Panasonic CT-27D20 Operating Instructions Manual page 21

Troubleshooting Chart
Troubleshooting Chart
Before calling for service, determine the symptoms and follow suggested solutions.
Noisy Audio
Noisy Audio
Normal Audio
Wrong Audio
Normal Audio
Multiple Image
Interference
Normal Video
No Video with Snow
Adjust Antenna Location and Connection
Check Antenna Lead-in Wire
Move TV from Electrical Appliances, Lights,
j
Vehicles, and Medical Equipment
Increase Volume
Check Mute
Check TV SPEAKERS on/off
Change Channel
Set TV or Cable Mode Properly
Check Antenna Cables
— Check Power Cord is Plugged into Active Outlet
Adjust Brightness and Audio Controls
Change Channel
Check Cable Connections
Program the Remote Control Again
No Video / No PIP Check Second Video Source Operation
Adjust Color Settings
Change Channel
Check Audio Is Set To Stereo Or Mono. Not SAP
Change CC (Closed Captioning) from Text Mode
Normal Audio
Intermittent Remote Control Operation