Service Manuals, User Guides, Schematic Diagrams or docs for : LG Car Audio tcc-8010 adjustments

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adjustments


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 4. ADJUSTMENTS
1. Test & Adjustment point

                                                                         B
                                                                         A




                                                                         C

                                                                        T101

                                                                         D


                                                                        VR301

                                                                         E




                               Figure 1. MAIN PCB Board



                         L204 L254   T201   T202          T256   T206




          L255

          L205




                                Figure 2. RF PCB Board




                                         -6-
2. FM Adjustment

                                                 Power Supply                                 PRE OUT


   Stereo modulator                                     GND
                                                       (Black Lead)
                                                     (Red Lead)
                                                       (Yellow Lead)                                                           VTVM            SCOPE
                            SSG
                             EXT
                                                                            Unit      ANT
                             MODE
                                                                                      Jack.                                   IN OUT
                                 OUT

     AUDIO OSC




                                                                         Figure 3.

 (1) The impedance of FM antenna terminal is 75
     Therefore, connect coaxial cable (3C-2V etc.) between FM SG and antenna terminal when wiring.

                               Item               FM SSG Attenuator                              Available                         Antenna
          Type                                        Indication                                Power Ratio                    Terminal Voltage
          Open indication type                              0dB                                     5.2dBf                            6dB/



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