Table of Contents
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5. SELECTING THE TEST MODE
There are 31 types of test modes as shown below. The groups can be switched by turning the ≠↔± dial. After selecting the group
[ENTER/YES]
to be used, press the
Refer to "Group" in the table for details selected.
All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.
Display
No.
TEMP CHECK
C01
LDPWR CHECK
C02
EF MO CHECK
C03
EF CD CHECK
C04
FBIAS CHECK
C05
Scurve CHECK
C06
VERIFY MODE
C07
DETRK CHECK
C08
TEMP ADJUST
C09
LDPWR ADJUST
C10
EF MO ADJUST
C11
EF CD ADJUST
C12
FBIAS ADJUST
C13
EEP MODE
C14
MANUAL CMD
C15
SVDATA READ
C16
ERR DP MODE
C17
SLED MOVE
C18
ACCESS MODE
C19
0920 CHECK
C20
HEAD ADJUST
C21
CPLAY2 MODE
C22
CREC 2MODE
C23
ADJ CLEAR
C24
AG Set (MO)
C25
AG Set (CD)
C26
Iop Read
C27
Iop Write
C28
INFOMATION
C29
CPLAY MODE
C30
CREC MODE
C31
• For details of each adjustment mode, refer to "6. Electrical Adjustments".
For details of "ERR DP MODE", refer to "Self-Diagnosis Function" on page 2.
• If a different mode has been selected by mistake, press the
• 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-
[MENU/NO]
tally, press the
overwrite the non-volatile memory and reset it, and as a result, the unit will not operate normally.
button. After setting a certain group, turning the ≠↔± dial switches between these modes.
Contents
Temperature compensation offset check
Laser power check
Traverse (MO) check
Traverse (CD) check
Focus bias check
S letter check
Non-volatile memory check
Detrack check
Temperature compensation offset adjustment
Laser power adjustment
Traverse (MO) adjustment
Traverse (CD) adjustment
Focus bias adjustment
Non-volatile memory control
Command transmission
Status display
Error history display, clear
Sled check
Access check
Outermost circumference check
Head position check
Same functions as CPLAY MODE
Same functions as CREC MODE
Initialization of non-volatile memory of adjustment value
Auto gain output level adjustment (MO)
Auto gain output level adjustment (CD)
IOP data display
IOP data write
Microprocessing version display
Continuous play mode
Continuous recording mode
button to exit the mode immediately. Be especially careful not to set the modes with (!) as they will
Group (
C: Check
S: Service
[MENU/NO]
button to exit that mode.
– 28 –
Mark
Group (
*
)
C
S
C
S
C
S
C
S
C
S
(X)
C
(X)
C
(X)
C
A
S
A
S
A
S
A
S
A
S
(X) (!)
D
(X)
D
(X)
D
S
(X)
D
(X)
D
(X)
D
(X)
D
(X)
D
(X)
D
A
S
A
S
A
S
C
S
A
S
C
S
C
A
S
D
C
A
S
D
)
*
A: Adjust
D: Develop
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