Adjustment Procedures; Preparation - Icom IC-M35 Service Manual

SECTION 5.

5-1 PREPARATION

¤ REQUIRED EQUIPMENTS
EQUIPMENT
Adjustment software CS-M36/35
Measuring range
RF power meter
Frequency range
(50 Ω terminated)
SWR
Frequency range
Frequency counter Frequency accuracy : ±1 ppm or better
Input level
Frequency range
Standard signal
Output level
generator (SSG)
¤ JIG CABLE
OPC-478/U/UC
ADJUSTMENT PROCEDURE
GRADE AND RANGE
(Revision 1.0 or later)
ADJ
: 0.1–10 W
: 100–300 MHz
: Less than 1.2 : 1
: 0.1–300 MHz
: Less than 1 mW
: 0.1–300 MHz
: 0.1 mV to 32 mV
(–127 to –17 dBm)
EXT. SPEAKER
(1 W/8 Ω)
− +
4.7 µF
33 k
47 µF
(MIC line)
RED (AFOUT)
(SP line)
BLUE (CLONE)
(CLONE line)
EQUIPMENT
• OPC-478 or OPC-478UC
JIG cable • Modifi ed OPC-1668
Audio generator Frequency range
(AG) Output level
Modulation Frequency range
Analyzer Measuring range
AC millivoltmeter Measuring range
Power attenuation
Attenuator
Capacity
Impedance
Speaker
Capacity
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
AC
MILLIVOLT METER
(10 mV to 10 V)
PTT
Ω
+ −
WHITE (MIC)
OPC-1668
(Parts No.: 8900016260)
SHIELD (GND)
5 - 1
GRADE AND RANGE
(See the illust below)
: 300–3000 Hz
: 1–500 mV
: 30–300 MHz
: 0 to ±10 kHz
: 10 mV to 10 V
: 30 dB
: More than 10 W
: 50 Ω
: More than 1 W
SETTING;
Frequency : 1 kHz
Level
+ −
Waveform : Sine wave
To the transceiver
: 25 mVrms