Optoma H27, Service Manual

Page 1: ...s I l a i t i n I Copyright March 2005 All Rights Reserved Document 80J G04 01A P N 36 80J02 001 Prepared by SI ________________________________________ Prepared by TSE ________________________________________ Checked by ________________________________________ Approved by ________________________________________ ...

Page 2: ...ccur 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 Theinformationfoundinthismanualissubjecttochangewithoutpriornotice Anysub...

Page 3: ... Cover IR Receiver Board and Zoom Ring 2 6 Removing Color Wheel Module and Engine Module 2 8 Disassemble Engine Module 2 9 Removing 50x20 Blower Fan Module Elevator Module and Thermal Sensor Board 2 10 Chapter 3 Troubleshooting 3 1 Equipment Needed 3 1 Main Procedure 3 2 Chapter 4 Function Test and Alignment Procedure 4 1 Product 4 1 Test Equipment 4 1 Test Condition 4 1 Test Display Modes and Pat...

Page 4: ... in Procedure 6 3 Appendix A 7 1 Exploded Overview 7 1 Appendix B 7 15 Serial Number System Definition 7 15 Appendix C 7 16 Board S N Coding 7 16 Appendix D 7 17 DLP Composer Lite Setup Procedure 7 17 Appendix E 7 22 The Comparision of EDID Fixture 7 22 Reader s Response 7 23 H27 iii ...

Page 5: ... Screenmenuwith7languages Four types of projection method Front desktop Front Ceiling Rear desktop Rear Ceiling Four types of display mode Normal Game TV Movie or User for selections Notice Notice All modes except Normal Mode are fixed values Only Normal Mode can be adjusted for user s preference CoolingSystem a Advancedairflow b Twofanswithlowsystemacousticnoiselevel c Temperaturecontrolcircuitsw...

Page 6: ...ideo Signal RGB PC e Analog RGB 0 7Vp p 75 ohm f Analog RGB 1Vp p 75 ohm Sync signal g Separate TTL H V Sync h CompositeTTLSync i Video j Composite video 1Vp p 75 ohm k S video Luminance 0 714Vp p 75 ohm l Chrominance 0 286Vp p 75 ohm Videocompatibility NTSC M 3 58MHz 4 43 MHz 480i PAL B D G H I M N 576i SECAM B D G K K1 L HDTV 480p 576p 720p 1080i WVGA Compression by using DDP2000 Chips to compre...

Page 7: ...pical Projection lens F 2 6 2 8 f 22 34 26 8mm Zoom Lens Projection screen size 30 1 to 241 6 Diagonal for 16 9 Projection distance 1 5M 10M Throw ratio 1 87 2 25 1 distance width Operationalnoise Specification 28dB Normal mode 32 dB Brite mode Temperatures a Operating 5 35 C 80 humidity Max b Storage 20 60 C 80 humidity Max Altitude a Operating 5 35 C 0 2 500 ft 5 30 C 2 500 5 000 ft 5 25 C 5 000...

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

Page 9: ...H27 2 1 Chapter 2 Disassembly Procedure The Front Side The Rear Side Equipment Needed Screw Bit 107 HexSleeves5mm Screw Bit 101 HexSleeves8mm Appearance ...

Page 10: ...rews to remove Rear Cover Rear Cover 2 2 Removing Rear Cover Keypad Board Top Cover and Main Board Hex screws 2 1 Removing Lamp Module 1 Turnovertheunit Loosen 2 screws to remove Lamp Cover Loosen 2 screws to pull out Lamp Module LampModule ...

Page 11: ...ve it and then disconnect the FFC cable Notice Be careful don t put forth your strength too hard in case the FFC cable breaks off Keypad Board FFC Cable 4 Unscrew 5 screws and disconnect 9 connectors then remove Main Board Notice Because there is a connector under Main Board and linking toDMDBoard you should lift up to remove Main Board MainBoard ...

Page 12: ...rews and 2 hex spacers and disconnect the connector to remove LampDriver Module 3 Unscrew 2 screws to remove Interrupt Switch 2 3 Removing 70x20 AXIAL Fan Module Lamp Driver Module Interrupt Switch and LVPS Module 70x20AXIALFan Module LampDriverModule hex spacers connector ...

Page 13: ...H27 2 5 4 Unscrew 7 screws one of 7 screws is used byGrounding to remove LVPS Module usedbyGrounding Interrupt Switch LVPS Plate LVPS Module ...

Page 14: ...FrontCover Notice Lift up the four plastic plates and you can loosen the tenons as well as the Front Cover Module 2 4 Removing Front Cover Insert Front Cover IR Receiver Board and Zoom Ring 1 Remove Front Cover Insert Notice Press two sides of the Front Cover Insert to lift it up ZoomRing ...

