Before calling for service, Calling for service, Quick service check list – Sharp 20F630 L User Manual

Page 52

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Dimension: 140mm x 215mm

Before Calling for Service

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

POSSIBLE REMEDY

Try a new channel, if OK, then

X

X

X

X

X

X

X

X

X

X

X

there is possible station trouble.

Is TV plugged in? Power at outlet?

X

X

X

Is TV’s POWER button on?

X

X

Is antenna connected to terminal

X

X

X

X

X

X

on the back of the set?

If outside antenna is being used,

X

X

X

X

X

X

X

X

X

X

X

check for broken wire.

Check for local interference or

X

X

X

X

X

X

X

X

external electrical noise.

Turn off with POWER button and

X

X

then turn it on after about a minute.

Adjust COLOR control.

X

Adjust PICTURE control.

X

X

Check external Video/Audio

X

X

X

X

X

products: look for loose/broken
connection leads.
(Refer to page 44 ~ 45)

Check batteries of Remote Control.

X

Press TV/VCR button on the

X

remote to select TV mode.

Are audio cables connected firmly?

X

Check the volume level.

Is SPEAKER ON? See page 22 ~ 23.

X

Change CLOSED CAPTION mode
to “OFF” / ENERGY SAVE mode to

X

“OFF”.

Unplug the TV and plug it in again

X

X

X

X

X

X

X

X

X

X

X

after two minutes or longer.

PR

OBLEM

No Pla

ybac

k of

VCR and Disc

Pla

yer

No Picture or Sound from

Exter

nal Video/A

udio

Products

Remote Control Doesn’t

Wo

rk

Bars on Screen

Picture Distor

ted

Picture Rolls

V

e

rtically

No Color

P

oor Reception on Some

Channels

W

eak Picture

Lines or Streaks in Picture

Ghosts in Picture

Picture Blurred

Sound OK, Picture P

oor

Picture OK, Sound P

oor

No Picture or Sound

Dar

k and Blank Picture

Exter

nal Electrical Noise

Interf

er

ing with

TV’

s Oper

ation

Color on P

a

rt

of the Screen

Appears Distored

QUICK SERVICE

CHECK LIST

Note:

• 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”.

Calling for Service

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

(Dark and Blank Picture)

20F630[51-56].p65

25/3/03, 3:07 PM

52

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