Adjustment Procedures; Preparation Before Servicing - Icom IC-A200 Service Manual

SECTION 6

6-1 PREPARATION BEFORE SERVICING

REQUIRED TEST EQUIPMENTS
EQUIPMENT
Output voltage
DC power supply
Current capacity
Measuring range
Frequency range
RF power meter
Impedance
SWR
Frequency range
Frequency
Frequency accuracy : ±1 ppm or better
counter
Sensitivity
Frequency range
Standard signal
Output Level
generator (SSG)
Frequency range
Distortion meter
Measuring range
CONNECTION
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ADJUSTMENT PROCEDURES

GRADE AND RANGE
: 13.2 V DC
: 2 A or more
: 1–10W
: 100–180 MHz
: 500
: Less than 1.2:1
: 0.1–180 MHz
: 100 mV or better
: 0.1–180 MHz
: 0.1 µV–32 mV
(−127 to −17 dBm)
: 1 kHz ±10 Hz
: 1–20%
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EQUIPMENT
Oscilloscope Frequency range
DC voltmeter Input impedance
AC millivoltmeter Measuring range
External speaker Impedance
Ammeter Measuring range
Audio generator Frequency range
(AG) Output level
Power attenuation
Attenuator
Capacity
Modulation Frequency minimum : 180 MHz
analyzer Measuring range
CW: clockwise CCW: counterclockwise
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6 - 1
GRADE AND RANGE
: DC–20 MHz
: 50 kΩ/DC or better
: 10 mV to 10 V
: 8 Ω
: 200 mA
: 200–2000 Hz
: 1–200 mV
: 40 or 50 dB
: 10 W or more
: 0–100%
CP: check point
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