Optoma H31, Service Manual

Page 1: ... s I l a i t i n I Copyright January 2005 All Rights Reserved Document 81G G04 01A P N 36 81G03 001 Prepared by SI ________________________________________ Prepared by TSE ________________________________________ Check by ________________________________________ Approved by ________________________________________ ...

Page 2: ...yidentifyproblemsthatoccur 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 Theinformationfoundinthismanualissubjecttochangewit...

Page 3: ...hermal Switch 60 20 intermedia Fan Front Fan Module and Fan Guider Module 2 6 Disassemble Color Wheel Engine Photo Sensor DMD chip Blower Fan Limit Switch Elevator Foot Module and Bottom Cover 2 10 Chapter 3 Troubleshooting 3 1 Equipment Needed 3 1 Main Procedure 3 1 Chapter 4 Function Test and Alignment Procedure 4 1 Product 4 1 Test Equipment 4 1 Test Condition 4 1 Service Mode Method 4 2 Test D...

Page 4: ...ent Needed 6 1 Setup Procedure 6 2 DDC Key in Procedure 6 3 Appendix A Exploded Diagram 7 1 Appendix B Serial Number System Definition 7 19 Serial Number Format for Projector 7 19 Appendix C Borad S N Coding 7 20 Reader s Response 7 21 III H31 ...

Page 5: ...mpatibilitywithoneD subinputterminal Auto image re sizing to 854 480 full screen Manualfocusprojection Autodetectionofcomputersignalinput AutoImagesynchronization Auto tracking frequency positionadjustment Eco mode supports 1 2 Mechanical Specifications Dimensions LxWxH External 10 7 8 3 3 4 inches 272 210 86mm Weight Approximate 4 6 lbs 2 1 Kg CoolingSystem Fourfanswithlowsystemacousticnoiselevel...

Page 6: ...YPbPr RCA support 480i p 576i p 720p 1080i RS 232 C Video Compatibility Standards NTSC M 3 58 MHz 4 43 MHz PAL B D G K I M N SECAM B D G K K1 L HDTV 480p 576i p720p 1080i 1 4 Optical Specifications ProjectionLens ThrowRatio 1 65 2 0 1 ProjectionLens Adjustablefrom31 8 to330 6 Diagonal ThrowDistance 1 4 12m Brightness 580ANSI Lumens Typical 490ANSILumens Minimum Contrast 1500 1 Typical 1100 1Minimu...

Page 7: ...perating 5 to 35 C 80 RH max non condensing Storage 20 to 60 C 80 RH max non condensing AcousticNoiseLevel 36 2 dbA typical 23 2 C LampLife 2000 hours typical 50 survival rate Brite Mode 3000 hours typical 50 survival rate Normal Mode Altitude Operating 0 2 500 ft 5 35 C 2 500 5 000 ft 5 30 C 5 000 10 000 ft 5 25 C Storage 40 000 ft ...

Page 8: ...ration Chapter 2 Disassembly Procedure 2 1 Disassemble Lamp Module and Top Cover Step1 Turn unit to bottom side and unscrew one screw to remove Lamp Cover LampCover Step2 Unscrew three screws to remove Lamp Module Lamp Module ...

Page 9: ...H31 2 2 Coretronic Corporation Step3 Unscrew four screws and unplug one connector to remove Top Cover TopCover ...

Page 10: ...ation 2 2 Disassemble Keypad Board Rear Cover and IO Board and Main Board Step1 Disconnect the cable and tear off the mylar Insulator Mylar Cable FFC Step2 Unsrew three screws to take off Keypad Board Keypad Board Keypad Buttom ...

Page 11: ...H31 2 4 Coretronic Corporation Step3 Unscrew two hex screws and two screws Main Board Module Step4 Unplug eleven wires and unscrew five screws to remove Main Board ...

Page 12: ...H31 2 5 Coretronic Corporation Step5 Separate IO Cover Module and IO Board from Main Board IO Cover Module Main Board IO Board ...

Page 13: ...semble Ballast Thermal Switch 60 20 intermedia Fan Front Fan Module and Fan Guider Module Step1 Unscrew five screws to put Ballast aside to the unit Step2 Separate one cable from Bushing and unplug two cables to remove Ballast Bushing Ballast ...

