Adjustment Procedures; Preparation - Icom IC-FR3000 Service Manual

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION

When adjusting the contents on page 4-7, a JIG CABLE is required.
Some adjustments must be performed on the "ADJUSTMENT MODE". Refer to the next page in detail.
I REQUIRED TEST EQUIPMENT
EQUIPMENT
Output voltage
DC power supply
Current capacity
Measuring range
RF power meter Frequency range
(terminated type) Impedance
SWR
Frequency range
Frequency counter
Frequency accuracy : ±1 ppm or better
Sensitivity
Frequency range
FM deviation meter
Measuring range
Digital multimeter Input impedance
• CONNECTION
Distortion meter
Standard signal
generator
DC power supply
13.6V / 25A
[BATTERY]
GRADE AND RANGE
: 13.6 V DC
: 25 A or more
: 1–100 W
: 300–600 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–600 MHz
: 100 mV or better
: DC–600 MHz
: 0 to ±5 kHz
: 10 MΩ/V DC or better
[RX]
[SP]
[MIC]
EQUIPMENT
Frequency range
Audio generator
Output level
Power attenuation
Attenuator
Capacity
Frequency range
Standard signal
Output level
generator (SSG)
AC millivoltmeter
Measuring range
Frequency range
Oscilloscope
Measuring range
FM deviation meter
Frequency range
Measuring range
RF power mater
100 W / 50 Ω
Attenuator
Frequency
counter
[TX]
4 - 1
GRADE AND RANGE
: 300–3000 Hz
: 1–500 mV
: 40 or 50 dB
: 100 W or more
: 120–600 MHz
: 0.1 µV–32 mV
(–127 to –17 dBm)
: 10 mV–10 V
: DC–20 MHz
: 0.01–20 V
: 30–600 MHz
: 10 mV–10 V
FM deviation
Oscilloscorp
meter
AC millivoltmeter
.
Audio generator
300 Hz to 3 kHz
+
pin 7 (GND)
pin 4 (PTT)