Sony MDS-PC1 Service Manual page 2

SELF-DIAGNOSIS FUNCTION
The self-diagnosis function consists of error codes for users 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 users, refer to the following box in the
instruction manual. For details on how to perform checks 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
steps. Be careful not to enter other modes by mistake. If other modes are set accidentally, press the EDIT/NO button to exit that
mode.
1. While pressing the AMS dial, connect the power plug to the outlet, and release the AMS dial.
2. Rotate the AMS dial until "ERR DP MODE" is displayed.
3. Pressing the YES button sets the error history mode and displays "total rec".
4. Select the contents to be displayed or executed using the AMS dial.
5. Pressing the AMS dial displays or executes the contents selected.
6. Pressing the AMS dial another time returns to step 4.
7. Pressing the EDIT/NO button displays "ERR DP MODE" and exits the error history mode.
8. To exit the test mode, set the TIMER knob to "OFF", and press the 1/u button. The unit sets into the STANDBY state, and the test mode
ends.
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