Self-Diagnosis Function - Sony MDS-JB940 Service Manual

Minidisc deck

Operating instructions manual (120 pages)

Operating instruction (59 pages)

Specifications (2 pages)

Table of Contents

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)".

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.

Three- or five-

digit code/

Cause/Remedy

Message

The inserted MD is record-protected.

C11/Protected

Take out the MD and close the record-

protect slot (page 15).

You tried to record a CD with a format

that the external device connected to the

deck does not support, such as CD-ROM

C12/Cannot Copy

or video CD.

Remove the disc and insert a music

CD.

The recording was not made properly.

Set the deck in a stable surface, and

repeat the recording procedure.

The inserted MD is dirty (with smudges,

C13/REC Error

fingerprints, etc.), scratched, or

substandard in quality.

Replace the disc and repeat the

recording procedure.

The deck could not read the TOC on the

MD properly.

C13/Read Error

Take out the MD and insert it again.

The deck could not read the TOC on the

MD properly.

C14/Toc Error

Insert another disc.

If possible, erase all the tracks on the

MD (page 32).

The sound source is a copy of

commercially available music software, or

you tried to record a CD-R (Recordable

CD).

C41/Cannot Copy

The Serial Copy Management System

prevents making a digital copy

(page 52). You cannot record a CD-R.

PROCEDURE FOR USING THE SELF-DIAGNOSIS FUNCTION (ERROR HISTORY DISPLAY MODE)

Note: 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 l AMS L knob and x button, connect the power plug to the outlet, and release the l AMS L knob and

x button. When the test mode is set "[Check]" is displayed.

2. Turn the l AMS L knob and when "[Service]" is displayed, press the YES button.

3. Turn the l AMS L knob to display "Err Display".

4. Press the YES button to sets the error history mode and displays "op rec tm".

5. Select the contents to be displayed or executed using the l AMS L knob.

6. Press the l AMS L knob to display or execute the contents selected.

7. Press the l AMS L knob another time to return to step 4.

8. Press the MENU/NO button to display "Err Display" and release the error history mode.

9. To release the test mode, press the REPEAT button. The unit sets into the STANDBY state and the test mode ends.