Service Manuals, User Guides, Schematic Diagrams or docs for : InFocus Monitor Infocus_X1_LCD_Projector_[SM]

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Infocus_X1_LCD_Projector_[SM]


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Service Guide for the

                        X1
Table of Contents

Table of Contents .......................................................................................................... 2
Safety Precautions ........................................................................................................ 3
Important Precautions .................................................................................................. 3
Important Safety Instructions ...................................................................................... 4
Parts Replacement ........................................................................................................ 5
      Removable Parts Hierarchy ..................................................................................................5
      Remove and Replace the Ballast/Power Supply ECA ..........................................................6
      Remove and Replace the Bottom EMI Shield.....................................................................10
      Remove and Replace the Chassis......................................................................................12
      Remove and Replace the Color Wheel Shield....................................................................17
      Remove and Replace the Controller ECA...........................................................................19
      Remove and Replace the Elevator .....................................................................................22
      Remove and Replace the Optical Engine ...........................................................................24
      Remove and Replace the Cooling Fans .............................................................................27
      Remove and Replace the Focus and Zoom Rings .............................................................30
      Remove and Replace the Front Bezel ................................................................................32
      Remove and Replace the I/O ECA .....................................................................................35
      Remove and Replace the Keypad ......................................................................................37
      Remove and Replace Lamp Module...................................................................................42
      Remove and Replace the Lamphouse................................................................................45
      Remove and Replace the Leveling Foot .............................................................................48
      Remove and Replace the Rear Bezel.................................................................................49
      Remove and Replace the Rubber Feet...............................................................................51
      Remove and Replace the Top Case ...................................................................................52
      Remove and Replace the Speaker .....................................................................................54
Functional Tests.......................................................................................................... 56
      Required equipment............................................................................................................56
      Before beginning .................................................................................................................57
      Perform the following tests..................................................................................................57
Troubleshooting .......................................................................................................... 60
      Power and Start-up Problems .............................................................................................61
      Image Problems ..................................................................................................................67
      Keypad Problems................................................................................................................71
      Remote Problems ...............................................................................................................72
      Audio Problems...................................................................................................................73
      Block Diagram.....................................................................................................................74
      Prepare for Power Up with Top Case Removed .................................................................80
      Check Controller Voltages ..................................................................................................81
      Check the Color Wheel and Reseat the Cable ...................................................................84
      Check the Thermal Switch ..................................................................................................86
      Check fan operation ............................................................................................................87
      Check Ballast/Power Supply Voltages and Signals ............................................................88
      Check I/O ECA Voltages and Signals .................................................................................90
Parts Lists.................................................................................................................... 93
      Parts Exploded View ...........................................................................................................93
      FRUs by alphabetic listing...................................................................................................94



X1 Service Guide                                              2
   SAFETY PRECAUTIONS
                                                      WARNING:       TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
                                                                     APPLIANCE TO RAIN OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE
                                                                     PRESENT INSIDETHE ENCLOSURE. DO NOT OPEN THE CABINET. REFER
                                                                     SERVICING TO QUALIRED PERSONNEL ONLY.

                                                      CAUTION:        Laser beam is emitted when the laser button of the remote control is pressed. Do not
                                                                     look from the front of the remote control. Do not face toward a person or to a mirror.

                                                      FCC Radio Frequency Interference Statement
                                                      Note:       This equipment has been tested and found to comply with the limits for a Class A
         The lightning flash with arrowhead                       digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
         symbol, within an equilateral triangle,                  provide reasonable protection against harmful interference when the equipment is
         is intended to alert the user to the                     operated in a commercial environment. This equipment generates, uses, and can
         presence of uninsulated "dangerous                       radiates radio frequency energy and, if not installed and used in accordance with the
         voltage" within the product's                            instruction manual, may cause harmful interference to radio communications.
         enclosure that may be of sufficient                      Operation of this equipment in a residential area is likely to cause harmful
         magnitude to constitute a risk of                        interference in which case the user will be required to correct the interference at his
         electric shock to persons.                               own expense.

         The exclamation point within an              WARNING:        Changes or modifications made to this equipment, not expressly approved by
         equilateral triangle is intended to                         Toshiba, or parties authorized by Toshiba, could void the user's authority to operate
         alert the user to the presence of                           the equipment.
         important operating and
         maintenance (servicing) instructions         Notice:        This Class A digital apparatus complies with Canadian ICES-003.
         in the literature accompanying the                          Cet appareil num



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