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25

Procedure:
1. Press the  ?/1  button to turn the power on.
2. Press the  

FUNCTION 

z  button to set the CD function, and

insert a disc.

3. Press three buttons of  

VOL -

 , 

 CD 

Z  and

>/M 

TUNING +

  simultaneusly.

4. The message “Eject” is displayed, a disc is ejected and in-

serted again automatically.

5. The sequence during the CD aging mode is following as be-

low.

6. To exit this mode , press the  ?/1  button to turn the power

off.

∗

Aging of CD and MD is performed at the same time.

Procedure:
1. Press the  ?/1  button to turn the power on.
2. Press the  

FUNCTION 

z  button to set the CD function.

3. Insert a disc (CD) and a recordable disc (MD).
4. Press three buttons of  

VOL +

 , 

 

u  and 

 MD 

Z

simultaneusly.

5. The message “Eject” is displayed and aging started.
6. The sequence of CD aging is same as the CD aging mode,

however the MD aging is repetition of changing the track after
a few seconds recording.

7. The number of aging is displayed in hexadecimal. For example,

AGING00000011 means the 17th rouine of aging.

8. To exit this mode, press the  ?/1  button to turn the power off,

or press three buttons of  

VOL +

 , 

 CD 

Z  and 

 MD 

Z  simul-

taneously and cold reset is executed.

CD disc eject

CD disc in

TOC reading

Playback the first track

Playback the last track

Display the number of aging

About “R”
As this unit has only a few buttons, some operations require
the use of remote commander (RM-SC5BEN/provided with
unit: 1-476-649-21) buttons. These operations are indicated
as “R” in this manual.
Example:  

MENU/NO

 

“R”

  

...Press the  

MENU/NO

  button of

the remote commander.

Incorrect operations may be performed if the MD test mode
is not entered properly.
In this case, press the  ?/1  button to turn the power off, and
retry to enter the MD test mode.

• As operations related to loading 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 

 MD 

Z  button is pressed while the disc is rotating

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

 MD 

Z  button after pressing the

MENU/NO “R”

  button and the rotation of disc is stopped.

• Continuous recording mode (CREC 1MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory

(Iop Compare)

• Write current Iop value in read nonvolatile memory using mi-

croprocessor (Iop NV Save)

• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the  

REC/REC IT

  button.

The following is the method of entering the test mode.
Procedure: 1. Press the  ?/1  button to turn the power on.

2. Press the  

FUNCTION 

z  button to set the MD

function.

3. Press three buttons of  

VOL -

  ,  x  , and

CD SYNC HIGH

   (MD) simulta neously.

When the test mode is set, “[Check]” will be
displayed. Pressing the
.

 “R”

  or  >

 “R”

  button between the

following three groups; ···

 Tt [Check] Tt

[Service] 

Tt [Develop] Tt ···.

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

MENU/NO “R”  

button immediately to exit the [Develop] group.

Procedure 1: Press

 the  REPEAT “R”  

button to display “Initial-

ize”, then release the MD test mode.

Procedure 2: Press two button of  

VOL -

  and 

 MD 

Z  to display

“Intialize”, then release the MD test mode.

26

All operations are performed using the  .

 “R”

  ,  >

 “R”

  ,

ENTER/YES “R”

and

MENU/NO “R”

.

The functions of these buttons are as follows.

There are 26 types of test modes as shown below. The groups can be switched by pressing the  .

 “R”

  or  >

 “R”

  button.

After selecting the group to be used, press the

ENTER/YES “R”

button. After setting a certain group, pressing the  . 

 “R”

  or

>

 “R”

  button switches modes shown below.

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.

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

MENU/NO “R”

button immediately to exit the [Develop] 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

MENU/NO “R”

button to release that mode.

• Modes with (

×

) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set

accidentally, press the

MENU/NO “R”

button to release the mode immediately.

AUTO CHECK

Err Display

TEMP ADJUST

LDPWR ADJUST

Iop Write

Iop NV Save

EF MO ADJUST

EF CD ADJUST

FBIAS ADJUST

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

CPLAY1MODE

CREC 1MODE

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

Auto gain output level adjustment (MO)

Auto gain output level 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

Continuous recording mode

C01

C02

C03

C04

C05

C06

C07

C08

C09

C10

C11

C12

C13

C14

C15

C16

C17

C18

C19

C25

C26

C27

C28

C31

C34

C35

 .

 “R”

, >

 “R”

buttons

Changes parameters and modes

 

ENTER/YES “R”

button

Proceeds onto the next step. Finalizes input

 

MENU/NO “R”

button

Returns to previous step. Stops operations

27

1. Entering the continuous playback mode
(1)

Set the disc in the unit. (Whichever recordable discs or discs
for playback only are available)

(2)

Press the  .

