Samsung MM-26 - Alignment and Adjustments; Tuner

***
Remark
***
After adjusting the AM, be sure to
adjust the FM.
4. Alignment and Adjustments
4-1 Tuner
FM T.H.D Adjustment
SSG FREQ. 98MHz
Adjustment
point FM DETECTOR COIL
(IFT2))
Minumum output(Figure 4-1)
AM Search Level Adjustment
SSG FREQ. 999KHz
Adjustment
point SEMI-VR(20KB)
(ISVR2)
"TUNED" is shown on LCD(Figure 4-3)
AM I.F Adjustment
SSG FREQ. 450KHz
SET FREQ. 522KHz
Adjustment
point AM IF COIL
(IFT1)
"TUNED" is shown on LCD(Figure 4-3)
FM
Antenna
Terminal
Speaker
Terminal
Input
Input
Figure 4-1 IF CENTER and T.H.D Adjustment
Figure 4-3 AM Auto Search Level Adjustment
Output
Distortion Meter
Oscilloscope
FM SSG
AM SSG
52dB
20K
Test Loop
Antenna
GND
20dB
75Ω
Dummy
FM IN
FM Antenna
SET
5 kB
SET
Output
GND
FM Stereo Adjustment
SSG FREQ. 98MHz
Adjustment
point SEMI-VR(5KB)
(ISVR1)
"TUNED" is shown on LCD (Figure 4-2)
Figure 4-2 FM Stereo Separation Adjustment
4-1Samsung Electronics
AM
Antenna
AM Loop
antenna jack
Speaker
Terminal
Oscilloscope
IN
OUT
SET
GND
60 cm
Electronic
Voltmeter