001 DMD HEATSINK SPRING PLATE SUS301 0.4t Ivy10X "GREEN" 14 61.88611G001 DMD SCREW Ivy10X "GREEN" 15 80.80N02.001 PCBA DMD BD FOR EP739 16 70.80N11.001 SUB ASSY ENGINE MODULE EP739 Note: Please refer to RSPL for updated part numbers. 7-7 EP739/EP739H/EP738 EP738P 70.80T01.001 Exploded Parts List Item P/N Description 1 61.80N11.001 2 51.80N05G.002 3 51.80Y04.001 ZOOM RING STOPPER PC+ABS EP739 4 70.81T02.001 ASSY FPL05 ENGINE MODULE EP738P LENS CLAMP SUS t=0.5mm EP759 ZOOM RING PC+ABS EP738 Note: Please refer to RSPL for updated part numbers. 7-8 EP739/EP739H/EP738 EP738 70.80Y01.001 7-9 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 52.81510.003 SILICON RUBBER for LAMP EP739 2 75.80N03.001 LIGHT CUT COVER MODULE EP739 3 85.1A626.050 SCREW PAN MECH M2.6*5 BLACK NYLOK 4 85.4A122.040 SCREW FLAT MECH M2*4 Ni 5 61.88505.001 LAMP BRACKET 1 SUS301 0.3t 2200MP 6 61.88506G001 LAMP BRACKET 2 SUS301 0.3t 2200MP ''GREEN" 7 61.00018G002 LOCK SCREW PAN MECH M3*8.5-3.5 BLACK "GREEN" 8 61.80N09.001 LAMP HOLDER AL-ADC12 EP759 9 61.87125G001 LAMP HADNLER SUS304 "GREEN" 10 51.80J02G001 LAMP BOTTOM 739 PPS "GREEN" 11 61.80W16G001 12 23.80N15.001 LAMP INSULATOR AL 2300MPX "GREEN" PHOENIX 200W DC LAMP X66 REFLECTOR 51*51mm LV=85mm HV=75mm Note: Please refer to RSPL for updated part numbers. 7-10 EP739/EP739H/EP738 EP739/EP738P 70.80N07.001 7-11 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 42.89608.001 W.A. 5P #28 140mm LAMP DRIVER TO MAIN BD EP759 2 51.00138.001 SPACER SUPPORT SCK-3A "PINGOOD" EP739 3 51.80N13.001 LAMP DRIVER HOLDER PC+ABS EP739 75.80N01.001 ASSY HITACHI LAMP DRIVER EP739 75.80N06.001 ASSY HITACHI LAMP DRIVER EP739X 4 Note: Please refer to RSPL for updated part numbers. 7-12 EP739/EP739H/EP738 EP738 70.80Y06.001 Exploded Parts List Item P/N Description 1 42.89608.001 W.A. 5P #28 140mm LAMP DRIVER TO MAIN BD EP759 2 51.00141G.001 SPACER SUPPORT PG-KCA-3 "GREEN" 3 51.80N13.001 LAMP DRIVER HOLDER PC+ABS EP739 4 75.88503.001 ASSY USHIO LAMP DRIVER 2200MP Note: Please refer to RSPL for updated part numbers. 7-13 EP739/EP739H/EP738 EP739/EP738/EP738P 75.80N18.001 7-14 EP739/EP739H/EP738 Exploded Parts List Item P/N Description 1 51.80N06.001 PUSH BUTTON PC+ABS EP739 2 51.80N19.001 MYLAR FOR IR SENSOR EP739 3 61.80N18.001 FRONT SHIELDING BRACKET EP739 4 85.WA126.050 .SCREW PAN TAP M2.6*5 Ni 5 51.80N02.001 FRONT COVER PC+ABS EP739 6 51.89618.001 IR SENSOR HOLDER PC 1225Y EP759 Note: Please refer to RSPL for updated part numbers. 7-15 EP739/EP739H/EP738 EP739/EP738/EP738P 70.80N06.001 Exploded Parts List Item P/N Description 1 51.80N16.001 MYLAR FOR PCBA MAIN EP739 2 52.80N07.001 M/B ABSORPTION NOISE CVS 15*t10mm L40 EP739 3 80.80N01.001 80.81T01.001 80.80Y01.001 PCBA MAIN BD FOR EP739 PCBA MAIN BD FOR EP738P PCBA MAIN BD FOR EP738 Note: Please refer to RSPL for updated part numbers. 7-16 EP739/EP739H/EP738 EP739/EP738P 70.80N13.001 Exploded Parts List Item P/N 1 52.80N06.001 SPONGE FOR BLOWER DUCT BF1000 t=3.3mm EP739 49.80N01.001 SUNON 70*20 R TYPE AXIAL FAN 49.80N01G001 SUNON 70*20 R-TYPE AXIAL FAN, GM1207PKVX-A 70*70*20mm, JST CONNECTOR,GREEN SUMITUDE "GREEN" 3 41.80N04G001 EMI GASKET W10*H6.5*L80 "GREEN" 4 52.80W01.001 RUBBER FOR FAN7020 2300MPX 5 61.80N07.001 FAN BRACKET SECC EP739 2 Description Note: Please refer to RSPL for updated part numbers. 