Samsung S2000 Service Manual page 6

Alignment and Adjustments
1-1-1 Test Equipment
1. AM Standard Signal Generator (S.S.G) : 400Hz, 30% MOD
2. Oscilloscope
3. VTVM
4. Frequency counter
5. Loop antenna
6. Dummy load (3.2½)
7. DC voltmeter
1-1-2 Pre-Adjustment
1. Check the source voltage
2. Press TUNER/BAND to select the AM(MW) function.
3. Set the EQ/P.SOUND control to OFF position.
4. Set the volume control to approximaterly 50mw.
1-1-3 MW(AM)/LW/SW Adjustment
FREQ.
SSG.
Step Item
FREQ. Setting
AM(MW)-OSC 522~1611 KHz
-
1
MW
594 KHz 594 KHz
AM(MW)-RF
2
LW-OSC
-
146~290 KHz
3
LW
LW-RF
4 170 KHz
SW1-OSC 2.3~7.3MHz
5 -
3.5MHz
SW1-RF
6
SW
9.5~26.1 MHz
7 SW2-OSC -
8
10MHz
SW2-RF
TP3
TUNER
PCB
GND
Figure 1-6 MW(AM)/LW/SW Adjustment
1-2
Adjust.
Point Low Cover(Adj.)~High Cover(Check)
1.0( ±0.1V :
MW OSC Adj.) ~ 7.0V(
MW ANT Maximum output
1.0( ±0.1V :
LW OSC Adj.) ~ 7.0V(
170 KHz LW ANT Maximum output
1.0( ±0.1V :
SW1 OSC
Adj.) ~ 6.5V(
3.5MHz
SW1 ANT
Maximum output
1.0( ±0.1V :
SW2 OSC
Adj.) ~ 6.5V(
10MHz SW2 ANT Maximum output
Input
DC Voltmeter
Remark
±0.1V : Check)
±0.1V : Check)
±0.5V : Check)
±0.5V : Check)
Samsung Electronics