Adjustment Procedure; Preparation - Icom IC-M803 Service Manual

SECTION 5

5-1 PREPARATION

 REQUIRED EQUIPMENT
EQUIPMENT
Output voltage:
DC power supply #1
Current capacity: 30 A or more
Output voltage:
DC power supply #2
Current capacity: 1 mA or more
Measuring range: 1 ~ 150 W
RF power meter
Frequency range: 0.1 ~ 30 MHz
(50 Ω terminated)
SWR:
Audio generator Frequency range: 300 ~ 3000 Hz
(AG) Output level:
 CONNECTIONS
MICROPHONE
HM-214H
AC Audio
millivoltmeter generator
MICE
MIC
[MIC]
RF POWER METER
(150 W/50 Ω)
DUMMY LOAD
(100 Ω/150 W)
Used for SWR meter adjustments. (VSWR 2:1)

ADJUSTMENT PROCEDURE

GRADE AND RANGE
13.6 V ±15%
3.0 V
Less than 1.2 : 1
1 ~ 500 mV
IC-M803's CONTROLLER
Remote Control cable
[MIC]
NEVER TRANSMIT while the SSG is connected.
EQUIPMENT
AC millivoltmeter
Digital multimeter
Standard signal
generator (SSG)
Dummy Load
To [MAIN UNIT]
To [CONTROLLER]
Rear panel view
To [ANT] To [DSC ANT]
STANDARD SIGNAL GENERATOR
5-1
GRADE AND RANGE
Measuring range: 10 mV to 10 V
μ
Measuring range: 0.1
Frequency range: 0.1 ~ 30.000000 MHz
Output level: −20 to 100 dBμ
(−127 to −7 dBm)
Impedance: 100 Ω (VSWR 2:1)
Capacity: More than 150 W
IC-M803's MAIN UNIT
DC POWER SUPPLY #1
To [DC 13.6 V]
Red
Black
(0.1~30.000000 MHz)
1 m
A to A
(13.6 V/30 A)