4-5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by rotating the lAMS L knob. After selecting the group to be used, press the YES button. After setting a certain group, rotating the lAMS L knob switches between these modes. Refer to “Group” in the table for details selected.
All adjustments and checks during servicing can be performed in the test mode in the Service group.
NOTE: Do not use the test mode in the [Develop] group. If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the
MENU/NO button immediately to exit the [Develop] group.
Display
AUTO CHECK
Err Display
TEMP ADJUS
LDPWR ADJUS
Iop Write
Iop NV Save
EF MO ADJUS
EF CD ADJUS
FBIAS ADJUS
AG Set (MO)
AG Set (CD)
TEMP CHECK
LDPWR CHECK
EF MO CHECK
EF CD CHECK
FBIAS CHECK
ScurveCHECK
VERIFYMODE
DETRK CHECK
0920 CHECK
Iop Read
Iop Compare
ADJ CLEAR
INFORMATION
CPLAY1MODE
CREC 1MODE
Group
No. | Details | Mark |
Check | Service |
C01 Automatic
C02 Error history display, clear
C03 Temperature compensation offset adjustment
C04 Laser power adjustment
C05 Iop data writing
C06 Writes current Iop value in read nonvolatile memory using microprocessor
C07 Traverse (MO) adjustment
C08 Traverse (CD) adjustment
C09 Focus bias adjustment
C10 Focus, tracking gain adjustment (MO)
C11 Focus, tracking gain adjustment (CD)
C12 Temperature compensation offset check
C13 Laser power check
C14 Traverse (MO) check
C15 Traverse (CD) check
C16 Focus bias check
C17
C18 Nonvolatile memory check
C19 Detrack check
C25 Most circumference check
C26 Iop data display
C27 Comparison with initial Iop value written in nonvolatile memory
C28 Initialization of nonvolatile memory for adjustment values
C31 Display of microprocessor version, etc.
C34 Continuous playback mode
C35 Continuous recording mode
•For details of each adjustment mode, refer to “5. Electrical Adjustments”. For details of “Err Display”, refer to
•If a different mode has been selected by mistake, press the MENU/NO button to exit that mode.
•Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden- tally, press the MENU/NO button to exit the mode immediately.
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