Service Manuals, User Guides, Schematic Diagrams or docs for : IBM Monitor IBM_L170_[SM]

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                                                              IBM L170   Service Manual




        SERVICE MANUAL


               17" LCD Monitor

                         IBM L170




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.


                                       1
                                                                              IBM L170   Service Manual
                                     Table of Contents



  Table of Contents        -----------------------------------------------------------------2
1. MONITOR SPECIFICATIONS ----------------------------------------------------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                 --------------------------------------------------6
4. Input/Outpt Specification --------------------------------------------------------8
4.1 Input Signal Connector --------------------------------------------------------8
4.1.1 Analog D-SUB Connector ----------------------------------------------------8
4.2 Factory Preset Display Modes -----------------------------------------------8
4.3 Power Supply Requirements                ----------------------------------------------10
4.3.1 Input Requirements ----------------------------------------------------------10
4.3.2 Output Requirements -------------------------------------------------------10
4.4 PANEL SPECIFICATION (Samsung ) -------------------------------------11
4.4.1 Panel Feature        ----------------------------------------------------------------11
4.4.2 Display Characteristics            --------------------------------------------------11
4.4.3 Optical Characteristics -----------------------------------------------------11
4.4.4 Parameter guide line for CCFL Inverter ------------------------------12
5. Block Diagram --------------------------------------------------------------------13
5.1 Monitor Exploded View ------------------------------------------------------13
5.2 Software Flow Chart -----------------------------------------------------------14
5.3 Electrical Block Diagram -----------------------------------------------------16
5.3.1 Main Board       --------------------------------------------------------------------16
5.3.2 Inverter/Power Board ------------------------------------------------------17
6. Schematic       ------------------------------------------------------------------------19
                                                2
                                                                            IBM L170   Service Manual



6.1 Main Board ----------------------------------------------------------------------19
6.2 Inverter/Power Board --------------------------------------------------------22
6.3 KeyPad Board -----------------------------------------------------------------24
7. PCB Layout -----------------------------------------------------------------------25
7.1 Main Board ---------------------------------------------------------------------25
7.2 Inverter/Power Board --------------------------------------------------------27
7.3 Keypad Board ------------------------------------------------------------------28
8. Maintainability --------------------------------------------------------------------28
8.1 Equirements and Tools Requirements ---------------------------------28
8.2 Trouble Shooting --------------------------------------------------------------29
8.2.1 Main Board --------------------------------------------------------------------29
8.2.2 Power/Inverter Board ------------------------------------------------------32
8.2.3 Key Pad Board ---------------------------------------------------------------34
9. White-Balance, Luminance adjustment --------------------------------35
10. EDIT Content ------------------------------------------------------------------36
11. BOM List --------------------------------------------------------------------------37




                                                3
                                                                                IBM L170   Service Manual



1. MONITOR SPECIFICATIONS
                      Driving system             TFT Color LCD
LCD Panel              Size                      43.2cm(17.0")
                      Pixel pitch                0.264mm( H )x 0.264mm( V )
                      Viewable angle             140

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