Troubleshooting - Panasonic TH-55AF1U Operating Instrctions

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.
Picture
Interference
Normal
Picture
No Picture
No Picture
No Colour
A display error such as "no picture" occurs, or remote
control operation is suddenly disabled.
Power automatically turns off unexpectedly.
Power indicator is blinking in red.
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English
Symptoms
Sound
Noisy Sound
No Sound
No Sound
Normal Sound
Normal Sound
Electrical Appliances
Cars / Motorcycles
Fluorescent light
Volume
(Check whether the mute function has been activated on the
remote control.)
Not plugged into AC outlet
Not switched on
Picture and Brightness/Volume setting
(Check by pressing the <Main Power On / Off button> or the
<Standby (ON/OFF) button>.)
If a signal with a non-applicable colour system format,
or frequency is input, only the input terminal indication is
displayed.
Colour controls set at minimum level (see page 71, 73)
This unit incorporates highly-advanced software. If you
notice an abnormal operation such as "Remote control
cannot be operated" or "Display is disturbed", remove the
power plug from the socket outlet, and inset it again after 5
seconds or more to turn the power on. (see page 35)
Check the settings of [No signal power off], [HDMI1 power
management], [HDMI2 power management], [DVI-D power
management], [PC power management] and [No activity
power off]. Any of them may be set to [On (Enable)]. (see
page 81)
There is possibility of malfunction. Please contact an
Authorized Service Centre.
Check