Panasonic CT-20G12 - Manual (Page 24)

Troubleshooting Chart
Before you call for service, determine the symptoms and make a few simple checks shown below.
Symptoms
Picture Sound
Check
SNOWY PICTURE
K
NOISY SOUND
il - ANTENNA LOCATION AND/OR CONNECTION
MULTIPLE IMAGE NOISY SOUND
ANTENNA DIRECTION AND/OR LOCATION
ANTENNA LEAD-IN WIRE
DEVICESCONNECTEDTO FRONT AND REAR AA/JACKS ON AT
THE SAME TIME
(t
INTERFERENCE 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
é
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
COLOR CONTROL SETTINGS
TRY ANOTHER CHANNEL
NO COLOR NORMALSOUND
- RECEIVER IN VIDEO MODE WITH NO SIGNAL
BLACK PICTURE 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 SLEEP TIMER OFF
VOLUME APPROX.-1/3 PROGRAM TIMER OFF
CHANNEL CH 03 ANTENNA MODE CABLE
PROGRAM MEMORY UNPROGRAMMED TVA/IDEO TV
VIDEO MENUS NORMALIZED TRILINGUAL MENU ENGLISH
STEREO/SAP/MONO STEREO
Panasonic Sales Company,
Division of Matsushita Electric
of Puerto Rico Inc. (“PSC”)
Ave, 65 de Infanteria, Km 9.5
San Gabriel Industrial Park
Carolina, Puerto Rico 00985
Tel. (787) 750-4300
FAX. (787) 768-2910
Panasonic Consumer Electronics
Company, Division of Matsushita
Electric Corporation of America
One Panasonic Way
Secaucus, New/ Jersey 07094
Panasonic Canada Inc.
5770 Ambler Drive
Mississauga, Ontario L4W 2T3
Canada
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