23
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
CPLAY2MODE
CREC 2MODE
Details
Automatic self-diagnosis
Error history display, clear
Temperature compensation offset adjustment
Laser power adjustment
Iop data writing
Writes current Iop value in read nonvolatile memory using microprocessor
Traverse (MO) adjustment
Traverse (CD) adjustment
Focus bias adjustment
Focus, tracking gain adjustment (MO)
Focus, tracking gain adjustment (CD)
Temperature compensation offset check
Laser power check
Traverse (MO) check
Traverse (CD) check
Focus bias check
S-curve check
Nonvolatile memory check
Detrack check
Most circumference check
Iop data display
Comparison with initial Iop value written in nonvolatile memory
Initialization of nonvolatile memory for adjustment values
Display of microprocessor version, etc.
Continuous playback mode (CLV2)
Continuous recording mode (CLV2)
4-5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by press the
.
or
>
button. After selecting the group
to be used, press the
7
button. After setting a certain group, press the
.
or
>
button 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.
• For details of each adjustment mode, refer to “5. Electrical Adjustments”.
For details of “Err Display”, refer to “Self-Diagnosis Function” on page 2.
• If a different mode has been selected by mistake, press the
x
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
x
button to exit the mode immediately.
Mark
Group
Check
Service
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
x
button immediately to exit the [Develop] group.
