LG HT806TGW Service Manual page 17

DIGITAL DISPLAY & MEDIA TRAINING MASTER
1-5. Blurry 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 DVD?
YES
Is the TV set to
the correct input?
YES
Does blurriness appear when
watching multiple discs?
YES
Does blurriness appear when
watching a TV program?
YES
Does blurriness appear
when the DVD is connected to
another TV?
YES
Has the customer tried
another set of cables?
Determine what cables the customer is using to connect the DVD to
the TV and if connected properly. Refer to OM for connections.
NO
Tighten any loose cables. Make sure the customer is not connecting
a DVD to VCR. Copy protection can distort
Make sure the TV is on the correct input. Turn TV off,
NO
then on to determine input. Video when using composite, or component.
DVI when using DVI, and HDMI when using HDMI.
One disc displaying the issue is a problem with the disc.
NO
Multiple discs displaying the problem could indicate the DVD lens
needs to be cleaned. Recommend the customer use a lens cleaner on
the DVD. A lens cleaner is available at any local electronics retailer.
Blurriness appearing when watching a TV program indicates an
NO
issue with the display. If the TV program is fine, then connect
the DVD to another input on the display to determine if the problem
Connect the DVD to another TV and play a disc. No blurriness
during disc play back indicates a problem with the first TV.
NO
Please refer to the owners manual for instructions on how to connect
the DVD to a TV. If the DVD has a problem on the second TV,
then see service chart for service information.
Have the customer try another set of cables.
NO
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 DVD is problem,
please see service chart for service information.
2-6
the picture on older VCR models.
is following the DVD.