DOWNLOAD Sony STR-DE675 Service Manual ↓ Size: 15.03 MB | Pages: 45 in PDF or view online for FREE

6

MULTI CHANNEL DECODING

INPUT MODE

MUTING

VIDEO 1

MD/TAPE

VIDEO 2

CD

DVD/LD

TUNER

TV/SAT

AUX

DISPLAY

DIMMER

PHONES

SPEAKERS

/ 

MEMORY

SHIFT

FM MODE

FM

AM

EQ

SURR

LEVEL

SET UP

NAME

A

ENTER

A.F.D.

SOUND FIELD

MULTI CH IN

EQUALIZER

CINEMA STUDIO EX

MODE

2CH

PRESET
TUNING

TUNING

–

+

–

+

B

C

MASTER VOLUME

–

+

w;

wa

ws

qg

qh

qj qk

ql

qg

EQ button
Press to activate the equalizer parameters (page 36).
The indicator on the button lights up and you can
adjust the various equalizer parameters.

qh

SURR button
Press to activate the surround parameters (page 34).
The indicator on the button lights up and you can
adjust the various surround parameters (effect level,
wall type, etc.).

qj

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

qk

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
(ws).

Speaker type

Specify the type of speakers.
(page 17)

Speaker setup

Specify the front, center,
surround speaker sizes, the
surround speaker position, and
whether or not you are using a
sub woofer. (page 17)

Speaker Distance

Specify the front, center, and
surround speaker distances.
(page 19)

MULTI CH IN video input Specify the video input to be

used with the audio signals from
the MULTI CH IN jacks. (page
45)

Dimmer range

Specify the display to turn off
when you press the DIMMER
button several times. (page 45)

ql

NAME button
Press to activate the name function and enter names
for preset stations and program sources (page 43).

w;

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

wa

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

ws

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

7

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

While depressing the  VIDEO 1  and the  2CH  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
The message FACTORY appears and switch off the set.
While depressing the  VIDEO 1  and the  2CH  buttons simul-
taneously, press the power  ?/1  button again. The message
FACTORY 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  TUNING+ button or 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

* DSP version is displayed.
* Procedure :

While depressing the  MD/TAPE  and the  A.F.D  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.
“ DSP ”and the version are displayed.

* 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  MD/TAPE  and the  SHIFT  buttons simul-
taneously, press the power  ?/1  button to turn on the main power.

1. All segments turn on.

All LED turn on.

2. Press the  VIDEO 1  button, confirm display

MULTI CHANNEL DECODING (blue),  Digital Cinema Sound ,
LEVEL  ,  SET UP  ,  A.F.D  and  MODE  LED turn on.

3. Press the  VIDEO 1  button, confirm display

EQ  ,  SUR  ,  NAME  and  2CH  LED turn on.

4. Press the  VIDEO 1  button, All segments turn off.

5. Every pressing of the VIDEO 1 button turns on each

segment and LED one after another in the same order.
(Not only the VIDEO 1 button, but also the other buttons such
as VIDEO 2 ,  DVD/LD , TV/SAT , MD/TAPE , CD ,
TUNER and AUX can be used.)

* 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
SURR. CLR. 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 software version is displayed.
* Procedure:

While depressing the TUNER and the SHIFT buttons
simultaneously, press the power  ?/1  button to turn on the main
power.  The model name, destination and the software version are
displayed.

* Button check
* Procedure:

While depressing the VIDEO 1  and the SHIFT buttons
simultaneously, press the power  ?/1  button to turn on the main
power.
“REST 37” appears.
Every pressing of any button other than  ?/1  and  SPEAKERS
counts down the buttons.  The buttons which are already counted
once are not counted again.  When all buttons are pressed “REST
00” appears.
When MASTER VOLUME is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.

SW

L

SL

C

R

S

SR

SLEEP

SP.OFF

( ( ( L F E ) ) )

DIGITAL

OPT COAX MULTI CH IN

PRO LOGIC DTS MPEGSTEREO MONO RDS

MEMORY

MUTING

INFO

NEWS

TA

EQ

D.RANGE

dB

kHz

mft.

MHz

SW

L

R

S

SLEEP

 L F E 

COAX

PRO LOGIC

MPEGSTEREO

RDS

MUTING

INFO

TA

D.RANGE

k    

m   

MHz

SL

C

SR

SP.OFF

( ( (       ) ) )

DIGITAL

OPT

MULTI CH IN

DTS

MONO

MEMORY

NEWS

EQ

dB

  Hz
   ft.

8

* DSP tests are performed.
* Procedure :
1. While depressing the  LEVEL  and  CD  buttons simultaneously,

press the power  ?/1  Button to turn on the main power.

2. Press the   NAME  button.
3. Select the item by pressing Cursor button ( <  or  >  ).
4. Select the function by turning Jog dial if selection is necessary.

SWAP

DSP communication

Bass Management

Main Speaker cut off Freq.

LFE cut off Freq.

Co-ef. Read Address

Co-ef. Read Data

Co-ef. Write Address

Co-ef. Write Data

SRAM

Selection of setting

output channels

Checking communication

between DSP and microcom

Checking communication

between DSP and SRAM

Normal channel output

Left input

t Front Left, Surround Left, Center channel output

Right input t Front Right, Surround Right, Sub Woofer channel output

Left input

t Center channel output

Right input t Sub Woofer channel output

Left input

t Surround Left channel output

Right input t Surround Right channel output

When this item is selected the message will be displayed “ OK ” if the

checking is correct. “ ERROR ” will be displayed in a case of an error.

Not used for service

Not used for service

Not used for service

Not used for service

Not used for service

Not used for service

Not used for service

“ RAMC. OFF ” will be displayed in a case of no checking.

By turning Jog dial “ RAMC. EXE ” will be displayed during the

checking.

After a while “ RAMC. PASS ” will be displayed if the checking is good.

“ RAMC. NG ” will be displayed if an error occurs.

NORM

ALL

C SW

SLSR

–

–

–

–

–

–

–

–

OFF

ON

9

9

• All capacitors are in 

µ

F unless otherwise noted.  pF: 

µµ

F

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

TW

: Taiwan model

KR

: Korea model

MX

: Mexican model

AR

: Argentina model

CH

: Chinese 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.

C

B

These are omitted.

E

Q

B

These are omitted.

C

E

AC SEL board (E model)

IMPEDANCE SELECT board (US, Canadian model)

VIDEO board 

DIGITAL board 

TUNER UNIT

MAIN board

JOG board

DISPLAY board

HEADPHONE board

POWER SWITCH board

STBY board

S-VIDEO board  

• X

: parts extracted from the component side.

•

a

: Through hole.

•

f

: internal component.

•

: Pattern from the side which enables seeing.