Page 15: ...H27 2 7 4 Take off the Mylar to remove IR Receiver Board IR Receiver Board Front Cover ZoomRing Front Cover Insert 3 RemoveZoomRing ...

Page 16: ... screw from Engine Base then unscrew 6 screws to remove Engine Module 2 5 Removing Color Wheel Module and Engine Module ColorWheelModule Notice Please screw well the two tenons should be stick out when you assemble ColorWheel Module LensClamp Stopper MB Bracket ColorWheel Module Twotenons ...

Page 17: ...Module 3 Unscrew 2 screws to remove Light Cut Formatter Board Heat Sink DMD Chip 2 6 Disassemble Engine Module DMD Thermal Pad DMD Insulator Mylar DMD Heatsink Baker Plate DMD Heatsink DMD Heatsink Spring Plate SUB ASSY Engine Module Light Cut Sponges Notice Don t forget to paste the sponges when you assemble the SUBASSYEngine Module ...

Page 18: ...ew 3 screws to remove 50x20 Blower Fan Module 2 Unscrew one screw to remove Thermal Sensor Board 2 7 Removing 50x20 Blower Fan Module Elevator Module and Thermal Sensor Board 50x20 Blower Fan Module ThermalSensorBoard ...

Page 19: ...H27 2 11 3 Unscrew 9 screws to remove Bottom Base and Elevator Module 4 Turn over the Bottom Base and unscrew two screws to remove Elevator Foot ...

Page 20: ...eckLampDriver Check Main Board 3 2 2 Auto Shutdown Check LED indicator Notice a If Lamp LEDlit please check Lamp Module b IfTemp LEDlit please checkThermal Sensor Board c If Temp LEDblinks please check Fan Module d If Power LEDoff please check LVPS Check Main Board CheckLampDriver 3 2 3 No Image Ensure that the signal cables and source are work as well If you connect multiple sources at the same t...

Page 21: ...neModule 3 2 6 Line Bar Line Defect Sometimes it s because ofDMDchip andDMDboard did not assemble properly CheckDMDBoard CheckDMDChip Check Main Board 3 2 7 Image Flicker Do FactoryReset oftheengineeringmode Ensure that the signal cables and source are work as well Check Lamp Module Check Color Wheel CheckDMDBoard Check Main Board 3 2 8 Color Abnormal Check ColorSetting oftheengineeringmode includ...

Page 22: ...eModule CheckDMDChip CheckEngineModule 3 2 11 Screen Size Abnormal Do FactoryReset oftheengineeringmode Adjust AspectRatio Check Main Board 3 2 12 Garbage Image Ensure that the signal cables and source are work as well Check Main Board CheckDMDBoard 3 2 13 Remote Mouse Abnormal Check PC Laptop Hardware setting Check battery CheckRemoteController Check IR Receiver Board Check Main Board 3 2 14 OSD ...

Page 23: ...IDhardware setting please refer to pages 6 1 and 6 2 Check PC Laptop setting Check PC Laptop OS system Checkprogram Re boot PC Laptop Check Main Board 3 2 16 Other Input Signal Problem Video S VideoNo Image ImageNoise or LineDefect DVI input OK a Check Main Board DVINo Image Video S Video input OK a Check Main Board DVI ImageNoise Ripple Video S Video input OK a Adjust Tracking function b Changere...

Page 24: ...o w e r co rd p lug g e d P o w e r N o rm a l o p e ra tio n P o w e r b utto n p re sse d Te m p P ro je cto r o ve rhe a te d Te m p B link F a n lo ck L a m p L a m p fa il P o w e r C o o ling sta g e 1 N o t in te rr up tib le F a n b lo w s N o rm a l tu r n o ff P o w e r B link C o o ling sta g e 2 C a n a cce p t P O W E R b u tto n F a n b lo w s la s ting a b o u t 6 0 se c N o rm a l ...

Page 25: ...B or CHROMA2327 4 3 Test Condition Chapter 4 Function Test and Alignment Procedure Circumstance Brightness Dark room less than 2 5 lux InspectionDistance 1 5m 3mforfunctionalinspection Screen Size 60 inches diagonal wide After repairing each H27 the unit should be burn in for at least 4 hours Notice Set H27 in Burn in Mode Press Power Menu to enter the engineering mode Choose Burn in test and then...

