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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
(FD) Terminal
output Input
Output 60 dB
Distortion Meter
Minumum Distortion (0.4% below)
(Figure 1-1)
Figure1-1 IF CENTER and THD Adjustment
FM Search Level Adjustment
SSG FREQ. 98 MHz 28 dB FM Antenna
Adjustment BEACON SET
point SENSITIVITY
(SVR3) SEMI-VR(20K ) GND
FM S.S.G FM IN
Output 28 dB( dB)
Adjust SVR1 so that "TUNED" of FLT 20 k
* Adjustment Location of Tuner PCB is lighted (Figure 1-2)
*Adjust FM S.S.G level to 28dB
AM(MW) OSC AM(MW) RF AM(MW) RF
ITEAM Adjustment Adjustment Adjustment Figure1-2 FM Auto Search Level Adjustment
Received FREQ. 522~1611 KHz 594 KHz 150 KHz
Adjustment MO MA LA
point
Maximum Maximum AM(MW) I.F Adjustment 60cm
Output 1~7.0 V
Output(Fig1-4) Output(Fig1-4)
SSG FREQ. 450 kHz AM IF
Frequency 522 kHz OUTPUT AM ANT
MAIN VT GND IN
TESTER Adjustment
PCB point AA AM SSG Speaker Terminal
450KHZ
Maximum output (Figure 1-3)
INPUT OUTPUT
VTVM Oscilloscope
Figure1-3 AM I.F Adjustment
Samsung Electronics 1-1