LG BH5140S Service Manual page 26

DIGITAL DISPLAY & MEDIA TRAINING MASTER
2-5. Invalid Format or Format Not Supported
Is the customer using a digital
cable connection?
YES
Is the customer using an analog
cable connection?
YES
Is the display HDCP compliant?
YES
Has the customer tried the device
on another display?
YES
Has the customer tried another
cable?
Customer's using an DVI, or HDMI cable connection need to set the
NO
resolution on the product above 480i. HDMI, DVI connections can not
process a 480i resolution. They can only process a 480p, 720p, 1080i, or
Make sure the customer's simultaneously connecting analog component
cable with HDMI cable. And then If Copy Protected Disc is playing back,
NO
analog component output is no picture. Only when the analog output is
480i, you can see the picture. In case of No Copy Protected Disc, you can
see the picture regardless of the resolution.
Make sure the display is HDCP compliant when using a DVI or HDMI
NO
connection. A lack of HDCP compliancy on the display may cause an
invalid format or format not supported message to appear. It can also
cause a copy protection OSD to appear.
Ask the customer to connect the device to another display. If the device
NO
starts working, then the problem may be the original display.
The customer will need to troubleshoot the display. If the device still
does not work, then the problem may be the device or the cable.
Ask the customer to replace the cable between the device and display.
NO
If the problem is corrected, then the problem was with the cable. If the
problem continues, then the device is the problem. Set up service
according to in warranty or out of warranty procedures.
2-11
1080p resolution.