Troubleshooting Chart - Panasonic TH-37PX25 Operating Instructions Manual

Troubleshooting Chart

Before calling for service, determine the symptoms and follow suggested solutions.
Symptoms
VIDEO
Snowy Video
Multiple Image
Interference
Normal Video
No Video with
Snow
No Video /
No PIP
No Color
Digitalization
of image
Image freeze up
Normal Video
Black Box on
Screen
Normal Video
Intermittent Remote Control Operation
Cannot select Antenna B
AUDIO
Noisy Audio • Adjust the antenna location and connection.
• Adjust the antenna location and connection.
Noisy Audio
• Check the antenna lead-in cable.
• Move the television away from electrical
Noisy Audio
appliances, lights, vehicles and medical
equipment.
• Increase volume.
• Check Mute.
No Audio
• Check Television Speakers on/off.
• Change channel.
• Set Input Setup properly.
Noisy Audio
• Check the antenna cables.
• Check the power cord is plugged into the wall
outlet.
• Adjust Brightness and Audio controls.
• Change channel.
• Check the cable connections.
• Program the remote control code.
No Audio
• Check the second video source operation.
• Make sure that a PC is not connected to HDMI
input. Rarely, the TV will not display video in
HDMI input from devices with HDMI or DVI
output due to bad communication between the
TV and the devices. Should this happens, unplug
the HDMI/DVI device and plug it back on.
• Adjust Color settings.
Normal Audio
• Change channel.
• Re-orient the ATSC antenna.
• Check signal meter. If the signal is weak, add a
Audio Break up
signal booster to boost the signal strength.
• Check the audio mode is set to Stereo or Mono,
Not SAP.
• Change the audio of the HDMI device to Linear
PCM.
Wrong Audio
• Check the audio setting for HDMI. If there is
functional problem with Digital Audio, use Analog
audio.
Normal Audio
• Change CC (Closed Caption).
Normal Audio
• Replace the remote control batteries.
• Perform Auto Scan.
Solutions Page
13, 14
13, 14
13, 14
-
23
20
29
23
36
13, 14
19
26,28,29
23
13-18
59-61
59-64
15
26, 27
23
-
38
21
-
29
39, 40
9
36
65