Maintenance And Adjustment; Measuring Instruments Required For Adjustment - Icom IC-730 Maintenance Manual

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SECTION 8 MAINTENANCE AND ADJUSTMENT
8·1 MEASURING INSTRUMENTS REQUIRED FOR ADJUSTMENT
(1) FREQUENCY COUNTER FREQUENCY RANGE 0.1 - 90MHz
ACCURACY BETTER THAN ±1 ppm
SENSITIVITY 100mV or BETTER
(2) SIGNAL GENERATOR
FREQUENCY RANGE 0.1 MHz - 40MHz
OUTPUT VOLTAGE -20 - 90dB (OdB = 1J.1V)
(3) MULTIMETER 50KilNOL T OR BETTER
(4) AC MILLIVOLTMETER
MEASURING RANGE 10mV - 2V
(5) RF VOLTMETER
FREQUENCY RANGE 0.1 - 80MHz
MEASURING RANGE 0.01 - 10V
(~)
RF WATTMETER (Terminal Type) MEASURING RANGE 20 - 200 Watts
FREQVENCY RANGE 1.8 - 30MHz
IMPEDANCE
50
OHMS
SWR LESS THAN 1.1
(7) AF OSCILLATOR OUTPUT FREQUENCY
200 - 3000Hz
OUTPUT VOLTAGE
o -
100mV
(8) OSCI LLOSCOPE
FREQUENCY RANGE
DC"'" 20MHz
MEASURING RANGE
0.01 - 10V
(9) NOISE GENERATOR
(Generates ingnition-like noise containing harmonics beyond 3OMHz.1
NOTE: indicates an adjusting or instrument connecting point.
indicates an instrument connecting point and its readings.
These also are used in the board layout and schematic diagrams.
8-1
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