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Sony STR-DE335 Service Manual

STR-SE391 STR-V323

Made by: Sony
Type: Service Manual
Category: Stereo Receiver
Pages: 10
Size: 1.78 MB

 

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MICROFILM

SERVICE MANUAL

FM STEREO/FM-AM RECEIVER

US Model

STR-DE335/SE391

Canadian Model

AEP Model

E Model

Australian Model

STR-DE335

Chinese Model

STR-V323

STR-DE335/SE391/V323

SPECIFICATIONS

Photo: STR-DE335 US model

Audio power specifications (US model)

POWER OUTPUT AND TOTAL HAR-
MONIC DISTORTION

With 8-ohm load, both channels driven,
from 20

a)

 – 20,000 Hz, rated 100 watts

per channel minimum RMS power, with
no more than 0.09 %

b)

 total harmonic

distortion from 250 milliwatts to rated
output.
STR-SE391:
a) 40Hz
b) 0.5 %

Amplifier section

Power output
Stereo mode

STR-DE335/V323
US, Canadian models:
(8 ohms at 20 Hz – 20 kHz

less than 0.09 % total
harmonic distortion)
100 W + 100 W

AEP model:
(DIN 1 kHz, 4 ohms)

80 W + 80 W

Malaysia, Singapore,

Chinese, Australian
models:

Rated power:
(8 ohms at 1 kHz,

THD 0.7 %)
80 W + 80 W

Reference power:
(8 ohms at 20 Hz – 20 kHz,

less than 0.09 % total
harmonic distortion)
70 W + 70 W

E model:
Rated power: (8 ohms at

1kHz, THD 0.7 %)
100 W + 100 W

Reference power:
(8 ohms at 20 Hz – 20 kHz,

less than 0.09 % total
harmonic distortion)
95 W + 95 W

STR-SE391
(8 ohms at 40 Hz – 20 kHz,

less than 0.5 % total
harmonic distortion)

100 W + 100 W

Surround mode

STR-DE335/V323

and 5.1 CH/DVD

US, Canadian models:

mode

(8 ohms at 1 kHz, THD

(Reference)

0.8%)

Front: 80 W/ch
Center: (Pro Logic mode)

80 W

Rear: 80 W/ch
AEP model:
(DIN 1 kHz, 4 ohms)
Front: 70 W/ch
Center: 70 W
(only in PRO LOGIC

mode)

Rear: 70 W/ch
E, Malaysia, Singapore,

Chinese, Australian
models:

Rated power: (8 ohms at

1 kHz, THD 0.7 %)

Front: 80 W/ch
Center: (Pro Logic mode)

80 W

Rear: 80 W/ch

– Continued on next page –

STR-SE391
(8 ohms at 1 kHz,

THD 0.5 %)

Front: 80 W/ch
Center: (Pro Logic mode)

80 W

Rear: 80 W/ch
Reference power:
(8 ohms 20 Hz – 20 kHz,

less than 0.09 % total
harmonic distortion)

Front: 70 W/ch
Center: (Pro Logic mode)

70 W

Rear: 70 W/ch
RMS power:
(8 ohms at 1 kHz,

THD 10 %)

Front: 100 W/ch
Center: (Pro Logic mode)

100 W

Rear: 100 W/ch

Frequency

PHONO: RIAA

response

equalization curve ±0.5 dB
(STR-SE391)

TV/SAT (TV/LD), CD,
MD/TAPE, VIDEO
5.1 CH/DVD:

10 Hz – 50 kHz ± 1 dB

 


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STR-DE335/SE391/V323

– 11 –

– 12 –

SECTION  5

DIAGRAMS

5-1.

BLOCK  DIAGRAM  – MAIN Section (1/2) –

VIDEO SELECT SWITCH,

VIDEO AMP

IC251

FUNCTION

SWITCH

IC401

DOLBY SURROUND

PRO-LOGIC DECODER

IC300

DOLBY SURROUND
PASSIVE DECODER

IC301

VOLUME

MOTOR DRIVE

IC202

SYSTEM CONTROLLER

IC201 (1/2)

05

D

(Page 11)

E

(Page 11)

(Page 11)

C

(Page 11)

B

(Page 11)

A

(Page 11)

 SIGNAL PATH

: TUNER (FM)

: VIDEO

FM/AM TUNER PACK

COM

COM

L OUT

FM-ANT

FM-ANT
GND

AM-ANT

AM-ANT
GND

R OUT

VIDEO

TV/SAT

R-CH

R-CH

IC MUTE

S1

S2

IC MUTE

S1
S2

VOUT1

J252 (1/2)

J252 (2/2)

