Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor LM928

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LM928


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                                                                            AOC LM928




         SERVICE MANUAL


                   19" LCD Monitor




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   THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT
HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE
ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR
CHANGES, ERRORS OR OMISSIONS.




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                                                                                                                           AOC LM928
                                                          Table of Content
Revision List.........................................................................................................................   3
1. Monitor Description...........................................................................................................        4
2. LCD Monitor Description.....................................................................................................          5
3. Operating Instructions........................................................................................................        6
  3.1 General Instructions.........................................................................................................      6
  3.2 Control Buttons...............................................................................................................     6
  3.3 Adjusting the Picture........................................................................................................      7
4. Input/Output Specification...................................................................................................         9
  4.1 Input Signal Connector.....................................................................................................        9




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  4.2 Factory Preset Display Modes............................................................................................           10




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  4.3 Power Supply Requirements.............................................................................................             11
  4.4 Panel Specification..........................................................................................................      11
     4.4.1 Display Characteristics................................................................................................       11
     4.4.2 Optical Characteristics................................................................................................       12




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     4.4.3 Parameter Guide Line For CCFL Inverter........................................................................                13
5. Block Diagram...................................................................................................................      14
  5.1 Monitor Exploded View.....................................................................................................         14
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  5.2 Software Flow Chart.........................................................................................................       15
  5.3 Electrical Block Diagram...................................................................................................        17
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     5.3.1 Main Board...............................................................................................................     17
     5.3.2 Inverter/Power Board..................................................................................................        18
6. Schematic.........................................................................................................................    19
  6.1 Main Board....................................................................................................................     19
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  6.2 Adapter Board................................................................................................................      25
  6.3 Inverter Board................................................................................................................     26
7. PCB Layout......................................................................................................................      28
  7.1 Main Board....................................................................................................................     28
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  7.2 Adapter Board................................................................................................................      29
  7.3 Inverter Board...............................................................................................................      30
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  7.4 Key Board...................................................................................................................       30
8. Maintainability...................................................................................................................    31
  8.1 Equipments and Tools Requirement....................................................................................               31
  8.2 Trouble Shooting.............................................................................................................      32
     8.2.1 Main Board...............................................................................................................     32
     8.2.2 Inverter/Power Board..................................................................................................        35
     8.2.3 Keypad Board...........................................................................................................       36
9. White-Balance, Luminance adjustment...............................................................................                    37
10. EDID Content...................................................................................................................      38
11. BOM List........................................................................................................................     39


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                                                                 AOC LM928

                                REVISION LIST
Revision     Date        Revision History          TPV Model
  A00      Nov-25-05    First Version Release    T980KA2HLLMKN




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                                                                                       AOC LM928
1. MONITOR SPECIFICATIONS
                           Driving system                              TFT Color LCD

                                Size                                   48.0cm(19.0")

      LCD Panel              Pixel pitch                      0.294mm( H )x 0.294mm( V )

                          Viewable angle                           140



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