XL-HF401PH (serv.man3) - Sharp Audio User Guide / Operation Manual. Page 25

12/3/30

HF-401PH_OM_EN_UK.fm

Note:
To prevent noise interference, place the unit away from the 
television.

● Do not turn the volume on to full at switch on and listen

to music at moderate levels. Excessive sound pressure
from earphones and headphones can cause hearing
loss.

● Before plugging  in or unplugging the headphone,

reduce the volume.

● Be sure your headphone has a 3.5 mm (1/8") diameter

plug and impedance between 16 and 50 ohms. The
recommended impedance is 32 ohms.

● Plugging in the headphone disconnects the speakers

automatically. Adjust the volume using the VOLUME
control.

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.

■ Listening to the playback sounds of 

Use a connection lead to connect the portable audio
player etc. to the AUDIO IN socket. When using video
equipment, connect the audio output to this unit and the
video output to a television.

Press the ON/STAND-BY button to turn the power on.

Press the AUDIO/LINE (INPUT) button on the remote
control or FUNCTION button repeatedly on main unit to
select AUDIO IN function.

Play the connected equipment. If volume level of the
connected device  is too high, sound distortion may
occur. Should this happen, lower the volume of the
connected device. If volume level is too low, increase the
volume of the connected device.

■ Headphones

■ General

● The clock is not set to 

the correct time.

● Did a power failure occur?

Reset the clock. (Refer page 8)

● 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. (Refer page 25)

● No sound is heard.

● Is the volume level set to “Min”?

● Are the headphones connected?

● Are the speaker wires 

disconnected?

■ iPod, iPhone or iPad

● No sound is 

produced.
No image appears 
on the TV/monitor.

● The iPod, iPhone or iPad is 

not playing.

● The iPod, iPhone or iPad is not 

properly connected to the unit.

● Is the AC power lead of the 

unit plugged in?

● The video cable is not 

properly connected.

● The TV/monitor’s input 

selection is not properly set.

● The iPod TV out feature has 

not been set to output video.

● USB terminal do not support video.

● iPod, iPhone or iPad 

will not charge.

● The iPod, iPhone or iPad is 

not making full contact with 
the  connector.

● Using iPod (3

rd

 generation).

● The iPod or iPhone is not 

supported. Refer to page 11 
for compatible models.

● “This accessory is 

not made to work 
with iPhone” or “This 
accessory is not 
supported by iPhone” 
appears on iPhone 
screen.

● The iPhone battery is low. 

Please charge the iPhone.

● iPhone is not properly 

docked.

■ CD player

● Playback does not 

start.

● Playback stops in the 

middle or is not 
performed properly.

● Is the disc loaded upside 

down?

● 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?

■ Tuner

● The radio makes 

unusual noises 
continuously.

● Is the unit placed near the 

TV or computer?

● Is the FM aerial placed 

properly? Move the aerial 
away from the AC power 
lead if it is located nearby.

■ USB

● Device cannot be 

detected.

● Is there any MP3/WMA file 

available?

● Is the device properly 

connected?

● Is it an MTP device?

● Does the device contain 

AAC file only?

● Playback does not 

start.

● Is it a copyright protected 

WMA file?

● Is it a false MP3 file?

● Wrong time display.

● Wrong file name 

display.

● Is Variable Bitrate file being 

played back?

● Is the File Name written in 

Chinese or Japanese 
characters?