J251

VIN3

S.CLK

SW2

SW1

MUTE2

MUTE1

4

8

7

13

14

16

2

45

24

19

18

15

S.DATA

14

S.LAT

13

CLK 47

DATA 46

ENABLE

OSC1

45

48

CLK

2

DATA

3

ENABLE

4

26

25

11

4

2

10

VOUT2

5

12

VIN1

1

VIN2

3

X201

4.19MHz

CENTER

RCH

LCH

S-RCH

S-LCH

WOOFER

–1

–2

L-OUT

R-OUT

S-OUT

C-OUT

L-IN

FCC-IN1

R-IN

VIDEO

REC

TAPE

REC

REC COM

FUNC.MUTE

43

42

3

2

54

UP

8

DOWN

UP

DOWN

VOL UP

VOL DOWN

34

35

X1

X2

36

WOOFER-RLY

21

SP-RLY

22

SURR-RLY

14

REAR-RLY

16

WOOFER-RLY

SP-RLY

SURR-RLY

REAR-RLY

PROTECT

7

23

22

14

L-IN

11

R-IN

12

S-IN

13

FCRS-IN

21

LC-INB

39

LC-INE

40

CR-OT

41

CR-IN

42

FCLS-IN

20

FCR-IN

LS-OUT

RS-OUT

19

FCL-IN

18

9

10

41

40

39

38

22

21

20

5.1 CH/DVD

VIDEO

TV/SAT

VIDEO IN

MONITOR

VIDEO OUT

VIDEO

VIDEO OUT

MUTE

VIDEO

AMP

MUTE

VIDEO

AMP

LEVEL
SHIFT

SHIFT

REGISTER

& LATCH

CPU

INTERFACE

EQ AMP

IC402

VIDEO

VIDEO IN

J402 (1/2)

VIDEO

AUDIO IN

L

R

J501

FRONT

WOOFER

5.1 CH/

DVD

CENTER

RV421

BASS

RV422

TREBLE

RV423

BALANCE

L

R

REAR

L

R

R-CH

TV/SAT

AUDIO IN

L

R

R-CH

J401 (1/2)

MD/TAPE IN

L

R

LINE AMP

IC302 (1/2)

LINE AMP

IC502

LINE AMP

IC404 (1/2)

LINE AMP

IC404 (2/2)

LINE AMP

IC302 (2/2)

MOTOR

DRIVE

MUTING

Q366

MUTING

Q363

MUTING

Q364

25

24

L-OUT

R-OUT

MUTING

Q361

MUTING

Q362

OSC

MUTING

Q365

R-CH

J451

(STR-SE391)

PHONO

IN

ANTENNA

AM

FM 75

COAXIAL

L

R

R-CH

R-CH

CD IN

L

R

R-CH

R-CH

J402 (2/2)

J401 (2/2)

VIDEO
AUDIO

OUT

MD/TAPE
REC OUT

L

R

R-CH

L

R

13

R-CH

CD

R-CH

29

27

23

R-CH

R-CH

PHONO

R-CH

30

TUNER

R-CH

28

MD/TAPE

24

R-CH

(STR-DE335/V323)

(STR-DE335/V323)

S.DATA

S.CLK

S.LAT

DATA

CLK

EN1

DATA

(STR-DE335: AEP)

CLK

EN1

PLL DATA

PLL DATA

TUNED

STEREO

SIGNAL

TUNER-MUTE

AUTO-STOP

13 S.CE (LV1018)

12 S.CE (LC7822)

9

S.CLK

10 S.DATA

57 S2

58 S1

55 IC.MUTE

11 PLL.DATA

STEREO-IN

SIGNAL
TUNER-MUTE

31

RDS DATA IN

46

RDS CLK IN

TUNED
STEREO

SIGNAL

TUNER-MUTE

D

ATA

CLK

EN2

DATA
CLK

EN1

EN2

DO

TUNED

STEREO

SIGNAL

DET OUT

T.MUTE

RDS DECODER

IC1

57 kHz

BAND-PASS

FILTER

CLOCKED

COMPARATOR

CONTANS LOOP

VARIABLE &

FIXED DIVIDER

CLOCK

REGENERATION

& SYNC

OSCILLATOR

& CLOCK

DIFFERENTIAL

DECODER

BIPHASE SYMBOL

DECODER

X1

4.332MHz

MUX

CIN

RDDA

OSCI

OSCO

RDCL

SC

OUT

–1

–2

–1

–2

–1

–4

–2

–5

–6

RV404

MASTER VOLUME

–3

F

(Page 11)

G

M

PROTECT

TV/LD

VIDEO IN

STR-DE335: US, Canadian,
Australian

STR-DE335: US, Canadian,
Australian/STR-SE391

STR-DE335: AEP, E, Malaysia,
Singapore/STR-V323

TV/LD

AUDIO IN

STR-DE335: AEP, E, Malaysia,
Singapore/STR-V323

 


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STR-DE335/SE391/V323

– 13 –

– 14 –

5-2.

