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– 29 –

•

Install the part A of lever (head up)
to pass over the slider complete ass’y.

part A

OK

NG

Take care not to damage
the detective switch.

slider ass’y

– 30 –

1. As loading related operations will be performed regardless of

the test mode operations being performed, be sure to check
that the disc is stopped before setting and removing it.  Even if
the  

6  button is pressed while the disc is rotating during con-

tinuous playback, continuous recording, etc., the disc will not
stop rotating.  Therefore, it will be ejected while rotating.  Be
sure to press the  

6  button after pressing the  NO  button and

the rotation of disc is stopped.

2. The erasing-protection tab is not detected in the test mode.

Therefore, operating in the recording laser emission mode and
pressing the  

r REC  button, the recorded contents will be

erased regardless of the position of the tab.  When using a disc
that is not to be erased in the test mode, be careful not to enter
the continuous recording mode and traverse adjustment mode.

1. Continuous recording mode (CREC MODE)
2. Traverse adjustment mode (EFBAL ADJUST)
3. Laser power adjustment mode (LDPWR ADJUST)
4. Laser power check mode (LDPWR CHECK)
5. When pressing the

r REC button.

With the power supply to the set in OFF (standby) status, press the
 

p  button and  NO  button simultaneously, and the test mode is

activated.

Press the  FUNCTION  button, and the power is turned OFF
(standby status) and the set becomes ready for normal operation.

All operations are performed using the  

=  0   button,

 

) +  button,  YES  button, and  NO  button.  The functions

of these buttons are as follows.

Thirteen test modes are selected by pressing the  

= 0  but-

ton, and  

) +  button.

•

For detailed description of each adjustment mode, refer to the
“5. ELECTRICAL ADJUSTMENTS”.

•

If a different adjustment mode has been selected by mistake,
press the  NO  button to exit from it.

*1: The EEP MODE, Scurve CHECK, MANUAL CMD and

SVDATA READ are not used in servicing.  If set accidentally,
press the  NO  button immediately to exit it.

Button

Function

=0 button
)+ button

YES button

Proceeds onto the next step.
Finalizes input.

NO button

Returns to previous step.
Stops operations

Changes parameters and modes.

Display

Contents

TEMP ADJUST

Temperature compensation offset
adjustment

LDPWR ADJUST

Laser power adjustment

LDPWR CHECK

Laser power check

EFBAL ADJUST

Traverse (E-F balance) adjustment

FBIAS ADJUST

Focus bias adjustment

FBIAS CHECK

Focus bias check

CPLAY MODE

Continuous playback mode

CREC MODE

Continuous recording mode

DETRK CHECK

Detrack check

Scurve CHECK

S curve check (*1)

EEP MODE

Non-volatile memory mode (*1)

MANUAL CMD

Manual command transfer mode (*1)

SVDATA READ

Data reading out mode (*1)

– 31 –

1. Set the disc in the unit. (Whichever recordable discs or discs

for playback only are available.)

2. Press the  

= 0  button or  ) +  button and display

“CPLAY MODE”.

3. Press the  YES  button to change the display to “CPLAY MID”.
4. When access completes, the display changes to

“C1= 

 AD=

 

”.

Note: The numbers “

   

” displayed show you error rates and ADER.

1. Press the  YES  button during continuous playback to change

the display as below.

2. When access completes, the display changes to

“C1=

 

 AD=

 

 

”.

Note: The numbers “

   

” displayed show you error rates and ADER.

1. Press the  NO  button.  The display will change to “CPLAY

MODE”.

2. Press the  

6  button and remove the disc.

Notes:
1. The playback start address for IN, MID, and OUT are as fol-

lows.
IN

: 40h cluster

MID : 300h cluster
OUT : 700h cluster
In case you want to display the address of the playback posi-
tion on the display, press the  DISPLAY  button and display
“CPLAY (

 

 

)”.

2. The  NO  button can be used to stop playing anytime.

1. Set the MO disc in the unit. (Refer to note 3.)
2. Press the  

= 0  button or  ) +  button and display

“CREC MODE”.

