SECTION 6 ADJUSTMENT PROCEDURES
6-1 PREPARATION BEFORE SERVICING
REQUIRED TEST EQUIPMENTS
EQUIPMENT GRADE AND RANGE
DC power supply
Output voltage : 13.2 V DC
Current capacity : 2 A or more
RF power meter
Measuring range : 1–10W
Frequency range : 100–180 MHz
Impedance : 500
SWR : Less than 1.2:1
Frequency
counter
Frequency range : 0.1–180 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity : 100 mV or better
Standard signal
generator (SSG)
Frequency range : 0.1–180 MHz
Output Level : 0.1 µV–32 mV
(−127 to −17 dBm)
Distortion meter
Frequency range : 1 kHz ±10 Hz
Measuring range : 1–20%
EQUIPMENT GRADE AND RANGE
Oscilloscope Frequency range : DC–20 MHz
DC voltmeter Input impedance : 50 kΩ/DC or better
AC millivoltmeter Measuring range : 10 mV to 10 V
External speaker Impedance : 8
Ω
Ammeter Measuring range : 200 mA
Audio generator
(AG)
Frequency range : 200–2000 Hz
Output level : 1–200 mV
Attenuator
Power attenuation : 40 or 50 dB
Capacity : 10 W or more
Modulation
analyzer
Frequency minimum : 180 MHz
Measuring range : 0–100%
CW: clockwise CCW: counterclockwise CP: check point
CONNECTION
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