Christie DS Series Service Manual
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Christie DS Series Service Manual

Multimedia lcd projector
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Service Manual
020-001586-01
DS Series
LWU900-DS, LHD878-DS, LWU755-DS

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Summary of Contents for Christie DS Series

  • Page 1 Service Manual 020-001586-01 DS Series LWU900-DS, LHD878-DS, LWU755-DS...

  • Page 2: Table Of Contents

    10. Adjustment ------------------------------------------------- 97 5. Troubleshooting ------------------------------------------ 10 11. Technical Information ----------------------------------108 6. Diagnosis --------------------------------------------------- 19 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT. Multimedia LCD Projector 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 3 Do not touch the fan motor while it is rotating. Do not touch the fan motors when you have turned on the projector with the UPPER CASE removed. It may injure you. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 4: Features

    This projector's network supports the PJLink™ standard. PJLink™ is a unified standard for operating and controlling data projectors. For specifications of PJLink™, see the web site of the PJLink™. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 5: Specifications

    ** The service mini USB port is hidden behind the rear panel (mini USB COVER). *** Wireless network function requires the optional USB wireless adapter. The communication speed (and standard) is restricted depending on circumstances like encryption, communication mode and so on. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 6 CAUTION ► Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 7: Names Of Each Part

    • Any button marked with *2 is not supported on this projector. (14) (15) (11) (13) (12) (10) • Each time you press any button (except ID buttons), the ID button of current selected ID number lights. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 8: Install/Maintenance

    Slide the battery in under the plastic claw, and push it into the holder until it clicks. 6. Replace the battery cover in place, then turn it in the direction indicated “CLOSE” using a coin. 90° LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 9 • The projector may display the message such as the “CHECK THE AIR FLOW” or turn off the projector, to prevent the internal heat level rising. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 10 Then, wipe lightly with a soft, dry cloth. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 11: Troubleshooting

    • There is no above failure of AUTO with video source through VIDEO port. The reason is recognition of input signal’s standard does not need to search the capture range from input signal itself. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 12 ALL is selected for REMOTE CONTROL in KEY LOCK. CONTROL PANEL was operated when ALL is selected for CONTROL PANEL in KEY LOCK. (continued on next page) LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 13 Lens unit is not installed. Blinking In Red 1 time Make sure that the lens unit is installed correctly, and turn on the projector again. (continued on next page) LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 14 The illuminance sensor is loose. Check the connection of each illuminance sensor Green according to the number of SERVICE blinks. 7: Light sensor R 9: Light sensor B LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 15 After you have cleaned or changed the air filter, reset the filter timer. The button operation is not available. Check the button you want to use. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 16 "LiveViewer" to use. Try again after one of session is The number of PC connection disconnected. (finish "LiveViewer" exceeds the limit (max. 50). application) (continued on next page) LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 17 It is recommended to refer the section “Troubleshooting” in the latest version of User’s Manual - Operating Guide, Network Guide and the User’s manual of "LiveViewer" from web site. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 18 Set IP address and Subnet Mask in the which the projector is NETWORK - WIRED SETUP menu. connected to? Make sure those settings of the projector and PC are correct. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 19 (within 100m) which using Passcode. use same wireless setting ? Remove the projector and PC from the place and try again. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 20: Diagnosis

    2) Wiring shown in this picture may differ from mass-products. Refer the chapter of “Wiring diagram” to check the proper wiring. 3) The component IV01 is located on the reverse side of MAIN PCB. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 21 Are there any problems with wiring of phosphor wheel temperature sensor and MAIN PCB? →If not replace Light source unit. Replace either of the following: Light source unit (PW failure) MAIN PCB Completed LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 22 Light source unit Assy Light source unit Assy POWER UNIT CIRCUIT(Main/Sub) POWER UNIT CIRCUIT(Main/Sub) LNS/PRSM Assy LNS/PRSM Assy Replace dichroic Assy. Replace dichroic Assy. Dichroic Assy Completed Completed LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 23 Replace FPC connector. The following parts may be failed. Replace them in turn, and check if the problem is solved. Projection lens Assy Dichroic Assy Light source unit Assy Completed LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 24 Re-connect after disconnecting other projectors. number to a PC within Check the section of Troubleshooting for other Network problems Update the LiveViewer to the latest version. about other problems. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 25 Audio signal from AUDIO OUT port has some problem. (Make sure the state of HDMI AUDIO, MUTE and Volume setting.) whether changing INPUT PCB can Replace MAIN PCB. fix the problem. Replace INPUT PCB. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 26 Replace MAIN PCB. LENS can fix the (7) and (8) of EM02 problem. on the MAIN PCB. Open Replace the LENS. Replace the LENS ADAPTER PCB. Replace the ADAPTER PCB. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 27 1. PC power supply OFF Replace INPUT PCB. 2. Connection of cable 3. Projector starting 4. PC starting * When not operating: PC set up change or cable change. LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...

