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Troubleshooting
SQT0993
68
Troubleshooting guide
Troubleshooting
Before requesting service, make the following
checks. If the problem still persists, consult
your dealer for instructions.
Updating to the latest software (firmware) may
solve the problem. (
>
66)
Screen size is wrong.
• Check the “TV Aspect” or “Aspect for 4:3 Video”.
(
>
61)
• Adjust the aspect ratio setting on TV.
• Adjust the aspect ratio setting on this unit.
(
>
67)
• Check “Aspect for Recording” before recording
or file conversion. (
>
59)
The black screen appears on the TV.
• This phenomenon may occur, depending on the TV
setting, when “Quick Start” is activated. Depending on
the TV, this phenomenon may be prevented by
reconnecting to a different HDMI input terminal.
TV reception is not displayed.
• Broadcast signals are not output from this unit’s
RF OUT terminal. Select “On” in “RF OUT
( Aerial Signal )”. (
>
64)
The screen changes automatically.
• If “Screen Saver” is set to “On”, the screen saver
function will be activated when there is no
operation for 5 minutes or more. (
>
61)
There is a lot of image lag when playing video.
• Set to “0” all items in the “Noise Reduction”. (
>
56)
• Set “Audio Delay”. (
>
60)
The remote control does not work.
• The remote control and main unit are using
different codes. Change the code on the remote
control.
“Remote Control
” appears on the right side of
the screen.
(“
∑
” stands for a number.) (
>
65, Remote
Control)
The followings do not indicate a problem
with this unit:
• HDD rotating sounds.
• Poor reception due to atmospheric conditions.
• When you switch the unit on or to standby
mode, there may be an unexpected sound.
General operation
The unit does not work.
• Check the connections. (
>
12)
• One of the unit’s safety devices may have been
activated.
Reset the unit as follows:
1 Press [
Í
/I] on the main unit to switch the unit
to standby.
• If the unit does not switch to standby, press
[
Í
/I] on the main unit for about 3 seconds.
The unit is forcibly switched to standby.
Alternatively, disconnect the AC mains
lead, wait one minute, then reconnect it.
2 Press [
Í
/I] on the main unit to switch it on. If
the unit still cannot be operated, consult the
dealer.
Startup is slow.
• Startup takes time in the following situations:
Please wait.
- The clock is not set.
- Immediately after a power failure or the AC
mains lead is connected.
- When the “Quick Start” is not activated. (
>
64)
TV screen and video
DMR-HWT250_150EB_eng.book 68 ページ 2015年9月14日 月曜日 午後1時50分