Panasonic CT-27G22 - Manual (Page 35)

Troubleshooting Chart
Before you call for service, determine the symptoms and make a few simple checks shown below.
Symptoms
Picture Sound
Check
4'
SNOWY PICTURE NOISY SOUND
- ANTENNA LOCATION AND/OR CONNECTION
ANTENNA DIRECTION AND/OR LOCATION
ANTENNA LEAD-IN WIRE
MULTIPLE IMAGE NOISY SOUND
4'
INTERFERENCE
''X
NOISY SOUND
ELECTRICAL APPLIANCES, LIGHTS. CARS AND TRUCKS
DIATHERMY AND OTHER MEDICAL EQUIPMENT
NORMAL PICTURE NO SOUND
VOLUME CONTROL SETTING
MUTE CONTROL (IF APPLICABLE)
TRY ANOTHER CHANNEL
TV SPEAKERS SWITCH (IF APPLICABLE) IN THE OFF POSITION
NO VIDEO NOISY SOUND
TV OR CABLE TUNING MODE SET TO PROPER SETTING
ANTENNA INPUT CORRECT (IF APPLICABLE)
NO PICTURE
CHECK THAT AC POWER LINE IS PLUGGED INTO AC OUTLET
BRIGHTNESS & AUDIO CONTROLS SET PROPERLY
TRY ANOTHER CHANNEL
NO SOUND
NO COLOR
%
NORMALSOUND
COLOR CONTROL SETTINGS
TRY ANOTHER CHANNEL
BLACK PICTURE
- RECEIVER IN VIDEO MODE WITH NO SIGNAL
NO SOUND
Power Loss
Prolonged power interruption causes the following features to reset to their factory preset state.
FEATURE FACTORY PRESET STATE FEATURE FACTORY PRESET STATE
POWER OFF CLOCK NOT SET
AUTO POWER ON NO CHANGE SLEEPTIMER OFF
VOLUME APPROX.-1/3 PROGRAM TIMER OFF
CHANNEL CH 03 ANTENNA MODE CABLE
PROGRAM MEMORY UNPROGRAMMED TV/VIDEO TV
VIDEO MENUS NORMALIZED PIP FEATURE OFF
STEREO/SAP/MONO STEREO TRILINGUAL MENU ENGLISH
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