  • Page 28: Internal System

    D3 105 FAN ASS’Y Fan 11 PHOSPHOR WHEEL FAN FAN 11 FAN 10 FAN 2 FAN 4 FAN 3 FAN 1 FAN 9 FAN 5 FAN 7 FAN 6 FAN 8 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 29 Blue SHIFT UNIT LENS MECHA Mirror Laser TEMP PWB (FPC) TEMP SENSOR POWER DC POWER SENS LD Tm SUPPLY_2 PWB RELAY Blue Laser POWER RELAY PWB Diode Blue 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS LIT MAN SERV DS Series Service Manual...
  • Page 30 LENS_ID3 EZ05 1 FOCUS+ MOTOR 10 LENS_ID2 10 N.C. FOCUS- LENS SHIFT UNIT 11 LENS_ID3 11 N.C. Ass'y N.C. LENS ASSEMBLY EM05 1 LENS-SW_1 2 LENS-SW_2 LENS SW 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 31 LWU900-DS / LHD878-DS / LWU755-DS 7-4 Disassembly diagram LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- 020-001586-01 R 1 (02-2021) Service Manual LIT MAN SERV DS Series LIT MAN SERV DS Series...
  • Page 32 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...

  • Page 33: Replacement Parts List

    Cover SUBIO ✔ (QD85344) (IO COVER ASS'Y D3C-WU70) 003-006753-01 Cover Filter Black ✔ ✔ ✔ (PH52571) (FILTER COVER D3) 003-006754-01 Cover Filter White ✔ (PH52572) (FILTER COVER ASS'Y D3) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 34 Cover Seamless ✔ ✔ ✔ (QD84781) (SEAMLESS COVER ASS'Y D3) 003-006763-01 Cover Seamless ✔ (QD84782) (SEAMLESS COVER D3) 003-006764-01 Cover Lens ✔ ✔ ✔ ✔ (PH52581) (LENS COVER D3) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 35 (POWER UNIT (CIRCUIT) A9) 003-006776-01 Power Unit Circuit ✔ ✔ ✔ ✔ (HA04061) (POWER UNIT (CIRCUIT) A9) 003-006778-01 PCB Main P.Relay ✔ ✔ ✔ ✔ (JT26221) (PWB ASS'Y MAIN P.RELAY D3) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 36 ✔ (JP92851) (PWB ASS'Y NTC-OUT D3) 003-006791-01 PCB NTC-In ✔ ✔ ✔ ✔ (JP92852) (PWB ASS'Y NTC-IN D3) 003-006399-01 Connecter CPC92 ✔ ✔ ✔ ✔ (EA06942R) (CONNECTOR CPC92) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 37 (INSTRUCTION MANUAL ASS'Y) 003-006795-01 Snap Tie ✔ ✔ ✔ ✔ (UX43681) (SNAP TIE ASS'Y D3) ✔: Applicable, -: Not applicable*1: Only for W/W model *2: Only for China model 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...

