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Troubleshooting guide
Before requesting service, make the following checks. If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the �Customer Services Directory� on page 38 if you reside in the U.S.A., or refer to the �Product information� on back cover if you reside in Canada. n Common problems Pages No power. � Ensure the AC power supply cord is connected. 11
� � � � � � � � � � Turn the volume up. Check connections to speakers and other equipment. Turn on the speakers. Select the correct source. Change DIG INPUT setting to suit the type of connection you have made. Check that the digital signals can be decoded by this unit. Turn the muting off. Turn PCM FIX off. Recording of some DVD-Audio may not be possible due to copyright protection. Determine and correct the cause, then turn the unit on. Causes include: - Shorting (bare wires touching) of positive and negative speaker wires. - Using speakers with an impedance lower than that rated for this unit. - Straining of the speakers through excessive volume or power. - Using the unit in a hot environment without proper ventilation. Consult your dealer if the problem occurs again after switching the unit on. 16 5 to 13 16 16 32 17 27 32 � 10 11, 12 � �
No sound. Sound is distorted.
Sound stops. �OVERLOAD � appears on the display for about a second, and the unit turns off. Analog input becomes distorted and the message �OVERFLOW � appears on the display during playback. �F76 � appears on the display and the unit turns off. �F70 � appears on the display. �REMOTE 2 � or �REMOTE 1 � appears on the display. Display is dim. Clicking sound is heard during play. n Surround effects Sound is not heard from the center, surround or subwoofer speakers. Sound is not heard from the surround back speaker. Cannot switch MULTI CH SURROUND on. (Dolby Pro Logic , NEO:6, and SFC are unavailable.) There is no DTS audio output. There is audio output, but the DTS decoder indicator is not lit. Sound is distorted when using the Sound Field Control (SFC). n Radio The radio cannot be tuned in or there is a lot of noise and interference. There is a lot of noise when listening to AM. n HDMI When using an HDMI connection, the first few seconds of sound is cut off. �U 70-1-1 � appears on the display. �U 70-1-2 � appears on the display. �U 70- 3 � appears on the display.
� � � � � �
� Switch the attenuator on. � Turn the unit off, disconnect the AC power supply cord, and consult your dealer. � Turn the unit off, disconnect the AC power supply cord, and consult your dealer. � Match the codes on the main unit and the remote control. � Cancel �DIMMER �. � Depending on the input signal when playing DVD etc., the ADVANCED DUAL AMP function changes automatically. A clicking sound is heard when it changes. This does not mean a problem with the unit. á You can also set the unit against automatic advanced dual amp operations. � Ensure the speaker settings for your speakers are correct. � Confirm Dolby Pro Logic , NEO:6, or SFC settings, and select an adequate mode. � Switch MULTI CH SURROUND on when you play 2-channel stereo sources. Ensure the speaker settings for your speakers are correct. Switch MULTI CH SURROUND on. Check if the center speaker, surround speakers, and surround back speakers are connected properly. Switch SPEAKERS A on. You cannot use the MULTI CH SURROUND effect when the input source contains PCM signals with sampling frequencies of 192 kHz. � Cancel DVD analog 6-channel playback. � You cannot use the effect when the input source contains dual audio signals in Dolby Digital or DTS formats. � Set the DTS Digital Audio Output setting on the DVD player or DVD recorder to �Bitstream�. � Depending on the input source, sound may be distorted if you increase the SFC effect level. If this happens, decrease the SFC effect level. Connect the appropriate antenna. (You may need an outdoor antenna or one with more elements.) Adjust the position of the FM or AM antenna. Reduce the treble. Turn off nearby televisions, video decks, DVD recorder, DVD players, and satellite receivers. Separate the antenna from other cables, cords, and appliances. Try changing the BEAT PROOF mode. � � � � �
33 � � 23 27, 29 � 33
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14, 31 24 to 26 16 14, 31 16 11 16 � 18 �
� 25, 26
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12 12 29 � � 35
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� Should you be playing a chapter on a DVD: - Change the audio output setting on the DVD player or DVD recorder from �Bitstream� to �PCM�. (6.1channel sources will however be played as 5.1-channel.) - Select �PCMFIX � as instructed in �Setting input signals� when you play 2-channel sources. � The equipment connected by the HDMI cable is not compatible with the unit�s copyright protection technology. � The unit has received a signal for a picture format that is incompatible with the HDMI connection. Check the settings of the connected equipment. � Should anything unusual happen using an HDMI connection: Consult your dealer if the sign remains on the display after these steps. - Turn the connected equipment off and on again. - Pull out the HDMI cable then reinsert it. - Reduce the amount of equipment connected in series to the HDMI terminal if exceeding 2 units. � The unit does not work properly when wrong cords are in HDMI input and output terminals. Turn the unit off, unplug the AC power supply cord, and make connections again. � Connect the unit to your TV (VIERA) using the HDMI cable, switch the TV on, unplug the unit�s AC power supply cord, and insert it into a household AC outlet again. � Replace the batteries if they are worn. � Change this unit�s remote control code to �REMOTE 2 �. � 32 � �
The unit does not work properly. HDAVI Control does not function properly. n Remote control The remote control doesn�t work. Other products respond to the remote control.
� 5,19 � 5,19 �
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RQT8549