3. Press the  YES  button to change the display to “CREC MID”.
4. When access completes, the display changes to “CREC (

)”

and  PRESET  lights up.

Note: The numbers “ ” displayed shows you the recording posi-

tion address.

1. When the  YES  button is pressed during continuous record-

ing, the display changes as below. (  PRESET  indication turns
off during change-over of display.)

2. When access completes, the display changes to “CREC (

)”

and  PRESET  lights up.

Note: The numbers “ ” displayed shows you the recording posi-

tion address.

1. Press the  NO  button.  The display will change to “CREC

MODE” and  PRESET  goes off.

2. Press the  

6  button and remove the disc.

Notes:
1. The recording start address for IN, MID, and OUT are as fol-

lows.
IN

: 40h cluster

MID : 300h cluster
OUT : 700h cluster

2. The  NO  button can be used to stop recording anytime.
3. During the test mode, the erasing-protection tab will not be

detected.  Therefore be careful not to set the continuous re-
cording mode when a disc not to be erased is set in the unit.

4. Do not perform continuous recording for long periods of time

above 5 minutes.

5. During continuous recording, be careful not to apply vibra-

tion.

CPLAY MID

CPLAY OUT

CPLAY IN

CREC MID

CREC OUT

CREC IN

– 32 –

Mode

display

Error rate

display

Address display

ADIP address

display

SUB Q address

display

Auto gain

display

IVR

display

Change over the display with the
SCROLL  button.

This mode reads and writes the contents of the non-volatile
memory.
It is not used in servicing.  If set accidentally, press the NO button
immediately to exit it.

1. MODE display

Displays “TEMP ADJUST”, “CPLAY MODE”, etc..

2. Error rate display

Error rates are displayed as follows.
C1= 

 AD= 

C1= : Indicates C1 error
AD= : Indicates ADER

3. Address display

Address are displayed as follows.
h= 

  a= 

 (MO groove)

With this display, if SCROLL button is pressed, the follow-
ing will be displayed.
h= 

  s= 

 (MO pit and CD)

h=: Header address
s=: SUB Q address
a=: ADIP address

Note: “—” is displayed when the address cannot be read.

4. Auto gain display

Auto gain are displayed as follows.
AGF= 

    T= 

F= Focus auto gain collection value
T= Tracking auto gain collection value

Note: Auto gain display and IVR display are not used in servicing.

Note: The erasing-protection tab in not detected during the test

mode.  Recording will start regardless of the position of
the erasing-protection tab when the

r REC button is

pressed.

Each time the DISPLAY button pressed, the display changes in
the following order.

Light

Off

MANUAL

During continuous
playback (servo all
on)

Stop state
(servo all off)

—

AUTO

Tracking and sled
servo off

Tracking and
sled servo on

—

PRESET

Recording mode on

Recording
mode off

—

REPEAT

CLV lock state

CLV unlock
state

—

TRACK

Pit mode

Groove mode

—

DISC

High reflection rate
disc

Low reflection
rate disc

—

LEVEL-

SYNC

Spindle servo
CLV-S
(pull-in mode)

Spindle servo
CLV-A
(playing mode)

—

PGM

ABCD adjustment
completed

Not adjustment

—

SHUFFLE

Focus auto gain
and tracking auto
gain successful

—

Focus auto
gain suc-
cessful,
tracking
auto gain
failed

Display

Blinking

Contents

Button

Contents

(P

Sets continuous playback when pressed in the
STOP state. (servo all on)
When pressed during continuous playback, the
tracking and sled servo turns on/off.

p

Stop continuous playback and continuous
recording. (servo all off)

VOL +

The sled moves to the outer circumference
only when this is pressed.

VOL –

The sled moves to the inner circumference
only when this is pressed.

r REC

Turns recording on/off when pressed during
continuous playback.

SCROLL

Switches between the pit and groove modes
when pressed.

BAND

Switches between the CLV-S (pull-in mode)
and CLV-A (playing servo) modes when
pressed. (Switches the spindle servo mode.)

DISPLAY

Switches the display when pressed.
Returns to previous step.  Stop operations.

6

Disc eject