Icom IC-706 - Adjustment Procedures; Preparation before Servicing

SECTION 4 ADJUSTMENT PROCEDURES
4·1 PREPARATION BEFORE SERVICING
.REQUIRED TEST EQUIPMENT
EQUIPMENT GRADE AND RANGE
EQUIPMENT GRADE AND RANGE
DC power supply Output voltage
: 13.8 V DC
AC millivoltmeter Measuring range
:
10mV-10V
Current capacity
: 30 A or more
DC voltmeter Input Impedance : 50
kQ/DC or better
RF power meter
Measuring range
: 10
200W
Ammeter
Measurement capability: 1 A and 30 A
(terminated type) Frequency range
:
1.8-30 MHz
Impedance :
50n
Audio generator
Frequency range
: 300-3000 Hz
SWR : Less than 1.2:1
Output level
:
1-500 mV
Frequency counter Frequency range
:
0.1-100 MHz
Attenuator Power attenuation
: 50
or 60 dB
Frequency accuracy
: ±1 ppm or better
Capacity
: 150 W
or more
Sensitivity : 100 mV
or better
Spectrum analyzer
Frequency range : At least 400 MHz
RF voltmeter
Frequency range
:
0.1-100MHz
Spectrum bandwidth : ±100 MHz or more
Measuring range
:
0.01-10V
FM deviation meter Frequency range
: At least 200 MHz
Digital multimeter Input impedance : 10
MQ/DC or better
Measuring range :
Oto±10kHz
Standard signal
Frequency range :
0.1-100 MHz
Modulation analyzer
Frequency range : At least 150 MHz
generator (SSG) Output level
:
0.1IJV-32 mV
Measuring range
:
0-100%
(-127 to -17 dBm)
External speaker Impedance
:
an
Distortion meter Frequency range : 1 kHz±10%
Max. Input power :
5W
Measuring range
:
1-100%
Oscilloscope Frequency range : DC-20 MHz
Measuring range
:
0.01-10V
.CONNECTION
Attenuator
50
or60 dB
Spectrum
analyzer
Modulation
analyzer
FM deviation
meter
Frequency counter
AC
millivoltmeter
Speaker
RF power meter
200 W/50 n
,------10 0
o 0
to [EXT SP]
to [DC13.8V]
to [MIC]
DC power supply
13.8 V/30 A
• Microphone connector
(Rear panel view)
Pin 5GND
(Microphone
ground)
Pin 6
MIC INPUT
Keyer
to [ELEC
KEY]
Standard signal
generator
CAUTION:
IC-706
DO NOT connect the
signal generator while
transmitting.
4 -1