Panasonic CT-20G21 - 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
- ANTENNA LOCATION AND/OR CONNECTION
SNOWY PICTURE NOISY SOUND
MULTIPLE IMAGE NORMALSOUND
ANTENNA DIRECTION AND/OR LOCATION
ANTENNA LEAD-IN WIRE
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INTERFERENCE
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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
TV OR CABLE TUNING MODE SET TO PROPER SETTING
ANTENNA INPUT CORRECT (IF APPLICABLE)
NOISY SOUND
NO PICTURE
CHECKTHATAC POWER LINE IS PLUGGED INTO AC OUTLET
BRIGHTNESS & AUDIO CONTROLS SET PROPERLY
TRY ANOTHER CHANNEL
NO SOUND
NO COLOR
di
NORMAL SOUND
COLOR CONTROL SETTINGS
TRY ANOTHER CHANNEL
- RECEIVER IN VIDEO MODE WITH NO SIGNAL
BLUE PICTURE NO SOUND □
BLACK BOX IN
PICTURE
di'
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 Servicer for repairs
Panasonic Sales Company,
□¡vision of Matsushita Electric
of Puerto Rico Inc (“P5C”)
Ave 65 de Infanteria, Km 9 5
San Gabriel Industrial Park
Carolina, Puerto Rica Ü09B5
Tel (BÜ9) 75D-4300
FAX (BÜ3) 76B-2910
Matsushita Consumer Electronics
Company, Division of Matsushita
Elecinc Corporation of America
One Panasonic Way
Secaucus, New Jersey 07094
Matsushita Electric of Canada Limited
5770 Ambler Drive
Mississauga, Ontano L4W 2T3
Canada
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