Before calling for service, Calling for service, Quick service check list – Sharp 27F641 User Manual

Page 46

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Dimension: 140 X 215 mm

Before Calling for Service

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

(Dark and Blank Picture)

Note:

• If no TEXT broadcast is being received while viewing in the TEXT

mode, the screen may become dark and blank for some programs.
Should this occur, switch the Closed Caption mode to “OFF”.

QUICK SERVICE

CHECK LIST

POSSIBLE REMEDY

Try a new channel, if OK, then there
is a 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 the POWER 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 pages 39–41)

Check batteries of Remote Control.

Press TV/VCR button on the Remote
to select TV mode.

Are audio cables connected firmly?
Check the volume level.

Is SPEAKER ON? See pages 13,14.

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

Unplug the TV and plug it in again
after 2 minutes or longer.

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

Calling for Service

PROBLEM

No Playback of VCR and Disc

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

Color on Part of the Screen

Appears Distorted

27F541

46

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