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21

* Keyboard check.
Procedure:
1.

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

2.

To enter the test mode, press three buttons  Z  ,  DISPLAY  ,
and  >  simultaneously.

3.

In the key check mode, the message “KEY00” is displayed.
Each time a button is pressed, “KEY00” value increases.
However, once a button is pressed, it is no longer taken into
account.

4.

To exit from this mode,  press three buttons  Z  ,  DISPLAY  ,
and  >  simultaneously.

* The version or destination is displayed.
Procedure:
1.

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

2.

To enter the test mode, press three buttons  Z  ,  DISPLAY  ,
and  x  simultaneously.

3.

The model name and destination are displayed.

4.

Press the  DISPLAY  button. The STR version is displayed.

5.

Press the  DISPLAY  button again. The CD version is displayed.

6.

Press the  DISPLAY  button. The model name and destination
are displayed again.

7.

To exit from this mode, press the  ?/1  button to turn off the set.

* All LCD segments are tested.
Procedure:
1.

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

2.

To enter the test mode, press three buttons  Z  ,  DISPLAY  ,
and  .  simultaneously.

3.

The following segments are turned on.

4.

Press the  DISPLAY  button. All segments are turned off.

5.

Press the  DISPLAY  button. Confirm the pattern of segments.

6.

Press the  DISPLAY  button. Confirm the pattern of segments.

7.

Every pressing of the  DISPLAY  button turns on each segment
one after another in the same order.

8.

 To exit from this mode, press the  ?/1  button to turn off the set.

* Volume level is changed for the amplifier test.
Procedure:
1.

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

2.

To enter the test mode, press three buttons  Z  ,  DISPLAY  ,
and  NX  simultaneously.

3.

Volume level is changeable at three steps as “VOLUME MIN”,
“VOLUME 21”, “VOLUME MAX” by pressing  VOLUME +
or  VOLUME –  button.

4.

In this test mode, the tuning mode is set to the preset mode.

5.

To exit from this mode, press the  ?/1  button to turn off the set.

* All micro-processors are forced to reset at the same time.
Procedure:
1.

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

2.

Press three buttons  Z  ,  FUNCTION  , and  TUNER/BAND
simultaneously.

3.

The message “COLD RESET” is displayed and the set is reset.
Then the set is turned off.

Procedure:
1.

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

2.

Press the  FUNCTION  button for the setting CD.

3.

Press three buttons  Z  ,  VOLUME –  , and  >  simulta-
neously.

4.

The message “COLD RESET” is displayed and CD is set to
the shipment position. Then the set is turned off.

Procedure:
1.

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

2.

Press two buttons of  x  and  Z  simultaneously for five seconds.

3.

The message “LOCKED” is displayed and the loading
mechanism is locked. (Even if exiting from this mode, the
loading mechanism is still locked.)

4.

Press two buttons of  x  and  Z  simultaneously for five seconds
again.

5.

The message “UNLOCKED” is displayed and the loading
mechanism is unlocked.

6.

To exit from this mode, press the  ?/1  button to turn the set
off.

Procedure:
1.

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

2.

Insert the disc.

3.

Select the FUNCTION to CD.

4.

To enter the test mode, press three buttons  VOLUME –  ,  NX
and  Z  simultaneously.

5.

Aging operation starts automatically.

6.

The CD is out, drawn in and the first track is played. Then the
last track is played.

7.

The CD is out again, and the message “AGIN00000001” is
displayed. This value is cycle times of aging operation and
displays hexadecimal data.

8.

The CD is drawn in and aging operation is continued.

9.

To exit from this mode, press the  ?/1  button to turn off the set.

PROGRAM REPEAT

SURR

TRACK TUNED

MONO MANUAL

1

DISC

ID3

MP3

DSG

ALBUM

ALBUM

STEREO

AUTO PRESET

SHUFFLE

SLEEP

PLAY

c

These segments remain when entering into the LCD test mode.

PROGRAM SURR

TUNED

MANUAL

1

DISC

ID3

PRESET

TEXT

SLEEP

PLAY

REPEAT

TRACK

MONO

MP3

DSG

ALBUM

ALBUM

STEREO

AUTO

SHUFFLE

c

22

Procedure:
Setting Method of Test Mode
1.