Page 26: ... 9 7 3 A G V W 0 8 4 x 4 5 8 0 6 2 2 3 A G V S 0 0 6 x 0 0 8 6 5 2 5 3 0 0 6 x 0 0 8 0 6 9 7 3 0 0 6 x 0 0 8 2 7 1 8 4 0 0 6 x 0 0 8 5 7 9 6 4 0 0 6 x 0 0 8 5 8 7 3 5 A G X 8 6 7 x 4 2 0 1 0 6 4 8 4 8 6 7 x 4 2 0 1 0 7 5 6 5 8 6 7 x 4 2 0 1 5 7 0 0 6 8 6 7 x 4 2 0 1 5 8 7 8 6 A G X S 4 6 8 x 2 5 1 1 0 7 8 3 6 4 2 0 1 x 0 8 2 1 0 6 8 9 3 6 6 1 C A M 4 2 6 x 2 3 8 5 5 4 7 5 2 7 9 4 9 1 C A M 8 6 7 x...

Page 27: ...t h g i r b y n a t p e c c a t o n n a C 8 e r u g i F k r a D l e x i P d a e D l e x i p e t i h W l l u F d l u o h s l e x i p d a e d f o s r e b m u n e h T l e x i p 6 o t t n u o m a r o r e l l a m s e b 7 e r u g i F 6 t h g i r B h s i m e l B y a r G k c a l B l l u F 0 3 e b t o n n a c h s i m e l b t h g i r b e h T h t i w r a e p p a m e l b o r p e h t f i t p e c c a n r e t t ...

Page 28: ...H27 4 4 Figure 7 Full White Figure 8 Full Black 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 ...

Page 29: ...H27 4 5 Figure 9 Gary 30 Pattern Figure 10 Blue 60 Pattern Figure 11 Text Pattern Figure 12 Boundary Frame Figure 13 Gary 10 Pattern ...

Page 30: ...equency functiontoadjustthetotalpixelnumberofpixelclockinone lineperiod 2 Thenselect Tracking functionanduserightorleftarrowkeytoadjustthevalue tominimizevideoflicker Boundary Test Signal 854x480 60Hz Test Pattern Boundary Frame Adjust Resync or Frequency Tracking H Position V Position to the inner of the screen Focus Test Signal 854x480 60Hz Test Pattern Text Pattern Adjustthecenterclearly meanwh...

Page 31: ...d pixels onDMDchip The total numbers and distance of dead pixels should be complaint with the spec Notice 1 BrightPixel Test Pattern Full Black Pattern Please check and ensure that the unit cannot accept any bright pixel If not please return the unit to repair area 2 DarkPixel Test Pattern FullWhite Pattern Please check and ensure that the pixel number should be smaller or amountto6pixels If not p...

Page 32: ...Hz 85Hz 37 9KHz 640x400 85Hz 37 9KHz 640x480 60Hz 31 5KHz 72Hz 37 9KHz 75Hz 37 5KHz 85Hz 43 3KHz 720x400 70Hz 31 5KHz 85Hz 37 9KHz 800x600 56Hz 35 2KHz 60Hz 37 9KHz 72Hz 48 1KHz 75Hz 46 9KHz 85Hz 53 7KHz 1024x768 60Hz 48 4KHz 70Hz 56 5KHz 75Hz 60 0KHz 85Hz 68 7KHz 1152x864 70Hz 63 8KHz 1280x1024 60Hz 63 98KHz 832x624 74 55Hz 49 725KHz 1024x768 75Hz 60 24KHz 1152x870 75 06Hz 68 68KHz 640x480 60Hz 3...

Page 33: ...ain and restore the factory defaults Please press Power Menu on the projector control panel to enter the engineering mode and then choose Factory Reset then choose YES and press enter to see ifitworks Thisactionwillallowyoutoeraseallend user ssettingsandrestoretheoriginalsetting ...

Page 34: ...tup Procedure Software DLP Composer Lite H27 IMG Hardware H27 Projector PC or Laptop Cable One MiniDIN 3 pin for RS232 Power Cord 1 Connecting the RS232 Cable One MiniDIN3 pin between PC Laptop and H27 projector Notice Do not connect the H27 Power Cord in this procedure RS232 Cable ...

Page 35: ... and then plug in the H27 power cord until LAMP TEMP and POWER LEDturnintothelight Notice LAMP and TEMP LEDturnintolightfirstatthesametime andthen POWER LEDturn into the light Firmware Upgrade Mode 3 Click Edit andthen Preferences 2 Executethe DLPComposerLite program ...

Page 36: ...u installed DLP Composer Lite is correct or not If the path is wrong please click Browse to select the right path 5 Click Communications Choose Projector Interface as Serial Port DDP2000 Select COM1 portandthenclick Configure 1 2 3 4 ...

Page 37: ... 4 6 Choose Baud Rate as 115200 Data Bits as 8 Stop Bits as 1 Parity as None RTS and CTS as Disable andthenclick OK Click OK afterselectingtherightfunctionsin DLPComposerPerference 7 Click FlashLoader 1 2 3 ...

