Adjustment Procedures; Preparation - Icom IC-E7 Service Manual

SECTION 5

5-1 PREPARATION

When adjusting IC-E7, these test equipments and the JIG cable (see the illust below) are required.
¤ REQUIRED TEST EQUIPMENTS
EQUIPMENT
Measuring range
Frequency range
RF power meter
(terminated type)
Impedance
SWR
Frequency range
Frequency counter Frequency accuracy : ±1 ppm or better
Sensitivity
Frequency range
FM deviation meter
Measuring range
Frequency range
Audio generator Output level
¤ CONNECTION

ADJUSTMENT PROCEDURES

GRADE AND RANGE
: 0.1–3 W
: 100–500 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–500 MHz
: 100 mV or better
: 30–500 MHz
: 0 to ±10 kHz
: 300–3000 Hz
: 1–500 mV
(–47 to 7 dBm)
EQUIPMENT
Frequency range : 0.1–1300 MHz
Standard signal
Output level
generator (SSG)
Frequency range : DC–20 MHz
Oscilloscope
Measuring range : 0.01–20 V
AC millivoltmeter Measuring range : 10 mV to 10 V
Input impedance : 8 Ω
External speaker
Capacity
Power attenuation : 20 or 30 dB
Attenuator
Capacity
5 - 1
GRADE AND RANGE
: 0.1 µV to 32 mV
(–127 to –17 dBm)
: More than 50 mW
: More than 3 W