Sharp XL-UH220H Troubleshooting chart, References, Subwoofer connection, CD player, General

Subwoofer connection

When a commercially available subwoofer with a built-in amplifier is connected to this unit, you can enjoy sound with emphasised bass. Connect an RCA lead from a commercially available speaker with a built-in amplifier to the SUBWOOFER PRE-OUT socket.

Troubleshooting chart XL-UH220H

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 authorised SHARP dealer or service centre.

General
Symptom	Possible cause
The clock is not set to the	Did a power failure occur? Reset
correct time.	the clock.
When a button is pressed,	Set the unit to the power stand-
the unit does not respond.	by mode and then turn it back on.

SPEAKERS

RATED SPEAKER IMPEDANCE:

6 OHMS MIN.

AC INPUT

RIGHT LEFT

ANTENNA

FM GND AM

75 OHMS

VIDEO/AUX IN

RIGHT LEFT

PRE-OUT

SUBWOOFER

	If the unit still malfunctions, reset
	it.
No sound is heard.	Is the volume level set to "0"?	References
	Are the headphones connected?
	Are the speaker wires discon-
	nected?
CD player

SUBWOOFER OUT Subwoofer with a built-in amplifier

PRE -

Symptom	Possible cause
Playback does not start.	Is the disc loaded upside down?
Playback stops in the	Does the disc satisfy the
middle or is not performed	standards?
properly.	Is the disc distorted or
	scratched?
Playback sounds are	Is the unit located near excessive
skipped, or stopped in the	vibrations?
middle of a track.	Is the disc very dirty?
	Has condensation formed inside
	the unit?

37