LG BH4120SN Service Manual page 22

DIGITAL DISPLAY & MEDIA TRAINING MASTER
3-2. Poor Color
The color is poor. Examples would be washed out colors, colors bleeding into one another, or a solid tint
to a screen.
What cables is the customer
using to connect the BD?
YES
Is the TV set to the correct input?
YES
Is color fine when watching
multiple discs?
YES
Is color fine when watching a TV
program?
YES
Is color fine when the BD is
connected to another TV?
YES
Has the customer tried another
set of cables?
Determine what cables the customer is using to connect the BD to the
NO
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.
Copy protection can distort the picture on older VCR models.
Make sure the TV is on the correct input according to the connections in
NO
use. Video when using composite, or component. DVI when using DVI,
One disc displaying the issue is a problem with the disc. Make sure the
NO
discs the customer is using are compatible with the BD by checking
"playable discs" in the owners manual. Multiple discs displaying the
problem indicates a problem with BD-HTS.
If the cable or satellite programming is connected through another input
NO
and the customer does not get color, the customer has a problem with his
television. If a TV program does have the color, the problem may be BD-
HTS, the cables being used, or the TV itself.
Connect the BD to another TV and play a disc. Good color during disc
NO
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
NO
video problems. Test the cable with another device to the TV to also
determine if the TV is bad. If the BD is the problem, please see service
2-13
and HDMI when using HDMI.
chart for service information.