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6

? 

/ 

1

DISPLAY

DIMMER

ON SCREEN

MEMORY SHIFT

FM MODE

FM

AM

PRESET
TUNING

TUNING

–

+

–

+

MULTI CHANNEL DECODING

A.F.D.

SOUND FIELD

MULTI /2CH A. DIRECT

DIGITAL CONCERT HALL

EQUALIZER

MUTING

INPUT MODE

MODE

2ND ROOM

FUNCTION

6.1 CH DECODING

CINEMA STUDIO EX

A

A

MODE

2CH

PHONES

VIDEO 3 INPUT

VIDEO       L AUDIO R

SPEAKERS

EQ

SURR

LEVEL

SET UP

NAME

ENTER

B

B

C

MASTER VOLUME

+

–

w;

qh

qk

ql

qj

qf

qd

qs

wh

wa

wg

wf

ws

wd

qg

qs

MUTING button
Press to mute the sound. MUTING appears in the
display when the sound is muted.

qd

6.1 CH DECODING button
Press 6.1 CH DECODING to adjust the 6.1 channel
matrix parameter in the SET UP menu (page 51).
This function works only for the multi channel format
[3/2].
This function is effective for the following sound
fields.
• A.F.D.*
• NORMAL SURROUND
• CINEMA STUDIO EX A-C
• SEMI CINEMA STUDIO EX A-C
• NIGHT THEATER
• MONO MOVIE
• STEREO MOVIE
• V. MULTI DIMENSION
• VIRTUAL MULTI REAR
• V. SEMI M. DIMENSION
• VIRTUAL ENHANCED A, B

qf

EQUALIZER button
Press to turn the equalizer on or off. The EQ indicator
in the display lights when the equalizer is turned on.
When you adjust the equalizer using the EQ
parameters (page 38), the settings are stored
automatically and can be reproduced wherever you
turn on the equalizer.

• The equalizer is not compatible with 96 kHz digital audio

signals and during MULTI CH IN input.

qg

DIGITAL CONCERT HALL buttons
Use the DIGITAL CONCERT HALL buttons to enjoy
the DIGITAL CONCERT HALL sound effects.

A/B buttons
Press to activate the DIGITAL CONCERT HALL A or
B sound field (page 32).

qh

MULTI/2CH A. DIRECT button
Press MULTI/2CH A. DIRECT to enjoy the audio
source connected to the MULTI CH IN jacks or analog
2 channel input jacks. Only volume control and the
front speaker balance can be adjusted when set to 2CH
ANALOG DIRECT. When set to MULTI DIRECT, you
can adjust balance and level of all the speakers. When
this function is on, the surround effects are turned off.

MULTI

Enjoy the audio source connected
to the MULTI CH IN jacks.
MULTI CH IN indicator lights up
in the display. This mode is
suitable for enjoying high quality
analog source.

2CH A. DIRECT

Enjoy the audio source connected
to analog 2 channel jacks. This
mode is suitable for enjoying
high quality analog source.

qj

SET UP button
Press to activate the setup mode, then use the cursor
buttons (wa) to select any of the following indications.
You can then make various settings using the jog dial
(w;). For details, see “Adjustment Using the SET UP
Button” starting from page 51.

qk

NAME button
Press to activate the name function and enter names
for preset stations and program sources (page 49).

ql

ENTER button
Press to enter individual characters for the preset
station and program source names.

w;

Jog dial
Turn to adjust the selected speaker level, surround,
and equalizer parameters (etc.).

wa

Press to select various speaker level, surround, and
equalizer parameters (etc.).

ws

EQ button
Press to activate the equalizer parameters (page 38).
The indicator on the button lights up and you can
adjust the various equalizer parameters.

wd

SURR button
Press to activate the surround parameters (page 36).
The indicator on the button lights up and you can
adjust the various surround parameters (effect level,
wall type, etc.).

wf

LEVEL button
Press to activate the speaker level parameters (page
37). The indicator on the button lights up and you can
adjust the various speaker level parameters (front
balance, surround balance, etc.).

wg

ON SCREEN button (STR-DE975 only)
Press to turn the on-screen display on or off (page 8).
Press to display the current sound field, and the
parameters for SURR, LEVEL, EQ, and SET UP. Press
again to turn off the on-screen display.

wh

SPEAKERS button
Press SPEAKERS button to ON. Press again to OFF.

PHONES jack
Connects headphones.

• When you connect the headphones, no sound will come

from the speakers and “SP. OFF” lights up in the display.

