Icom IC-FR3000 Series, Service Manual

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4 - 1
4-1 PREPARATION
Some adjustments must be performed on the “ADJUSTMENT MODE”. Refer to the next page in detail.
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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 : 13.6 V DC
Current capacity : 25 A or more
Measuring range : 1–100 W
Frequency range : 100–300 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)
AC millivoltmeter
Oscilloscope
FM deviation meter
GRADE AND RANGE
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Power attenuation : 40 or 50 dB
Capacity : 100 W or more
Frequency range : 120–600 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Measuring range : 10 mV–10 V
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Frequency range : 30–600 MHz
Measuring range : 10 mV–10 V
RF power mater
1–100 W / 50
Ω
Attenuator
40 dB or 50dB
FM deviation meter
(DC measurable)
Oscilloscorp
DC power supply
13.6V / 25A
Standard signal
generator
–127 to –17 dBm
Frequency
counter
+
.
pin 6 (MIC)
pin 4 (PTT)
pin 7 (GND)
pin 5 (MICE)
Audio generator
300 Hz to 3 kHz
[TX]
[RX]
[BATTERY]
[MIC]
[SP]
• CONNECTION
Distortion meter
AC millivoltmeter