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

2.

Select the FUNCTION to CD.

3.

To enter the test mode, press three buttons  Z  ,  VOLUME +  ,
and  NX  simultaneously.

4.

Confirm to display “dvt ERR CODE”.

5.

Press the  Z  button.

Releasing Method of Test Mode
1.

Press the  x  button to display  “dvt ERR CODE”.

2.

Press the  x  button.

Menu Selection of Error History Display Mode
1.

Select the operation in the menu by pressing the  .  or  >
button.

2.

Press the  Z  button. The menu is selected. If returning to the
menu again, press the  x  button.

DISPLAY OF TIMES OF ERROR

DISPLAY OF MECHANISM ERROR HISTORY

RESET OF MECHANISM ERROR HISTORY

RESET OF NO DISC ERROR HISTORY

DISPLAY OF NO DISC ERROR HISTORY

RESET OF ERROR HISTORY

"   Emc=**Edc=##  "

"   dvt ECODE MEC  "

"   dvt ECNT0 MEC  "

"   dvt ECNT0 ALL  "

"   dvt ECNT0 BU  "

"   dvt ECODE BU  "

Procedure:
1.

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

2.

Select the  FUNCTION  to CD.

3.

To enter the test mode, press three buttons  VOLUME +  ,
>  and  Z  simultaneously.

4.

Confirm that “dvt AGING” is displayed.

5.

Press the  Z  button.

6.

Confirm that “dvt AGING SL” is displayed.

Releasing Method of Test Mode
1.

Press the  x  button to display “dvt AGING”.

2.

Press the  x  button again.

Menu Selection of Aging Selection Mode
1.

Select the operation in the menu by pressing the  .    or
>  button.

2.

Press the  Z  button. The menu is selected.

3.

Press the  x  button to return to the menu again.

SELECTION OF AGING AND START

“dvt AGING SL”

Y

DISPLAY OF TIMES OF AGING

“dvt AGING DP”

Selection of Aging and Start
1.

Confirm that “AGING SEL=00” is displayed.

2.

Select the aging operation in the menu by pressiing the  .
or  >  button. Normally “00” is suitable.

3.

Press the  Z  button.

4.

Aging operation starts automatically.

DISPLAY : “AGING SEL = ##”
## : type of aging

00 : OPEN 

c CHUCK c the first track playback c the last

track playback 

c OPEN c CHUCK c 

…

01 to 03 : not for service
04 : the first track playback 

c the last track playback c the

first track playback 

c 

…

05 to o6 : not for service

Display of Times of Aging
1.

Confirm that “dvt AGING DP” is diplayed.

2.

Press the  Z  button.

DISPLAY : “AGING********”
******** : 0 to FFFFFFFF (hexadecimal) times of aging cycle executed

Releasing Method of Aging Operation
Press the  ?/1  button to turn off the set.

Display of Times of Error
* Number of times of mechanism error and no disc error is displayed
   in hexadecimal.

DISPLAY : “ Emc=**Edc=## “
  **

: number of times of mechanism error (hexadecimal)

  ##

: number of times of no disc error (hexadecimal)

Display of Mechanism Error History
1.

Select the operation in the menu by pressing the  . or  >
button to display “dvt ECODE MEC”.

2.

Press the  Z  button.

3.

Select the mechanism error code by pressing the  . or  >
button.

23

Reset of No Disc Error History
1.

Select the operation in the menu by pressing the  .  or  >
button to display “dvt ECONT0 BU”.

2.

Press the  NX  button. No disc error history is reset.

Reset of Error History
1.

Select the operation in the menu by pressing the  . or  >
button to display “dvt ECONT0 ALL”.

2.

Press the  NX  button. Error history is reset.

*Error Rate Display
Procedure:
Setting Method of Test Mode
1.

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

2.

Insert the disc.

3.

Select the  FUNCTION  to CD.

4.

Press the  NX  button to play the CD.

5.

To enter the test mode, press three buttons  VOLUME +  ,  x
and  Z  simultaneously. Confirm that the message “bdt STEST”
is displayed.

6.

Press the  . or  >  button to display “dvt ERR RATE”.

