Adjustment Procedure; Connection; Jig Cable; Preparation - Icom IC-2300H Service Manual Addendum

SECTION 5.

5-1 PREPARATION

REQUIRED EQUIPMENT
EQUIPMENT
Measuring range : 0.1–30 W*
RF power meter
(50 Ω terminated)
Frequency range : 100–300 MHz
SWR
Modulation Frequency range : 30–300 MHz
analyzer Measuring range : 0 to ±10 kHz
Frequency range : DC–20 MHz
Oscilloscope
Measuring range : 0.01–20 V
Audio generator Frequency range : 300–3000 Hz
(AG) Output level
*; For [TPE]. **; All models except [TPE].
CAUTION!: BACK UP the originally programmed memory data in the transceiver, before starting the adjustments.
When the adjustment is fi nished, the memory data may be cleared.

CONNECTION

JIG cable

JIG CABLE
8-pin
modular
plug
To the MICROPHONE CONNECTOR
*; For [USA].

ADJUSTMENT PROCEDURE

GRADE AND RANGE
: 0.1–70 W**
: Less than 1.2 : 1
: 1–500 mV
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
8-pin modular jack
iuytrew q
y (MIC)
t (MICE)
q
8V
w
MICU/D
w (MICU/D)
e
EXTMIC
r
u (GND)
PTT
t
MICE
y
MIC
u
r (PTT)
GND
i
MICIN
u (GND)
EQUIPMENT
Modifi ed 8-pin modular plug.
JIG cable
See the illustration shown below.)
Range
Frequency counter Accuracy
Input level
Frequency range : 0.1–300 MHz
Standard signal
Output level
generator (SSG)
Attenuation
Attenuator Capacity
Input impedance : 4 Ω
External speaker
AC millivoltmeter Measuring range : 10 mV to 10 V
to the antenna connector
DO NOT transmit while
an SSG is connected to
the antenna connector.
Attenuator
40–60 dB
RF power meter
0.1–30 W*/50 Ω
0.1–70 W**/50 Ω
Frequency
counter
SETTING;
Frequency : 1 kHz
Level
+ −
Waveform : Sine wave
22 kΩ
PTT
5 - 1
GRADE AND RANGE
: 0.1–300 MHz
: ±1 ppm or better
: Less than 1 mW
: –20 dBµ to 90 dBµ
(–127 to –17 dBm)
: 40–60 dB
: More than 30 W*
More than 70 W**
Standard signal generator
–20 to 90 dBµ
(–127 dBm to –17 dBm)
Modulation
analyzer
AC MILLIVOLTMETER
(10 mV to 10 V)
: 20 mVrms
+ −
(80 mVrms*)