Holland Electronics HMDD-1U User Manual

Model:hmdd, L l c, Installation manual

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INSTALLATION MANUAL

Model:HMDD

ATSC Digital Mini Demodulator

Caution:

These servicing instructions are for use by qualified service personnel only.

To reduce the risks of electric shock, do not perform any servicing other than

that contained in the operating instructions unless you are qualified to do so.

This symbol indicates “dangerous voltage”-there is the risk of an electric shock.

This symbol indicates that there are some important instrutions for this particular

product.

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT TAKE THE COVER OFF.

NO PART OF THE RECEIVER CAN BE REPAIRED BY THE USER.
PLEASE CONSULT A QUALIFIED TECHNICIAN FOR ANY REPAIRS.

WARING:

E l e c t r o n i c s

L L C

8. TROUBLESHOOTING

a. Ensure you are using quality multiple shielded cables with quality radial or

compression F-connectors.

b. Ensure the cables center conductors are making solid contact with the HMDD

Antenna Input, Audio Output, and Video Output port.

c. If HMDD is receiving power but no signal, check to be sure the video cable is
securely connected between the HMDD and the video source, and the video
and/or audio cables are securely connected between the HMDD and the modulator.

d. If the HMDD is not receiving power make sure the power cable is firmly
connected. Be sure the power source is properly rated to handle the HMDD load
especially if other equipment is being powered by that same source.

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a1.1

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