Used during the assembly or repair of a unit to align the laser pickup.
If you are experiencing playback issues, such as a "No Disc" error or frequent stuttering, a test disc is your first line of defense. sony dvd test disc
Use the disc’s menu to navigate to "Jitter Measurement" or "Servo Calibration" if your player supports an on-screen service mode. Used during the assembly or repair of a
Observe how quickly the player recognizes the disc format. sony dvd test disc
Before testing, ensure the laser lens is clean.
While primarily for marketing, these often included high-bitrate clips used to test the maximum data throughput of a drive. Why Use an Official Sony Disc?