Adjustment Procedures; Preparation - Icom IC-M72 Service Manual

SECTION 5

5-1 PREPARATION

REQUIRED TEST EQUIPMENTS
When adjusting IC-M72, the optional CS-M72 ADJ
478U (USB type)
CLONING CABLE,
EQUIPMENT
Measuring range
Frequency range
RF power meter
(terminated type)
Impedance
SWR
Frequency range
Frequency counter Frequency accuracy : ±1 ppm or better
Sensitivity
Frequency range
FM deviation meter
Measuring range
Frequency range
Audio generator Output level
Impedance
STARTING SOFTWARE ADJUSTMENT
(1) Connect IC-M72 and a PC with OPC-478/U,
OPC-1028 and JIG CABLE.
(2) Turn the transceiver ON.
®
(3) Boot up Windows , and click the program group 'CS-M72
ADJ' in the 'Programs' folder of the [Start] menu,
then CS-M72 ADJ's window appears.
(4) Click 'Adjust' on the CS-M72's window, then IC-M72's
up-to-date condition appears.
(5) Set or modify adjustment value as specified.
CAUTION!:
BACK UP the originally programmed memory
data in the transceiver before programming
the adjustment frequencies.
When program the adjustment frequencies
into the transceiver, the transceiver's memory
data will be overwritten and lose original
memory data at the same time.
Microsoft and Windows are registered trademarks of
Microsoft Corporation in the U.S.A. and other countries.

ADJUSTMENT PROCEDURES

ADJUSTMENT SOFTWARE
OPC-1028 and JIG cable (see page 5-2) are required.
GRADE AND RANGE
: 0.1–10 W
: 100–300 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–300 MHz
: 100 mV or better
: 30–300 MHz
: 0 to ±10 kHz
: 300–3000 Hz
: 1–500 mV
: 600 Ω
(Rev. 1.0 or later), OPC-478 (RS-232 type) or OPC-
EQUIPMENT
Standard signal
Frequency range : 0.1–300 MHz
generator (SSG)
Output level
Frequency range : DC–20 MHz
Oscilloscope
Measuring range : 0.01–20 V
AC millivoltmeter Measuring range : 1 mV to 10 V
Input impedance : 8 Ω
External speaker
Capacity
Power attenuation : 30 dB or more
Attenuator
Capacity
5 - 1
GRADE AND RANGE
: 0.1 µV to 32 mV
(–127 to –17 dBm)
: More than 1 W
: More than 10 W