Alignment And Adjustments - Samsung MM-16 Service Manual

4. Alignment and Adjustments

4-1 Tuner
Samsung Electronics
FM T.H.D Adjustment
SSG FREQ. 98MHz
Adjustment
point FM DETECTOR COIL
(IT1)
Minumum output(Figure 4-1)
FM Search Level Adjustment
SSG FREQ. 98MHz
Adjustment
point SEMI-VR(50KB)
(ISVR1)
"TUNED" is shown on LCD(Figure 4-2)
FM Stereo Adjustment
SSG FREQ. 98MHz
Adjustment
point SEMI-VR(5KB)
(ISVR2)
L-CH/R-CH : Maximum(Figure 4-3)
FM SET
Output
Antenna
GND
Terminal
Oscilloscope
FM SSG
Input
Speaker
Terminal
Input
Output
Distortion Meter
Figure 4-1 IF CENTER and T.H.D Adjustment
26dB FM Antenna
75Ω
SET
Dummy
GND
FM IN
FM SSG
50 kB
Figure 4-2 FM Auto Search Level Adjustment
Oscilloscope
EXT FM antenna
75Ω
FM
SET
Dummy
SSG
GND
Speaker
terminal
OUT
5KB
Stereo
Modulator
(Pilot 10%)
Figure 4-3
FM Stereo Separation Adjustment
VTVM
4-1