Yamaha TSS-15 owner manual Troubleshooting, Center speaker outputs, Subwoofer outputs no

Troubleshooting

If the TSS-15 Home Theater Sound System does not work properly, refer to the table below. If the problem is not listed, or if the suggested remedy fails to resolve the problem, set the TSS-15 to Standby, disconnect the power cable from the wall outlet, and contact your Yamaha dealer.

Problem	Possible cause	Remedy	Refer to
			page
	The power cable is not connected	Make sure that the power cable is properly	11
	properly.	connected to a suitable wall outlet.
	A speaker cord has a short circuit so	Make sure that all speaker cords are
	the amplifier protection system has	properly connected and check for any	9
	turned the TSS-15 off automatically.	shorts.
	The TSS-15 amplifier was exposed to	Set the TSS-15 to Standby, and then
		disconnect the power cable from the wall
	a strong external electrical shock,
		outlet. Wait about 30 seconds, plug the	—
The TSS-15 turns itself off	such as lightning or excessive static
		power cable in again, and then turn on the
as soon as it’s turned on.	electricity.
		TSS-15.
	The TSS-15 has been used at high
	volume levels and the amplifier	Use the TSS-15 at a lower volume.	12
	protection system has turned the
	TSS-15 off automatically.
	The TSS-15 amplifier is excessively	Wait a few minutes for the amplifier to cool
	hot and the protection system has		—
		down.
	turned it off automatically.
	Connections are incomplete.	Make sure that the speakers and other	9–10
		components are properly connected.
		Select the appropriate input.
	The wrong input is selected.	If the DTS indicator is flashing, select	12
No sound can be heard.		another input, then select the previous
		input.
	The volume is set too low.	Turn up the volume.	12
	The TSS-15 has been muted.	Press the [MUTE] button to unmute the	12
		TSS-15.
One speaker outputs no	The speaker is not connected	Check the speaker connections.	9
sound.	properly.
	The Auto listening mode is selected
	and the audio source is stereo.	To use all speakers, select a Cinema DSP or
			14–15
	The Dolby Surround, Dolby Digital,
		Dolby Pro Logic II listening mode.
Only the front speakers	or DTS source does not include
output sound.	surround channel information.
	Digital audio signals with a sampling
	rate above 48 kHz are output by only	—	—
	the front speakers.
	The center speaker’s volume level is	Use the remote control’s SP LEVEL
		CENTER Up [+] button to increase the	12
The center speaker outputs	set to minimum.
		level.
no sound.
	Some multichannel sources do not	—	—
	include center channel information.
The surround speakers	The surround speakers’ volume level	Use the remote control’s SP LEVEL SURR	12
output no sound.	is set to minimum.	Up [+] button to increase the level.
	The subwoofer’s volume level is set to	Use the remote control’s SP LEVEL SW	12
The subwoofer outputs no	minimum.	Up [+] button to increase the level.
sound.	Some source material does not	—	—
	include sub-bass sounds.

English

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