LG LAN-8680MH, Service Manual

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- 9-3 -
Power doesn’t
turn on.
The unit doesn’t
operate.
Playback is not
possible.
No sound is
heard.
The volume
level will not
rise.
There’s no
sound.
There’s audio
skipping.
The unit does
not operate
correctly even
when the
appropriate
remote control
buttons are
pressed.
• Leads and connectors are not
properly connected.
• The fuse is blown.
• Noise and other factors are
causing the built-in
microprocessor to operate
incorrectly.
• The disc is dirty.
• The loaded disc is of a type this
unit cannot play.
• Cables are not connected
correctly.
• The volume level is too low.
• This unit is not firmly secured.
• Battery power is low.
• Some operations on certain
discs are limited.
• Confirm once more that all
connections are correct.
• Rectify the problem that caused
the fuse to blow and then replace
it. Be very sure to install the
correct fuse with the same rate.
• Turn the unit off and then on.
• Clean disc.
• Check what type the disc.
• Connect the cables correctly.
• Adjust the volume.
• Secure this unit firmly.
• Load new battery.
• Check using another disc.
Symptom Cause Correction