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RQT9487
Troubleshooting guide
Sound
No sound.
Low volume.
Distorted sound.
Cannot hear the desired audio type.
¾ Check the connections and the “Digital Audio Output” settings.
Check the input mode on the amplifi er if you have connected
one. (➡ 16, 17, 86, 95–97)
¾ Press [AUDIO] to select the audio. (➡ 37)
¾ Turn “Sound Effects” in the Sound menu to “Off” in the following
cases. (➡ 77)
– When using discs that do not have surround sound effects
such as Karaoke discs.
– When playing bilingual broadcast titles.
¾ Audio may not be heard when more than 4 devices are
connected with HDMI cables. Reduce the number of connected
devices.
¾ The sound effects will not work when the bitstream signal is
output from the HDMI AV OUT terminal or the DIGITAL AUDIO
OUT terminal.
¾ To output audio from a device connected with an HDMI cable,
set “HDMI Audio Output” to “On” in the Setup menu. (➡ 89)
¾ Depending on the connected equipment, the sound may be
distorted if this unit is connected with an HDMI cable.
Cannot switch audio.
¾ You cannot switch the audio in the following cases.
– When the recording mode is XP and “Audio Mode for XP
Recording” is set to “LPCM”. (➡ 87)
– When “Rec for High Speed Copy” is set to “On”. (The default
setting is “On”). (➡ 85)
¾ The amplifi er is connected using an optical digital audio cable,
a coaxial cable or an HDMI cable. You cannot switch the audio
if “Digital Audio Output” is set to “Bitstream”. Set “Digital Audio
Output” to “PCM” or connect using audio cables. (➡ 87, 95)
¾ There are discs for which audio cannot be changed because of
how the disc was created.
Operation
Cannot operate the television. The remote control
doesn’t work.
¾ Change the manufacturer code. Some televisions cannot be
operated even if you change the code. (➡ 91)
¾ The remote control and main unit are using different codes.
Change the code on the remote control. (➡ 90)
Press and hold [OK] and the indicated
number button at the same time for
more than 5 seconds.
¾ The batteries are depleted. Replace them with new ones. (➡ 3)
¾ You are not pointing the remote control at the main unit’s
remote control signal sensor during operation. (➡ 3)
¾ Coloured glass may obstruct the signal reception/transmission.
¾ Don’t place the signal sensor in direct sunlight or in areas that
may be subject to sunlight exposure.
¾ Software is updating when “UPD /” is displaying on the
unit’s display. Wait until the update is completed. (➡ 94)
¾ It may be necessary to set the code on the remote control
again after changing the batteries. (➡ 90)
¾ It may be necessary to set the manufacturer code again after
changing the batteries. (➡ 91)
¾ The child lock function is activated. (➡ 91)
The unit is on but cannot be operated.
¾
Recording drive or playback drive has not been selected properly.
¾ Some operations may be prohibited by the disc.
¾
The unit is hot (“U59” appears on the display). Wait for “U59” to disappear.
¾ One of the unit’s safety devices may have been activated.
Reset the unit as follows:
1 Press [
8
] on the main unit to switch the unit to standby.
If the unit doesn’t switch to standby, press and hold [
8
] 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 [
8
] on the main unit to switch it on. If the unit still
cannot be operated, consult the dealer.
Cannot eject disc.
¾ The unit is recording.
¾ The unit may have a problem. While the unit is off, press and
hold [
g
] and [CH
1
] on the main unit at the same time for
about 5 seconds. Remove the disc and consult the dealer.
If the Child Lock function is activated, above operation does not
work. Cancel the Child Lock function. (➡ 91)
Cannot tune channels.
Cannot download channel presets from the
television.
¾ Check the connections. (➡ 16, 97)
¾ You must connect to a VIERA Link (HDAVI Control 3 or later)
compatible TV with an HDMI cable to download channel
presets.
Startup is slow.
¾ Make sure that “Power Save” is set to “On”. (➡ 90)
¾ Startup takes time in the following situations:
– A disc other than a DVD-RAM is inserted.
– The clock is not set.
– Immediately after a power failure or the AC mains lead is
connected.
– When the unit is connected with an HDMI cable.