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RQT8157
Troubleshooting guide
Sound Page
Operation
No sound.
Low volume.
Distorted sound.
Cannot hear the desired audio
type.
≥Check the connections and the “Digital Audio Output” settings. Check the input mode on the
amplifier if you have connected one.
≥Press [AUDIO] to select the audio.
≥Turn off V.S.S. in the following cases.
–When using discs that do not have surround sound effects such as Karaoke discs.
–When playing bilingual broadcast programmes.
≥The disc may have a restriction on the method of audio output. If “D.MIX” does not appear in
the display when playing multi-channel DVD-Audio, only audio for the two front channels will
be output. Refer to the disc’s jacket. [DVD-A]
14–16,
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Cannot switch audio. ≥You cannot switch the audio in the following cases.
–When a DVD-R, DVD-RW (DVD-Video format) or +R disc is in the disc tray while DVD drive
is selected.
–When the recording mode is XP and “Audio Mode for XP Recording” is set to “LPCM”.
–When “Rec for High Speed dubbing” is set to “On”.
≥When connecting an amplifier using an optical digital cable, you cannot switch the audio if
“Dolby Digital” is set to “Bitstream”. Set “Dolby Digital” to “PCM” or connect using audio
cables.
≥There are discs for which audio cannot be changed because of how the disc was created.
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16, 54
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Cannot operate the television.
The remote control doesn’t work.
≥Change the manufacturer code. Some televisions cannot be operated even if you change the
code.
≥The remote control and main unit are using different codes. Change the code on the remote
control.
Press and hold [ENTER] and the indicated number button
at the same time for more than 2 seconds.
≥The batteries are depleted. Replace them with new ones.
≥You are not pointing the remote control at the main unit’s remote control signal sensor during
operation.
≥Coloured glass may obstruct the signal reception/transmission.
≥Don’t place the signal sensor in direct sunlight or in areas that may be subject to sunlight
exposure.
≥It may be necessary to set the code on the remote control again after changing the batteries.
≥It may be necessary to set the manufacturer code again after changing the batteries.
≥The child lock function is activated.
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The unit is on but cannot be
operated.
≥Recording drive or playback drive has not been selected properly.
≥Some operations may be prohibited by the disc.
≥The unit is hot (“U59” appears on the display). Wait for “U59” to disappear.
≥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 doesn’t switch to standby, press and hold [Í/I] on the main unit for about 10
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.
20, 28
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HDD activation is slow. ≥The HDD is in SLEEP mode. (“HDD SLP” appears in the unit’s display.) 4
Cannot eject disc. ≥The unit is recording.
≥The unit may have a problem. While the unit is off, press and hold [∫] and [CH W] 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.
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Cannot tune channels. ≥Check the connections. 14, 15
Startup is slow. ≥Make sure that “Quick Start” is set to “On”.
≥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.
–For a few minutes after 5:15 am due to system maintenance of this unit.
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Takes time to read DVD-RAM. ≥It may take time to read a disc if it is being used for the first time in this unit or it has not been
used for a long time.
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Troubleshooting guide
EH50GN.book Page 62 Friday, March 4, 2005 2:36 PM