Icom IC-2800, Руководство по обслуживанию

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5 - 1
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION
All adjustments in this section must be performed on wide bandwidth condition unless specified otherwise.
(Narrow bandwidth is selectable for Europe and Italy vertions only.)
‘ ‘ REQUIRED TEST EQUIPMENT
‘ ‘ CONNECTION
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
DC voltmeter
GRADE AND RANGE
Output voltage : 13.8 V DC
Current capacity : 20 A or more
Measuring range : 1–80 W
Frequency range : 100–600 MHz
Impedance : 50
Ω
SWR : Less than 1.2 : 1
Frequency range : 0.1–600 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity
: 100 mV or better
Frequency range : 30–600 MHz
Measuring range : 0 to ±10 kHz
Input impedance : 50 k
Ω
/V DC or better
EQUIPMENT
Audio generator
Standard signal
generator (SSG)
Oscilloscope
AC millivoltmeter
External speaker
Attenuator
GRADE AND RANGE
Frequency range : 300–3000 Hz
Measuring range : 1–500 mV
Frequency range : 0.1–600 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Measuring range : 10 mV–10 V
Input impedance : 8
Ω
Capacity : 4 W or more
Power attenuation : 50 or 60 dB
Capacity : 100 W or more
+
.
pin 6 (MIC)
pin 4 (PTT)
pin 7 (GND)
pin 5 (MICE)
to the antenna connector
to the microphone connector
STANDARD SIGNAL GENERATOR
0.1–600 MHz
–127 to –17 dBm (0.1
µ
V to 32 mV)
RF POWER METER
50
Ω
, 1–80 W
AUDIO GENERATOR
300 Hz to 3 kHz
FM DEVIATION
METER
ATTENUATOR
50 dB or 60 dB
POWER SUPPLY
13.8 V, 20 A or more
CAUTION!
DO NOT transmit
while an SSG is
connected to the
antenna connector.
Controller unit