XL-UH240H - Sharp Audio User Guide / Operation Manual. Page 38

XL-UH240H

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.

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.

 

Subwoofer with a 

built-in amplifier

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 discon-
nected?

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?