Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Audio MAX-L42 MAX-L42_L42G_L45_ZL45_L47_ZL65 20030125151045333_MAXL42_OMAX.BG015.E.07

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1. Alignment and Adjustments
1-1 Tuner




                                                                   FM THD Adjustment                           FM
                                                                                                 Output
                                                                                                               Antenna SET
                                                                                                 GND
                                                         SSG FREQ.                 98 MHz                      Terminal
                                                                                                                                                Oscilloscope
                                                         Adjustment                           FM S.S.G                            Input
                                                         point             FM DETECTOR COIL               Speaker
                                                         (TL3)                                            Terminal
                                                                                                                                output              Input
                                                         Output            60 dB
                                                                                                                             Distortion Meter
                                                         Minumum Distortion (0.3% below)
                                                         (Figure 1-1)
                                                                                               Figure1-1 IF CENTER and THD Adjustment




                                                              FM Search Level Adjustment
                                                          SSG FREQ.               98 MHz                     23 dB       FM Antenna

                                                          Adjustment      BEACON                                                          SET
                                                          point           SENSITIVITY
                      * Adjustment Location of SW Band      (TSR1)        SEMI-VR(5K)          FM S.S.G
                                                                                                            GND
                                                                                                                             FM IN
                                                          Output          23 dB
                                                         Adjust TSR1 so that "TUNED" of FLT                                                       5 k
                                                         is lighted (Figure 1-2)

                                                         *Adjust FM S.S.G level to 23dB

                                                                                              Figure1-2 FM Auto Search Level Adjustment




                                                                  AM(MW) I.F Adjustment                               60cm

                                                         SSG FREQ.                 450 kHz                                                       TL2
                                                         Frequency                 522 kHz      OUTPUT                         AM ANT
                                                                                                                               IN
                                                         Adjustment
                                                         point             AM I.F COIL         AM SSG                                 Speaker Terminal
                                                         (TL2)                                 450KHZ
                                                            Maximum output (Figure 1-3)
                                                                                                              INPUT              OUTPUT


                                                                                                                       VTVM          Oscilloscope
                 * Adjustment Location of LW Band
                                                                                                     Figure1-3 AM I.F Adjustment



Samsung Electronics                                                                                                                                         1-1
Alignment and Adjustments
1-1-2 AM(MW),LW,SW1,SW2 Adjustment
       Circuit      Measuring Instrument & Step   S.S.G     Radio dial Adjusting   Adjust for
       to be        Arrangement                   Frequency Setting    Point
       Adjusted

                                            1     522KHz     522KHz    MW OSC      Aduust for   1.0V

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