  • Page 38: Disassemble/Assemble

    Soldering iron with temperature control function (temperature range: 320-450˚C)  Recommended temperature range per part: Part Soldering iron temperature 320˚C±30˚C Mounting (chips) on mounted PCB 380˚C±30˚C Mounting (chips) on empty PCB 420˚C±30˚C Chassis, metallic shield, etc. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 39 You should not replace separately the parts of the LCD Prism Shift mech. assembly. In case of a failure in any parts of LCD Prism Shift mech. assembly, replace the whole unit. Do not disassemble the unit because replacement of separate parts is not possible. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 40 Blow the dust off from LCD panels and optical filters using an air duster. If you cannot remove the dust on LCD panels with an air blower, wipe the surface of LCD panels with a swab according the following procedure. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 41 2) Screw down the MAIN PCB, and re-connect all of the cables to it. 3) Clean the air filter by using a vacuum cleaner, and re-assemble the projector unit. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 42 LWU900-DS / LHD878-DS / LWU755-DS 9-5 Jig ATTENTION Be sure to use a holder jig at the time of disassembling and assembling. Jig Parts No.:NX38141 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 43 T3x8 Black T3x12 Silver M3x10 Silver M3x8-W Silver M3x8 Silver M3x12-W Silver M4x8-T Silver D-sub Silver T3x10-F Black M3x29-W Silver M3x6-W Silver T2.6x8 Black T3x16 Silver M3x10-W Silver 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 44 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 45 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 46 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 47 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 48 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 49 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 50 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 51 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 52 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 53 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 54 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 55 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 56 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 57 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 58 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 59 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 60 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 61 LWU900-DS / LHD878-DS / LWU755-DS WARNING Never disassemble the laser light source unit. Never remove the screws with silicone bond and the screws marked by red on laser light source unit. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 62 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 63 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 64 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 65 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 66 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 67 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 68 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 69 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
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  • Page 73 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
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  • Page 87 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 88 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 89 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 90 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 91 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 92 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 93 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 94 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 95 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 96 LWU900-DS / LHD878-DS / LWU755-DS 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
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  • Page 98: Adjustment

    ▲ and ▼ buttons, and select and enter with ► or adjusting the following item. ENTER button. ·color uniformity 5. Displaying the FACTORY MENU: Perform all adjustments from the FACTORY MENU. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 99 3. In the same way, use the cells G and B in turn to a horizontal line across the screen. adjust the each color flicker. V.COM bar V.COM Rxxx Gxxx Bxxx Wxxx 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 100 R and B color so that brightness is not required so that this adjustment work can and white balance of 33 steps is best. be done after Flicker adjustment. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 101 RESET button and select RESET in the dialog. ・ Reset COLOR UNIFORMITY in SETUP menu. ・ Complete the White balance adjustment. (continued on next page) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 102 No.2 to 5: ± 40 or less No.6 to 9: ± 50 or less No.10 to 13: ± 70 or less No.14 to 17: ± 120 or less (continued on next page) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 103 No.8 range of effect No.12 range of effect No.16 range of effect No.5 range of effect No.9 range of effect No.13 range of effect No.17 range of effect 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 104 SHIFT MECH and lens body L: Between the air-filter-side frame of LENS SHIFT MECH and lens body R: Between the ports-side frame of LENS SHIFT MECH and lens body 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 105 If any of them are out of the range, re-connect the panel flexible cables to the MAIN PCB. And then, go back to the step 6 to execute the A-GST again. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 106 When you select Calib and press the → button, another window is displayed as shown above. When you press the → button again and select OK, calibration starts. Calibration finishes in about 30 seconds after it started, and a cursor moves to END. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 107 • The adjustable range of LENS SHIFT varies depending on the lens unit mounted on the projector to maintain picture quality. Therefore, LENS SHIFT adjustment may not reach the end of the indicator in the dialog. This is not a failure. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 108 < CLEAR> Select CLEAR LENS MEMORY and press the ► or ENTER button.A message dialog is displayed for confirmation. Press the button again to clear the lens memory. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...

