5. Electrical Adjustments - Sony MXD-D400 Service Manual

5. SELECTING THE TEST MODE
There are 26 types of test modes as shown below. The groups can be switched by turning the
the group to be used, press the
modes.
Refer to "Group" in the table for details can be selected.
All items used for servicing can be treated using group [Service]. So be carefully not to enter other groups by mistake.
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
Display No.
AUTO CHECK C01 Automatic self-diagnosis
Err Display C02 Error history display, clear
TEMP ADJUS C03 Temperature compensation offset adjustment
LDPWR ADJUS C04 Laser power adjustment
Iop Write C05 Iop data writing
Iop NV Save C06 Writes current Iop value in read nonvolatile memory using microprocessor
EF MO ADJUS C07 Traverse (MO) adjustment
EF CD ADJUS C08 Traverse (CD) adjustment
FBIAS ADJUS C09 Focus bias adjustment
AG Set (MO) C10 Auto gain output level adjustment (MO)
AG Set (CD) C11 Auto gain output level adjustment (CD)
TEMP CHECK C12 Temperature compensation offset check
LDPWR CHECK C13 Laser power check
EF MO CHECK C14 Traverse (MO) check
EF CD CHECK C15 Traverse (CD) check
FBIAS CHECK C16 Focus bias check
ScurveCHECK C17 S-curve check
VERIFYMODE C18 Nonvolatile memory check
DETRK CHECK C19 Detrack check
0920 CHECK C25 Most circumference check
Iop Read C26 Iop data display
Iop Compare C27 Comparison with initial Iop value written in nonvolatile memory
ADJ CLEAR C28 Initialization of nonvolatile memory for adjustment values
INFORMATION C31 Display of microprocessor version, etc.
CPLAY 2MODE C36 Continuous playback mode
CREC 2MODE C37 Continuous recording mode
• For details of each adjustment mode, refer to "SECTION 5. Electrical Adjustments".
For details of "Err Display" (C02), refer to "Self-Diagnosis Function" on page 2.
• If a different mode has been selected by mistake, press the
• Modes with (×) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set acciden-
[MENU/NO]
tally, press the
[YES]
button. After setting a certain group, turn the
[MENU/NO]
Details
button to release the mode immediately.
[ AMS
l
button immediately to exit the [Develop] group.
[MENU/NO]
button to release that mode.
MXD-D400
[ AMS ]
l L (MD) knob. After selecting
]
L (MD) knob switches between these
Group
Mark
Check Service
29