Sony MDS-JE530 Service Manual page 18

5. SELECTING THE TEST MODE
There are 31 types of test modes as shown below. The groups can be switched by rotating the
[YES]
group 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
S curve CHECK C06
VERIFY MODE C07
DETRK CHECK C08
TEMP ADJUS C09
LDPWR ADJUS C10
EF MO ADJUS C11
EF CD ADJUS C12
FBIAS ADJUS C13
EEP MODE C14
Impossible C15
Impossible C16
ERR DP MODE C17
Impossible C18
Impossible C19
Impossible C20
Impossible C21
Impossible C22
Impossible C23
ADJ CLEAR C24
AG Set (MO) C25
AG Set (CD) C26
Iop Read C27
Iop Write C28
530 ****** C29
CPLAY MODE C30
CREC MODE C31
• For details of each adjustment mode, refer to "5. 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, rotating the
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
[ AMS ]
≠
Group (
C: Check
S: Service
[MENU/NO]
button to exit that mode.
– 18 –
[ AMS ]
≠ ± knob. After selecting the
±
knob switches between these modes.
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