Optoma HD2+ DC3 Service Manual
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Optoma HD2+ DC3 Service Manual

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菱
Chi Lin Optronics Corp.
Doc. No
CS-72601
Title
Version
A3
CHT-726 Level 1 Service Manual
Page
1 / 75

Service Manual

For
HD2+ DC3 DLP Front Projector
Copyright©2004 Chilin Optronics Corp. All rights reserved.

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Summary of Contents for Optoma HD2+ DC3

  • Page 1: Service Manual

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 1 / 75 Service Manual HD2+ DC3 DLP Front Projector Copyright©2004 Chilin Optronics Corp. All rights reserved.
  • Page 2 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 2 / 75...
  • Page 3 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 3 / 75 Service Safety Notes Please read the Service Safety Notes before any service work is performed. Service work should be performed by qualified service technicians who are familiar with safety check and the DLP front projector, and take related service training before servicing.

  • Page 4: Table Of Contents

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 4 / 75 Contents Purpose.......................... 5 Definition of service level..................... 5 Specification........................5 Structure of the Product....................6 I/O Interface ......................6 Exploded View (attached as Appendix II) ............. 7 Detail description of parts shown in 4.2 Product exploded View......

  • Page 5: Purpose

    “Level 3 service” is defined as service on the optical engine, but fans and lamp replacement. The service work on the optical engine should be performed in clear room. Specification Please refer to CLO released HD2+ DC3 DLP Front Projector Approval Sheet.

  • Page 6: Structure Of The Product

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 6 / 75 Structure of the Product I/O Interface Input 4 Input 3 Input 1 Input 2 DVI/ PC Video/S-Video Component 1 Component 2 Rear IR Sensor RS232 Terminal AC Socket...

  • Page 7: Exploded View (Attached As

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 7 / 75 Exploded View (attached as Appendix II)

  • Page 8: Detail Description Of Parts Shown In 4.2 Product Exploded View

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 8 / 75 Detail description of parts shown in 4.2 Product exploded View ITEM PART NAME ITEM PART NAME P07260 TOP COVER SET(SILVER) SCREW PH M3-0.5*5 C2 30-12 P05760 BOTTOM COVER(SILVER) SCREW PH+EXW M4-0.7*6 C2...

  • Page 9: Composition Of Level 1 Modules (Parts)

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 9 / 75 Composition of Level 1 Modules (Parts) Level 1 service means to replace all mechanical parts (cover, base, screw and label so on),electronic modules (also include the cable which connects two modules) listed below on this page and next page.
  • Page 10 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 10 / 75 Electronic Parts: Keypad Lamp Video Module Control Board Ballast Connection Board IO Board Thermal Sensor Power Module...

  • Page 11: Troubleshooting

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 11 / 75 Troubleshooting You use the Troubleshooting section to diagnose problems with projector. You can refer to a variety of symptoms for troubleshooting. Each symptom leads you trough a series of steps that will ultimately result in a solution.
  • Page 12 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 12 / 75 formatter board from the power module to Video The connect board deficient module, power on projector, if the The video module malfunctions color wheel spin normally, it means The formatter board fails.
  • Page 13 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 13 / 75 White verticals on the The connect board malfunction Replace connect board image DMD malfunctions Contact CLO for level 3 service Incorrect image The connect board does not Reconnect the connect board connect well...

  • Page 14: Block Diagram

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 14 / 75 5.2 Block Diagram...

  • Page 15: Service Mode

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 15 / 75 Service Mode The Service Mode is released for authorized distributor and technician only. It provides Test Patterns, Adjust CW, CW Index, VGA Auto Calibration, MST9888 Component YPbPr, AD9882 VGA RGB, SAA7118, DLP RGB Gain Offset, and firmware version information for the Video board, the formatter board, and the control board.