BLOCK  DIAGRAM  – MAIN Section (2/2) –

POWER AMP

IC701 (1/2)

05

D

(Page 10)

 SIGNAL PATH

: TUNER (FM)

LCH

WOOFER-RLY,
SP-RLY,
SURR-RLY,
REAR-RLY,
PROTECT

WOOFER-RL

Y

SP-RL

Y

SURR-RL

Y

REAR-RL

Y

PROTECT

PRE

DRIVE

DRIVER

CENTER

REAR

TM601

TM701

SPEAKERS FRONT

IMPEDANCE

USE 8 – 16

L

R

BASS BOOST

FILTER AMP

Q452

BASS BOOST

SWITCH

Q401

FINAL

DRIVER

Q703, 704

OVER LOAD

DETECT

Q720

BIAS

Q701, 702

NF

J253

WOOFER

AUDIO OUT

(Page 10)

G

S701–3–1

PHONES

J741

+VOUT1

–VOUT1

IN1

NF1

–1

–2

5

6

3

2

POWER AMP

IC702 (1/2)

E

(Page 10)

H

(Page 13)

RCH

BASS
BOOST

PRE

DRIVE

DRIVER

BASS BOOST

FILTER AMP

Q402

BASS BOOST

SWITCH

Q451

FINAL

DRIVER

Q753, 754

OVER LOAD

DETECT

Q770

BIAS

Q751, 752

NF

+VOUT1

–VOUT1

IN1

NF1

5

6

3

2

POWER AMP

IC701 (2/2)

B

(Page 10)

S-LCH

PRE

DRIVE

DRIVER

FINAL

DRIVER

Q653, 654

OVER LOAD

DETECT

Q670

BIAS

Q651, 652

NF

+VOUT2

–VOUT2

IN2

NF2

9

8

11

12

POWER AMP

IC501 (1/2)

C

(Page 10)

S-RCH

PRE

DRIVE

DRIVER

FINAL

DRIVER

Q503, 504

OVER LOAD

DETECT

Q520

BIAS

Q501, 502

NF

+VOUT1

–VOUT1

IN1

NF1

5

6

3

2

POWER AMP

IC702 (2/2)

F

(Page 10)

CENTER

PRE

DRIVE

DRIVER

FINAL

DRIVER

Q603, 604

PROTECT

SWITCH

Q721 – 723

WOOFER SELECT

RELAY DRIVE

Q367

OVER LOAD

DETECT

Q620

BIAS

Q601, 602

NF

+VOUT2

–VOUT2

IN2

NF2

9

8

11

12

POWER AMP

IC501 (2/2)

RY301

D721

A

(Page 10)

WOOFER

PRE

DRIVE

DRIVER

NF

+VOUT2

–VOUT2

IN2

NF2

9

8

11

12

SPEAKER PROTECT

RELAY DRIVE

Q610

RY601

SPEAKER PROTECT

RELAY DRIVE

Q510

RY551

–1

–2

–2

SPEAKER PROTECT

RELAY DRIVE

Q710

RY701

–1

D725

D728

D727

D726

D723

D312

D311

D203

+

+

+

+

+

+

S701–4–2

SPEAKERS A

Ø

 ON  

ø

 OFF

ON

OFF

S701–3

SPEAKERS A

Ø

 ON  

ø

 OFF

S701–1–1

SPEAKERS B

Ø

 ON  

ø

 OFF

S701–2

SPEAKERS A

Ø

 ON  

ø

 OFF

ON

OFF

ON

OFF

S701–2–1

ON

OFF

S701–2–2

ON

OFF

OFF

ON

S701–1–2

SPEAKERS B

Ø

 ON  

ø

 OFF

OFF

ON

A

A

R

B

B

S701–3–2

+

+

+

+

+

+

+

L

(EXCEPT STR-DE335: AEP)

SPEAKERS FRONT

IMPEDANCE

USE 4 – 16

(STR-DE335: AEP)

SPEAKERS

IMPEDANCE

USE 8 – 16

(EXCEPT STR-DE335: AEP)

SPEAKERS

IMPEDANCE

USE 4 – 16

(STR-DE335: AEP)

 


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STR-DE335/SE391/V323

– 15 –

– 16 –

5-3.

