Troubleshooting Chart; Power Loss - Panasonic CT-20S2S Operating Instructions Manual

Troubleshooting Chart
Before you call for service, determine the symptoms and make a few simple checks shown below.
Symptoms
Picture Sound Check
SNOWY PICTURE
N--
MULTIPLE IMAGE
T
INTERFERENCE
NORMAL PICTURE
.,:.* . :..
::':.'-'_ "i"
NO VIDEO
NO PICTURE
NO COLOR
BLUE PICTURE
BLACK BOX IN
PICTURE
\
NOISY SOUND
NORMAL SOUND
\
NOISY SOUND
X
NO SOUND
\
NOISY SOUND
X
NO SOUND
NORMAL SOUND
X
NO SOUND
- 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)
- TRY ANOTHER CHANNEL
- TV SPEAKERS BUTTON (IF APPLICABLE) IN THE OFF MODE
- TV OR CABLE TUNING MODE SET TO PROPER SETTING
- ANTENNA INPUT CORRECT (IF APPLICABLE)
- CHECK THAT AC POWER LINE IS PLUGGED INTO AC OUTLET
- BRIGHTNESS & AUDIO CONTROLS SET PROPERLY
- TRY ANOTHER CHANNEL
- COLOR CONTROL SETTINGS
- TRY ANOTHER CHANNEL
- RECEIVER IN VIDEO MODE WITH NO SIGNAL (IFAPPLICABLE)
\
SOUND
- CC (CLOSED CAPTION) IN TEXT MODE
- SELECT 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 I
Servicer for repairs.
I
Prolonged power interruption causes the following features to reset to their factory preset state.
FEATURE FACTORY PRESET STATE I FEATURE FACTORY PRESET STATE
POWER OFF I SLEEP TIMER OFF
CLOCK NOT SET TIMER OFF
_anasonic Company
Jivision of Matsushita Electric
Corporation of America
One Panasonic Way
Secaucus, New Jersey 07094
Panasonic Company (West)
of America
Division of Matsushita Electric
Corporation of America
6550 Katella Ave.
Cypress, CA 90630
Matsushita Electric
of Canada Limited
5770 Ambler Drive
Mississauga, Ontario L4W 2T3
Canada
Panasonic Sales Company
Division of Matsushita Electric
of Puerto Rico, Inc.
Ave. 65 De Infanteria, KM 9.7
Victoria Industrial Park
Carolina, Puerto Rico 00630