  • Page 16: Test Patterns

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 16 / 75 Test Patterns: Test Patterns provides several patterns for checking the DMD chip, back focal length, ANSI contrast, and scaler. 6.2.1 DLP Test Patterns DLP Test Patterns contains 10 test patterns in order to check blemish, dark pixel, bright pixel, unstable pixel, adjacent pixels, and border defects.
  • Page 17 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 17 / 75 specific gray level, based on a standard 0-255 RGB scale: Major Light Blemish Test Blue Value Red Value Green Value White test screen This pattern is used to test Minor Dark Blemishes.
  • Page 18 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 18 / 75 H/V Grid test screen This pattern is used to test projection lens performance. It is CLO internal checking pattern for production. It is nothing to go with DMD Checking. H/V Grid test screen Blue Value Red Value...
  • Page 19 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 19 / 75 Blue gray scale test screen Blue Value Start R0-G0-B0, End R0-G0-B255 Red Value Green Value ACCEPTANCE REQUIREMENTS 1. Conditions of Acceptance All DMD image quality returns will be evaluated using the following projected image test conditions: a.
  • Page 20 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 20 / 75 j. White Peaking mode (SLR, spoke light recapture) must be turned off. k. Refer to Table 1 for acceptance criteria, in the specified order: 2.

  • Page 21: Lens Checkerboard

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 21 / 75 6.2.2 Lens Checkerboard Lens Checkerboard pattern is for checking the back focal length. In normal situation, the every black pixel in white square or white pixel in black square should be clear; otherwise projector should be returned to CLO for adjustment.

  • Page 22: Scaler Test Patterns

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 22 / 75 6.2.4 Scaler Test Patterns Scaler test patterns provide gray, red, green, and blue patterns for technician to check the color level setting.

  • Page 23: Adjust Cw

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 23 / 75 Vertical Bars When test patterns is set to “Vertical Bars”, projector displays 64 step bar in gray, red, green and blue for people to check if the color level clear and no any color blooming.

  • Page 24: Vga Auto Calibration

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 24 / 75 VGA Auto Calibration VGA Auto Calibration is a function for technician to perform ADC calibration on the video board. Please refer to chapter 8.7 “ Procedure of the video module adjustment” for more information. MST 9888 Comp YPbPr A function for people adjusts the parameter on Gain and Offset of YPbPr on MST 9888 chip when the video Board is replaced.

  • Page 25: Saa 7118

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 25 / 75 SAA 7118 SAA 7118 is a function to adjust the brightness, contrast, saturation and tint on S-Video, Composite, and Component input. DLP RGB Gain Offset DLP RGB Gain Offset is allowed people to adjust the optimal gain and offset setting.

  • Page 26: Firmware Updade

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 26 / 75 Firmware Updade Firmware update is made for the need to improve performance and functionality. If you are experiencing stability, reliability or image quality issues on your CLO projectors, the firmware update might be an option of the solutions.
  • Page 27 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 27 / 75 Step 4. Check COM Port (RS232) and set the “Baud Rate” to 115200. Step 5. Click “Flash” bottom to load firmware to Video Board. Step 6.

  • Page 28: Replacement Procedure (Disassembly & Assembly)

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 28 / 75 Replacement Procedure (Disassembly & Assembly) Replace The Lamp module The temperature of the lamp, ventilation slots and objects next to them may be extremely high during Before replacing the lamp module, please wait till operation.

  • Page 29: Resetting Lamp Timer

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 29 / 75 Pull out the failed lamp The lamp module. Replace a good lamp module in and secure screws on. Place lamp door on, press all clips of the lamp door into the top and the bottom cabinet and secure 2 screws.
  • Page 30 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 30 / 75...

  • Page 31: Replace Cooling Fans

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 31 / 75 Replace Cooling Fans Loosen 2 screws from the Lamp Door. Electric screw driver torque set for 11 lbs. Take off the lamp door from the projector. Turn over the projector and loosen the screw by the I/O port.
  • Page 32 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 32 / 75 Turn over the projector, take off the top cabinet, and disconnect the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting controller board and keypad.

  • Page 33: Replace The Front Axial Fan

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 33 / 75 8.2.1 Replace The Front Axial Fan Take step 1-7 from page 29 to 30 to dismantle the top cabinet. Electric screw driver torque set for 6.6 lbs. The Front Axial Fan Disconnect the 3-pin cables from the red connector on the control board.
  • Page 34 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 34 / 75 Loosen 1 screw to disassemble the duct. 10. Electric screw driver torque set for 6.6 lbs. 11. Remove the 4 fan Rubbers from the failed fan. Replace the failed fan with a good one.
  • Page 35 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 35 / 75 14. Reconnect the cables which connect to keypad on top cabinet. And place the top cabinet on. Note: The two wires should be pull backward to the electronic parts.

