Troubleshooting chart, Right left, Left right speakers l ig h t -u p – Sharp XL-UH240 User Manual

Page 34: Fm 75 ohms am gnd subwoofer pre-out

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03/12/17

XL-UH240 29-37.fm

34

XL-UH240

Advanced Features

Enhancing your system (continued)

Subwoofer connection

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

Troubleshooting chart

Many potential problems can be resolved by the owner without call-
ing a service technician.
If something is wrong with this product, check the following before
calling your authorized SHARP dealer or service center.

General

CD player

RATED SPEAKER IMPEDANCE:

6 OHMS MIN.

AC INPUT

RIGHT

RIGHT

LEFT

VIDEO/AUX IN

SPEAKERS

LEFT

LEFT

RIGHT

SPEAKERS

L

IG

H

T

-U

P

ANTENNA

FM

75 OHMS

AM

GND

SUBWOOFER

PRE-OUT

Subwoofer with a

built-in amplifier

SUBWOOFER

PRE-OUT

Symptom

Possible cause

The clock is not set to the
correct time.

Did a power failure occur? Reset
the clock.

When a button is pressed,
the unit does not respond.

Set the unit to the power stand-
by mode and then turn it back on.

If the unit still malfunctions, reset
it.

No sound is heard.

Is the volume level set to "0"?

Are the headphones connected?

Are the speaker wires
disconnected?

Symptom

Possible cause

Playback does not start.

Is the disc loaded upside down?

Playback stops in the
middle or is not performed
properly.

Does the disc satisfy the
standards?

Is the disc distorted or
scratched?

Playback sounds are
skipped, or stopped in the
middle of a track.

Is the unit located near excessive
vibrations?

Is the disc very dirty?

Has condensation formed inside
the unit?

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