Hitachi UM-S700, Руководство пользователя

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21
Troubleshooting
Before calling service personnel, please check the following troubleshooting guide. If any problem still persists, unplug
the MS and call for servicing.
Symptom Check List
No picture, no sound Check if the main power of the MS is turned on.
Check if the connection of the power cord and/or other cables.
Check if the STB mode is selected.
Check if the TV is in standby mode or power save mode.
z
z
z
z
Picture OK, no sound Check the volume level.
Check if the
button has been pressed or not.
Check the connection of the external equipment.
z
z
z
Sound OK, poor colour or no colour Check the value level of brightness and contrast of the TV settings.
Check the connection of the external equipment. z
z
Multiple images, normal sound Check the connection of the external equipment.
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channel.
z
z
Snowy picture, poor sound 7KH79VWDWLRQPD\KDYHEURDGFDVWGLI¿FXOWLHV7U\DQRWKHU
channel.
z
Intermittent interference Check if the source of interference is shielded well.
Remove those kinds of electrical devices away from the TV. z
z
Image is paused Check if the TV is in freeze mode. z
Cannot display the image from HDMI1~2 Check the connection of the external equipment.
Check the output format of the equipment. Refer to the
recommended HDMI input signal list. z
z
Poor stereo sound
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mono mode.
z
Remote control does not work Check if the batteries are installed correctly.
Check if you have selected the correct device by
Device Select
(TV, DVD, STB) buttons on the remote control.
The batteries may be exhausted. Replace them with new ones.
Remove all obstruction between the remote control and the remote
control sensor.
Ensure there is no strong light shinning on the remote control
sensor.
Check the control terminal connection between the LCD monitor
and MS.
z
z
z
z
z
z
UM-S700 (EN) (25.08.08).indd 21 25-08-2008 11:03:41 AM