Useful Service Mode - Sony BDP 5G Repair Manual

Useful service mode function
Jitter measurement
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).
5. Jitter value should be kept within following criteria.
Reference disc
Market Disc
※Temperature Measurement function of [DriveMenu] is currently not available.
(always shows TEMP [0])
BDP UNIT ASSY REPAIR GUIDE
CD 200000 ~ 500000
DVD 200000 ~ 2200000
BD 1200000 ~ 12000000
CD DVD BD
1742 1643 1740 The BU suspicious
1808 1795 1932 Check disc dirty or deformation
Remarks (if JT Value larger than spec.)
14