Icom IC-7300, Adjustment Procedure

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4-1
SECTION 4 ADJUSTMENT PROCEDURE
4-1 PREPARATION
M
REQUIRED EQUIPMENTS
M
GENERAL CONNECTION
• Front panel
• Rear panel
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE
Shunt plug
Modified 3.5 mm (1/8 inch) monaural plug
(See the illustration below.)
Dummy Loads Impedance: 50
Ω
and 100
Ω
/120 W
Attenuator Attenuation: 50 dB/120 W
RF power meter
(50
Ω
terminated)
Measuring range: 1–120 W
Frequency range: 0.1–60 MHz
SWR: Less than 1.2 : 1
Standard signal
generator (SSG)
Frequency range: 0.1–60 MHz
Output level:
–20 dBµ to +94 dBµ
(–127 to –13 dBm)
Frequency counter
Frequency range: 0.1–60 MHz
Frequency accuracy: ±1 ppm or better
Input level:
Less than 1 mW
Audio generator
(AG) Frequency range: 300–3000 Hz
Output level:
1–500 mV
AC Millivoltmeter Measuring range: 10 mV to 10 V
[SP]
[REMOTE] [ANT]
<Rear view>
<Front view>
AC MILLIVOLT METER
(10 mV to 10 V)
EXT. SPEAKER
(2 W/8
Ω)
+ –
+ –
DUMMY LOAD
(50 or 100 Ω /120 W)
RF POWER METER
(120 W/50 Ω)
STANDARD SIGNAL GENERATOR
(0.1–60 MHz)
NEVER TRANSMIT while the SSG is connected.
FREQUENCY COUNTER
(0.1–60 MHz)
ATTENUATOR
(50 dB/120 W)
[DC 13.8V]
Fuses
25 A
DC power supply
(13.8 V/30 A)
⊕ −
Black
Red
⊕
−
Supplied DC cable
[MIC]
Audio
generator
PTT
[MIC]
AC millivolt-
meter
MIC
PTT
MICE
GENERAL CONNECTION
(Short)
• Short plug
(For entering the adjustment mode)
3.5 mm (1/8 inch) monaural plug
(Shunt)
14.150.00
USB
TX
ADJUST MODE
FIL2
FRONT Preset TX/ID RX TUNER/REF
Sub adjustment menu
<Main adjustment menu screen >
14.150.00
USB
TX
ADJUST MODE
== RX ==
FIL2
Gain S Meter
Rotate to adjust
Push to exit the menu
Sub adjustment menu
Adjustment item
<Sub adjustment menu screen example>
[SP]
[REMOTE] [ANT]
<Rear view>
<Front view>
AC MILLIVOLT METER
(10 mV to 10 V)
EXT. SPEAKER
(2 W/8
Ω)
+ –
+ –
DUMMY LOAD
(50 or 100
Ω
/120 W)
RF POWER METER
(120 W/50 Ω)
STANDARD SIGNAL GENERATOR
(0.1–60 MHz)
NEVER TRANSMIT while the SSG is connected.
FREQUENCY COUNTER
(0.1–60 MHz)
ATTENUATOR
(50 dB/120 W)
[DC 13.8V]
Fuses
25 A
DC power supply
(13.8 V/30 A)
⊕
−
Black
Red
⊕
−
Supplied DC cable
[MIC]
Audio
generator
PTT
[MIC]
AC millivolt-
meter
MIC
PTT
MICE
GENERAL CONNECTION
(Short)
• Short plug
(For entering the adjustment mode)
3.5 mm (1/8 inch) monaural plug
(Shunt)
14.150.00
USB
TX
ADJUST MODE
FIL2
FRONT Preset TX/ID RX TUNER/REF
Sub adjustment menu
<Main adjustment menu screen >
14.150.00
USB
TX
ADJUST MODE
== RX ==
FIL2
Gain S Meter
Rotate to adjust
Push to exit the menu
Sub adjustment menu
Adjustment item
<Sub adjustment menu screen example>