Samsung SCM-6700 - Alignment and Adjustments; 4-1 Tuner Alignment; FM Alignment Procedures

4. Alignment and Adjustments
4-1 Tuner
CSVR801
CCON801
ISVR2
ISVR1
IT2
OT1
OT2
OCT2
OCT4
OCT3
OL2
OL1
TCON1
OCT1
IT1
KT431
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
Antenna
Terminal
Speaker
Terminal
Input
Input
Figure 4-1 IF CENTER and T.H.D Adjustment
Figure 4-2 FM Auto Search Level Adjustment
Output
Distortion Meter
Oscilloscope
Oscilloscope
FM antenna
FM SSG
FM SSG
GND
30dB
75Ω
Dummy
50Ω
Dummy
FM IN
FM Antenna
SET
50 kB
SET
Output
GND
FM Stereo Adjustment
SSG FREQ. 98MHz
Adjustment
point SEMI-VR(5KB)
(ISVR2)
L-CH/R-CH : Maximum(Figure 4-3)
Figure 4-3 FM Stereo Separation Adjustment
EXT
FM
SSG
Stereo
Modulator
(Pilot 10%)
Speaker
terminal
SET
GND
OUT
VTVM
5KB
4-1Samsung Electronics