Service Manuals, User Guides, Schematic Diagrams or docs for : LG Beamer BD430 BD430AEU_SB-KL-EX-SI_1372313718

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BD430AEU_SB-KL-EX-SI_1372313718


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                 LCD Projector


Model BD430
      BD450
      BD460
      BD470




Service Manual
Contents
Contents ..........................................................2                           Audio Control............................................................ 30
                                                                                               Fan Control............................................................... 31
Safety Instructions ...........................................3
                                                                                               MCU Control............................................................. 32
   Safety ....................................................................... 3
                                                                                               Video Control ............................................................ 33
   CAUTION IN CARRYING OR TRANSPORTING THE
   PROJECTOR ........................................................... 3                     HDMI Control............................................................ 34
   Air Circulation ........................................................... 3            Troubleshooting ...............................................35
Specifications ..................................................4                             Indicators and projector conditions........................... 35
                                                                                               Main Board ............................................................... 36
Circuit Protections ...........................................5
                                                                                               No Image ................................................................. 37
   Thermal Switch......................................................... 5
                                                                                               No Sound ................................................................ 38
   Lamp Cover Switch .................................................. 5
                                                                                               IC1001 ...................................................................... 39
   Fuse ......................................................................... 5
                                                                                               IC1006 ...................................................................... 40
   Warning temperature and Power failure protection .. 6
Maintenance ....................................................7                           IC Block Diagrams ...........................................41
   Cleaning the filter ..................................................... 7              Schematic Dairgrams ......................................45
   Attaching the Lens Cap ............................................ 8
   Cleaning the lens...................................................... 8
   Cleaning the cabinet................................................. 8
   Replacing the lamp................................................... 9
   Check the lamp used time ........................................ 10
Security Notice ................................................11
STANDBY Mode ..............................................11
Mechanical disassembly..................................12
Service Part Location ......................................17
Service Part Photos .........................................18
Service Part No. ..............................................19
Electrical Adjustments .....................................20
   Adjustments after parts replaced.............................. 20
   Service adjustment menu operation ......................... 20
   Circuit adjustments ................................................... 20
   Warning log menu operation .................................... 21
   Main board test point ................................................ 25
Chassis Block Diagrams..................................26
   Chassis View ............................................................ 26
   System Control ......................................................... 27
   Lamp Control ............................................................ 28
   Power Supply and Protection Circuit ........................ 29




                                                                                      -2-
Safety Instructions
Safety                                                              CAUTION IN CARRYING OR TRANSPORTING
                                                                    THE PROJECTOR
                        Caution                                     



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