Advertisement
E model | ST-215
MW
SECTION
Setting:
BAND selector switch:
MW
rote
eRepeat
the
procedures
in
each
adjustment
several times, and the OSC voltage and tracking
adjustments
should
be
finally
done
by
the
trimmer capacitors.
MW
TRACKING
ADJUSTMENT
Adjust for a maximum reading
on VTVM.
600kHz
|
L022
|
ae
1,400 kHz
CT021
MAIN BOARD
MW
OSC Voltage Adjustment
Procedure:
1.
Tune the set to 530 kHz by pressing TUNING
(+, -) button.
2.
Press the button for 1,611 kHz.
eS
Adjust CT022 for 8 — 8.5 V VOM reading.
VOM
(DC range)
+0
+
ST-21 5 | E model
RT102
AM
Tuned Indication Lighting Level Adjustment
BAND select switch:
MW
Procedure:
loop antenna
AM rf signal
generator
1.
Set loop antenna so that the MW antenna input
level becomes 0.7 mV/m (57 dB/m).
2.
Adjust RT102 so that the LED lights up.
Carrier frequency:
999kHz
|
Modulation:
400 Hz, 30% modulation
—ST-5—
SW SECTION
Setting:
BAND
selector switch:
SWI or 2
AM rf signal
generator
7pF
CS
f°
set
30% amplitude
modulation by
SW/MW ANTENNA
400 Hz signal
terminal
eRepeat
the
procedures
in
each
adjustment
several times, and the OSC voltage and tracking
adjustments
should
be
finally
done
by
the
trimmer capacitors.
SW1
TRACKING
ADJUSTMENT
Adjust for maximum reading
on VTVM.
7.3 MHz
CT023
L024
SW 2 TRACKING
ADJUSTMENT
Adjust for a maximum reading
on VIVM.
SW 1/ SW 2 OSC Voltage Adjustment
Procedure:
1.
Set BAND selector switch to SW 1.
2.
Press TUNING (4, —) button for 3.2 MHz.
Adjust L025 for 1 — 1.1 V VOM reading.
3.
Press the button for 7.3 MHz.
Adjust CT024 for 8 — 8.5 V reading.
4.
Set BAND selector switch to SW 2.
Press TUNING (4, -) button for 9.5 MHz.
Adjust L027 for 1 — 1.1 V reading.
6.
Press the button for 21.75 MHz.
AdjustCT026 for 8 — 8.5 V VOM reading.
rcocc
i)
MAIN BOARD
'R-CH | L-CH
(CONDUCTOR
SIDE) '
MAIN
BOARD
(COMPONENT
SIDE)
Pee
ee
ee
ee
ey
TS
NN
|
/O|
—
a ee
|
VOM
(DC range)
—ST-6—
Advertisement
