CMT-L1, HCD-L1 - Sony Audio Service Manual (repair manual). Page 20

20

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  .  ,  VOL+  and
>  simultaneously.

4.

Confirm to display “dvt ERR CODE”.

5.

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

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 OPEN  button.

3.

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

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 CD PLAY 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 OPEN  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

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  "