Samsung MAX-670 - Alignment and Adjustments; Tuner Section

4-1Samsung Electronics
4. Alignment and Adjustments
4-1 Tuner Section
FM T.H.D Adjustment
SSG FREQ.
Adjustment
point (TL2)
Minimum output(Figure4-1)
Level : Maximum (Figure4-2)
SSG FREQ.
Adjustment
point (TL1)
SSG FREQ.
Adjustment
point (TL1)
“TUNED” is shown of FLT (Figure4-3)
Adjustment
point (TL1)
SSG FREQ.
“TUNED” is shown of FLT (Figure4-4)
FM
antenna
Terminal
Speaker
Terminal
Input
Input
Figure 4-1 IF CENTER and T.H.D Adjustment
Output
Voltmeter
Oscilloscope
FM S.S.G
SET
Output
GND
TVR2
TL2
TL1
TVR1
AM IF Adjustment
Figure 4-3 AM Search Level Adjustment
Figure 4-4 FM Search Level Adjustment
FM S.S.G
GND
Oscilloscope
VTVM
60 cm
30dB
FM IN
FM Antenna
SET
5 kB
AM Search Level Adjustment
Figure 4-2 AM IF Level Adjustment
AM S.S.G
AM
Antenna
Terminal
FM Search Level Adjustment
* Note : Be sure to adjust the AM for Tuner Search Level.
(If AM is adjusted, FM is adjusted automatically.)
* Note : Adjust FM S.S.G Level to
EMF 21dB (Included Loss)
60 cm
AM S.S.G
20KB
SET
98MHz
FM DETECTIR COIL
594KHz
AM IF COIL
999KHz
SEMI-VR (20KB)
98MHz
SEMI-VR (5KB)