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4-7 MAIN UNIT ADJUSTMENTS
MAXIMUM
OUTPUT
POWER
RESIDUAL
AM
TX TOTAL
GAIN
HIGH
POWER
(HF)
(50 MHz)
AM CARRIER
POWER
Id-APC
ADJUSTMENT
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT LOCATION UNIT ADJUST
1
2
1
1
1
2
1
1
• Turn the power OFF
• Perform the all reset operation;
push and hold [F-INP] and [MW],
then power ON.
NOTE: Save the memory contents
and set mode setting conditions into
the CF memory card is recomment-
ed.
• Preset R93 to 3 o’clock position.
• Receiving
• Connect an audio generator to
[MIC] connector and set as;
Frequency : 1.5 kHz
Level : 1 mV
• Transmitting
• Mode : FM
• Connect an audio generator to
[MIC] connector and set as;
Frequency : 1.0 kHz
Level : 10 mV
• Transmitting
• MAIN display frequency
: 14.100 MHz
• Mode : USB
• [MIC] gain :
12 o’clock position
• Connect an audio generator to
[MIC] connector and set as;
Frequency : 1.5 kHz
Level : 1 mV
• Transmitting
• MAIN display frequency
: 14.100 MHz
• Mode : RTTY
• Transmitting
• MAIN display frequency
: 50.100 MHz
• Mode : RTTY
• Transmitting
• MAIN display frequency
: 14.100 MHz
• Mode : AM
• Apply no audio signals to [MIC]
connector.
• Transmitting
• MAIN display frequency
: 14.100 MHz
• Mode : RTTY
• Connect CP81 to GND.
• Preset R93 to 90˚ CCW.*
• Transmitting
MAIN
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Rear
panel
PA
Connect a digital mul-
timeter or oscilloscope
to CP82.
Connect an RF power
meter to [ANT1] con-
nector.
Connect an RF power
meter to [ANT1] con-
nector.
Connect an RF power
meter to [ANT1] con-
nector.
Connect an RF power
meter to [ANT1] con-
nector.
Connect an RF power
meter to [ANT1] con-
nector.
Connect a DC amme-
ter between W1 and
EP501.
0.5 V ±0.2 V
Maximum output
power
Minimum level differ-
ence between an audio
generator is ON and
OFF.
130 W
200 W
200 W
55 W
12 A
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
R69
Adjust in
sequence
repeatedly
L505,
C576,
L512
C576
R538
R81
R79
R82
R93
*CCW: Counter clockwise
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