Troubleshooting And Maintenance; Problems/Causes/Solutions - Black Box AVS404-H User Manual

Chapter 5: Troubleshooting and Maintenance

5. Troubleshooting and Maintenance

5.1 Problems/Causes/Solutions

Problem:
Color is lost or no video signal output.
Cause #1:
Cables may not be connected correctly or may be broken.
Solution #1:
Check whether the cables are connected and in working order.
Cause #2:
Failed or loose connection.
Solution #2:
Make sure the connection is good.
Problem:
No output image when switching.
Cause #1:
No signal at the input/output end
Solution #1:
Check with oscilloscope or multimeter if there is any signal at the input/ output end.
Cause #2:
Failed or loose connection.
Solution #2:
Make sure the connection is good.
Cause #3:
Input source is HDCP but HDCP compliance is switched off.
Solution #3:
Send command /%[x]:[1]. to change HDCP compliance status.
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