Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor LM929

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LM929


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                                                                               AOC LM929




        SERVICE MANUAL

                19" LCD MONITOR




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                                  LM929

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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 RE LIABILITY FOR
CHANGES, ERRORS OR OMISSIONS.




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                                                                                                                               AOC LM929
                                                          Table of Content
Revision List.........................................................................................................................   4
1. Monitor Specifications........................................................................................................        4
2. LCD Monitor Description.....................................................................................................          5
3. Operating Instructions........................................................................................................        6
  3.1 General Instructions.........................................................................................................      6
  3.2 Front Panel Control.........................................................................................................       6
  3.3 Adjusting the Picture........................................................................................................      7
4. Input/Output Specification...................................................................................................         9
  4.1 Input Signal Connector.....................................................................................................        9
  4.2 Power Supply Requirements.............................................................................................             10




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  4.3 Factory Preset Display Modes............................................................................................           11




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  4.4 Panel Specification..........................................................................................................      12
     4.4.1 General Features......................................................................................................        12
     4.4.2 Display Characteristics...............................................................................................        12
     4.4.3 Optical Characteristics................................................................................................       12




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     4.4.4 Electrical Characteristics.............................................................................................       13
5. Block Diagram...................................................................................................................      14
  5.1 Monitor Exploded View.....................................................................................................         14
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  5.2 Software Flowing Chart....................................................................................................         15
  5.3 Electrical Block Diagram...................................................................................................        17
     5.3.1 Main Board...............................................................................................................     17
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     5.3.2 Inverter/Power Board..................................................................................................        18
6. Schematic.........................................................................................................................    19
  6.1 Main Board....................................................................................................................     19
  6.2 Power Board..................................................................................................................      26
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  6.3 Audio Board..................................................................................................................      28
7. PCB Layout......................................................................................................................      29
  7.1 Main Board....................................................................................................................     29
  7.2 Power Board..................................................................................................................      30
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  7.3 Audio Board...................................................................................................................     31
  7.4 Key Board.....................................................................................................................     31
  7.5 CNPC Board..................................................................................................................       31
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8. Maintainability...................................................................................................................    32
  8.1 Equipments and Tools Requirement....................................................................................               32
  8.2 Trouble Shooting.............................................................................................................      33
     8.2.1 Main Board...............................................................................................................     33
     8.2.2 Power /Inverter Board.................................................................................................        36
     8.2.3 Keypad Board...........................................................................................................       38
9. White-Balance, Luminance Adjustment.................................................................................                  39
10. EDID Content...................................................................................................................      41
11. BOM LIST........................................................................................................................     42




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                                                            AOC LM929

                       Revision List
Version     Date      Revision History     TPV Model Name
 A00      Feb-15-06    Initial Release     T980KAQDBCAOW




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                                                                                        AOC LM929
1. Monitor Specifications
               Items                                       Description

                         Driving system                     TFT Color LCD

                         Type                               M190EN02

                         Size                               48.0cm(19.0")
   LCD Panel
                         Pixel pitch                        0.294mm (H) x 0.294mm (V)

                         Viewable angle                     170(H) 170(V)

                         Response time                      25 ms




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                         Sync. Type                         H/V TTL

                                                            15Pin Analog
                         Input Signal
   Input                                                    24Pin Digital




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                         H-Frequency                        30kHz 



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