Troubleshooting Chart - Panasonic CT-27SF13U Operating Instructions Manual

Troubleshooting Chart
Before you call for service, determine the symptoms and make a few simple checks shown below•
Symptoms
Picture
SNOWY PICTURE
N;
MULTIPLE IMAGE
INTERFERENCE
•
,
NORMAL PICTURE
.IS...: : '.-..
• •, , • ° •
•,':,..o-'£,
NO VIDEO
NO PICTURE
T
NO COLOR
BLUE PICTURE
..... PC,:
",• ° ° o°
I'":"':"i...
°1° !, ,. .
NO VIDEO
m
BLACK BOX IN
PICTURE
Sound
\
NOISY SOUND
NORMAL SOUND
\
NOISY SOUND
X
NO SOUND
\
NOISY SOUND
X
NO SOUND
NORMAL SOUND
X
NO SOUND
NOISY SOUND
\
SOUND
Check
- ANTENNA LOCATION AND/OR CONNECTION
- ANTENNA DIRECTION AND/OR LOCATION
- ANTENNA LEAD-IN WIRE
- ELECTRICAL APPLIANCES, LIGHTS, CARS AND TRUCKS
- DIATHERMY AND OTHER MEDICAL EQUIPMENT
- VOLUME CONTROL SETTING
- MUTE CONTROL (IF APPLICABLE)
- TV SPEAKER SWITCH (IF APPLICABLE) IN OFF OR EXT POSITION
- TRY ANOTHER CHANNEL
- TV/ANT-CABLE TUNING SYSTEM SET TO PROPER SETTING
- ANTENNA INPUT MODE INCORRECT
- CHECK THAT AC POWER LINE IS PLUGGED INTO AC OUTLET AND
POWER BUTTON IS ON
- BRIGHTNESS AND AUDIO CONTROLS SET PROPERLY
- TRY ANOTHER CHANNEL
- COLOR CONTROL SETTINGS
- TRY ANOTHER CHANNEL
- RECEIVER IN VIDEO MODE WITH NO SIGNAL
- CHANNEL LOCKOUT FEATURE ACTIVATED
- CC (CLOSED CAPTION) IN TEXT MODE
- PUT IN CAPTION OFF MODE TO ELIMINATE BLACK BOX
Should this unit turn ON momentarily and then turn OFF, or fail to operate, unplug the AC cord, and contact your
Authorized Servicer for repairs.
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