Page 38: ...ad all but the first 16KB This could prevent boot code to be damaged if you failed to download firmware Notice Please check the Start location of ImageData hex which marked as the yellow field If the item Skip Boot LoaderArea load all but the first 16KB was not selected the Start location would be 0x00000000 1 2 3 ...

Page 39: ...H27 5 6 10 Click Reset Bus and you will see the status change to Bus Reset 11 Click StartDownload andthenclick Yes tocontinue 1 2 ...

Page 40: ...H27 5 7 12 You will see the status is earsing elash ROM at first and then downloading the new firmware Notice 13 Downloadcomplete ...

Page 41: ...wer cord and then enter the firmware upgrade mode again 4 Restart PC Laptop and try again 14 After upgrading the new firmware please reconnect the H27 power cord and press POWER button to turn on the H27 projector Press POWER MENU to enter the Engineering Mode Check the Firmware version and do Factory Reset Themessageshowsthefirmwareversion and its released date ...

Page 42: ...ptop EDIDFixture DVI toDVI Cable PowerAdapter RS 232 Cable Female to Female VGACable Power Cord DDCDriver H27Unit EDID Fixture P N 80 00001 001 DVI to DVI Cable P N 42 56108 201 RS 232 Cable F F P N 42 86603 001 VGA Cable P N 42 53001 051 Power Adapter P N 47 53402 004 ...

Page 43: ...y RS232 cable Step3 Connect P2 or P4 of the fixture with VGAin port of H27 cable Step4 Connect P3 of the fixture withDVI port ofDVI DVI cable Step5 Plug PowerAdapter to the fixture and connect the H27 Power Cord Notice Confirm JP3 is Close status EDID Mode P3 P2 P4 Power Adapter P1 COM1 VGA in port DVI port markedas Generic JP3 ...

Page 44: ...H27 6 3 6 3 DDC Key in Procedure Step 1 Execute EDID program Step 2 Check the Com port is COM1 then click the Model item and choose the sourcefile DREAMY_H27_EDID2_110m andthenopenit 1 2 ...

Page 45: ...H27 6 4 Step 3 Check the Model is DREAMY and the Product is OP3339 Step 4 Key in the SerialNumber into the blank space then click Write button 1 2 ...

Page 46: ...t to VGA message is shown on the screen then click OK button Notice RUN message will appear on the screen Step 6 Please connect toDVI message is shown on the screen then click OK button Notice RUN message will appear on the screen ...

Page 47: ...H27 6 6 Step 7 When the H27 EDIDprogram is finish the OK message will appear on the screen Step 8 FindRead function and choose Analog and Trans icon then click Read button 1 2 ...

Page 48: ...p 9 Check EDIDInformations will show the result and EDIDValues will show Analog Values then Message function will show OK message Step 10 Find Readfunctionandchoose Digital and Trans icon thenclick Read button 1 2 ...

Page 49: ...H27 6 8 Step 11 Check EDIDInformations will show the result and EDIDValues will show DigitalValues then Message function will show OK message Step 12 Click Exit buttontoclosetheEDIDprogram ...

Page 50: ...al 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 A BBB Y WW C D BEMOEEEE 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 O Optoma Product Code ex 82H H27 Y Last Number of the Year ex 2002 2 2003 3 Week of Year Panel Vendor Code Electrical Classification 1 110V 2 220V 0 Universal B BIOS Version E PCB Board Version M Mechanical Version ...

Page 51: ...H27 7 2 Appendix B 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 52: ...H27 7 3 Appendix C DLP Composer Lite Setup Procedure Step 1 Choose DLPComposer Lite v3 6 Setup program Step 2 Click Next button ...

Page 53: ...H27 7 4 Step 3 Reading the LicenseAgreement rules choose I accept and agree to be bound by all the termsandconditionsofthisLicenseAgreement icon thenclick Next button 1 2 3 ...

Page 54: ...H27 7 5 Step 4 Click Next button 1 2 Step 5 Choose All icon thenclick Next button ...

Page 55: ...H27 7 6 Step 6 Click Next button Step 7 1 Theprogramisexecuting Initializing status ...

Page 56: ...H27 7 7 Step 8 Click Finish button then click Yes button to restart your computer Step 7 2 If the screen is show the below message please choose Ignore button ...

Page 57: ... identify EDID program The new EDIDprogram will show Model button and the EDIDfixture will printed Generic on the IC The old EDIDprogram will not show Model button and the EDIDfixture will printed CMBDP11 M1 on the IC EDIDprogram EDIDfixture EDIDfixture IC IC ...

Page 58: ...n a m r o f e h T 3 t i n U t n e l 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 x i d n e p p A 7 B Are you satisfied with the H27 service manual C Do you have any ...