7.

Press the  Z  button.

Description of Error Rate

Releasing Method of Test Mode
1.

Press the  x  button  to display  “dvt ERR RATE”.

2.

Press three buttons  VOLUME +  ,  x   and  Z  simultaneously.

Procedure:
Setting Method of Test Mode
1.

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

2.

Select the FUNCTION to CD.

3.

Press three buttons  Z  ,  VOLUME –  and  .  simulta-
neously.

4.

The message “dvt REP LMT” is displayed.

5.

Press the  Z  button.

Releasing Method of Test Mode
1.

Press the  x  button to display “dvt REP LMT”

2.

Press the  x  button.

Selection of Repeat 5 Times Limit ON/OFF
1.

Press the  .  or  >  button to display “REP LMT ON” or
“REP LMT OFF”.

2.

Press the  x  button to select ON or OFF and “dvt REP LMT”
is displayed.

DISPLAY : “ E**M##%%0000 “

**

: order of mechanism error happens (hexadecimal)

00 : the newest error
09 : the error ten times before

##

: completion of an initialization (hexadecimal)

ff

: completion

others : not completed

  %% : condition of CDM operation when the trouble happened

(hexadecimal)
00 : during an initialization
1x : during opening (x : not fixed)
16 to 19 : during a kick by falure of opening
2x : completion of opening
28 : completion of opening under the condition of no disc
3x : during close request
4x : during open request
5x : during closing
6x : during chucking
80 : during releasing
9x : during operation of BU down
ax : during operation of shutter opening or closing
b0 : during BU up request
c0 : during BU down request
dx : during operation of BU up

  0000 : fixed

Reset of Mechanism Error History
1.

Select the operation in the menu by pressing the   . or  >
button to display “dvt ECONT0 MEC”.

2.

Press the  NX  button. Mechanism error history is reset.

Display of No Disc Error History
1.

Select the operation in the menu by pressing the  . or  >
button to display “dvt ECODE BU”.

2.

Press the  Z  button.

3.

Select the no disc code by pressing the  . or  >  button.

DISPLAY : “ E**D##%%@@&& “
  **

: order of no disc happens (hexadecimal)

00 : the newest
09 : ten times before

  ##

: description of the trouble (hexadecimal)

01 : focus NG
02 : GFS NG
03 : time-over of starting
04 : continuous unlock of focus
05 : no input of Q-codes in fixed time

  %% : condition when the trouble happened (hexadecimal)

01 : during shipment position processing
02 : during power off processing
03 : during processing of initialization
04 : during stop condition
05 : during stop processing
06 : during process of starting
07 : during process of TOC reading
08 : during search operation
09 : during playback
0a : during pause
0b : during playback manual searching
0c : during pause manual searching

  @@ : do not care
  && : rotating speed of a disc when the trouble happened

(hexadecimal)
01 : x1
02 : x2 (double speed)
03 : x4

"  ****####%%@@&&  "

C1

C2

TNO MIN SEC

24

Note :

1. CD Block is basically designed to operate without adjustment.

Therefore, check each item in order given.

2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.
3. Use an oscilloscope with more than 10M

Ω

 impedance.

4. Clean the object lens by an applicator with neutral detergent

when the signal level is low than specified value with the
following checks.

Procedure :
1. Connect oscilloscope to TP (RFAC).
2. Turned Power switch on.
3. Load a disc (YEDS-18) and playback the number five track.
4. Confirm that oscilloscope waveform is clear and check RF signal

level is correct or not.

Clear RF signal waveform means that the shape “

◊

” can be

clearly distinguished at the center of the waveform.

RF signal waveform

Procedure:
1.

Connect oscilloscope to TP (TE) and TP (DVC) board.

2.

Turned Power switch on.

3.

Load a disc (YEDS-18) and playback the number five track.

4.

Press the  u  button. (Becomes the 1track jump mode.)

5.

Confirm that the level B and A (DC voltage) on the oscilloscope
waveform.

1 track jump waveform

±

A

B

[ BD BOARD ] — SIDE A —

IC103

TP

(RFAC)

TP(TE)

TP(DVC)

IC101

Specification level:      

x

 100=less than 

±

22%

±