HT-DV50H (serv.man3) - Sharp Audio User Guide / Operation Manual. Page 74

HT-DV40H
HT-DV50H

 

Before plugging in or unplugging the headphone, reduce the
volume.
Be sure your headphone have 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.

The power is not turned 
on.

Is the unit unplugged?

No sound is heard.

Is the volume level set to “0”?

Are the headphones connected?

Are the speaker wires 
disconnected?

The sounds from 
speakers are not well 
balanced.

Are the speaker wires connected 
to the wrong channels?

Noise is heard during 
playback.

Move the unit away from any 
computers or mobile phones.

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, 
disconnect the unit from the 
mains for 30 seconds, then 
reconnect.

Interference or noise 
occurs on the TV image.

Is the unit placed near TV with 
internal aerial? Use an external 
aerial.

The display on the unit is 
dark.

Is the display in the dimmer 
mode?

No images are displayed.

Is the TV turned on?

Is the TV input switched on?