MRC DRS4000, Руководство пользователя и техническое руководство

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Troubleshooting 3-2 DRS4000 Receiver User and Technical Manual
3.2 Video Problems
The following table describes video problems.
Table 3-1: Video Problems
Problem Possible Cause Suggested Actions
No video
• Loose or disconnected UHF cables at
receiver.
• Loose cable at camera or transmitter.
• Receiver set to the wrong RF band,
channel, or other setting.
• Wrong preset is selected.
• All the antennas or BDCs are
disconnected or damaged.
• Power cable for receiver is loose or
disconnected.
• No power or insufficient power to
receiver.
• Fuses are blown.
• Verify that all UHF cables are securely
fastened to BDC connectors at rear of
receiver.
• Verify that all camera and transmitter
cables are securely fastened.
• Verify the transmitter’s settings and
compare them to the receiver’s
settings. Correct any settings as
needed.
• Select the preset that matches the
transmitted signal.
• Check condition of all antennas, BDCs,
and the cables connected to them.
• Make sure power cable is firmly
connected at both ends.
• Check line voltage with voltmeter.
Voltage must be 100 to 130 VAC (U.S.)
or 205 to 240 VAC (non-U.S.).
• Unplug power cable, remove fuse
holder from connector, and replace
fuse(s).