Samsung MM-ZJ6 Service Manual - Page 3

1. Alignment and Adjustments 1-1. Tuner * Adjustment Location of Tuner PCB ITEAM AM(MW) OSC Adjustment Received FREQ. Adjustment point 522~1611 KHz MO Output 1~7.0±0.5V AM(MW) RF Adjustment 594 KHz MA Maximum Output(Fig1-4) LW OSC Adjustment LW RF Adjustment 146~290 KHz LO 150 KHz LA 2~7.0±0.5V Maximum Output(Fig1-4) Samsung Electronics Fig 1-4 OSC Voltage FM THD Adjustment SSG FREQ. Adjustment point (FM DET) Output 98 MHz FD 60 dB Minumum Distortion (0.4% below) (Figure 1-1) Output GND FM S.S.G FM Antenna SET Terminal Input Oscilloscope Speaker Terminal output Input Distortion Meter Figure1-1 IF CENTER and THD Adjustment FM Search Level Adjustment SSG FREQ. 98 MHz Adjustment point (SVR1) Output SVR1 (10KΩ) 28 dB(±2dB) Adjust SVR1 so that "TUNED" of LCD is lighted (Figure 1-2) *Adjust FM S.S.G level to 28dB 28 dB FM S.S.G GND FM Antenna FM IN SET 10 kΩ Figure1-2 FM Auto Search Level Adjustment AM(MW) I.F Adjustment SSG FREQ. Frequency Adjustment point 450 kHz 522 kHz AA Maximum output (Figure 1-3) 60cm AM SSG 450KHZ AM ANT IN AM IF Speaker Terminal INPUT OUTPUT VTVM Oscilloscope Figure1-3 AM I.F Adjustment 1-1