  • Page 109: Technical Information

    Adjusts settings of fan and light source suitable for the installation conditions of portrait projection.  BASIC FREQ. Switches the basic vertical frequency for the output image of this projector. 50Hz (PAL region) ←→ 60Hz (NTSC region) (continued on next page) 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 110 1 ..Current usage status 2 ..Usage status before first reset RUN TIME window 3 ..Usage status before second reset 9 ..Usage status before eighth reset 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 111 HR shifts the red image to the left/right. HB shifts the blue image to the left/right. VR shifts the red image upward/downward. VB shifts the blue image upward/downward. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 112 DATE AND TIME and other schedule settings are not initialized, but the network settings (DHCP, IP ADDRESS, SUBNET MASK and DEFAULT GATEWAY) are initialized. 8. If the network settings had been customized, restore them by manual operation. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 113 Life key is input will be set to 0 after the registered code is input. • The SECURITY menu cannot be operated if the SECURITY PASSWORD was released by Life key. 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 114 Inquiring Code PIN BOX (ID Inquiring Code) 2. Send CHRISTIE servicing provider the Inquiring code (10 digits) to inquire the correct PIN code. 3. While the PIN BOX is displayed, enter the correct PIN Code that CHRISTIE servicing provider informed.
  • Page 115 RI (9) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH cation RS-232C Communication (continued) Communication settings , the 1.
  • Page 116 LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) Command Control via the Network Command Control via the Network When the projector connects network, the projector can be controlled with RS- 232C commands from the computer with web browser.
  • Page 117 LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH twork Command Control via the Network (continued) Command control settings [TCP #23] 1.
  • Page 118 RS-232C LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) Network Bridge Communication Network Bridge Communication This projector is equipped with NETWORK BRIDGE function.
  • Page 119 LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH cation RS-232C Communication / Network command table RS-232C Communication / Network command table...
  • Page 120 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 121 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 122 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 123 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 124 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 125 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 126 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 127 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 128 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 129 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 130 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 131 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH nued) RS-232C Communication / Network command table (continued)
  • Page 132 020-001583-01 Rev. 1 (12-2018) (continued on next page) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH User's Manual - Technical LIT MAN USR DS Series TECH ued) RS-232C Communication / Network command table (continued)
  • Page 133 52 23 00 00 * Supported only for LWU900-DS/LHD878-DS LWU900-DS/LHD878-DS/LWU755-DS 020-001583-01 Rev. 1 (12-2018) (continued on next page) User's Manual - Technical LIT MAN USR DS Series TECH 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS Service Manual LIT MAN SERV DS Series...
  • Page 134 2125 REMOTE2 REMOTE-R PCB GND1 R080 E090 E080 501331-02V 501331-04V 1005 +15V R091 R092 100-1% Vsens R081 1005 NCP15XH103F03RC SENS 1005 1005 NCP15XH103F03RC NTC-IN PCB NTC-OUT PCB 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS 020- LIT MAN SERV DS Series Service Manual...
  • Page 135 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL POWER UNIT CIRCUIT 1 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS 020- LIT MAN SERV DS Series Service Manual...
  • Page 136 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL TRANS POWER UNIT CIRCUIT 2 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 137 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL POWER UNIT CIRCUIT 3 020-001586-01 Rev. 1 (02-2021) LWU900-DS/LHD878-DS/LWU755-DS 020- LIT MAN SERV DS Series Service Manual...
  • Page 138 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL POWER UNIT CIRCUIT 4 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 139 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL KEYPAD PCB LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 140 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL INPUT PCB 1 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 141 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL INPUT PCB 2 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 142 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 1 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 143 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 2 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 144 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 3 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 145 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 4 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 146 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 5 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 147 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 6 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 148 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 7 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 149 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 8 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 150 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 9 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 151 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 10 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 152 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 11 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 153 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 12 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 154 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 13 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 155 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 14 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 156 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 15 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 157 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 16 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 158 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 17 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 159 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 18 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 160 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 19 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 161 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 20 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 162 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 21 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 163 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 22 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 164 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL MAIN PCB 23 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 165 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 1 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 166 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 2 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 167 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 3 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 168 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 4 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 169 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 5 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 170 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 6 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 171 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 7 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 172 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL DRIVE PCB 8 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 173 LWU900-DS / LHD878-DS / LWU755-DS CONFIDENTIAL LED PCB AC RELAY PCB LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) 020- Service Manual LIT MAN SERV DS Series...
  • Page 174 DRIVE PCB 6 MAIN PCB 7 DRIVE PCB 7 MAIN PCB 8 DRIVE PCB 8 MAIN PCB 9 LED PCB MAIN PCB 10 AC RELAY PCB MAIN PCB 11 LWU900-DS/LHD878-DS/LWU755-DS 020-001586-01 Rev. 1 (02-2021) Service Manual LIT MAN SERV DS Series...
  • Page 175 Corporate offices Worldwide offices Christie Digital Systems USA, Inc. Africa Columbia Mexico United States (Arizona) ph: 714 236 8610 Ph: +52 55 4744 1790 ph: 602 943 5700 ph: +27 (0)11 510 0094 ph: +57 (318) 447 3179 Christie Digital Systems Canada Inc.

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