Adjustment Procedures; Preparation - Icom IC-FR3000 Service Manual

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION

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
–127 to –17 dBm
DC power supply
13.6V / 25A
[BATTERY]
GRADE AND RANGE
: 13.6 V DC
: 25 A or more
: 1–100 W
: 100–300 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
1–100 W / 50 Ω
Attenuator
40 dB or 50dB
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 meter
Oscilloscorp
(DC measurable)
AC millivoltmeter
.
Audio generator
300 Hz to 3 kHz
+
pin 7 (GND)
pin 4 (PTT)