Service Manuals, User Guides, Schematic Diagrams or docs for : LG TV RT-29FA30PX 007CTR

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                               TROUBLESHOOTING GUIDE




                                                   C804




              pin4                                       F(P)801, SW(P)801, T1111,
                                                            T801, R802, DB801.
                                          18V




   T802, R809, D802.




                                                                                                        3V



                                   Q05, IC851, IC802(3), IC856.                            pin 32 of IC01.

                                                                                    3.3V                           0V

                                                   ICP(V)01.
                                                                              IC01, FR403, FR413,            IC852(3), IC854(5), FR406,
                                                                               D405, D406, IC301,               D408, D858, Q856.
                                                                                    ICP(V)01.


                                                                  ICP(V)01.
                                                   33V



F854, D861, R405.

                                                                               (OPTION)



                    D850, L853, T402.                          Q401, Q402, T401.
                                         ICP(V)01.




                   37~39    ICP(V)01.            12




       ICP(V)01.                CPT PCB ASSY.            ICP(V)01, Q124




FR403, FR413, D405, D406.                   ICP(V)01.




                            ICP(V)01.                IC301, D301.
         '

                          9




   F854, D861, R104, ZD101.                     7




                         12                                              L102




                                                          ICP(V)01




                                                    15
                        IC01                                          ICP(V)01, Q124.




     Check/Replace IC01, IC02.
         Check I2C BUS.




  NO PIP




                                 Is there video signal at
             No                     pin 13 of ICP101?
Check/Replace ICP101.                        Yes
   Check I2C Bus.
                                 Is there video signal at     Yes
             No                     pin 28 of ICP102?

    Check CP131.

                               Abnormal                  Check pins15~18
                                                           of ICP102.
              Check/Replace ICP102.
                 Check I2C BUS.
                                                                Normal
                               Abnormal                  Check pins45~48
                                                            of ICP01.

        Check RP108, 109, 110, 112, 114,                        Normal
                 CP17~19.
                                                         Check/Replace
                                                            ICP01.
                           pin 10 of IC601(SOUND AMP).




              F851, FB853, D850.                          ICN01.

                                                                   * AM Sound(for FRENCH)



                   8    IC601.
                                                             ICN01.

         0V                               5V
                                                                                Check the Waveform
                                                                                 at pin 44 of ICN01.
IC601, QN01~02, P605(6)A.           Q601, IC01.

                                                                    NORMAL                             NO
                                                                      Check/Replace         Check the voltage
                                                                       XN01, ICN01.         at pin 3 of IC101.


          XN01, ICN01.


                                                                                                  Z102, Z103, IC101.


                                           Z102, IC101.




                                        ICN01.




                  ICN01.                          1, 3    ICN02.




                                   P605(6)A,                        ICN02.
                          ICP(V)01.




 ICP(V)01.                                   IC302.




               FR402, D404, IC302.                    R408.




                                Q302, Q303.              D401, D402, C405.




     '

                           P901.




ICP(V)01, QP(V)04~06.       Q2902~2910, VM COIL.




               at pin 44 of ICP(V)01.

                                        3V


      P502A.                   at pin 12 of IC01.




             QP(QV)02, ICP(V)01.        at pin 41~43 of ICP(V)01.




                                                              ICP(V)01.

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