Icom IC-T70A Service Manual

5 - 1
SECTION 5
.
. ADJUSTMENT PROCEDURE
¤ JIG CABLES
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE
DC cable OPC–254L (Optional product) JIG cable See the page 5-1.
RF power meter
(50
:
terminated)
Measuring range : 0.1–10 W
Frequency range : 100–600 MHz
SWR : Less than 1.2 : 1
Frequency counter
Frequency range : 0.1–600 MHz
Frequency accuracy : ±1 ppm or better
Input level : Less than 1 mW
Modulation
analyzer
Frequency range : 30–600 MHz
Measuring range : 0 to ±10 kHz
Standard signal
generator (SSG)
Frequency range : 0.1–600 MHz
Output level : –20 dBμ to 90 dBμ
(–127 to –17 dBm)
AC millivoltmeter Measuring range : 10 mV to 10 V
Ammeter Measuring range : 10 mA to 3 A Attenuator
Power attenuation : 30 dB
Capacity : More than 6.0 W
Audio generator
(AG)
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Voltage meter Measuring range : 5–20 V
¤ REQUIRED EQUIPMENTS
5-1 PREPARATION
SETTING;
Frequency : 1 kHz
Level : 150 mVrms
Waveform : Sine wave
3-conductor 2.5 (d) mm
• JIG CABLE #1
• JIG CABLE #2
plug
(MIC)
(GND)
+−
AC
MILLIVOLTMETER
(10 mV to 10 V)
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+−
+
4.7 μF
3-conductor 3.5 (d) mm plug
(REMOTE)
(SP)
(GND)
82 kΩ
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Icom IC-T70A Specifications

General

Operating frequency	144 – 148, 440 – 450 MHz
Display type	LCD
Backlight display	Yes
Antenna connector type	FA-S270C
Number of antenna connectors	1
Battery type	BP-265
Product color	Black
Operating temperature (T-T)	-20 - 60 °C
Number of batteries included	1 pc(s)

Weight and Dimensions

Depth	30 mm
Width	58 mm
Height	111 mm
Weight	380 g