  • Page 36: Replace The Rear Axial Fan

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 36 / 75 8.2.2 Replace The Rear Axial Fan Take step 1-7 from page 29 to 30 dismantle the top cabinet. The Rear Axial Fan Remove the 3-pin cable from the clips.
  • Page 37 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 37 / 75 Loosen 4 screws to pull up the rear axial fan from the duct shielding, and replace the failed rear Axial fan. Note: The wire should go thru the opening of the duct.
  • Page 38 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 38 / 75 15. Reconnect the cables which connect to keypad on top cabinet. And place the top cabinet on. Note: The two wires should be pull backward to the electronic parts.

  • Page 39: Replace The Blower Fan

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 39 / 75 8.2.3 Replace The Blower Fan Take step 1-7 from page 29 to 30 to dismantle the top cabinet. Loosen 2 screws securing the control board. Pulling up the control board and disconnecting the wire from the blue connector.
  • Page 40 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 40 / 75 Loosen 1 screw from the lamp housing for unpluging the power cord connecting the lamp housing and the ballast. Electric screw driver torque set for 11 lbs. Unplug the two ropes from the thermostat.
  • Page 41 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 41 / 75 12. Loosen 1 screw from the shielding net. And take off the shielding net. 13. Disconnect the cable from the formatter board. 14.
  • Page 42 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 42 / 75 16. Take the optical engine out from the bottom cabinet. 17. The Optical Engine The duct The blower fan 18. The Optical Engine The Thermal Sensor 19.
  • Page 43 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 43 / 75 21. Loosen 2 screws to take away failed blower fan. Place the good blower fan on and secure it. 22. Electric screw driver torque set for 11 lbs. 23.
  • Page 44 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 44 / 75 26. Place the shielding net back and secure it. 27. Electric screw driver torque set for 11 lbs. 28. Reconnect the 5-pin cable to the formatter board.
  • Page 45 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 45 / 75 31. Reconnect the 2 wires to the thermostat. 32. Place the connection board back to the connector on video board, and secure the connection board and shielding it by EMI shielding 33.
  • Page 46 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 46 / 75 36. Connect cable to the control board. Place the control board back and secure it. 37. Electric screw driver torque set for 6.6 lbs. 38.
  • Page 47 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 47 / 75 43. Turn over the projector. Place the lamp door on and secure it. 44. Electric screw driver torque set for 11 lbs.

  • Page 48: Replace The Keypad

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 48 / 75 Replace The Keypad Loosen 2 screws from the Lamp Door. Electric screw driver torque set for 11 lbs. Take off the lamp door from the projector. Turn over the projector and loosen the screw by the I/O port.
  • Page 49 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 49 / 75 Turn over the projector, take off the top cabinet, and disconnect the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting controller board and keypad.
  • Page 50 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 50 / 75 15. Turn over the projector and secure 9 screws on the bottom cabinet. 16. Electric screw driver torque set for 11 lbs. 17.

  • Page 51: Replace The Control Board

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 51 / 75 Replace The Control Board Loosen 2 screws from the Lamp Door. Electric screw driver torque set for 11 lbs. Take off the lamp door from the projector. Electric screw driver torque set for 11 lbs.
  • Page 52 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 52 / 75 Turn over the projector, take off the top cabinet, and disconnect the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting controller board and keypad.
  • Page 53 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 53 / 75 16. Reconnect the cables which connect to keypad on top cabinet. And place the top cabinet on. Note: The two wires should be pull backward to the electronic parts.

  • Page 54: Replace The Connection Board

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 54 / 75 Replace The Connection Board Loosen 2 screws from the lamp Door. Electric screw driver torque set for 11 lbs. Take off the lamp door from the projector. Electric screw driver torque set for 11 lbs.
  • Page 55 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 55 / 75 Turn over the projector, take off the top cabinet, and disconnect the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting controller board and keypad.
  • Page 56 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 56 / 75 15. Reconnect the cables which connect to keypad on top cabinet. And place the top cabinet on. Note: The two wires should be pull backward to the electronic parts.

