Casio TV-400 - Troubleshooting

25
TROUBLESHOOTING
Check the following points before assuming malfunction of the TV.
|
Possible
causes
What
to
do
ee
ee
1. Dead batteries or 1. Replace batteries or
battery pack. recharge pack.
2. Polarity of batteries | 2. Reinsert batteries making
incorrect. sure poles are properly
aligned. (See page 9}
3. Correctly connect adaptor.
(See pages 16 & 20)
No picture
No
sound
3. AC adaptor or car
adaptor not properly
connected.
1. Adjust tuning (See page
15)
. Not properly tuned.
1. Votume control dtal | 1. Turn up volume.
turned too low.
2. Earphone inserted.
Picture visible
2. Disconnect earphone.
Symptoms hI
: Possible causes
Picture Sound ;
Sound
heard
-4
1. Brightness control
not set correctly.
Picture
ali
white
-
Adjust
brightness
control.
. Rod antenna folded.
es
Extend
rod
antenna.
Adjust
angle
and
direction
tor
best
reception.
.
Adjust
tuning.
.
Replace
batteries.
-
*
Move
further
away
rom
appliance
causing
. Not properly tuned.
. Battery power low.
4. Interterence trom
automobiles, electric
Picture not clear
) (picture moves
up or down, dis-
our
Soun
;
:
appears
periodi-
een
appliances,
etc.
interference.
cally,
becomes
'
*
Change
antenna
posi-
tuzzy
or
blurred,
tion,
Wy
5. Reception bad due
to weak signals,
buildings, mountains,
etc.
is doubled, etc}
In locations with poor
reception, it may not be
possible to get a clear
picture or any picture at
ali. (See page 28)