DOWNLOAD Sony STR-DE475 Service Manual ↓ Size: 13.53 MB | Pages: 39 in PDF or view online for FREE

5

6

* The software version is displayed.
* Procedure:

While depressing the TUNER and the VIDEO buttons
simultaneously, press the power  ?/1  button to turn on the main
power.  The model name, destination and the software 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 TV/SAT and the DVD/LD buttons
simultaneously, press the power  ?/1  button to turn on the main
power.

1. All segments turn on.

NAME  , SURR and SOUND FIELD MODE LED turn on.

2. Press the VIDEO button, confirm display

Digital Cinema Sound, SET UP and 2CH LED turn on.

3. Press the  VIDEO button, confirm display

MULTI CHANNEL DECODING(blue), LEVEL and A.F.D
LED turn on.

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

5. Every pressing of the VIDEO button turns on each segment and

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

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

While depressing the VIDEO and the CD buttons simultaneously,
press the power  ?/1  button to turn on the main power.  The
message FACTORY appears and switch off the set.
While depressing the VIDEO and the CD buttons simultaneously,
press the power  ?/1  button again. The message FACTORY
appears and the present contents are reset to the default values.

* 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. CLR appears and initialization is performed.

* 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

* Button check
* Procedure:

While depressing the SURR and the A.F.D buttons simultaneously,
press the power  ?/1  button to turn on the main power.
“REST 36” 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” appears.
When MASTER VOLUME is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 30”, “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.

7

• 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 production
tolerances.

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

F

: FM

f

 : CD

• Abbreviation

CND : Canadian model.
AUS

: Australian model.

AR

: Argentine model.

CH

: Chinese model.

MX

: Mexican model.

Note:
The components identified by
mark 

!

 or dotted line with mark

!

 are critical for safety.

Replace only with part number
specified.

Note:
Les composants identifiés par
une marque 

!

 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.

• b

: Pattern from the side which enables seeing.

8

STANDBY board

AC SELECT board

POWER SW board

HP board

DISPLAY board

MAIN board

VIDEO board

DIGITAL board