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25

4

two screws 
(B2 

× 

4)

6

gear (M)

8

two insulators (BU)

7

flatness gear
(P)

2

Remove the four solders.

M101

M102

1

screw (BVTP2.6 

× 

8)

3

BD (CD) board

5

sled motor ass’y
(M102)

8

two insulators (BU)

9

base (BU-5S) ass’y (M101)

26

• 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 

A

(MD) 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 

A

(MD) button after pressing the

MENU/NO “R”

button and the rotation of disc is stopped.

• Continuous recording mode (CREC MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the

z

REC

button.

The following are two methods of entering the test mode.
Procedure 1: 1. Press the

I/1

button to turn the power on.

2. Press the 

[FUNCTION]

 button to set the MD function.

3. While pressing the

s

(MD) and

z

REC

buttons, press the

I/1

button to enter the MD test mode and display “[Check]”.

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

l

 

m

or

M

 

L

button switches between the

following four groups; ···

y [Check] y [Adjust] y [Service] y [Develop] y ···.

Procedure 2: 1. Press the

I/1

button to turn the power on.

2. Press the [FUNCTION] button to set the MD function.
3. While pressing the

s

(MD) and 

[CD-MD SYNC]

 buttons, press the

I/1

button to enter the MD test mode and display

“TEMP CHECK”.
By setting the test mode using this method, only the “Check” group of method 1 can be executed.

Press the 

[REPEAT]

 button.

All operations are performed using the

l

 

m

or

M

 

L

button ,

ENTER/YES “R”

button, and

MENU/NO “R”

button.

The functions of these buttons are as follows.

Function name

Function

l m , M L 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

About “R”
As this unit has only a few buttons, some operations require the use of remote commander (RM-SF3MD/provided with unit: 1-476-068-11)
buttons. These operations are indicated as “R” in this manual.
Example:

MENU/NO “R”

...Press the 

[MENU/NO]

 button of the remote commander.

27

Mark

(X)

(X)

(X)

(X) (!)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

There are 31 types of test modes as shown below. The groups can be switched by pessing the

l

 

m

or

M

 

L

button. After

selecting the group to be used, press the

ENTER/YES “R”

button. After setting a certain group, press the

l

 

m

or

M

 

L

button

switches between these modes.
Refer to “Group” in the table for details can be selected.
All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.

Display

TEMP CHECK

LDPWR CHECK

EF MO CHECK

EF CD CHECK

FBIAS CHECK

Scurve CHECK

VERIFYMODE

DETRK CHECK

TEMP ADJUST

LDPWR ADJUST

EF MO ADJUST

EF CD ADJUST

FBIAS ADJUST

EEP MODE

MANUAL CMD

SVDATA READ

ERR DP MODE

SLED MOVE

ACCESS MODE

0920 CHECK

HEAD ADJUST

CPLAY2 MODE

CREC2 MODE

ADJ CLEAR

AG Set (MO)

AG Set (CD)

Iop Read

Iop Write

INFORMATION

CPLAY MODE

CREC MODE

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 playback mode

Continuous recording mode

Group (

*

)

C

S

C

S

C

S

C

S

C

S

C

C

C

A

S

A

S

A

S

A

S

A

S

D

D

D

S

D

D

D

D

D

D

A

S

A

S

A

S

C

S

A

S

C

S

C

A

S

D

C

A

S

D

Group (

*

)

C: Check
S: Service

A: Adjust
D: Develop

• 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

MENU/NO “R”

button to release that mode.

• 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-

tally, press the

MENU/NO “R”

button to release the mode immediately. Be especially careful not to set the modes with (!) as they will

overwrite the non-volatile memory and reset it, and as a result, the unit will not operate normally.

28

“CPLAY MID”

 t “CPLAY OUT” t “CPLAY IN”  

“CREC MID”

 t “CREC OUT” t “CREC IN”  

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

l

 

m

or

M

 

L

button and display “CPLAY MODE”.

(3)

Press the

ENTER/YES “R”

button to change the display to “CPLAY MID”.

(4)

When access completes, the display changes to “C1 = 

 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 playback 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 “C1 = 

 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 “CPLAY MODE”.

(2)

Press the 

A

(MD) 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

1. Entering the continuous recording mode
(1)

Set a recordable disc in the unit.

(2)

Press the

l

 

m

or

M

 

L

button and display “CREC MODE”.

(3)

Press the

ENTER/YES “R”

button to change the display to “CREC MID”.

(4)

When access completes, the display changes to “CREC (

)” and 

[   REC]

 indicator lights up.

 The numbers “ ” displayed shows you the recording position addresses.

2. Changing the parts to be recorded
(1)

When the

ENTER/YES “R”

button is pressed during continuous recording, the display changes as below.

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

[   REC]

 indicator goes off.

(2)

When access completes, the display changes to “CREC (

)” and 

[   REC]

 indicator lights up.

 The numbers “ ” displayed shows you the recording position addresses.

3. Ending the continuous recording mode
(1)

Press the

MENU/NO “R”

button. The display changes to “CREC MODE” and 

[   REC]

 indicator goes off.

(2)

Press the

A

(MD) 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 vibration.

This mode reads and writes the contents of the non-volatile memory.
It is not used in servicing. If the unit entered this mode accidentally, press the

MENU/NO “R”

button immediately to release it.

Contents

Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking
servo turns ON/OFF

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 between the pit and groove modes when 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

Function

H S (MD)

s (MD)

M L

l m

CLEAR “R”

PLAY MODE/TUNING MODE

DISP “R”

A (MD)

REPAET

z

z

z

z