Alignment And Adjustments - Samsung S2000 Service Manual

1. Alignment and Adjustments

1-1 Tuner
Fig1-1 Adjustment location of Tuner part(MW/LW Band)
Fig1-2 Adjustment location of Tuner part(SW1/SW2 Band)
Samsung Electronics
FM THD Adjustment
SSG FREQ.
98 MHz
Adjustment
point
FM DETECTOR COIL
(TL3)
60dB
Output
Minimum Distortion (0.4% below)
(Figure 1-3)
FM Search Level Adjustment
SSG FREQ. 98 MHz
Adjustment
BEACON
point
SENSITIVITY
(TSR1) SEMI-VR(20KΩ)
Output 1kHz 25dB
Adjust TSR1 so that "TUNED" of FLT
is lighted (Figure 1-4)
AM(MW)I.F Adjustment
SSG FREQ.
450MHz
Frequency
522MHz
Adjustment
AM I.F COIL
point
(TL2)
Maximum Output(Figure 1-5)
AM
AM Signal
Loop
Generator
Test Loop
Antenna Jack
Antenna
60 cm
FM
Output
Antenna SET
GND
Terminal
FM SSG
output
Input
Speaker
Terminal
Distortion Meter
Figure1-3 IF CENTER and THD Adjustment
25 dB FM Antenna
SET
GND
FM SSG
FM IN
Figure1-4 FM Auto Search Level Adjustment
VTVM Oscilloscope
Speaker
Terminal
IN OUT
SET
GND
Figure1-5 AM I.F Adjustment
Oscilloscope
Input
TSR1
20 kΩ
1-1