20
Troubleshooting
General TV Operation
Symptom
1. A fan is running even while the TV
is
powered
off.
2.
The
fan
gets louder after the
TV
is
shut off.
3.
The
TV
remote control does not work.
4.
When
I try to
use
the remote control, the
POWER
key
blinks five times.
5. TV does not respond to the remote control or
to control-panel buttons and TV will not power
on or off.
6.
When
a device
is
selected from the Activity
menu,
the screen
is
blue or black
(no
signal
source).
7.
You
have forgotten your Lock menu pass
code.
8. Rating restrictions
are
not working.
9. On-screen displays appear each time
you
change a function.
10. A warning message appeared on screen
stating, "TV will shut down
in
a few seconds.
Please check if the air flow is blocked."
11.
I
have
turned
on
CEC
for
my
HOMI
devices
but
control
is
erratic
and
I
wish
to
disable
it.
Remarks
The room
is
too warm. When the TV is off, internal components
continue
to
draw power and must be cooled by the fan.
Normal operation. The fan speeds
up
to
cool the lamp quickly
after
the
TV has been shut off.
• Check that the batteries
are
fresh and installed correctly.
• Check that the control mode
on
the remote
is
set to
TV.
•
Be
no
more
than
20
feet
from
the
TV
when
using
the
remote
control.
• Program the remote control to operate the
TV
or other device.
•
Reset
the remote control.
Replace the batteries.
Unplug the AC power cord for 10 seconds.
Press and hold the POWER button on the control panel for 10
seconds to perform system reset.
• Make sure the selected device is turned on.
• Begin play
of
the device.
When prompted for the pass code, press the number 9 and
(i)
(LAST) keys on the TV remote control
at
the same time. This
process temporarily unlocks the
TV.
Open the
Lock>
Parental Lock menu and:
• Verify that the ratings locks are active.
• Check the Lock Time/Unlock Time to check if rating restric-
tions are disabled.
• Rating restrictions apply only to content on the ANT
in~ut.
Normal
TV
operation.
• Internal TV temperature has exceeded proper levels. Cool
the room.
• The TV has overheated. Clear blocked air vents and ensure
at least four inches
of
clearance on all sides
of
the
TV.
• Clean the air filter on the lamp cartridge.
• First turn
off
the TV's HDMI control for the specific device.
Open the
Inputs>
HDMI Control menu, select the device,
select Off.
• Disable CEC on the device itself. See the device's instruc-
tions.
• If the problem persists,
do
the following:
1. Disconnect the device from
the
TV.
2.
Reconnect
the
device
to
the
TV
and
Auto
Input
Sensing
will
recognize
the
device with
CEC
disabled.
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