Sony KDS-R50XBR1 Training Manual page 60

Is Video Present? At this point the TV turns on properly and the Green
Power/Standby LED is glowing steady. Consequently, this indicates a
properly function power supply system, and properly operating circuits
monitored by the various protection circuits (No Red Power/Standby LED).
If a problems still exists it is mostly a missing or distorted video or audio
condition. This question addresses a "No Video" condition. If the answer
to this question is yes, you are directed to the "No Video Troubleshooting
Flowchart D." This flowchart provides detailed troubleshooting procedures
specifically for a "No Video" condition.
Is Video
Distorted?
Is the Video Distorted? If video is present, however, it is distorted; you
are directed to the "Video Distortion Troubleshooting Flowchart E". The
procedures in this flowchart are designed to troubleshoot an individual
input problem.
TVP-21
Is Video No
Present?
Yes
Yes
No
Is Audio
Present?
Is Audio Present? Finally, if the Green Power/Standby LED glows
steady and the video is present and undistorted, then the only function
left to check is the audio system. If the audio is missing or distorted you
are directed to the "Missing or Distorted Audio Troubleshooting Flowchart
G" for detailed audio system troubleshooting procedures.
If the Green Power/Standby LED glows steady, the video is present and
undistorted, the audio is present and undistorted then the TV is working
fine and you are directed to the final block in the flowchart shown below.
2. Initial Contact Analysis
No
Yes
GO HOME
No Problem
Found
Unit Fully
Operational
57