Adjustment Procedures; Preparation Before Servicing; Required Test Equipment; Connections - Icom IC-M710 Service Manual

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION BEFORE SERVICING

■ REQUIRED TEST EQUIPMENT

EQUIPMENT
Output voltage
DC power supply
Current capacity
Measuring range
RF power meter Frequency range
Impedance
(terminated type)
SWR
Frequency range
Frequency counter Frequency accuracy
Sensitivity
Frequency range
RF voltmeter
Measuring range
DC voltmeter Input impedance
Frequency minimum
Spectram analyzer
Spectrum bandwidth

• CONNECTIONS

AC
millivoltmeter
Speaker
Audio
generator
Connect pins 3 and 4
for AF output
DC power suppy
13.6 V/30 A
to [MICROPHONE]
GRADE AND RANGE
: 13.6 V DC
: 30 A or more
: 10–200 W
: 1.8–30 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–100 MHz
: ±1 ppm or better
: 100 mV or better
: 0.1–100 MHz
: 0.01–10 V
: 50 kΩ/V DC or better
: At least 90 MHz
: ±100 kHz or more
to [EXT SP]
Pin 7 MICE
Pin 1 MIC
[PTT]
3
6
4 5
to DC power receptacle
[DC 13.6V]
EQUIPMENT
Frequency range
Audio generator
Measuring range
Frequency range
Standard signal
Output level
generator (SSG)
Frequency range
Oscilloscope
Measuring range
AC millivoltmeter Measuring range
Input impedance
External speaker
Capacity
Power attenuation
Attenuator
Capacity
DC ammeter Measurement capability : 1 A/3 A /50 A
Input voltage
Electronic load
Load current
Attenuator
40 or 50 dB
to the
antenna
connector
[ANT]
IC-M710
4 - 1
GRADE AND RANGE
: 300–3000 Hz
: 1–500 mV
: 0.1–30 MHz
: –127 to –17 dBm
(0.1 µV–32 mV)
: DC–100 MHz
: 0.01–10 V
: 10 mV–10 V
: 4 Ω
: 6 W or more
: 40 or 50 dB
: 150 W or more
: 13.6 V or more
: 10 A or more
Spectrum
analyzer
RF power meter
200 W/50 Ω
Standard signal
generator
CAUTION:
DO NOT connect the
signal generator while
transmitting.