Icom IC-775 - Preparation before Servicing

SECTION
5
ADJUSTMENT
PROCEDURES
5-1
PREPARATION
BEFORE SERVICING
REQUIRED
TEST
EQUIPMENT
EQUIPMENT
GRADE
AND RANGE EQUIPMENT
GRADE AND
RANGE
RF power meter
(terminated type)
Measuring range
Frequency range
Impedance
SWR
10-300
W
1.8-30 MHz
50
Q
Less than
1.2 :
1
AC millivoltmeter
Measuring range : 1
0
mV
-
1 0
V
DC voltmeter
Input impedance :
50
k£2/DC or
better
Ammeter
Measurement capability : 1 A and 30
A
Frequency
counter Frequency
range
Frequency
accuracy
Sensitivity
0.1
-100 MHz
±1
ppm or better
1
00
mV or berrer
Audio generator
Frequency range
Output level
300-3000 Hz
1-500 mV
Attenuator Power
attenuation
Capacity
50
or
60
dB
150 W or more
RF voltmeter
Frequency range
Measuring range
0.1
-100
MHz
0.01-10
V
Spectrum analyzer
Frequency range
Spectrum bandwidth
At least 90
MHz
±100
kHz or more
Digital multimeter
Input impedance
1
0
MQ/DC or better
Standard signal
generator
(SSG)
Frequency range
Output level
0.1
-100 MHz
0.1
pV-32mV
(-127 to -17 dBm)
FM deviation meter
Frequency range
Measuring range
At least
30
MHz
0
to
±10 kHz
Modulation analyzer Frequency
range
Measuring range
At least
30
MHz
0-100%
Distortion meter
Frequency range
Measuring range
1 kHz ±10%
1-100%
External
speaker Impedance
Max. input power
80
5
W
Oscilloscope
Frequency
range
Measuring range
DC -100 MHz
0.01-10 V
Terminator
Resistance
Capacity
50
and 1
50
O
150
W or
more
CONNECTION
5-1