 “R”

  or  >

 “R”

  button to display

 “CPLAY1MODE” (C34).

(3)

Press the

ENTER/YES “R”

button to change the display

to “CPLAY1MID”.

(4)

When access completes, the display changes to “C =       
AD =    )”.

The numbers “ ” displayed show you error rates and ADER.

2. Changing the parts to be played back
(1)

Press the

ENTER/YES “R”

button during continuous play-

back to change the display as below.

When pressed another time, the parts to be played back can
be moved.

(2)

When access completes, the display changes to “C =       
AD =    )”.

 The numbers “ ” displayed show you error rates and ADER.

3. Ending the continuous playback mode
(1)

Press the  

MENU/NO “R”

  button. The display will change

to “CPLAY1MODE” (C34).

(2)

Press the 

 MD 

Z  button and take out the disc.

The playback start addresses for IN, MID, and OUT
are as follows.
IN

: 40h cluster

MID

: 300h cluster

OUT

: 700h cluster

“CPLAY1MID”

 

t 

“CPLAY1OUT”

 

t 

“CPLAY1IN”

  

1. Entering the continuous recording mode
(1)

Set a recordable disc in the unit.

(2)

Press the  .

 “R”

  or  >

 “R”

  button to display “CREC

1MODE” (C35).

(3)

Press the  

ENTER/YES “R”  

button to change the display to

“CREC 1MID”.

(4)

When access completes, the display changes to “CREC 1(

     )” and “

  

REC

  

” is displayed.

The numbers “ ” displayed shows you the recording posi-
tion addresses.

2. Changing the parts to be recorded
(1)

When the

ENTER/YES “R”

button is pressed during con-

tinuous recording, the display changes as below.

When pressed another time, the parts to be recorded can be
changed. “

  

REC

  

” goes off.

(2)

When access completes, the display changes to “CREC 1(

     )” and “

  

REC

  

” is displayed.

 The numbers “ ” displayed shows you the recording posi-

tion addresses.

3. Ending the continuous recording mode
(1)

Press the  

MENU/NO “R”

  button. The display changes to

“CREC 1MODE” (C35) and “

  

REC

  

”  goes off.

(2)

Press the 

 MD 

Z  button and take out the disc.

The recording start addresses for IN, MID, and OUT are
as follows.

IN

: 40h cluster

MID : 300h cluster
OUT : 700h cluster

 The

MENU/NO “R”

button can be used to stop recording

anytime.

 Do not perform continuous recording for long periods of

time above 5 minutes.

 During continuous recording, be careful not to apply vi-

bration.

“CREC 1MID”

 

t 

“CREC 1OUT”

 

t 

“CREC 1IN”

  

REC

REC

REC

REC

28

u

x

M 

“R”

m 

“R”

x  +  >/M 

TUNING +

VOL - 

 +  

CD 

Z

MD 

Z

REPEAT

 

“R”

Sets continuous playback when this is pressed in the STOP state. When this is pressed during continu-
ous playback, playback position moves.

Stops continuous playback and continuous recording

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

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

Switches the spindle servo mode (CLV S 

y CLV A)

Switches the displayed contents each time the button is pressed

Ejects the disc

Releases the test mode

This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up.
To perform this test mode, the laser power must first be checked.
Perform AUTO CHECK after the laser power check and Iop Compare.

Procedure:
1. Press the .

 “R”

or >

 “R”

button to display “AUTO CHECK” (C01).

2. Press the

ENTER/YES “R”

button. If “LDPWR 

 ” is displayed, it means that the laser power check has not been

performed. In this case, perform the laser power check and Iop Compare, and then repeat from enter the MD test mode.

3. If a disc is in the mechanical deck, it will be ejected forcibly.

“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

4. If a disc is loaded at step 3, the check will start automatically.
5. When “XX CHECK” is displayed, the item corresponding to XX will be performed.

When “060 CHECK” completes, the disc loaded at step 3 will be ejected. “DISC IN” will be displayed. Load the check disc
(TDYS-1).

6. When the disc is loaded in step 5, the check will automatically be resumed from “07 CHECK”.
7. After completing to test item 12 (“oC CHECK”), check OK or NG will be displayed. If all items are OK, “CHK ALL OK” will

be displayed. If any item is NG, it will be displayed as “NG:xxxx”.

When “CHK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of other parts (spindle
motor, sled motor, etc.).
When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

Display the software version.

Procedure:
1. Press the .

 “R”

or >

 “R”

button to display “INFORMATION” (C31).

2. Press the

ENTER/YES “R”

button.

3. The software version will be displayed.
4. Press the

MENU/NO “R”

button to end this mode.