Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio FFH-2000 F2000TROUB

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F2000TROUB


>> Download F2000TROUB documenatation <<

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                            TROUBLESHOOTING GUIDE

1. POWER PART

        Turn power on.

         YES
                                  NO                                 NO
 IC301 16, 46, 72, 90 input +5V            PN302 5.6V check?              PN302 Defective.

                                               YES
         YES
                                       IC703 Surrounding circuitry
  IC301 Pin 79 power output?
                                       defective.
        OFF ON         5V
                                  NO



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