Self-Diagnosis Function - Sony MDS-JB730 Service Manual

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)".
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.
[ AMS ]
1. While pressing the ≠
[ ]
and p button.
[ AMS ]
≠ ±
2. Turn the
[ AMS ]
±
3. Turn the ≠
[YES]
4. Press the button to sets the error history mode and displays "total rec".
5. Select the contents to be displayed or executed using the
[ AMS ]
≠ ±
6. Press the
[ AMS ]
≠ ±
7. Press the
[MENU/NO]
8. Press the button to display "ERROR DP MODE" and releases the error history mode.
9. To release the test mode, press the
ends.

SELF-DIAGNOSIS FUNCTION

[ ]
± knob and p button, connect the power plug to the outlet, and release the
knob and when "[Service]" is displayed, press the
knob to display "ERR DP MODE".
[ AMS ]
knob to display or execute the contents selected.
knob another time returns to step 4.
[REPEAT]
button. The unit sets into the STANDBY state, the disc is ejected, and the test mode
[YES]
button.
≠ ± knob.
– 2 –
[ AMS ]
±
≠ knob