SAMSUNG HT-DS1870
Instrukcja Serwisowa

1. Alignment and Adjustments
1. Tuner

FM THD Adjustment SSG FREQ. Adjustment point (FM DET) Output FM DETECTOR COIL 60 dB 98 MHz

Output GND FM S.S.G

FM Antenna SET Terminal Input Speaker Terminal output

Oscilloscope

Input

Distortion Meter

Minumum Distortion (0.4% below) (Figure 1-1)

Figure1-1 IF CENTER and THD Adjustment

* Adjustment Location of Tuner PACK

FM Search Level Adjustment SSG FREQ. Adjustment point (SVR1) Output 98 MHz BEACON SENSITIVITY SEMI-VR(20K�) 28 dB(±2dB)
28 dB FM Antenna SET FM S.S.G GND FM IN 10 k�

Adjust SVR1 so that �TUNED� of FLT is lighted (Figure 1-2) *Adjust FM S.S.G level to 28dB Figure1-2 FM Auto Search Level Adjustment

* AM, LW, SW Band : No Adjustment point

Samsung Electronics

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