Sony HT-DDW5500 用户手册

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页码 76
71
GB
 
 
 
 
 
 
 
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The FM reception is poor.
• Use a 75-ohm coaxial cable (not supplied) 
to connect the receiver to an outdoor FM 
antenna as shown below. If you connect 
the receiver to an outdoor antenna, ground 
it against lightning. To prevent a gas 
explosion, do not connect the ground wire 
to a gas pipe.
Radio stations cannot be tuned in.
• Check that the antennas are connected 
securely. Adjust the antennas and connect 
an external antenna, if necessary.
• The signal strength of the stations is too 
weak (when tuning in with automatic 
tuning). Use direct tuning.
• Make sure you set the tuning interval 
correctly (when tuning in AM stations 
with direct tuning).
• No stations have been preset or the preset 
stations have been cleared (when tuning 
by scanning preset stations). Preset the 
stations (page 57).
• Press DISPLAY repeatedly so that the 
frequency appears on the display.
The remote does not function.
• Point the remote at the remote sensor on 
the receiver.
• Remove any obstacles in the path between 
the remote and the receiver.
• Replace all the batteries in the remote with 
new ones, if they are weak.
• Make sure you select the correct input on 
the remote.
 
If there is a malfunction, the display shows a 
message. You can check the condition of the 
system by the message. Refer to the following 
table to solve the problem. If any problem 
persists, consult your nearest Sony dealer. If 
an error message appears while you perform 
Auto Calibration, see “Error and warning 
codes” (page 33) t
o solve the problem.
PROTECT
Irregular current is output to the speakers, or 
the upper panel of the receiver is covered 
with something. The receiver will 
automatically turn off after a few seconds. 
Check the speaker connection and turn on 
the power again.
PROTECT SUBWOOFER
Irregular current is output to the 
subwoofers. The receiver will automatically 
turn off after a few seconds. 
Check the subwoofers connections and turn 
on the power again.
Tuner
ANTENNA
AM
Receiver
To ground
Ground wire 
(not supplied) 
Outdoor FM antenna 
Remote commander
Error messages
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