MDS-JB980 - Sony Audio Service Manual (repair manual). Page 3

3

The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which
show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box
in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self-
Diagnosis Function (Error History Display Mode)”.

Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required
procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the  MENU/NO  button to exit
the mode.

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.

, Take out the MD and close the record-

protect slot. 

You tried to record a CD with a format 
that the external device connected to the 
deck does not support, such as CD-ROM 
or video CD.
, Remove the disc and insert a music 

CD.

, Set the deck in a stable surface, and 

repeat the recording procedure.

The inserted MD is dirty (with smudges, 
fingerprints, etc.), scratched, or 
substandard in quality.
, Replace the disc and repeat the 

recording procedure.

, Take out the MD and insert it again.

, Insert another disc.
, If possible, erase all the tracks on the 

MD .

The sound source is a copy of 
commercially available music software, or 
you tried to record a CD-R (Recordable 
CD).
, The Serial Copy Management System 

prevents making a digital copy .

You cannot record a CD-R.

The sporadic appearance of this message 
is caused by the digital signal being 
recorded. This will not affect the 
recording.

While recording from a digital component, 

the digital connecting cable 

,

Check the connection or turn the 
digital component back on.

There is an error in the internal data that 
the deck needs in order to operate.
, Consult your nearest Sony dealer.

There is a problem with the optical 
pickup.
, The optical pick-up  may have failed. 

Consult your nearest Sony dealer.

There is a problem with the loading.
,The loading may have failed. Consult 
      your nearest Sony dealer.

The deck’s self-diagnosis function automatically checks 
the condition of the MD deck when an error occurs, then 
issues a three- or five-digit code and an error message on 
the display. If the code and message alternate, find them in 
the following table and perform the indicated 
countermeasure. Should the problem persist, consult your 
nearest Sony dealer.

C11/Protected

C12/Cannot Copy

C13/REC Error

r

C13/Read Erro

C14/Toc Error

C41/Cannot Copy

C71/Din Unlock

E0001/
MEMORY NG

E010

E0201/
LOADING NG

1/

LASER NG

The inserted MD is record-protected.

  The recording was not made properly.

  The deck could not read the TOC on the  

MD properly.

The deck could not read the TOC on the 

 

MD properly.

may have been 

incompletely connected and come loose 
or the digital component was turned off.