Page 14: ...screws and unplug one wire to remove LVPS Module Unscrew 1 screw to remove the Thermal Sensor in the blue circle LVPS Module Step4 Unscrew one screw to remove Plate and Thermal Switch Notice Be careful not to scratch the Color Wheel Thermal Switch Plate ...

Page 15: ...8 Coretronic Corporation Step5 Unscrew three screws to remove 60 20 Intermedia Fan Module and Fan Bracket 60 20 Intermedia Fan Fan Bracket Step6 Unscrew four screws to remove Front Fan Module Front Fan Module ...

Page 16: ...ion Step7 Unscrew three screws to remove Front Fan Module Tear off the Mylar to remove the IR Receiver TopCover System Fan Fan Bracket Step8 Unscrew one screw to remove Fan Guider Module Fan Guider Module M M M M MM M M M M Mylar ...

Page 17: ...tice Do not scratch the Color Wheel 2 4 Disassemble Color Wheel Engine Photo Sensor DMD Chip Blower Fan Limit Switch Elevator Foot Module and Buttom Cover Color Wheel Step2 Unscrew seven screws to remove Engine Module Blower Fan and Photo Sensor Photo Sensor Engine Module BlowerFan ...

Page 18: ... Corporation Step3 Tear off Mylar and unsrew four screws to removeDMDBoard andDMDChip Heat Sink DMD Chip DMD Board Heat Sink Heat Mylar DMDThermalPad DMD Socket Step4 Unscrew two screws to remove Limit Switch Limit Switch ...

Page 19: ...H31 2 12 Coretronic Corporation Step5 Unscrew two screws to remove Elevator Foot Module and Bottom Cover Bottom Cover Gear Bar Base Holder Spring Foot ...

Page 20: ... PC Personal Computer VGACable Video S VideoInput ScrewDrivers 3 2 Main Procedure Connect Power cord S Video and then turn power on Start Is Lamp light on A Power Troubleshooting No Is Image OK B Image Performance Troubleshooting C Function Troubleshooting No Yes No Is function OK 1 Yes Yes ...

Page 21: ...H31 3 2 CoretronicCorporation No Yes 1 D Remote control Troubleshooting Is Remote Control OK No Fault Found End Yes ...

Page 22: ...hange Fan Module No Yes Yes No Change Lamp Module Ballast Change LVPS No Is Fan No working Change Start Yes No Check Lamp Cover assembly No Change Main Board No Change Ballast Check Power cord input power voltage Supply AC power Change LVPS No Yes No Light doesn t work No No Change Ballast No Yes Change Main Board Change Lamp Ballast Fail to light Change End Yes No ...

Page 23: ...oard Change M B No Change DMD Board No Change DMD Board Yes No Change DMD Chip Uniformity OK Yes No Change Engine Module Dot defect isn t compliant with the spec Yes Change DMD Chip Color Adjust Procedure Note 1 No Yes Is color OK No Change M B No Change DMD Board Change Engine Module No Have line bar No Change M B No Adjust frequency Yes Change Yes No change cable have signal ...

Page 24: ...o choose Color Wheel Index function 4 Press or button to adjust Note 1 It may need to be used when you replace Main Board or Optical Engine alone 3 2 3 C Function Troubleshooting see 3 2 4 to check the Remote Control Troubleshooting End Have noise Yes No No Change M B No Adjust tracking 1 FPC End Change Main Board Change Keypad Board No No Start No Yes Does OSD show up Can function be adjusted Cha...

Page 25: ...H31 3 6 CoretronicCorporation Start No Replace the battery Change Remote Controller End No Change M B Yes Yes Yes 3 2 4 D Remote Control Troubleshooting ...

Page 26: ...re InspectionDistance 2 5 3m Screen Size 60 inches diagonal wide Before function test and alignment each H31 should be run in and warmed up for at least2hours withfollowingconditions 1 In room temperature 2 With cycled display colors R G B White 3 With cycled display modes 640 480 H 37 5 KHz V 75 Hz 720 400 H 31 5 KHz V 70 Hz 800 600 H 53 7 KHz V 85 Hz 800 600 H 37 9 KHz V 60 Hz 1024 768 H 48 4 KH...

