1
Samsung Electronics
1. Alignment and Adjustments
1. Tuner
FM THD Adjustment
Output
Output
28 dB(
±2
dB)
60 dB
Minumum Distortion (0.4% below)
(Figure 1-1)
SSG FREQ.
Adjustment
point
(FM DET)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust SVR1 so that “TUNED” of FLT
is lighted (Figure 1-2)
Figure1-2 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 28dB
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(SVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(10K
Ω
)
FM S.S.G
GND
28 dB
FM S.S.G
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
20 k
Ω
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
AM IF
VTVM
Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment
point
450 kHz
522 kHz
AM IF
Figure1-3 AM I.F Adjustment
OUTPUT
* Adjustment Location of Tuner PCB
AM(MW)
OSC
Output
1~7.0
±0.5
V
Received FREQ.
Adjustment
point
522~1611 KHz
MO
AM(MW)
RF
ITEAM
594 KHz
MA
Maximum
Output
(Fig1-4)
TESTER
MAIN
PCB
VT
GND
Fig 1-4 OSC Voltage
LW
OSC
146~290 KHz
LO
2~7.0
±0.5
V
AM(MW)
RF
150 KHz
LA
Maximum
Output
(Fig1-4)
SW1
OSC
2.3~7.3 MHz
LO
1~8V
±1
V
SW1
RF
3.5MHz
MA
Maximum
Output
(Fig1-4)
SW2
OSC
9.5~26.1MHz
LO
SW2
RF
10MHz
MA
Maximum
Output
(Fig1-4)
1~8V
±1
V
Summary of Contents for MAX- WL85
Page 2: ...ELECTRONICS Samsung Electronics Co Ltd MAY 2001 Printed in Korea Code no AH68 00664J ...
Page 6: ...Samsung Electronics 2 2 2 2 Total Exploded View and Parts List 2 2 1 Total Exploded ...
Page 26: ...Samsung Electronics 4 1 4 Block Diagram 4 1 MAIN ...
Page 27: ...4 2 Samsung Electronics 4 2 CD ...
Page 28: ...Samsung Electronics 6 1 6 Wiring Diagram COMMON ...
Page 29: ...Samsung Electronics 7 1 7 Schematic Diagram 7 1 CD MP3 Parts COMMON ...
Page 30: ...7 2 Samsung Electronics 7 2 MAIN Part COMMON ...
Page 31: ...Samsung Electronics 7 3 7 3 FRONT COMMON ...
Page 32: ...7 4 Samsung Electronics 7 4 POWER AMPLIFIER COMMON ...
Page 33: ...Samsung Electronics 7 5 7 5 TUNER EURO ...
