Troubleshooting - Panasonic TH-75EQ1W 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.
Power automatically turns off
unexpectedly.
Power indicator is blinking in red.
No remote control operations can be
performed.
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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.)
No Sound
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
No Sound (ON/OFF) button>.)
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 42, 44)
Normal Sound
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 31)
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 57)
There is possibility of malfunction. Please contact an Authorized Service
Centre.
Check whether the batteries have discharged completely and, if they have
not, whether they were inserted properly.
Check whether the remote control sensor is exposed to an outdoor light or
a strong fluorescent light.
Check whether any obstacle is present between the remote control sensor
and the remote control. (see page 28)
If the installation condition is normal, pull out the remote control sensor
from the edge side of the main unit when using.
Check whether the remote control designed specifically for use with the
unit is being used. (The unit cannot be operated by any other remote
control.)
Check whether the option other than [Off] is selected in [Controller user
level]. (see page 75)
Check whether [Controller ID function] is set to [On]. (see page 73)
Check whether <ID MODE> switch is set to <ON>. (When using ID remote
controller) (see page 116)
Check