14
Useful service mode function
Select DriveJTCheck for Jitter value measurement.
If possible, check with the customer disc to reproduce their complaint, or check to see if
there is damage to the BU due to abnormal customer use. (For example, suspension bent,
lens cleaner, foreign materials inserted into the optical block, etc.)
1. Open the tray.
2. Insert any disc.
3. Close the tray.
4. Press PSN and set the measurement area address.
Please refer following address for each Format (inner to outer).
CD 200000 ~ 500000
DVD 200000 ~ 2200000
BD 1200000 ~ 12000000
5. Jitter value should be kept within following criteria.
CD
DVD
BD
Remarks (if JT Value larger than spec.)
Reference disc
1742
1643
1740
The BU suspicious
Market Disc
1808
1795
1932
Check disc dirty or deformation
※
Temperature Measurement function of [DriveMenu] is currently not available.
(always shows TEMP [0])
Jitter measurement
BDP UNIT ASSY REPAIR GUIDE
