Section S
Test Equipment
S.1 Introduction
This appendix contains a list of the test equipment recommended
to perform general maintenance and troubleshooting on the
DX-10 AM TRANSMITTER.
S.1.1
Basic Test Equipment
This list includes the test equipment that should be available to
perform most of the basic maintenance and troubleshooting
functions of the DX-10.
• An oscilloscope with 15MHz or higher bandwidth, and
X10 probes.
• A VOM or DVM with an ohmmeter battery voltage be-
tween 3 and 18V
• A low distortion sinewave audio generator
• A noise/distortion meter
The following is a list of additional test equipment required to
perform any troubleshooting functions and most maintenance
procedures short of a frequency change.
• Digital Voltmeter Ohmmeter
• Audio function generator capable of producing non-symet-
rical ramp and triangle modulation.
• RF impedance bridge or Vector impedance meter
• RF generator capable of frequencies up to 3 X the transmit-
ter carrier frequency.
• Frequency counter
03/16/2009 888-2247-006 S-1
WARNING: Disconnect primary power prior to servicing.
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