HT-K25, TA-VE25 - Sony Audio Service Manual (repair manual). Page 5

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Note: Before loading test mode. Be sure to bring in the entire sys-

tem (control center (TA-VE25) and subwoofer(SA-
WMS25)). This product is system product, and the entire
system is needed to determine the location requiring repair.

[Software Version Display Mode]
* The software version is displayed.
Procedure:
While depressing the  VIDEO  button, press the  ?/1  button to turn
on the main power. The destination and the software version are
displayed for four seconds.

[Fluorescent Indicator Tube Test Mode]
* Fluorescent segments and LEDs are tested when this test is ac-

tivated.

Procedure:
While depressing the  VIDEO  and the  SOUND FIELD  buttons
simultaneously, press the  ?/1  button to turn on the main power.
1. All segments turn on (Holizontal display).

The  MUTING  LED turns on.

2. Press the  VIDEO  button, confirm the display.

The  VIDEO  LED turns on.

3. Press the  VIDEO  button, confirm the display.

The  TV  LED turns on.

4. Press the  VIDEO  button, all segments turn on (Vertical dis-

play).

The  AUX  LED turns on.

5. Press the  VIDEO  button, confirm the display.

The  SAT  LED turns on.

6. Press the  VIDEO  button, confirm the display.

The  DVD  LED turns on.

7. Press the  VIDEO  button, all segments turn off.

The SIRCS LED turns on.

8. Every pressing of the  VIDEO  button turns on each segment

one after another in the same order.
(not only the  VIDEO  button, but also the other buttons such
as  DVD ,  TV ,  SAT  and  AUX  can be used.)

9. To exit from this mode, press the  ?/1  button.

[All Clear Mode]
* All preset contents are cleared when this mode is activated.
Procedure:
While depressing the  AUX  and the  ;PLII  buttons simultaneously,
press the  ?/1    button to turn on the main power. The message
“INITIAL” is displayed for four seconds and initialization is
performed.