General troubleshooting – LG 42CQ610H User Manual
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GENERAL TROUBLESHOOTING
GENERAL TROUBLESHOOTING
Installation
Symptom
Possible Cause(s)
Possible Solution(s)
Cannot direct enter
channel number.
y
y
(TV in Pass-through Mode) Installer
Menu item 028 CH. OVERIDE is set
to 0, i.e., disabled (recommended
setting).
y
y
If the channel lineup is locked, only channels
that are active in the TV’s channel lineup can
be selected. Set Installer Menu item 028 CH.
OVERIDE to 1 to allow access for direct keypad
entry to all channels.
y
y
(TV in FTG Mode) The channel entered
is not part of the FTG Channel Map.
y
y
Channel access is restricted to channels
included in the FTG Channel Map. If necessary,
make changes to the FTG Channel Map using
the FTG File Manager or the FTG Configuration
Application, as appropriate.
No channels present after
setup.
y
y
Auto Tuning (Channel Search) not run.
y
y
Refer to Express Script or Custom Master TV
Setup procedure, as appropriate. Auto Tuning
must be run in order for the channel lineup
to be populated. Note for Express Script: You
must select “Execute Auto Search” in the Auto
Search screen to run the search. To re-activate
the Express Script, set Installer Menu item 117
FACT DEFAULT to 001.
Picture Reception and Sound
Symptom
Possible Cause(s)
Possible Solution(s)
No picture.
y
y
TV is turned OFF.
y
y
Turn TV ON.
y
y
Power failure?
y
y
Antenna/cable not connected.
y
y
Connect antenna/cable signal to TV.
y
y
Connections incorrect.
y
y
Check connections on TV.
y
y
MPI not connected
y
y
If applicable, connect MPI cable to MPI device.
y
y
Encrypted program.
y
y
Try another channel.
y
y
Wrong tuning band.
y
y
Adjust Installer Menu settings.
Normal picture, poor or
no sound.
y
y
Broadcast problem.
y
y
Try a different channel.
y
y
Audio muted
y
y
Press MUTE or use Volume Up key to increase
sound level.
y
y
Pillow/TV speaker not configured
properly.
y
y
Check that Installer Menu items 020 FEATURE
LEVEL and 027 HOSPITAL MODE are set as
required. Also, if applicable, select TV Speaker in
the Audio Menu.
Erratic Operation
Symptom
Possible Cause(s)
Possible Solution(s)
Installer Menu setup.
y
y
Wrong Installer Menu settings.
y
y
Adjust Installer Menu settings as required.