ONKYO TX-NR901 Manual De Instruções

 

99

 

If you have any trouble using your TX-NR901, look for 
a solution in this section. If you can’t resolve the issue 
yourself, contact your Onkyo dealer.

 

• Make sure that the power cord is properly plugged into 

the wall outlet. (Non-American and Australian mod-
els: make sure that the other end of the power cord is 
properly connected to the TX-NR901’s AC INLET.)

• Unplug the power cord from the wall outlet, wait five 

seconds or more, then plug the cable in again.

 

• The amp protection circuit has been activated. 

Remove the power cord from the wall outlet immedi-
ately and contact your Onkyo dealer.

 

• Make sure that all audio connecting plugs are pushed 

in all the way (page 26).

• Make sure that the inputs and outputs of all compo-

nents are connected properly (page 26).

• Make sure that the polarity of the speaker cables is 

correct and that the bare wires are in contact with 
metal part of each speaker terminal (page 23)

• Make sure that the input source is properly selected 

(page 51).

• Check the volume. It can be set from 0 to 100 

(page 51). 
The TX-NR901 is designed for home theater enjoy-
ment. It has a wide volume range, allowing precise 
adjustment.

• If the MUTING indicator is shown on the display, 

press the remote controller’s [MUTING] button to 
unmute the TX-NR901 (page 52).

• While a pair of headphones is connected to the 

PHONES jack, no sound is output by the speakers 
(page 52).

• Check the digital audio output setting on the con-

nected device. On some games consoles, such as those 
that support DVD, the default setting is off.

• With some DVD-Video discs, you need to select an 

audio output format from a menu.

• Make sure that the correct input signal audio format is 

selected with the [AUDIO SELECTOR] button 
(page 53).

• To use a turntable with an MC-type cartridge requires 

a commercially available MC phono preamp 
(page 35).

• Make sure that none of the connecting cables are bent, 

twisted, or damaged.

• Not all listening modes use all of the speakers 

(page 56).

• Specify the speaker distances (page 43) and adjust the 

individual speaker levels (page 44).

 

• When the Stereo listening mode is selected, only the 

front speakers and subwoofer produce sound.

• When the Direct or Pure Audio listening mode is 

selected, only the front speakers produce sound.

• Make sure the speakers are configured correctly 

(page 41).

 

• If you use the Pro Logic II Movie or Pro Logic II 

Music listening mode with a mono source, such as an 
AM radio station or mono TV program, the sound is 
concentrated in the center speaker.

• Make sure the speakers are configured correctly 

(page 41).

 

• When the Stereo, Direct, or Pure Audio listening mode 

is selected, the surround speakers produce no sound 
(page 56).

• Depending on the source and current listening mode, 

not much sound may be produced by the surround 
speakers. Try selecting another listening mode.

• Make sure the speakers are configured correctly 

(page 41).

 

• When the Mono, Stereo, Direct, or Pure Audio listen-

ing mode is selected, the center speaker produces no 
sound (page 56).

• When the Orchestra listening mode is selected, the 

center speaker produces no sound (page 57).

• Make sure the speakers are configured correctly 

(page 41).

 

• The surround back speakers are not used with all lis-

tening modes. Select another listening mode 
(page 56).

• Not much sound may be produced by the surround 

back speakers with some sources.

• If you are using the Dolby Digital EX or THX Sur-

round EX listening mode, make sure that mode is set 
to On (see “Using the Digital Surround Modes” on 
page 60).

• Make sure the speakers are configured correctly 

(page 41).

 

• When you play source material that contains no infor-

mation in the LFE channel, the subwoofer produces 
no sound.

• Make sure the speakers are configured correctly 

(page 41).

TX-NR901_En.book Page 99 Wednesday, October 1, 2003 9:44 AM