Icom IC-A20MK II Service Manual page 21

SECTION 6 ADJUSTMENT PROCEDURES
6-1 PREPARATION BEFORE SERVICING
₪ REQUIRED TEST EQUIPMENT
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE
DC power supply Output voltage :13.2 V DC Oscilloscope Frequency range : DC-20 MHz
Current capacity :2 A or more
Input impedance |: 50 kQ/DC or better
RF power meter
AC millivoltmeter Measuring range : 10 mV-10 V
Frequency counter
Measuring range : 1-10W
Frequency range : 100-180 MHz
Impedance :50Q
SWR : Less than 1.2 1
Frequency range : 0.1~180 MHz
Frequency accuracy: + 1 ppm or better
Sensitivity : 100 mV or better
Frequency range : 0.1-180 MHz
External speaker Impedance :8Q і
Measuring range 200 mA
Audio generator (АС) | Frequency range : 200-2000Hz
Output level : 1-200 mV
Output level : 0.1 pV~32 mV Attenuator Power attenuation : 40 or 50 dB
)- 127- – 17 dBm) Capacity : 10 W or more
Distortion meter Frequency range :1 kHz + 10 Hz Modulation analyzer | Frequency minimum: 180 MHz
Measuring range :1-20 96 Measuring range : 0-100%
CW : clockwise CCW : counterclockwise СР: check point
Standard signal
generator (SSG)
₪ CONNECTION
generator
CAUTION :
DO NOT connect the
signal generator while
transmitting.
to [13.8V DC IN]
DC power supply
AC millivoltmeter
Distortion meter
Oscilloscope
External
speaker
to [MIC]
to the antenna connector
1C-A20MKII