Sharp PN-455 - Manual (Page 52)

52
E
Troubleshooting
Before calling for repair services, make sure following checks for possible remedies to the encountered
symptoms.
Problem Check item Page
There is no picture
or sound.
There is no picture.
Remote control does not work.
Sound from left and
right speakers is
reversed.
Sound is heard from
only one side.
There is a picture
but no sound.
Faint color or bad hue.
• Is the AC cord disconnected?
• Is the main power switch turned off or is the
monitor in standby mode?
• Make sure external equipment is connected
properly.
• Make sure correct INPUT is selected.
• Make sure the connected external equipment is
operating (playing back).
• The signal may be incompatible.
• Is the monitor in waiting mode?
• Are the batteries inserted with polarity ( , )
aligned?
• Are the batteries worn out?
• Point the remote control unit toward the monitor’s
remote control sensor.
• Is the menu display locked?
• Are audio cables connected properly?
• Make sure audio cables for external speakers are
connected properly: left and right cables may be
reversed or one of the two cables may not be
connected.
• Make sure the volume is not set to minimum.
• Video, S-video, component and RGB terminals
are for video only. Make sure audio cables are
also connected.
• Is the audio corresponding to the selected image
being input?
• Check “Color” and “Tint” adjustments.
• Make sure the connection sequence is correct.
19
24
13 to 17
25
–
–
24
12
29
13 to 17
18
25
13 to 17
13 to 17
31 to 32
13 to 17
Picture disappears.