Training Master; No Sound From Speakers - LG MCV1306 Service Manual

1. NO SOUND FROM SPEAKERS

Are the speaker cables connected correctly
between the speaker terminals on the unit
and the speakers?
Does the customer select correctly
the input function he or she wants to listen to?
After pressing FUNCTION,
is "CD, USB, AUX, IPOD, AM or FM" displayed?
Turn the master volume clockwise
for the volume up.
Is there any sound from the selected input source?
(AUX IN, USB, TUNER or CD Disc)
Are the sound spectrum level LEDs
on the left and right side of the front panel
being changed up and down
according to the sound input gain?
The sound is output from the speakers.
Sound OK

TRAINING MASTER

YES
YES
YES
YES
YES
YES
YES
Make sure to connect the cables to each specified
NO
connector tightly on the unit.
Connect the woofer cables to the WOOF SYSTEM
connectors on the rear panel.
NO
Make sure to connect some cables like A/V cables
and FM/AM antenna cables.
NO
Make sure to select the desired input function
pressing FUCTION button.
The volume level LEDs around the master volume
NO
will be turned on more and more
while turning it clockwise for the volume up.
Refer to a device's instruction manual
NO
and then check if there is sound output from it
connecting another audio system.
The sound spectrum level LEDs will be turned on/off
NO
repeatedly at regular intervals. The speakers cables
might be short-circuited with the chassis ground.
Be careful not to be shorted each other.
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