Maintenance; Precautions; Periodic Inspection; Fuse Replacement - Galaxy DX 959 Service Manual

DX 959

5.0 PRECAUTIONS

The inherent quality of the solid-state components used in this transceiver will provide many years
of continuous use. Taking the following precautions will prevent damage to the transceiver.
(i) Never key the transmitter unless an antenna or suitable dummy load is connected to the antenna
receptacle.
(ii) Ensure that the input voltage does not exceed 16 VDC or fall below 11 VDC.
(iii) During alignment, do not transmit for more than 10 seconds at a time. Transmitting over long
periods can cause heat built-up and cause transmitter damage.

5.1 PERIODIC INSPECTION

This unit is aligned at the factory to deliver maximum performance. However, continued
performance cannot be expected without periodic inspection and maintenance. Important points to
be checked regularly are as follows;
Check Item
Whip
(option)
Coaxial cable
Coaxial & power
plug connections
Battery connection
Ground terminal

5.2 FUSE REPLACEMENT

To protect the equipment from serious damage, one fuse are provided on the power supply lines.
The fuses protect against overvoltage / reverse polarity of the vehicle's mains or internal fault of the
equipment. If the fuse has blown, first find out the cause of the trouble before replacing it. A fuse
rated for more than 4A should not be used, since it may permanently damage the equipment.
Damage due to overfusing is not covered by the warranty.
Action
antenna If cracked or broken, replace it.
If sheath is cracked, seal with
vinyl tape. If immersed with
water, install new coaxial cable.
If loosened,
corroded, clean contacts.
If corroded,
terminals.
If corroded, clean terminal.
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MAINTENANCE

reconnect. If
clean power