DAV-DZ970WA, HCD-DZ970WA - Sony Audio Service Manual (repair manual). Page 24

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HCD-DZ970WA
24
6-4-4. Return to the Top Menu of Remocon Diagnosis 
Menu
Press [0] button on the remote commander.
• Check Version Information
To check the version information, please follow the following 
procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “4. 
Version Information” by pressing the [4] button on the remote 
commander. The following screen appears on the on-screen 
display.
 
To return to the Top Menu of Remocon Diagnosis Menu, press  
[0] button on the remote commander.
6-5.  AUTOMATIC  ACOUSTIC  FIELD  CALIBRATION 
 
  MICROPHONE  TEST  MODE
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [FUNCTION] button to set the function “ DVD”.
3.  Insert ECM-AC2 supplied as an accessory into the AUDIO IN/
A.CAL MIC jack.
4.  While pressing the [
X
] and [
A
] buttons simultaneously, turn 
the [VOLUME] control in the direction of (+).
5. Confi rm that the following are shown on the display panel.
1
  The JACK inserted/non-inserted detection display and the 
STEREO/MONO detection display.
6.  To exit from this mode, press the [
X
] and [
A
] buttons simulta-
neously, turn the [VOLUME] control in the direction of (+).
7.  DEMO  PLAY  OUT
It is a mode to release the demonstration reproduct by the dedicated 
demonstration disc.
1.  During playback the DEMO Disc, press the [
x
] and [
H
buttons for fi ve seconds simultaneously.
2.  The message “DEMO OFF” is displayed, a mode to reproduct 
the demonstration is released.
8.  DIGITAL  MEDIA  PORT  TEST
1.  Connect the DMPORT CHECK JIG (P/N: J-2501-309-A) with 
the terminal DMPORT.
2.  Press the [
?/1
] button to turn the power on.
3. Confi rm that both LEDs of the DMPORT confi rmation  JIG 
lights. (Confi rmation the power supply line.)
4.  Set the [FUNCTION] button with “DMPORT” on this model.
5.  Press the [
X
], [
.
] buttons and turn the [VOLUME] control 
in the direction of (+) simultaneously, the DMPORT test mode 
is activated.
6. It is confi rmed that “DMPORT OK” is displayed on this set 
display. (Confi rmation of communication line)
7.  To a pin jack of the DMPORT confi rmation JIG input 
information relevant to audio signal (sine-wave 1.0Vrms) and 
composite video signal (white 100% 1.0Vp-p, color bar, etc.) 
8. Confi rm the output of speakers and monitor TV. (Confi rmation 
of analog signal)
9.  To exit from this mode, press the [
X
], [
.
] buttons and turn 
the [VOLUME] control in the direction of (+).
Version information
[O]  Return to Top Menu
Firm (Main) :  Ver. xxxxx
Firm (Sub) :  xxxxx
RISC :   xxxxx
8032  :   xxxxx
Audio DSP :  xxxxx
Servo DSP :  xxxxx
color pattern
generator
DMPORT 
CHECK JIG 
(P/N: J-2501-309-A)
MAIN
board
TV
CN204
J404
J001 7
AF oscillator
FL speaker, 
FR speaker
IO-COMPONENT
board
SPEAKER
board
TB100
VIDEO
AUDIO
SET
   
  “NON”  : Not detected
 “ST”  : 
STEREO
 “MONO” 
MONO
JACK
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