Sharp HT-SL72 operation manual Possible cause, Symptom

Many potential problems can be resolved by the owner without calling a service technician.

If something is wrong with this product, check the following before calling your authorized SHARP dealer or service center.

Symptom

•Wireless connection cannot be established.

Possible cause

• Checkthe	distance
between	the Amplifier		and
Subwoofer (less		than	32
feet (10m)).
• Make sure there is no other
wireless	devices	near	the

Symptom

•No sound is heard from Sound Bar/ Subwoofer.

Possible cause

•	Is the TV		input		signal
	(selection)		set		properly?
•	Is HDMI compliant
	equipment		being			used?*
•	Is the	HDMI		cable
	connected		correctly?*
•	Is the	HDMI		cable		of the
	correct	type		being		used?
	(with ARC)*
•	Does	the	sound input
	support PCM				signal?*
•	Do not connect				or
	disconnect		an HDMI cable
	while power is on. This
	may lead to			operation
	problems.*
•	Check	if the		Subwoofer

For HT-SL77

	unit.
•	Make sure there			is no
	obstacles	(especially
	metal) blocking			between
	the Amplifier		and
	Subwoofer.
•	Manually	re-link		the
	Amplifier	and	Subwoofer
	(refer page 13).
• If the Amplifier is wall
	mounted	behind		the TV,
	make sure the distance
	between	the	TV and
	Amplifier are not less than
	8" (20cm) to avoid wireless
	interruption.

•Noise is heard during playback.

•The power is not turned on.

	already turn			on.
•	Manually		re-link the
	Amplifier		and Subwoofer
	(refer	page		13).
•	Move the		speaker away
	from any computers				or
	mobile	phones.
•	Is the	unit	unplugged?
•	The protection circuit				may
	be activated.			Unplug	and
	plug in the power cord
	again after 5 minutes or
	more.

Sudden temperature changes, storage or operation in an

extremely humid environment may cause condensation inside the cabinet. Condensation can cause the unit to

malfunction. If this happens, leave the power on until normal playback is possible (about 1 hour).

When this product is subject to strong external interference

(mechanical shock, excessive static electricity, abnormal

supply voltage due to lightning, etc.) or if it is operated incorrectly, it may malfunction.

If the unit is not restored in the previous operation,

unplug and plug in the unit again

or

•	Volume cannot		be	•	Check	if the HDMI CEC is
	controlled	via	TV.*		enabled.
•	3D images	not		•	Depending		on the	TV and
	displayed	on the TV.*			Video component,			3D
					images	may not be
					displayed.
					Check	the	operation
					manual	of the respective
					component.

•Background noise • Please change to HDMI/

appears when		ARC or RCA-Output
connecting	with	terminal	from	TV-Set. This
headphone	output of	effect may occur
TV-Terminal.		depending on		TV-Brand,
		model and age, and it is
		not the	Sound	Bar
		problem.

unplug all component connected and plug in again.

During the Amplifier power on position (BLUE indicator light up), press the PAIRING button for more than 10 seconds.

Note:

This operation will restore the DIGITAL (HDMI) function volume to the default setting.

Periodically wipe the cabinet with a soft cloth.

Caution:

•Do not use chemicals for cleaning (gasoline, paint thinner, etc.). It may damage the cabinet finish.

•Do not apply oil to the inside of each component. It may cause malfunctions.