Adjustment Procedure; Instruments Required For Adjustment; Jig Cable; Preparation - Icom ID-880H Service Manual

SECTION 5.

5-1 PREPARATION

¤ REQUIRED INSTRUMENTS
INSTRUMENTS
DC Cable (Supplied with transceiver)
Output voltages
Power Supply
Current capacity
Measuring range
RF Power Meter
(terminated type)
Frequency range
Impedance
SWR
Frequency range
Frequency counter Frequency accuracy : ±0.1 ppm or better
Input level
Frequency range
Modulation
Analyzer
Measuring range
M JIG CABLE
To [MICROPHONE CONNECTOR]

ADJUSTMENT PROCEDURE

SPECIFIDATION
: 13.8 V DC
and 12.0 V DC
: More than 15 A
: 0.1–60 W
Except [TPE]
0.1–30 W [TPE]
: 100–600 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–600 MHz
: Less than 1 mW
: 30–600 MHz
: 0 to ±10 kHz
8-pin modular jack
iuytrew
q 8V
w
MICU/D
e
EXTMIC
r
PTT
t
MICE
y
MIC
u
GND
i
MICIN
INSTRUMENTS

JIG cable

(See the illust below)
Input impedance
Multimeter
Measuring range
Frequency range
Standard Signal
Output level
Generator (SSG)
Terminator Impedance
AC Millivoltmeter Measuring range
Power attenuation : 40 dB
Attenuator
Capacity
Frequency range
Audio generator
Output level
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+ −
q
y (MIC)
t (MICE)
22 kΩ
w (MICU/D)
u (GND)
r (PTT)
u (GND)
5 - 1
SPECIFIDATION
: 50 kΩ
: 0.1–20V/0.01–5 A
: 0.1–1200 MHz
: 0.04 µV to 32 mV
(–28 dBu to 90 dBu)
: 50 Ω
: 10 mV to 10 V
: More than 100 W
: 300–3000 Hz
: 1–500 mV
AC MILLIVOLTMETER
(10 mV to 10 V)
+ −
PTT