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21

[Cold Reset]
• The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to

the customers.

Procedure:
1. Press  ?/1  button to turn the set ON.
2. Press three buttons  z MD  ,  >  (MD) and  x  (TAPE) simultaneously.
3. Press  ?/1  button again, the LCD displays “Initialize” and the set is reset.
• Initialized conditions

FUNCTION : TUNER FM 87.5MHz
VOLUME

: MIN

DSG

: ON

[PANEL Test  Mode]
• This mode is used to check the software version, LCD, LED and keyboard.

Procedure:
1.

Press three bottons  z MD  ,  >  (MD) and  X  (TAPE) simultaneously.

2.

LEDs and LCD are all turned on.

3.

When you want to enter the software version display mode, press  REPEAT .The model name and destination are displayed and “MD”
and “CD” segments flash.

4.

Each time  REPEAT  is pressed, the display changes MC, GC, CD, CDD, CDMA,CDMB, BDA, BDB, ST, TA, TM, TC and MD in this
order, and returns to the top of the version display.

5.

When  REC MODE  is pressed while the version numbers are being displayed, year, month and day of the software creation appear.
When  REC MODE  is pressed again, the display returns to the software version display. When  REPEAT  is pressed while year, month
and day of the software creation are being  displayed, the year, month and day of creation of the software versions are displayed in the
same order of version display.

6.

Press  PLAYMODE / DIRECTION  button, and the key check mode is activated. In the key check mode, the LCD displays “K 0 J 0 V
0”. Each time a button is pressed, “K 0” value increases. However, once a button is pressed, it is no longer taken into account. “V 0”
value increases like 1, 2, 3.... if rotating  VOLUME  knob clockwise, or it decreases like 0, 9, 8.... if rotating counter-clockwise.

7.

To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord.

[MC Test  Mode]
• This mode is used to check operations of the respective sections of Amplifier, Tuner, CD and Tape.

Procedure:
1.

Press the  ?/1  button to turn on the set.

2.

Press the three buttons  SYNCHRO REC  ,  >  (MD) and  X (TAPE) simultaneously.

3.

The “MD” and “TAPE” segments flash.

4.

When the VOLUME  knob is rotated clockwise even slightly, the sound volume increases to its maximum and a message “VOLUME
MAX” appears for two seconds. then the display returns to the original display.

5.

When the VOLUME  knob is rotated counter-clockwise even slightly, the sound volume decreases to its minimum and a message
“VOLUME MIN” appears for two seconds, then the display returns to the original display.

6.

To exit from this mode, press three buttons  z MD , >  (MD) and  x  (TAPE) simultaneously or disconnect the power cord.

Note 1: About “R”

As this unit has only a few buttons, some operations require the use of remote commander (RM-SDC500/provided with unit: 1-476-756-11)
buttons. These operations are indicated as “R” in this manual.
Example:

MENU/NO “R”

...Press the 

[MENU/NO]

 button of the remote commander.

Note 2: 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.

22

• 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  Z (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  Z (MD) button after pressing the

MENU/NO “R”

button and the rotation of disc is stopped.

1-1. Recording laser emission mode and operating buttons
• 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 microprocessor (Iop NV Save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the  z MD button.

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

?

/1

button to turn the power on.

2. Press the 

[FUNCTION]

 button to set the MD function.

3. Press three buttons of

x

 (MD),  

m

 (TAPE), and  

[SYNCHRO REC]

 simultaneously.

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 ···.

Note: 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.

Press the 

[REPEAT STEREO/MONO]

 button twice to display “Initialize”, then release the MD test mode.

All operations are performed using the

.

 

“R”

, 

 >

 

“R”

,

ENTER/YES “R”

and

MENU/NO “R”

.

The functions of these buttons are as follows.

Function name

Function

 . “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

23

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.

Note: 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 “Section 6  Electrical Adjustments”.

For details of “Err Display”, refer to “Self-Diagnosis Function” on page 3.

• 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 acciden-

tally, press the

MENU/NO “R”

button to release the mode immediately.

Display

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

CPLAY 1MODE

CREC 1MODE

Details

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

No.

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

Mark

Group

Check

Service

24

Function

 N X MD

x (MD)

M “R”

m “R”

PLAY MODE

REC MODE

MD Z

REPEAT STEREO/MONO

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 “CPLAY 1MODE” (C34).

(3)

Press the

ENTER/YES “R”

button to change the display to “CPLAY1MID”.

(4)

When access completes, the display changes to “C = 

 AD = 

)”.

Note: 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 “C = 

 AD = 

)”.

Note: 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 1MODE” (C34).

(2)

Press the Z (MD) button and take out the disc.

Note: 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

. “R”

or 

 > “R”

button to display “CREC 1MODE” (C35).

(3)

Press the

ENTER/YES “R”

button to change the display to “CREC 2MID”.

(4)

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

)” and “

 z

 MD ” lights up.

Note: 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. “

 z

 MD ” goes off.

(2)

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

)” and “

 z

 MD ” lights up.

Note: 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 1MODE” (C35) and “

 z

 MD ”  goes off.

(2)

Press the Z (MD) button and take out the disc.

Note 1: The recording start addresses for IN, MID, and OUT are as follows.

IN

: 40h cluster

MID

: 300h cluster

OUT

: 700h cluster

Note 2: The MENU/NO “R” button can be used to stop recording anytime.
Note 3: Do not perform continuous recording for long periods of time above 5 minutes.
Note 4: During continuous recording, be careful not to apply vibration.

“CPLAY 1MID” 

t “CPLAY 1OUT” t “CPLAY 1IN”  

“CREC 1MID” 

t “CREC 1OUT” t “CREC 1IN”  

Contents

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 digit each time the button is pressed

Ejects the disc

Releases the test mode