ONKYO tx-lr552 Manual De Instruções

 

57

 

If you have any trouble using your TX-LR552, 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.

• 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 18).

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

nents are connected properly (page 18).

• 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 15)

• Make sure that the input source is properly selected 

(page 31).

• Check the volume setting. It can be set to MIN, 1 

through 79, or MAX (page 31). 
The TX-LR552 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-LR552 (page 32).

• While a pair of headphones is connected to the 

PHONES jack, no sound is output by the speakers 
(page 33).

• Check the digital audio output setting on the con-

nected component. On some games consoles, such as 
those that play DVDs, the default setting is off.

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

audio output format from a DVD-Video disc menu.

• Make sure that the correct input signal audio format is 

selected (page 49).

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

a commercially available MC phono preamp 
(page 26).

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

twisted, or damaged.

• Not all listening modes use all of the speakers 

(page 40).

• Specify the speaker distances (page 48) and adjust the 

individual speaker levels (page 28).

 

• When the Stereo listening mode is selected, only the 

front speakers and subwoofer produce sound.

• When the Direct listening mode is selected, only the 

front speakers produce sound.

• Make sure the speakers are configured correctly 

(page 46).

 

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

IIx Movie/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 46).

 

• When the Stereo or Direct listening mode is selected, 

the surround speakers produce no sound (page 40).

• 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 46).

 

• When the Mono, Stereo, or Direct listening mode is 

selected, the center speaker produces no sound 
(page 40).

• When the Orchestra listening mode is selected, the 

center speaker produces no sound (page 40).

• Make sure the speakers are configured correctly 

(page 46).

 

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

tening modes. Select another listening mode 
(page 37).

• Not much sound may be produced by the surround 

back speakers with some sources.

• If you are using a Dolby Digital EX or DTS-ES 

source, make sure that the Dolby Digital/DTS setting 
is set to On (page 41).

• Make sure the speakers are configured correctly 

(page 46).

 

• When playing material that contains no information in 

the LFE channel, the subwoofer produces no sound.

• Make sure the speakers are configured correctly 

(page 46).

• Speaker set A is turned off. The subwoofer output does 

not work while only speaker set B is on. Turn on 
speaker set A.

TX-LR552_En.book Page 57 Thursday, August 5, 2004 1:07 PM