Alignment And Adjustments - Samsung S1000 Service Manual

4. Alignment and Adjustments

4-1 Tuner
Samsung Electronics
FM THD Adjustment
SSG FREQ.
98 MHz
Adjustment
point FM DETECTOR COIL
(IFT6)
Minimum Distortion (Figure 4-1)
FM Search Level Adjustment
SSG FREQ. 98 MHz
Adjustment
point SEMI-VR(5KB)
(MSR1)
"TUNED" is shown on FLT (Figure 4-2)
* Note : Adjust FM S.S.G Level to
EMF 21dB(Included Loss)
AM IF Adjustment
SSG FREQ. 594 MHz
Adjustment
point AM IF COIL
(IFT2)
Level : Maximum (Figure 4-3)
FM
Output
Antenna SET
GND
Terminal
Oscilloscope
FM SSG Input
Speaker
Terminal
output
Distortion Meter
Figure4-1 IF CENTER and THD Adjustment
FM Antenna
30 dB
75Ω
SET
Dummy
GND
FM SSG FM IN
Figure4-2 FM Auto Search Level Adjustment
60 cm
FM
Antenna
Terminal
AM SSG
Oscilloscope
VTVM
Figure4-3 AM IF Level Adjustment
Input
5 kB
4-1