Samsung S2000 - Alignment and Adjustments

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