Section 5 Adjustment Procedures; Preparation Before Servicing - Icom IC-2710H Service Manual

SECTION 5

5-1 PREPARATION BEFORE SERVICING

•
REQUIRED TEST EQUIPMENT
EQU IPMENT
DC power supply Output voltage
Current capacity
RF power meter Measuring range
(terminated type) Frequency range
Input impedance
SWR
Frequency Frequency range
Frequency accuracy : ± 1 ppm or better
counter
Sensitivity
Oscilloscope Frequency range
Output range
•
CONNECTIONS
Standard signal
generator
CAUTION:
DO NOT transmit while
a signal generator is
connected.
ADJUSTMENT PROCEDURES
GRADE AND RANGE
: 13.8 V DC
: 20 A or more
: 1-80 w
: 100-500 MHz
: SO Q
: 1 .2 : 1 or better
: 100-470 MHz
: 100 mV or better
v
: DC-20 MHz
: 0.01-20
CJ
EQUIPMENT
,
Standard signal Frequency range
generator (SSG) Output level
lmput impedance : SO kQ NDC
DC voltmeter
Audio generator Frequency range
(AG) Measuring range
Attenuator Attenuation
Capacity
FM deviation Frequency range
meter Measuring range
Attenuator
50 dB or more
5 1
-
GRADE AND RANGE
: 100-470 MHz
: - 1 29 to - 1 7 dBm
(0.079 µV to 132 mV)
or better
: 300-3000 Hz
: 1-500 mV
: 50 dB or more
: 75 W or more
: 100-470 MHz
: O to ±10 kHz
RF power meter
75 WI so Q
FM deviation
meter
DC power supply
13.8 VI 20 A
Audio
8 generator
to mic.
connector