Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio FR-X1 FRX1ADJST

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ADJUSTMENTS




   c   mm
                    AM SECTION                       -   -     -       -   -
   I
            NOTE
   I        SET THE S. S. G. to 1 kHz, 30% modulation

   I
   I
   I
              1                  AM OSC

            1. UNIT : Tuning AM frequency.
            2. Set the SSG to AM 30% modulation.
                                                                                   rl
                                                                                   5
                                                                                       @
                                                                                   AM ANT COIL
                                                                                               4
                                                                                                         I   FE101 FRONT END




   I        3. Connect the SSG output terminal to loop antenna
            4. Connect the VTVM to output, set the unit & SSG to                       T102
   I
               522(530)kHz and adjust the T102 to maximize gain.
   I        5. Confirm the tuning state at 161 I(1 720)kHz (High end).

   I                                                                           I    AM OSC COIL      .
                                                                                                     I
   I                                                                           I              T201

   I          2                  AM SENSITIVITY                                I
                                                                                                                    IC212
   I
            1. UNIT : Tuning AM frequency.                                     I           AM IFT COIIL
            2. Set the SSG to AM 30% modulation, 60dBuV.
   I                                                                           I
            3. Connect the SSG output terminal to loop antenna.
                                                                               I
   I        4. Connect the VTVM to output, set the unit & SSG to
               603kHz and adjust the TIOI to maximize gain. (High
   I                                                                           I
               tracking adjustment)

   I                                                                           I

   I                                                                           I

   I          3                  AM IF FREQ
                                                                               I

   I        1. UNIT : Tuning AM frequency.                                     I
            2. Set the SSG to AM 30% modulation.
   I                                                                           I
            3. Connect the SSG output terminal to loop antenna.
   I        4. Connect the output of the unit, set the unit & SSG to
               1008kHz, 60dBuV.
                                                                                                                        CNIO:
   I        5. Adjust the T201 to maximize output.
   I        6. Confirm the maximize output & minimize T.H.D after
               adjust it.
   I
   L                                                                       J
                                                                            -




                                      FM SECTION
                                                                            -
                     4                 AUTO STOP LEVEL
 VR201
                   1. UNIT: Tuning FM frequency.(98MHz)
                   2. Turn the VR201 until appear STEREO indicator on the
                      display.
AUTO STOP LEVEL    3. Confirm the output is SSG 25 k 3dB and the auto
                      STOP operation at up/down direction.




                                                                            -




BFRD (Al R-469A)




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