Icom IC-M710

4 - 1
SECTION 4 ADJUSTMENT PROCEDURES
4-1 PREPARATION BEFORE SERVICING
■ REQUIRED TEST EQUIPMENT
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
RF voltmeter
DC voltmeter
Spectram analyzer
GRADE AND RANGE
Output voltage : 13.6 V DC
Current capacity : 30 A or more
Measuring range : 10–200 W
Frequency range : 1.8–30 MHz
Impedance : 50 Ω
SWR : Less than 1.2 : 1
Frequency range : 0.1–100 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity : 100 mV or better
Frequency range : 0.1–100 MHz
Measuring range : 0.01–10 V
Input impedance : 50 kΩ/V DC or better
Frequency minimum : At least 90 MHz
Spectrum bandwidth : ±100 kHz or more
EQUIPMENT
Audio generator
Standard signal
generator (SSG)
Oscilloscope
AC millivoltmeter
External speaker
Attenuator
DC ammeter
Electronic load
GRADE AND RANGE
Frequency range : 300–3000 Hz
Measuring range : 1–500 mV
Frequency range : 0.1–30 MHz
Output level : –127 to –17 dBm
(0.1 µV–32 mV)
Frequency range : DC–100 MHz
Measuring range : 0.01–10 V
Measuring range : 10 mV–10 V
Input impedance : 4 Ω
Capacity : 6 W or more
Power attenuation : 40 or 50 dB
Capacity : 150 W or more
Measurement capability : 1 A/3 A /50 A
Input voltage : 13.6 V or more
Load current : 10 A or more
• CONNECTIONS
AC
millivoltmeter
Speaker
Audio
generator
Pin 7 MICE
Pin 1 MIC
Connect pins 3 and 4
for AF output
to DC power receptacle
[DC 13.6V]
IC-M710
[ANT]
to the
antenna
connector
to [MICROPHONE]
to [EXT SP]
Attenuator
40 or 50 dB
Spectrum
analyzer
RF power meter
200 W/50 Ω
Standard signal
generator
CAUTION:
DO NOT
connect the
signal generator while
transmitting.
DC power suppy
13.6 V/30 A
3
45
6
[PTT]