Set of unit
Supply voltage :DC 12.0V
Speaker impedance:8 ohms
Standard output :50mW
Function switch :RADIO
a.Parts Location
CF103 460khz
OUT
T103
L102
CF102
T101
CF101
T102
FM ANT
L101
a.AM Adjustment
Band switch:MW
Input
Output
1
IF
Closed the output
terminal by sweep
generator,it place
to AM ANT
Connect sweep
genneratorto(19)IC101
(H) Oand T103
460 KHz
Low
T103
2
515 KHz Low end
T101
3
1640 KHz
High end
PVC
4
610 KHz 610 KHz MW ANT
5
1404 KHz 1404 KHz
PVC
b.FM Adjustment
Band switch:FM FM Dummy antenna:75 ohms unbalance
Input
Output
1
IF
Connect sweep
generator
Connect VTVM to (19)
IC101(H) and T102
10.7MHz
Low
2
87.5 MHz Low end
L101
3
108.5 MHz
High end
PVC
4
90.0 MHz 90.0 MHz
L101
5
106.0 MHz 106.0 MHz
PVC
Step Adjustin
g Circuit
SG
Frequency
Position of
Tuning dial
Adjustment
VTVM
Oscilloscope
Connections
Tuning
coverage
Connet AM SG to
test loop
Connect VTVM to
speaker terminals.
Connect VTVM to
speaker terminals.
Connect AM SG to
test loop
Tracking
Max.
Step
Adjustin
g Circuit
Connections
SG
Frequency
Position of
Tuning
dial
Adjustment
VTVM
Oscilloscope
Tuning
coverage
Connect FM SG to
FM ANT(H) D101
Connect VTVM to
speaker terminals.
Connect VTVM to
speaker terminals.
Connect FM SG to
FM ANT(H) D101
Tracking
Max
- 2 -
- 2 -
TUNER ADJUSTMENTS