Adjustment Procedure; Preparation; Required Equipment; Jig Cable - Icom IC-2730A Service Manual

SECTION 5.

5-1 PREPARATION

M REQUIRED EQUIPMENTS
EQUIPMENT
Modifi ed modular cable.

JIG cable

(See the illustration shown below.)
Measuring range:
RF power meter
Frequency range:
(50 terminated)
SWR:
Modulation Frequency range:
Analyzer Measuring range:
AC millivoltmeter Measuring range:
Audio generator Frequency range:
(AG) Output level:
M JIG CABLE
JIG cable
To [MIC]
M CONNECTION
Standard signal generator
–20 dBµ to 90 dBµ
(–127 dBm to –17 dBm)
FM
deviation meter
RF power meter
0.1–60 W/50 Ω

ADJUSTMENT PROCEDURE

GRADE AND RANGE
0.1–60 W
100–600 MHz
Less than 1.2 : 1
30–600 MHz
0 to ±10 kHz
10 mV to 10 V
300–3000 Hz
1–500 mV
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
8-pin modular jack
iuytrew q
y (MIC)
t (MICE)
8V
q
w MICU/D
w (MICU/D)
e
EXTMIC
r
PTT
u (GND)
t
MICE
y MIC
u
GND
r (PTT)
i
MICIN
u (GND)
to the antenna connector
Attenuator
40 dB
Frequency
counter
EQUIPMENT
Range:
Frequency counter Accuracy:
Input level:
Frequency range:
Standard signal
Output level:
generator (SSG)
Attenuation:
Attenuator
Capacity:
SETTING;
Frequency : 1 kHz
Level : 20 mVrms (Except [USA] version)
+ −
80 mVrms ([USA] version)
Waveform : Sine wave
AC MILLIVOLTMETER
(10 mV to 10 V)
22 kΩ
PTT
DO NOT transmit while
an SSG is connected to
the antenna connector.
IC-2730A/E (Rear view)
5-1
GRADE AND RANGE
0.1–600 MHz
±1 ppm or better
Less than 1 mW
0.1–600 MHz
–20 dBµ to 90 dBµ
(–127 to –17 dBm)
40 dB
More than 60 W
+ −