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4 - 9
4-5 ADJUSTMENTS ON THE MAIN UNIT (including RF UNIT)
ADJUSTMENT
ADJUSTMENT CONDITION
OPERATION
ADJUSTMENT
POINT
VALUE
PREPARATION
(Preset)
1 • Receiving
1) Turn the power OFF.
2) Push and hold [F-INP]+[MW] keys,
and turn the power ON (All clear).
–
–
2
• Set the variable resister to the preset
point.
R2042
Max. CW
3
• Set the variable resister to the preset
point.
R2006
3 o'clock
position
3
• Connect a Digital multimeter to the
CP2001.
R2028
0.3–0.7 V
TRANSMIT
OUTPUT
POWER
1 • Frequency
: 14.100 MHz
• Mode
: USB
• Transmitting
1) Connect an Audio Generator to the
MIC jack (see the page 4-2) and set
it as;
Frequency
: 1.5 kHz
Level
: 1 mV
2) Connect an RF Power Meter to the
[ANT1].
3) Adjust the RF power.
L505
→
C576
→
L512
(RF UNIT)
(in sequence,
repeatedly)
Maximum
output
power
2 • Frequency
: 14.100 MHz
• Mode
: FM
• MIC gain
: Maximum
• Transmitting
1) Set the SSG as;
Frequency
: 1 kHz
Level
: 10 mV
2) Connect an RF Power Meter to the
[ANT1].
3) Adjust the RF power.
C576
(RF UNIT)
Maximum
output
power
TRANSMIT
TOTAL GAIN
1 • Frequency
: 14.100 MHz
• Mode
: USB
• MIC gain
: Center
• Transmitting
1) Connect an Audio Generator to the
MIC jack (see the page 4-2) and set
it as;
Frequency
: 1.5 kHz
Level
: 1 mV
2) Connect an RF Power Meter to the
[ANT1].
3) Adjust the RF power.
R538
(RF UNIT)
130 W
TRANSMIT
HIGH POWER
(HF)
1 • Frequency
: 14.100 MHz
• Mode
: RTTY
• Transmitting
• Connect an RF Power Meter to the
[ANT1].
R2072
200 W
TRANSMIT
HIGH POWER
(50 MHz)
1 • Frequency
: 50.100 MHz
• Mode
: RTTY
• Transmitting
• Connect an RF Power Meter to the
[ANT1].
R2068
200 W
AM CARRYER
POWER
1 • Frequency
: 14.100 MHz
• Mode
: AM
• MIC input
: OFF
• Transmitting
• Connect an RF Power Meter to the
[ANT1].
R2065
50 W
APC Vd
(Drain-Volatge)
1 • Frequency
: 1.900 MHz
• Mode
: RTTY
• Transmitting
• Connect the CP2051 to the GND.
CP2051
to the
GND
2
• Tu r n t h e R 2 0 4 2 m a x . c o u n t e r
clockwise.
R2042
(CCW rotation)
Max.
CCW
3
• Adjust the RF power with R2042.
R2042
220 W
4
• Disconnect the CP2051 from the
GND.
CP2051
Disconnect
from GND
APC Id
(Drain-Current)
1 • Frequency
: 24.900 MHz
• Mode
: RTTY
• MIC
: OFF
• Transmitting
• Connect the CP2051, CP2041 to the
GND.
CP2051, CP2041
to the
GND
2
• Set the variable resister to the preset
point.
R2006
90° to
CCW
3
• Disconnect the W1 from the PA200W
BOARD, and connect an Ammeter
between the PA200W BOARD and
W1.
R2006
(CW rotatioin)
12.0 A
4
• Disconnect the CP2051 and CP2041
from the GND.
CP2051, CP2041
Disconnect
from GND
(Center position)
90° to CCW