Before calling for service, Calling for service, Quick service check list – Sharp 25N S180 User Manual

Page 38

Before Calling for Service

Check these items and see if you can correct trouble with a slight adjustment of the controls.

(Dark and Blank Picture)

• When viewing in TEXT mode, if no TEXT broadcast is being received,

the screen may become dark and blank. Should this occur, set the
Closed Caption mode to “OFF”.

For location of the nearest Sharp Authorized Servicers, or to obtain product literature accessories, supplies,
or customer assistance, please call 1-800-BE-SHARP.

Calling for Service

NOTE:

POSSIBLE REMEDY

Try a new channel, if OK, then possible
station trouble.

Is TV plugged in? Power at outlet?

Is TV’s POWER button on?

Is antenna connected to terminal on the
back of the set?

If outside antenna is being used, check
for broken wire.

Check for local interference or external
electrical noise.

Turn off with POWER button and then
turn it on after about a minute.

Adjust COLOR control.

Adjust PICTURE control.

Check external Video/Audio products:
look for loose/broken connection leads.
(Refer to page 32)

Check batteries of Remote Control.

Press CATV/TV Select Switch to TV
position.

Are audio cables connected firmly?
Check the volume level.

Is SPEAKER ON? See page 13.

Change Closed Caption mode to
“OFF”/ Energy Save mode to “OFF”.

Unplug the TV and plug it in again after
two minutes.

PROBLEM

No Playback of VCR and Disk

Player

No Picture or Sound from External

Video/Audio Products

Remote Control Doesn

’t Work

Bars on Screen

Picture Distorted

Picture Rolls Vertically

No Color

Poor Reception on Some Channels

Weak Picture

Lines or Streaks in Picture

Ghosts in Picture

Picture Blurred

Sound OK, Picture Poor

Picture OK, Sound Poor

No Picture or Sound

Dark and Blank Picture

External Electrical Noise Interfering

with TV

’s Operation