4 - 8
4-4 RECEIVER ADJUSTMENTS
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT LOCATION UNIT
AD-
JUST
RX PEAK 1 • Display freq. : 14.100000 MHz
• [DUALWATCH] : OFF
• Mode : USB
• Set following selections, controls
and functions as:
[AGC] : MID [ATT] : OFF
[NB] : OFF [RIT] : OFF
PBT1 : Center PBT2 : Center
Filter : 2.4 kHz
[P.AMP] : P.AMP1
[RF/SQL] : Center
[NOTCH] : OFF
[NR] switch : OFF
• Preset center dots to 90˚ differ-
ence on the roter and stater of
C1036 and C1211.
• Connect an SSG to [ANT1] con-
nector and set as:
Frequency : 14.101500 MHz
Level : 10 µV* (–87 dBm)
Modulation : 1 kHz/±5.0 kHz dev.
• Receiving
Rear
panel
Connect an AC
millivoltmeter to [EXT
SP] connector with an
8
Ω
load.
Minimum audio output
level
RF-B L1211,
L1751,
L1752,
C1238
Adjust L211 to upper side of 2 peak points.
2 • Sub display freq. : 14.100000 MHz
• [DUALWATCH] : ON
• Mode : USB
• [BAL] : Max. CW
• Set an SSG as:
Level : 10 µV* (–87 dBm)
• Receiving
Rear
panel
Connect an AC
millivoltmeter to [EXT
SP] connector with an
8
Ω
load.
Minimum audio output
level
RF-B L1011,
C1036
Adjust L1011 to upper side of 2 peak points.
FM
DISTOR-
TION
1 • Display freq. : 14.100000 MHz
• [DUALWATCH] : OFF
• Mode : FM
• Filter : 15 kHz
• [P.AMP] : P.AMP1
• Connect an SSG to [ANT1] con-
nector and set as:
Frequency : 14.100000 MHz
Level : 500 µV* (–53 dBm)
Modulation : 1 kHz/±5.0 kHz Dev.
• Receiving
Rear
panel
Connect a distortion
meter to [EXT SP]
connector with an 8
Ω
load.
Minimum distortion level RF-B L1751,
L1702
Adjust in sequence L1751, L1702, L1751.
MIXER
BALANCE
1 • Display freq. : 1.900000 MHz
• Sub display freq. : 1.900000 MHz
• [DUALWATCH] : ON
• Mode : USB
• [BAL] : Max. CCW
• Apply no RF signal to [ANT1] con-
nector.
• Receiving
Rear
panel
Connect a spectrum
analyzer to the check
point J1651.
Minimum noise output
level.
RF-B R1206,
R1207
2 • [BAL] : Max. CW
• Receiving
R1006,
R1007
*This output level of standard signal generator (SSG) is indicated as SSG's open circuit.
To Next Page
Loading...
