Adjustment Procedure; Preparation; Required Equipments; Jig Cable - Icom IC-M73 Service Manual

SECTION 5.

5-1 PREPARATION

¤ REQUIRED EQUIPMENTS
EQUIPMENT
ADJ-M73
Cloning software
(Revision 1.0 or later)
Measuring range
RF power meter
Frequency range
(50 Ω terminated)
SWR
Modulation Frequency range
Analyzer Measuring range
AC millivoltmeter Measuring range
Frequency range
Oscilloscope
Measuring range
Audio generator Frequency range
(AG) Output level
¤ JIG CABLE
OPC-478UC

ADJUSTMENT PROCEDURE

GRADE AND RANGE
ADJUSTMENT SOFTWARE
: 0.1–10 W
: 100–300 MHz
: Less than 1.2 : 1
: 30–300 MHz
: 0 to ±10 kHz
: 10 mV to 10 V
: DC–20 MHz
: 0.01–20 V
: 300–3000 Hz
: 1–500 mV
To SINAD meter/speaker
(CLONE line)
EQUIPMENT
Modifi ed OPC-478UC and OPC-922

JIG cable

(See the illust below)
Range
Frequency counter Accuracy
Input level
Frequency range
Standard signal
Output level
generator (SSG)
Attenuation
Attenuator
Capacity
Input impedance
External speaker
Capacity
To audio generator/AC millivoltmeter
PTT
Ω
33 k
WHITE (MIC)
(MIC line)
RED (AFOUT)
(SP line)
BLUE (CLONE)
SHIELD (GND)
5 - 1
GRADE AND RANGE
: 0.1–300 MHz
: ±1 ppm or better
: Less than 1 mW
: 0.1–300 MHz
: –20 dBµ to 90 dBµ
(–127 to –17 dBm)
: 30 dB
: More than 10 W
: 8 Ω
: More than 1 W
OPC-922
To the transceiver