1-1
Samsung Electronics
1. Alignment and Adjustments
1-1 Tuner : MAXB420/MAXB450
FM THD Adjustment
Output
Output
23 dB
60 dB
Minumum Distortion (0.3% below)
(Figure 1-1)
SSG FREQ.
Adjustment
point
(TL3)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust TSR1 so that “TUNED” of FLT
is lighted (Figure 1-2)
Figure1-2 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 23dB
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(TSR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(5K
½
)
FM S.S.G
GND
23 dB
FM S.S.G
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
5 k
½
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
TL2
VTVM
Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment
point
(TL2)
450 kHz
522 kHz
AM I.F COIL
Figure1-3 AM I.F Adjustment
OUTPUT
* Adjustment Location of SW Band
* Adjustment Location of LW Band
Summary of Contents for MAX-B420
Page 6: ...Samsung Electronics 6 1 6 Wiring Diagram MAX B420 ...
Page 7: ...6 2 Samsung Electronics 6 1 Wiring Diagram MAX B450 ZB450 ...
Page 8: ...Samsung Electronics 5 1 5 Printed Circuit Board Diagram 5 1 MAIN MAX B420 ...
Page 9: ...5 2 Samsung Electronics 5 2 MAIN MAX B450 ZB450 ...
Page 10: ...Samsung Electronics 5 3 5 3 FRONT MAX B420 ...
Page 11: ...5 4 Samsung Electronics 5 4 FRONT MAX B450 ZB450 ...
Page 12: ...Samsung Electronics 5 5 5 5 TUNER 2BAND ...
Page 13: ...5 6 Samsung Electronics 5 6 CD MP3 CW106 ...
Page 14: ...Samsung Electronics 4 1 4 Block Diagram 4 1 MAIN MAX B420 ...
Page 15: ...4 2 Samsung Electronics 4 2 MAIN MAX B450 ZB450 ...
Page 16: ...Samsung Electronics 4 3 4 3 CD ...
Page 31: ...Samsung Electronics 2 3 2 3 Total Exploded View and Parts List ...
Page 36: ...Samsung Electronics 7 1 7 Schematic Diagram 7 1 CD MP3 Parts ...
Page 37: ...7 2 Samsung Electronics 7 2 MAIN Part MAX B420 ...
Page 38: ...Samsung Electronics 7 3 7 3 MAIN Part MAX B450 ZB450 ...
Page 39: ...7 4 Samsung Electronics 7 4 FRONT MAX B420 ...
Page 40: ...Samsung Electronics 7 5 7 5 FRONT MAX B450 ZB450 ...
Page 41: ...7 6 Samsung Electronics 7 6 TUNER EURO ...
Page 42: ...Samsung Electronics 7 7 7 7 TUNER RUSIA ...
Page 43: ...7 8 Samsung Electronics 7 8 TUNER 2BAND ...
Page 44: ...ELECTRONICS Samsung Electronics Co Ltd APR 2002 Printed in Korea Code no AH68 01107K ...