Troubleshooting - Panasonic TH-86CQ2U Operating Instructions Manual

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.
Symptoms
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.
The screen turns off automatically.
Power indicator is blinking in red.
No remote control operations can be
performed.
No buttons on the unit operations can
be performed.
Unstable video
There are areas at the top and bottom
of the screen where picture is not
displayed.
Parts of the unit become hot.
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English
Sound
Electrical Appliances
Cars / Motorcycles
Fluorescent light
Noisy Sound
Volume
(Check whether the mute function has been activated on the remote
control.)
Make sure the volume is not set to minimum.
No Sound
Not plugged into AC outlet
Not switched on
Picture and Brightness/Volume setting
(Check by pressing the POWER ON ( ) button or STANDBY ( ) button.)
No Sound
If a signal with a non-applicable colour system format, or frequency is
input, only the input terminal indication is displayed.
Normal Sound
Colour controls set at minimum level (see page 32)
Normal Sound
Load noises from outside may be interfering with normal operation. Turn off
the power and turn it on after waiting at least 5 seconds, and then check
the operation.
Check the settings of [Power Management] may be set to [On]. (see page
38)
Temperature error (high temperature) has been detected. Review the
surrounding environment.
Are the batteries inserted with polarity (+,-) aligned? (see page 13)
Are the batteries exhausted?
Point the remote control unit toward the TV's remote control sensor. (see
page 24)
Check whether the option other than [Unlocked] is selected in [RC control
lock]. (see page 39)
Check whether the option other than [Unlocked] is selected in [Button
lock]. (see page 39)
The signal may be incompatible.
Try the automatic screen adjustment when PC input.
When using a video software program (such as a cinema size program)
with a screen wider than one in the 16:9 mode, blank areas separate from
the images are formed at the top and bottom of the screen.
Even when the temperature of parts of the front, top and rear panels has
risen, these temperature rises will not pose any problems in terms of
performance or quality.
Check