HT-K25, TA-VE25 - Sony Audio Service Manual (repair manual). Page 6

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[DSP Test (The Remote Test)]
* DSP communication parameter swap mode is set and the re-

mote commander is tested when this mode is activated.

Procedure:
While depressing the  DVD  and the  SOUND FIELD  buttons
simultaneously, press the  ?/1  button to turn on the main power.
1. The message “DSP TEST” is displayed.
2. Press the  ;PLII  button, the message “SWAP NRM” is dis-

played and DSP swap mode is set to OFF.
The remote control receiver IC201 and IC204 (Control center
both sides) are operable and the SIRCS LED turns on when
the remote signal is received.

3. Press the  ;PLII  button, the message “SWAP ALL” is dis-

played and DSP swap mode is set to ALL.
The remote control receiver IC201 (Control center buttons side)
is operable and the SIRCS LED turns on when the remote sig-
nal is received.

4. Press the  ;PLII  button, the message “SWAP CSW” is dis-

played and DSP swap mode is set to CSW.
The remote control receiver IC204 (Control center LEDs side)
is operable and the SIRCS LED turns on when the remote sig-
nal is received.

5. Press the  ;PLII  button, the message “SWAP SLR” is dis-

played and DSP swap mode is set to SLR.
The remote control receiver IC204 (Control center LEDs side)
is operable and the SIRCS LED turns on when the remote sig-
nal is received.

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

[Key Test]
* All keys (without the  ?/1  button) are tested when this mode is

activated.

Procedure:
While depressing the  VIDEO  and the  ;PLII   buttons
simultaneously, press the  ?/1  button to turn on the main power.
1. The message “12345678” is displayed. If the button corre-

sponding to the following number is pressed, the number on
the display will be turned off.

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

Key numbers
1 :  VIDEO , 2 :  DVD , 3 :  TV , 4 :  SAT , 5 :  AUX ,
6 :  SOUND FIELD , 7 :  ;PLII  , 8 :  MUTING