LG LHB535 Service Manual page 16

DiGiTAL DISPLAY & MEDIA TRAiNiNG MASTER
1=2. Ghost Picture
Distorted picture refers to the customer getting video, but there is a problem with the video.
What cables is the customer
using to connect the BD?
I YES
Is the TV set to
the correct input?
I YES
Do ghosting appear when
watching multiple discs?
YES
Do lines appear when
watching a TV program?
YES
Does ghosting
appear when the BD is
connected to another TV?
YES
Has the customer tried
another set of cables?
NO
NO
NO
NO
NO
NO
l Determine what cables the customer is using to connect the BD to
the TV and if connected properly. Refer to OM for connections.
Tighten any loose cables. Make sure the customer is not connecting a
BD to VCR or BD to DVD Recorder. Copy protection can distort
the picture on older VCR models.
Make sure the TV is on the correct input. Turn TV off,
then on to determine input. Video when using composite,
or component. DVl when using DVl, and HDMI when using HDMI.
I
One disc displaying the issue is a problem with the disc.
Multiple discs displaying the problem could indicate the BD lens
needs to be cleaned. Recommend the customer use a lens cleaner
on the BD. A lens cleaner is available at any local electronics retailer.
I
Ghosting appearing when watching a TV program indicates an
issue with the display. If the TV program is fine, then connect
the BD to another input on the display to determine
if the problem is following the BD.
f Connect the BD to another TV and play a disc.
No ghosting during disc play back indicates a problem with the first TV.
Please refer to the owners manual for instructions on how to
connect the BD to a TV. If the BD has a problem on the second TV,
then see service chart for service information.
Have the customer try another set of cables. A bad cable can
also cause video problems. Test the cable with another device to
the TV to also determine if the TV is bad. If BD is problem,
please see service chart for service information.
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2=3
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Only for training and service purposes.