Adjustment Procedures; Preparation - Icom IC-A110 Service Manual

SECTION 4 ADJUSTMENT PROCEDURES

4-1 PREPARATION

• Some versions may need the optional CS-A110
adjustment frequency.
• All adjustments must be performed on the [Wide] mode.
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
Modulation analyzer
Measuring range
Frequency range
Distortion meter
Measuring range
External speaker Impedance
VFO CHANNEL ID LIST
• Channel spacing: 8.33/25 kHz [USA/USA-1]
Operating Freq. Channel spacing
(MHz)
118.0000
118.0000
118.0083
118.0167
118.0250
118.0250
118.0333
118.0417
118.0500
118.0500
118.0583
118.0667
118.0750
118.0750
118.0833
118.0917
118.1000
118.1000
etc
CLONING SOFTWARE
GRADE AND RANGE
: 13.75 V DC
: 10 A or more
: 1–50 W
: 50–300 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–300 MHz
: 100 mV or better
: DC–300 MHz
: 0 to 100 %
: 1 kHz±10 %
: 1 to 100 %
: 8 Ω
Channel ID
(kHz) (Displayed Freq.)
25 118.000
8.33 118.005
8.33 118.010
8.33 118.015
25 118.020
8.33 118.030
8.33 118.035
8.33 118.040
25 118.050
8.33 118.055
8.33 118.060
8.33 118.065
25 118.070
8.33 118.080
8.33 118.085
8.33 118.090
25 118.100
8.33 118.105
and OPC-478, OPC-592
EQUIPMENT
DC voltmeter Input impedance
Digital multimeter Input impedance
Frequency range
Audio generator
Measuring range
Frequency range
Standard signal
Output level
generator (SSG)
AC millivoltmeter Measuring range
Power attenuation
Attenuator
Capacity
Impedance
Terminator
Capacity
• Channel spacing: 25 kHz [GEN/GEN-1]
Operating Freq.
(MHz)
118.0000
118.0250
118.0500
118.0750
118.1000
etc
4 - 1
for setting the
CLONING CABLE
GRADE AND RANGE
: 50 kΩ/V DC or better
: 10 MΩ/V DC or better
: 300–3000 Hz
: 1–500 mV
: 0.1–300 MHz
: 0.1 µV–32 mV
(–127 to –17 dBm)
: 10 mV–10 V
: 40 or 50 dB
: 50 W or more
: 50 Ω
: 50 W or more
Channel spacing Channel ID
(kHz) (Displayed Freq.)
25 118.000
25 118.025
25 118.050
25 118.075
25 118.100