Icom IC-M802, Руководство по обслуживанию

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4 - 1
4-1 PREPARATION
When adjusting the contents on page 4-9, a JIG CABLE (see illustration as shown below) is required.
Some adjustments must be performed on the “ADJUSTMENT MODE”. Entering the “ADJUSTMENT MODE”, see the next page.
■
REQUIRED TEST EQUIPMENT
SECTION 4 ADJUSTMENT PROCEDURES
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
Digital multimeter
GRADE AND RANGE
Output voltage : 7.2 V DC
Current capacity : 5 A or more
Measuring range : 1–10 W
Frequency range : 300–600 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 : DC–600 MHz
Measuring range : 0 to ±5 kHz
Input impedance : 10 M
Ω
/V DC or better
EQUIPMENT
Audio generator
Attenuator
Standard signal
generator (SSG)
DC voltmeter
Oscilloscope
AC millivoltmeter
GRADE AND RANGE
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Power attenuation : 40 or 50 dB
Capacity : 10 W or more
Frequency range : 120–600 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Input impedance : 50 k
Ω
/V DC or better
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Measuring range : 10 mV–10 V
to [SP]
PTT
to [CONTROLLER]
[MIC] connector
to antenna connector 1/2 to antenna connector 1
Speaker
6
5
4
2
3
8
7
1
Modulation analyzer
Distortion meter
Standard signal
generator
CAUTION!
DO NOT transmit while
an SSG is connected to
the antenna connector 1.
DC power supply Ammeter
Attenuator
Spectrum scope
Audio
generator
15 k‰
+ _
RF power meter
• CONNECTION