MDS-LSA1 - Sony Audio Service Manual (repair manual). Page 3

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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  POWER “X2”  button to
exit the mode.

1. Hold the  .  button and  x  button down and connect the power plug to the outlet. After a few seconds, release the  .  button and

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

2. Press the  .  or   >  button and when “[Service]” is displayed, press the  7    button.
3. Press the  .  or   >  button and display “Err Display”.
4. Pressing the  7   button sets the error history mode and displays “op rec tm”.
5. Select the contents to be displayed or executed using the  .   button.
6. Pressing the  POWER   button will display or execute the contents selected.
7. Pressing the  POWER   button another time returns to step 4.
8. Pressing the  x  button displays “Err Display” and exits the error history mode.
9. To exit the test mode, press the  POWER “X2”  button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.
10.If the unit fails to enter STANDBY mode, remove the AC cord from its socket, insert the AC cord into the socket again, turn on the power,

and then check to make sure that the unit has exited from test mode.

NOTE
• The MDS-LSA1 is designed so that a number of functions which may be performed in test mode may be performed by clicking a single

button.

Switching between functions
Pressing the  INPUT  button causes the display to change as indicated below.

Hidden t “X2”

The functions performed by each button change in accordance with the DISPLAY mode.
Note that the following notation is used herein:
 POWER ............. Press the  POWER  button when HIDDEN.
 POWER “X2” .... Press the  POWER  button while “X2” is lit.

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