Icom IC-910H - Section 4 Circuit Description; Section 3 Disassembly and Option Instructions; IC-910 H; Adjustment Procedures

SECTION 5 ADJUSTMENT PROCEDURES
5 - 1
4-1 PREPARATION BEFORE SARVICING
■ REQUIRED TEST EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
RF voltmeter
FM deviation meter
Distortion meter
Oscilloscope
Digital multimeter
Audio generator
Standard signal
generator (SSG)
AC millivoltmeter
DC voltmeter
DC ammeter
Spectram analyzer
Attenuator
External speaker
Terminator
EQUIPMENT GREDE AND RANGE EQUIPMENT GREDE AND RENGE
Output voltage : 13.8 V DC
Current capacity : 30 A or more
Measuring range : 1–150 W
Frequency range : 120–1500 MHz
Impedance : 50 Ω
SWR : Less than 1.2 : 1
Frequency range : 0.1–100 MHz
Frequency accuracy : ±0.5 ppm or better
Sensitivity : 100 mV or better
Frequency range : 0.1–500 MHz
Measuring range : 0.01–10 V
Frequency range : DC–500 MHz
Measuring range : 0 to ±5 kHz
Frequency range : 1 kHz ±10 %
Measuring range : 1–100 %
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Imput impeadance : 10 MΩ/DC or beter
Frequency range : 300–3000 Hz
Measuring range : 1–500 mV
Frequency range : 0.1–1500 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Measuring range : 10 mV–10 V
Input impedance :
50 kΩ/V DC or better
Measurement capability: 1 A/30 A
Frequency range : At least 150 MHz
Spectraum bandwidth : 100 kHz or more
Power attenuation : 50 or 60 dB
Capacity : 150 W or more
Input impedance : 8 Ω
Capacity : 5 W or more
Resistance : 50 and 150 Ω
Capacity : 150 W or more
‘‘
CONNECTIONS
FM deviation meter
RF power meter
Spectrum analyzer
Attenuator
Distortion meter
DC power supply Ammeter
Standard signal
generator
to the antenna connector
to [DC 13.8 V]
to [EXT SP]
Speaker
Audio generator
PTT
,
.
[MIC]
CAUTION !
DO NOT transmit while an SSG is
connected to the antenna connector.
CAUTION !
When [P.AMP] switch is turned ON,
DC voltage is applied to the antenna
connector. This may damege the
signal generator.
TERMINATOR for software
adjustment (page 5-12).
2-conductor 3.5 (d) mm (1/8")
Shouten inner and outer plugs.
JIG cable (A)
2.2 k
JIG cable (A)
2.2 k
JIG cable (B)
2.2 k
+9 V
IC-910H