7

* All preset contents are reset to the default setting.
* Procedure:

While depressing the  SET UP  and the  DIMMER  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
The message “TUNER FACTORY PRESET” appears and the
present contents are reset to the default values.

* Either the 9 kHz step or 10 kHz step can be selected for the AM

channel step.

* Procedure:

Set the FUNCTION to AM.  Turn off the main power.
While depressing  the PRESET TUNING+ button, press the power.
?/1

  button to turn on the main power.  Either the message 9 k

STEP or 10 k STEP appears.  Select the desired step.

* For US/Canadian/E model only

* All fluorescent segments are tested.  When this test is activated,

all segments turn on at the same time, then each segment turns on
one after another.

* Procedure:

While depressing the  A.F.D.  and the  DIMMER  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.

1. All segments turn on.

VIDEO 3 , SURR , LEVEL , SOUND FIELD MODE  and
MULTI/2CH A. DIRECT LEDs turn on.

2. Press the  A.F.D.  or the DIMMER button, confirm display.
(Display)

MULTI CHANNEL DECODING  (blue),   VIDEO 1 , DVD/LD ,
EQ , NAME and  A.F.D. LEDs turn on.

3. Press the  A.F.D. or the DIMMER button, confirm display.
(Display)

Digital Cinema Sound , VIDEO 2 , TV/SAT ,
6.1CH DECODING , SET UP and  2CH  LEDs turn on.

4. Press the  A.F.D.  or the DIMMER button, All segments turn

off. ALL LEDs turn off.

5. Every pressing of the A.F.D. or the DIMMER button turns on

each segment and LED one after another in the same order.

* The preset sound field is cleared when this mode is activated.

Use this mode before returning the product to clients upon
completion of repair.

* Procedure:

While depressing the SOUND FIELD MODE button, press the
power  ?/1  button to turn on the main power.  The message
“S.F Initialize” appears and initialization is performed.

* Demonstration is performed.
* Procedure :

While depressing the  SET UP  button, press the power  ?/1
button. The message appears and demonstration is performed.

* To finish DEMONSTRATION MODE, press the power ?/1

button while the introduction message appears in the display.

* The version is displayed.
* Procedure:

While depressing the MUTING and the DIMMER buttons
simultaneously, press the power  ?/1  button to turn on the main
power.  The massage “VERSION” and the version number are
displayed.

* Button check
* Procedure:

While depressing the LEVEL and the DISPLAY buttons
simultaneously, press the power  ?/1  button to turn on the main
power.
“Rest 36 Key” appears.
Every pressing of any button other than  ?/1 counts down the
buttons.  The buttons which are already counted once are not
counted again.  When all buttons are pressed “Rest 00 Key”
appears.

* This mode is installed in the Europe models only. When this mode

is used, the receiver scans the broadcasts that can be received by
tuner, and sets up the broadcasts. Be sure to start scanning after
connecting the antenna.
Procedure:
Check that the antenna is connected. Press the ?/1 button while
pressing the  MEMORY button to turn on the power. The message
appears and scanning starts by tuner.

8

VIDEO board 

VIDEO 3  board
          (DE975)

DIGITAL board 

MAIN board

JOG board

DISPLAY board

HEADPHONE board

POWER SWITCH board

STANDBY board

SPEAKER board

S-VIDEO board  

2 ND-AUDIO board 

(DE975) 

AC SELECT board

9

9

• All capacitors are in 

µ

F unless otherwise noted. p : pF. 50

WV or less are not indicated except for electrolytics and
tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

%

: indicates tolerance.

•

f

: internal component.

•

2

: nonflammable resistor.

•

1

: fusible resistor.

•

C

: panel designation.

• 

A

 : B+ Line.

• 

B

 : B– Line.

•

H

: adjustment for repair.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.
No mark : FM

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.

• Signal path.

F

: FM

J

: CD (ANALOG)

c

: DVD (DIGITAL)

• Abbreviation

CND : Canadian model
MY

: Malaysia model

SP

: Singapore model

CH

: Chinese model

AUS

: Australian model

Note:
The components identified by
mark 

0

 or dotted line with mark

0

 are critical for safety.

Replace only with part number
specified.

Note:
Les composants identifiés par
une marque 

0

 sont critiques

pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.

• X

: parts extracted from the component side.

•

a

: Through hole.

•

f

: internal component.

•

: Pattern from the side which enables seeing.

Caution:
Pattern face side:

Parts on the pattern face side seen from

(Side A)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Side B)

the parts face are indicated.