STR-DN610 - Sony Audio Service Manual (repair manual). Page 10

INITIALIZE MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1.  While pressing the [INPUT SELECTOR +] and [MUTING] 

buttons, press the [?/1] button to turn on the main power.

2.  The message “CLEARING” appears and the memories are 

reset to the default values.

3.  When done, the message “CLEARED” appears.

COMMAND MODE CHANGE MODE
The command mode of the remote-commander which this set 
receives can be changed.
Procedure:
1.  While pressing the [INPUT MODE] and [2CH/A.DIRECT] 

buttons, press the [?/1] button to turn on the main power.

2.  Either the message “C.MODE.AV1” or “C.MODE.AV2” 

appears. Select the desired mode.

USER INITIALIZE
Procedure:
1.  Press the [?/1] button to turn on the power and hold the
 

[?/1] for 5 seconds.

2.  The message “CLEARING” appears on the display.
3.  After a few seconds, “CLEARED” appears.

DMPORT MODE
* All preset contents are cleared when this mode is activated. Use 

this mode before returning the product to clients upon comple-
tion of repair.

* Procedure:
1.  Connect the DMPORT check jig (P/N: J-2501-309-A) with 

the DMPORT Jack (J2901) on the MICOM board.

2.  While pressing the [INPUT SELECTOR +] and [MUSIC] 

buttons, press the [?/1] button to turn on the main power.

3.  The message “DMPORT T.” and “DMPORTOK” appears on 

the fl uorescent indicator tube and enter the digital media port 
test mode. (Confi rmation of communication line). When 
“NO DET”, “UART NG” and “UART TO” are displayed on 
the fl uorescent indicator tube, confi rm the connection of the 
DMPORT check jig, and enter the mode again. Each time the 
[>] button on the remote commander is pressed, the 
connect check and adaptor version check are switched. Press 
the [.] button on the remote commander, connected 
confi rmation of the DMPORT check jig is done again.

4.  To a pinjack of the DMPORT check jig input information 

relevant to audio signal (sine-wave 1.0V rms) and composite
video signal (white 100% 1.0Vp-p, color bar, etc).

5. Confi rm the output of speakers and monitor TV. (Confi rmation 

of analog signal).

6.  To release from this mode, press the [x] button on the remote 

commander.