Picture - LG HB954TB Service Manual

TRAINING MASTER FOR BLU-RAY (BD)
2. NO PICTURE
2-1. Black Screen
The entire screen is black.
What cables is the customer
using to connect the BD?
YES
Is the TV set to
the correct input?
YES
Is the customer able to
watch TV programming?
YES
Can the customer connect
the BD to another TV?
YES
Has the customer tried
another set of cables?
Determine what cables the customer is using to connect the BD to
NO
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
NO
Make sure the TV is on the correct input. Turn TV off,
then on to determine input. Video when using composite,
or component. DVI when using DVI, and HDMI when using HDMI.
If the customer is not able to watch television then he may have a
NO
problem with his television, especially if the cable signal comes
through on a different input. If the customer can not get a TV program,
then he still may have a problem with the particular input on his TV.
Have the customer connect the BD to another TV in order to
NO
determine if the problem is the BD or the TV. Refer to the OM for
connections assistance. If the BD works on the second TV,
then the customer has a problem with his TV.
Have the customer try another set of cables. A bad cable can
NO
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.
2-7
the picture on older VCR models.