Page 27: ... 8 3 3 4 A G V 0 0 4 0 2 7 0 7 5 1 3 A G V 0 0 4 0 2 7 5 8 9 7 3 A G V S 0 0 6 0 0 8 6 5 2 5 3 A G V S 0 0 6 0 0 8 0 6 9 7 3 A G V S 0 0 6 0 0 8 2 7 1 8 4 A G V S 0 0 6 0 0 8 5 7 9 6 4 A G V S 0 0 6 0 0 8 5 8 7 3 5 A G X 8 6 7 4 2 0 1 4 3 4 5 5 3 A G X 8 6 7 4 2 0 1 0 6 4 8 4 A G X 8 6 7 4 2 0 1 0 7 5 6 5 A G X 8 6 7 4 2 0 1 5 7 0 0 6 A G X 8 6 7 4 2 0 1 5 8 7 8 6 A G X S 4 2 0 1 0 8 2 1 0 6 8 9 3...

Page 28: ... n a B G R r o l o C e t i h W l a m r o n e b d l u o h s r o l o c B G R h c a E Fi e r u g 6 3 4 y t i m r o f i n U n e e r c S r e k c i l F e t i h W l l u F c e p s e h t h t i w t n a i l p m o c e b d l u o h S Fi e r u g 6 5 l e x i P h s i m e l B d a e D e t i h W B G R 0 6 e u l B k r a D 0 3 y a r G d l u o h s s l e x i p h s i m e l b d a e d f o s r e b m u n e h T c e p s e h t h...

Page 29: ...oretronic Corporation B Color Pattern Figure 5 Full White Pattern Figure 6 Blue 60 Pattern Figure 9 Boundary Frame Figure 10 Dark Pattern Figure 7 Gary 30 Pattern Figure 8 Color Bar Figure 11 General 1 Figure 12 ...

Page 30: ...lect Phase Functionanduserightorleftarrowkeytoadjustthevaluetominimize videoflicker R G B and White Colors Contrast Test Signal 800 600 85Hz Test Pattern 64 or 16 R G B and White colors Intensities Pattern Please check and see if each colors is normal and distinguishable If not please return the unit to repair area Screen Uniformity and Flicker Test Signal 800 600 85Hz Test Pattern Full White Patt...

Page 31: ...st Indicator light Press Menu botton of remote control to test functions HDTV Usingthefollowingtablewithchroma2327 DVI Using thefollowingtablewithchroma 2316 S video video Press Source button to switch to S video and video mode and check the image quality e m i T n r e t t a P P 0 8 4 r a B r o l o C P 0 8 7 r a B r o l o C P 0 8 0 1 r a B r o l o C e m i T n r e t t a P z H 0 6 0 8 4 4 5 8 n r e ...

Page 32: ...00 70 00 75 03 85 00Hz Normally when the primary mode 800 600 85Hz is well adjusted and complaint with the specification thenthesecondarydisplaymodeswillbegreatpossibilitytobecomplaintwiththespecification Butwe still have to check with general test pattern to make sure every secondary modes is complaint with specification Factory Reset After final QC step we have to erase all saved change again an...

Page 33: ...1 Equipment Needed Software Bootcode HEX Configdata HEX Flasher HEX FlashUpgrader EXE Gui HEX pwSDK_8m INF Romcode HEX Hardware RS232 to mini din 3 Pin Cable PN 42 86301 001 PC H31 5 2 Setup Procedure 1 COM 1 of PC connects to H31 with RS 232 cable FirmwareupgradeFixture ...

Page 34: ..._8m inf 1 Execute FlashUpgrader exe 5 3 Upgrading Procedure 2 The window of FlashUpgrader shows up Click Choose to get the file directory Note1 Flash Upgrader operates on Windows 98 ME Note 2 Flash UpgraderNT operates onWindows 2000 NT XP ...

Page 35: ...it 5 Hold Power button and then click Flash icon Power button must be held till theDownloadinggui hexappears asthefollowingtwopicturesindicate H31 4 Selecttheserialportwhichisconnectedwiththefixture Don t use other baud rate less than 115200 or the program may not work 1 2 pwSDK_8m inf ...

