Section 5 Adjustment Procedure; Preparation - Icom IC-80AD Service Manual

SECTION 5.

5-1 PREPARATION

¤ REQUIRED INSTRUMENTS
INSTRUMENTS
• OPC-254L (Optional product)
DC Cables
• Connects to battery terminals
Output voltages
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
Input level
Frequency range
Modulation
Analyzer
Measuring range
M JIG CABLES
To [MIC] jack To [SP] jack
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ADJUSTMENT PROCEDURE
SPECIFICATION
: 13.5 V DC
7.4 V DC
5.0 V DC
: More than 3 A
: 0.1–10 W
: 100–500 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–600 MHz
: Less than 1 mW
: 30–600 MHz
: 0 to ±10 kHz
(GND)
[MIC]
3-conductor 2.5 (d) mm
(MIC)
(GND)
[SP]
3-conductor 3.5 (d) mm plug
(CLONE)
INSTRUMENTS
JIG cables (See the illust below)
Input impedance
Multimeter
Measuring range
Frequency range
Standard Signal
Output level
Generator (SSG)
AC Millivoltmeter Measuring range
Power attenuation : 30 dB
Attenuator
Capacity
Frequency range
Audio Generator
Output level
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
PTT
plug
33 k
+
4.7 µF
68 kΩ
5 - 1
SPECIFICATION
: 50 kΩ
: 0.1–10V/0.01–5 A
: 0.1–1200 MHz
: –20 to 90 dBµ
(–127 to 90 dBm)
: 10 mV to 10 V
: More than 10 W
: 300–3000 Hz
: 1–500 mV
AC
MILLIVOLTMETER
(10 mV to 10 V)
+ −
+ −