  • Page 57: Replace The Video Module, The I/O Board, The Ballast, The Thermal Sensor, And The Power Module

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 57 / 75 Replace The Video Module, The I/O Board, The Ballast, The Thermal Sensor, and The Power Module This section will show the disassembly and assembly of the electronic system step by step. The electronic part includes the keypad, the control board, the connection board, the video module, the I/O board, the ballast, the thermal sensors and the power module.
  • Page 58 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 58 / 75 Loosen 8 screws from the bottom cabinet. Electric screw driver torque set for 11 lbs. Turn over the projector, take off the top cabinet, and disconnect the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting controller board and keypad.
  • Page 59 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 59 / 75 14. Remove the front lamp door lock and the front axial fan from the bottom cabinet by loosening 4 screws (2 for the lamp door front lock and 2 for the axial fan) 15.
  • Page 60 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 60 / 75 20. Disconnect the white switch connecting the lamp housing and the power module. 21. Disconnect the 5-pin cable from the formatter module.
  • Page 61 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 61 / 75 24. Remove the tapes which tape the 10-pin cable which connects the video board and the keypad and the 6-pin cable connecting the control board and keypad.
  • Page 62 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 62 / 75 29. Unplug the cables from the video module. 30. Loosen 4 screws and take off the video module. 31. Electric screw driver torque set for 11 lbs. 32.
  • Page 63 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 63 / 75 35. Loosen 4 screws to take off the shielding from the power module. 36. Electric screw driver torque set for 6.6 lbs. 37.
  • Page 64 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 64 / 75 42. The I/O board. (If the RS232 controller board or the rear IR sensor is failed, replace the failed I/O board with a good one and go to step 33 on page 63) 43.
  • Page 65 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 65 / 75 49. Replace the failed power module and secure it. Note: The grounding cable should be secured on the power module. 50. Electric screw driver torque set for 11 lbs. 51.
  • Page 66 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 66 / 75 56. Secure the rear axial fan to the bottom cabinet. 57. Electric screw driver torque set for 6.6 lbs. 58. Place and secure the video module onto the shielding.
  • Page 67 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 67 / 75 63. Place the Optical Engine back to the bottom cabinet 64. Secure the optical engine back to the bottom cabinet. 65. Electric screw driver torque set for 11 lbs. 66.
  • Page 68 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 68 / 75 69. Reconnect the white connector. 70. Reconnect the 2 wires to the thermostat. 71. Connect the power cord back to the lamp housing and secure the screw on.
  • Page 69 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 69 / 75 73. Plug the cable from the power module into the connector on the formatter module 74. Secure the front axial fan and the lamp door front lock on the bottom cabinet.
  • Page 70 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 70 / 75 80. Test the projector. If the projector could not function well, go back to step 5 on page 57 to disassemble the unit. 81.

  • Page 71: Procedures For The Video Module Adjustment

    菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 71 / 75 Procedures for the video module adjustment Before replacing and testing the video module, you need to have the following equipments and software.
  • Page 72 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 72 / 75 2. Enter Service mode by pressing and “MENU” Select “VGA Auto Calibration” then press 4. “Ready for Black Calibration, Press Menu Select to Continue”...
  • Page 73 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 73 / 75 6. “Calibration Complete, Press Escape to Exit”, press “EXIT” to leave VGA Auto Calibration. 7. Feed in 64 step RGBW pattern. If 64 step RGBW bars display clearly and no any color blooming, this adjustment is done successfully.
  • Page 74 菱 Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 74 / 75 9. Adjust the Gain and Offset of RGB manually. Feed in 64 step RGBW pattern thru. Component port. If 64 step RGBW pattern displays Step 7: unclearly and has any color blooming, then enter MST 9888 Comp YPbPr and manually adjust the Gain and Offset of RGB color for making the pattern display clearly and no color blooming.

  • Page 75: Appendix I : Spare Parts List For Cht 726

    Chi Lin Optronics Corp. Doc. No CS-72601 Title Version CHT-726 Level 1 Service Manual Page 75 / 75 Appendix I: Spare Parts List for P07260 Optoma Item Part No. Description Main Parts 526-900051-001 CS P05760 Power Module 526-900055-001 CS P05760 Keypad Module...

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