Page 36: ...H31 5 4 Coretronic Corporation 6 Waitforfinish 7 Afterallfilesaredownloaded theunitwillstartupautomaticallytofinishfirmware upgrade pwSDK_8m inf pwSDK_8m inf 8 Factory reset ...

Page 37: ...er buttonatthesametimetwice thenpress Left Enter buttonatthesametime twice H31 Logo Change Procedure 1 Enterservicemode 2 Move the cursor to Display Source selection 3 Press and hold on Up and Left control button at the same time then press Down button 4 Therewillbea LogoSelect functionenable 5 Enter the Logo Select for the Logo change ...

Page 38: ...d EDID Fixture Both old and new version EDID Fixtures can use and please choose match one IC Generic PC set DFP DVI Cable 42 81702 001 Power Cord Power Adapter H31 Projector EDID Driver RS232 cable PowerAdapter RS232 Cable DFP DVI Cable EDID Fixture OldVersion EDIDFixture NewVersion ...

Page 39: ...Step2 JP1 and JP5 on the fixture are close and JP2 is open Step3 Turnonthefixture Step4 Connect P1 of the fixture with COM1 port of PC by RS232 cable Figure 1 and 2 Step5 Connect P3 of the fixture with theDVI port of H31 by DFP DVI cable Step6 Connect H31 with Power Cord PowerAdapter PowerSwitch P1 P2 P3 Old Version ...

Page 40: ...t P1 of the fixture with COM1 of PC by RS232 cable Step3 Connect P3 of the fixture withDVI port ofDVI DVI cable Step4 Plug PowerAdapter to the fixture and connect the H31 Power Cord Notice Confirm JP3 is Close status EDID Mode P2 P3 P4 JP3 Power Adapter P1 New Version Figure2 FinishSetup ...

Page 41: ...H31 6 4 Coretronic Corporation 6 3 DDC Key in Procedure 1 Turn on H31 and execute EDID exe program ...

Page 42: ...H31 6 5 Coretronic Corporation 2 Select COM 1 Port 3 Click the Model button and choose H31Digital EDIDCode INI 1 2 3 4 ...

Page 43: ...H31 6 6 Coretronic Corporation 5 Click OK after this message below emerges 4 Click Program afterinputingtheSerialNumber 1 2 ...

Page 44: ...H31 6 7 Coretronic Corporation 6 Input is done after the OK message shows in the red circle ...

Page 45: ...ircle Note 1 If EDID informations can t match with Barcode please cancel Trans item and click Read button again 8 Then click the Read button Note 2 Exit the program and restart your system when needs to burn EDID again 9 Inspect if the week and the last digits of the Serial number are correct or not ...

Page 46: ...H31 7 1 Coretronic Corporation Appendix A Exploded Diagram ...

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Page 64: ...ification 1 110V 2 220V 0 universal B BIOS version E PCB board version M Mechanical version O Optical version Serial code from 0001 EX A81G429T0AAAA1001 This label A81G429T0AAAA1001 represents the whole serial number for H31 including Ver 1st of BIOS and Ver 1 of PCB Board Both mechanical and optical version are 1st In addition panel vendor is T1 It s produced on 29 week of 2003 for universal area...

Page 65: ...H31 7 20 Coretronic Corporation Appendix C Board S N Coding A B XXXXXXXXXX C XXX XXXX ID Vendor Code P N Revision Date Code S N B DMD BD C MAIN BD Date Code Year 1 digit Week 2 digits ...

Page 66: ... l e c x E d o o G r i a F d a B n o i t c u d o r t n I 1 e r u d e c o r P y l b m e s s a s i D 2 g n i t o o h s e l b u o r T 3 e r u d e c o r P t n e m n g i l A t s e T n o i t c n u F 4 e r u d e c o r P e d a r g p U e r a w m r i F 5 e r u d e c o r P n i y e k C D D 6 n o i t a r b i l a C d n a n o i t a l l a t s n I r e v i r D l e n a P h c u o T 7 x i d n e p p A 8 B Are you satis...