7-17 EP739/EP739H/EP738 EP738 70.80Y09.001 Exploded Parts List Item P/N Description 1 49.80N01.001 SUNON 70*20 R TYPE AXIAL FAN 2 49.80N01G.001 SUNON 70*20 R-TYPE AXIAL FAN 3 52.80N06.001 4 41.80N04G.001 5 51.89546.001 EDGE SADDLE DS-1 PIN GOOD 6 52.80W01.001 RUBBER FOR FAN7020 2300MPX 7 61.80Y08.001 BRACKET SECC EP738 SPONGE FOR BLOWER DUCT EMI GASKET W10*H6.5*L80 "GREEN" Note: Please refer to RSPL for updated part numbers. 7-18 EP739/EP739H/EP738 EP739/EP738/EP738P 70.80N22.001 Exploded Parts List Item P/N Description 1 42.80S07G001 W.A. 14P 190mm LVPS TO M/B TDP-T90 ''GREEN" 2 42.80N02.001 W.A. 2P #20 135mm LVPS/BALLAST EP739 3 75.81J01.002 ASSY LVPS QUASAR H30B Note: Please refer to RSPL for updated part numbers. 7-19 EP739/EP739H/EP738 EP739/EP738/EP738P 70.80N14.001 Exploded Parts List Item P/N 1 52.87306.001 Description RUBBER BLOWER FAN FRAME 2100MP 49.80N02G001 SUNON 50*20 R-TYPE BLOWER, GB1205PKV4-8AR, 50*50*20mm, JST CONNECTOR, BLUE SUMITUDE, "GREEN" 49.80N02.001 SUNON 50*20 R-TYPE BLOWER, GB1205PKV4-8AR, 50*50*20mm, JST CONNECTOR, BLUE HEAT SHRINKABLE TUBING 2 Note: Please refer to RSPL for updated part numbers. 7-20 EP739/EP739H/EP738 EP739/EP738/EP738P 70.80N15.001 Exploded Parts List Item P/N Description 1 51.80N11.001 SPEAKER HOLDER PC+ABS EP739 2 49.88604.002 SPEAKER 8ohm 2W X16 EP759 Note: Please refer to RSPL for updated part numbers. 7-21 EP739/EP739H/EP738 Appendix B I. Serial Number System Definition Notice: In order to differentiate appearances difference between EP739 and EP739H, we get a picture to description EP739H. If we see the mark in the spec label as right-down angle, that means such kind of product are EP739H. Serial Number for Projector A BBB Y WW C D BEMO EEEE 1 2 3 4 6 5 7 8 1 : O = Optoma 2 : Product Code (ex: 80N= EP739 Series) 3 : Y = Last Number of the Year (ex: 2002 - 2, 2003 - 3) 4 : Week of Year 5 : Panel Vendor Code 6 : Electrical Classification (1=110V, 2=220V, 0=Universal) 7 : B = BIOS Version, E = PCB Board Version, M = Mechanical Version, L = Location of Manufacture 8 EX: : Serial Code (from 0001~) O80N4333T0AAA0002: for EP739/EP739H (As Notice) O80Y4333T0AAA0002: for EP738 O81T4333T0AAA0002: for EP738P This label “O80N333T0AAAA0002” represents the whole serial number for EP739/EP738 series, including Ver. 1st of BIOS and Ver. 1 of PCB Board. Both mechanical and optical version are 1st. In addition, panel vendor is T. It’s produced on 33-week of 2004 for universal area and its serial code is 0002. 7-22 EP739/EP739H/EP738 *Reader’s Response* Dear Readers: Thank you for your backing our service manual up. In order to refine our content of the service manual and satisfy your requirement. We expect you can offer us some precious opinions for reference. Assessment: A. What do you think about the content after reading EP739/EP738 series Service Manual? Unit Excellent Good Fair Bad 1. Introduction 2. Disassembly Procedure 3. Troubleshooting 4. Function Test & Alignment Procedure 5. Firmware Upgrade Procedure 6. DDC key-in Procedure 7. Appendix B. Are you satisfied with the EP739/EP738 series service manual? Item Excellent Good Fair Bad 1. Service Manual Content 2. Service Manual Layout 3. The form and listing C. Do you have any other opinion or suggestion about this service manual? Reader’s basic data: Name: Title: Company: Add: Tel: Fax: E-mail: After your finishing this form, please send it back to Coretronic Customer Service Dept. by fax: 886-3-563-5333. 7-23 EP739/EP739H/EP738