MDS-JE470 (serv.man2) - Sony Audio Service Manual (repair manual). Page 3

3

Display

op rec tm

op play tm

spdl rp tm

retry err

total err

err history

retry adrs

er refresh

tm change

op change

History

Displays the total recording time.
When the total recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.

Displays the total playback time.
When the total playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”

Displays the total rotating time of the spindle motor.
When the total rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”

Displays the total number of retry errors during recording and playback
Displays “r xx p yy”. xx is the number of errors during recording. yy is the number of errors during playback.
This is displayed in hexadecimal from 00 to FF.

Displays the total number of errors
Displays “total xx”. This is displayed in hexadecimal from 00 to FF.

Displays the past ten errors.
Displays “0x ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error
code.
Select the error history number using the  lAMSL  knob.

Displays the past five retry addresses.
Displays “xx ADRS yyyy”, xx is the history number, yyyy is the cluster with the retry error.
Select the error history number using the  lAMSL  knob.

Mode for erasing the error and retry address histories
Procedure
1. Press the  lAMSL  knob when displayed as “er refresh”.
2. Press the  YES  button when the display changes to “er refresh?”.
When “complete!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.

Mode for erasing the total time of recording and playback
Procedure
1. Press the  

lAMSL

  knob when displayed as “tm refresh”.

2. Press the  YES  button when the display changes to “tm refresh?”.
When “complete!” is displayed, it means erasure has completed.

Mode for erasing the total time of op rec tm, op play tm.
These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced,
perform this procedure and erase the history.
Procedure
1. Press the  lAMSL

 

  knob when displayed as “op change”.

2. Press the YES button when the display changes to “op change?”.
When “Complete!” is displayed, it means erasure has completed.

1. While pressing the  lAMSL   knob and  x  button, connect the power plug to the outlet, and release the  lAMSL  knob and

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

2. Rotate the  lAMSL  knob and when “[Service]” is displayed, press the  YES  button.
3. Rotate the  lAMSL  knob and display “Err Display”.
4. Pressing the  YES  button sets the error history mode and displays “op rec tm”.
5. Select the contents to be displayed or executed using the  lAMSL  knob.
6. Pressing the  lAMSL   knob will display or execute the contents selected.
7. Pressing the  lAMSL   knob another time returns to step 4.
8. Pressing the  MENU/NO  button displays “Err Display” and exits the error history mode.
9. To exit the test mode, press the  REPEAT  button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.