Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio DA-5620AX DA-5620_TROUBLE

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>> Download DA-5620_TROUBLE documenatation <<

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SECTION 2. AUDIO PART
     ELECTRICAL TROUBLESHOOTING GUDIE

1.        Turn power on.




                                NO
           Is power on?                    Check power supply circuit.




            YES




                                NO
      Does initial read work?                 Check laser circuit.




                                              Check focus circuit.




            YES                                   Check disc.



                                NO
          Does it play?                   Check tracking servo circuit.




            YES




                                NO
        Does it output audio?                Check audio circuit.




            YES




               OK


                                - 2-1 -
2. AUDIO 

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