Service Manuals, User Guides, Schematic Diagrams or docs for : AOC Monitor LM540

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LM540


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                                                                            AOC LM540




         SERVICE MANUAL


                                         15" LCD Monitor
                                                 LM540




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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.


                                                     MANUFACTURE DATE: Sep-15-2005




                                      Page 1 of 51
                                                           AOC LM540



REVISION     DATE                       MODIFIACTION

  A00      Sep-15-2005                   Initial release




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                         Page 2 of 51
                                                                                                                                                                                            AOC LM540


                                                                             TABLE OF CONTENTS
Revision List                          ---------------------------------------------------------------------------------- 02
Table of Contents ---------------------------------------------------------------------------------------- 03
1. Monitor Specifications --------------------------------------------------------------------------------04
2.LCD Monitor Description                                          -----------------------------------------------------------------------05
3.Operation Instructions                                       --------------------------------------------------------------------------06
    3.1 General Instructions                                        -----------------------------------------------------------------------06
    3.2 Control Button                                 ------------------------------------------------------------------------------06
    3.3 Adjusting The Picture                                        ---------------------------------------------------------------------0708
4 . I n p u t / O u t p u t Sp e c i f i c a t i o n                      ------------------------------------------------------------------- 09
    4.1 Input Signal Connector                                              -------------------------------------------------------------------09




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    4.2 Factory Preset Display Modes                                                         ----------------------------------------------------------10
    4.3 Power Supply Requirements                                                        ------------------------------------------------------------10




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5 . P a n e l Sp e c i f i c a t i o n - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11
    5.1 General Feature                                    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11
    5.2 Optical Characteristics                                           --------------------------------------------------------------------12
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6. Block Diagram                               -----------------------------------------------------------------------------------13
    6.1 Software Flow C hart                                    -----------------------------------------------------------------------131 4
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    6.2 Electrical Block Diagram                                            -----------------------------------------------------------------15 16
7. Schematic                       -----------------------------------------------------------------------------------------17
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    7.1 Main Board                             ---------------------------------------------------------------------------------1721
    7.2 Power Board                                       -------------------------------------------------------------------------2223
8. PCB Layout                          ---------------------------------------------------------------------------------------24
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    8.1 Main Board                              ----------------------------------------------------------------------------------24
    8.2 Power Board                              --------------------------------------------------------------------------------25
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    8.3 KEY Board                              ------------------------------------------------------------------------------ 25
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9 . M a i n ta i n a b i l i t y               -----------------------------------------------------------------------------------26
    9 . 1 E q u i p m e n t s a n d To o l s R e q u i r e m e n t s                                          -------------------------------------------------26
    9.2 Trouble Shooting                                  ---------------------------------------------------------------------------27 32
10. White-Balance, Luminance Adjustment                                                                         ----------------------------------------------- 33
11. Check List after replacing LCD Main board----------------------------------------------- 34 36
12. EDID Content                                         ---------------------------------------------------------------37
13. BOM List                          ----------------------------------------------------------------------------------3851




                                                                                             Page 3 of 51
                                                                                             AOC LM540

1. MONITOR SPECIFICATIONS
                          Driving system                 TFT LCD

                          Size                           38cm(15.0")

                          Type                           HSD150SX84-CHSD

                          Pixel pitch                    0.297mm(H) x 0.297mm(V)

                          Viewing angle                  130(H) 100(V) (R>10)
        LCD Panel
                          Luminance                      250cd/ m2

                          Contrast Ratio                 400:1

                          Response time                  35ms (typ)

                          Display colors                 6-bits driver




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                          R G B Analog                   0.7Vp-p

                          H/V separate                   TTL level




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                          H/V composite                  TTL level
       Input signals
                          Horizontal frequency           30kHz



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