Adjustment Procedures; Preparation - Icom IC-9100 Service Manual

SECTION 4.

4-1 PREPARATION

¤ REQUIRED EQUIPMENTS
EQUIPMENT
Modifi ed 3.5 mm (1/8'') monoral plug
Short plug
RF voltmeter Measuring range
(50 Ω terminated)
Frequency range
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)
CAUTION!: SAVE the originally programmed contents (Memory channel contents, set mode settings, etc.), before starting
adjustment. When all adjustments are completed, these contents in the transceiver may be cleared.
¤ GENERAL CONNECTION AND UNIT LOCATION
Audio
AC millvolt
meter generator
[MIC]
AC MILLIVOLT METER
(10 mV to 10 V)
–
EXT. SPEAKER
(2 W/8 Ω)
–
DC power supply
(13.8 V/30 A)
−
⊕
Fuses
30 A
Supplied DC cable
NEVER TRANSMIT while an SSG is connected.
ADJUSTMENT PROCEDURE
GRADE AND RANGE
(Short)
: 20–200 mV
: 0.1–600 MHz
: 5–120 W
: 0.1–600 MHz
: Less than 1.2 : 1
: 0.1–600 MHz
: Less than 1 mW
: 0.1–600 MHz
: 0.1 mV to 32 mV
(–127 to –17 dBm)
<Viewing from the BOTTOM side>
[MIC]
MAIN UNIT
PLL
UNIT
PTT
[EXT-SP] [REMOTE]
+
+
3.5(d) mm monoral plug
AMMETER
(0.1–30 A)
⊕
−
⊕
Red
Red
−
Black
EQUIPMENT
Audio generator
(AG)
AC Millivoltmeter
Digital multimeter
External speaker
Spectrum Analyzer
Dummy Loads
RF-A
UNIT
CTRL
UNIT
[ANT1]/[ANT2]/
[144 MHz]/[430MHz]
RF POWER METER
[DC 13.8V]
DUMMY LOAD
(50 Ω/120 W)
ATTENUATOR
(40/50 dB/100 W)
−
Black
STANDARD SIGNAL GENERATOR
4 - 1
GRADE AND RANGE
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Measuring range : 10 mV to 10 V
Measuring range : 0–10 V (Voltage)
1–30 A (Current)
Input impedance : More than 50 kΩ
Input impedance : 8 Ω
Capacity : More than 2 W
Frequency range : At least 90 MHz
Bandwidth : 100 kHz
: 50 Ω and 100 Ω/120 W
Impedance
<Viewing from the TOP side>
RF-B UNIT
PA-A
UNIT
PA-B UNIT
(120 W/50 Ω)
FREQUENCY COUNTER
(0.1–1 GHz)
(0.1–60 MHz)