BLOCK  DIAGRAM  – DISPLAY/POWER SUPPLY Section –

05

B+ SWITCH

Q233

REMOTE CONTROL

RECEIVER

IC203

FLUORESCENT

INDICATOR

TUBE

FL201

VOLTAGE

SELECT SWITCH

S901 (2/2)

POWER ON/OFF

RELAY DRIVE

Q802

BRIDGE

RELAY DRIVE

Q809

–24V

REGULATOR

Q801

RECT
D803

RECT
D802

H

(Page 11)

BASS BOOST

B+ SWITCH

Q237

LED DRIVE

Q242

RECT

D820 – 823

RECT

D810 – 813

+12V

REGULATOR

IC801

+5V

REGULATOR

IC803

RECT

D814, 815

VREF

AC

DET

LATCH

+5.6V

REGULATOR

Q951

RESET SWITCH

Q201, 202

–12V

REGULATOR

IC802

+10V

REGULATOR

IC805

+5V

REGULATOR

IC804

+5V

F1

F2

Q234 – 236
LED DRIVE

Q236

Q235

Q234

D236

D241

D421

Q239

LED3

LED SELECT

S201 – 232, 234 – 245

BRIDGE-RLY

D201, 202

OUTC

VSC

RESET

V+

VSB

+12V

–12V

RELAY B+

+10V

DOLBY SURROUND PRO-LOGIC

CIRCUIT (IC300, 301) B+

+5V

DISPLAY SECTION B+

+5V

FM/AM TUNER PACK,

VIDEO AMP (IC251), RDS DECODER (IC1) B+

FUNCTION SWITCH (IC401),

AUDIO LINE AMP CIRCUIT

POWER AMP

CIRCUIT

–24V

FL DRIVER (IC201) B–

+5V

SYSTEM CONTROLLER

(IC201) B+

RESET SIGNAL GENERATOR,

+5.6V REGULATOR

IC950

B+

B–

–1

–2

TO FL201

F1

F2

T902

POWER

TRANSFORMER

T901

POWER

TRANSFORMER

AC OUTLET

SWITCHED 100W MAX

J911

AC OUTLET

SWITCHED 100W MAX

CNJ903

(STR-DE335: E)

RY901

(STR-SE391)

(STR-DE335: Canadian)

(STR-DE335: E)

A/D-1 – A/D-4

61

LED2

60

LED1

59

BASS BOOST

53

5.1CH LED

51

37

49

44

15

POWER-RLY 23

STOP 47

RESET 17

2

VSA

7

3

8

5

6

RY801

RY851

RY852

VOLTAGE

SELECT SWITCH

S901 (1/2)

VOLTAGE

SELECTOR

(STR-DE335: E)

S901

(STR-DE335: Canadian)

(STR-DE335: US, Canadian, E/STR-SE391)

(EXCEPT STR-DE335: E)

AC IN

J911

J911

AC OUTLET

SWITCHED 120W/1A MAX

AC 120V 60 Hz

J911

CNJ903

STR-DE335: US,
Canadian, E

STR-DE335: AEP, Malaysia,
Singapore, Australian/STR-V323

STR-DE335: US, Canadian/
STR-SE391

STR-DE335: AEP, Malaysia,
Singapore, Australian/STR-V323

EXCEPT STR-DE335: US,
Canadian, E/STR-SE391

SYSTEM CONTROLLER, FL DRIVER

IC201 (2/2)

SYS-POWER

SIRCS

S200

(POWER)

I/

u

D237

REAR

D233

CENTER

D228

BASS BOOST

D236

EFFECT/

DELAY

D234

SET UP

D235

NAME

28 – 25

DIG1 – DIG10

7 – 1, 80 – 78

S1 – S15

77 – 72, 70 – 62

S220, 227: STR-DE335/V323,
S221, 228, 245: STR-SE391,
S231: STR-DE335: AEP

LED DRIVE

Q240

D239

5.1CH/DVD

MUTING LED

50

LED DRIVE

Q241

D240

MUTING

PROLOGIC LED

38

LED DRIVE

Q230

D230

CINEMA

C.STUDIO LED

39

LED DRIVE

Q231

D231

VIRTUAL

HALL LED

40

LED DRIVE

Q232

D232

MUSIC

RDS DECODER:
STR-DE335 AEP model only.

(VIDEO AMP: STR-DE335/V323 only.)

EXCEPT STR-DE335:
Canadian

 


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STR-DE335/SE391/V323

5-7.

SCHEMATIC  DIAGRAM  – MAIN Board (1/4)/REAR AMP Board –

 See page 42 for IC Block Diagrams.

– 25 –

– 26 –

The components identified by
mark 

!

 or dotted line with

mark 

!

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

!

 sont critiques pour la

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

(Page 39)

(Page 39)

(Page 40)

(Page 30)

(Page 27)

(Page

 40)

 


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STR-DE335/SE391/V323

5-8.

SCHEMATIC  DIAGRAM  – MAIN Board (2/4)/SP SW Board –

– 27 –

– 28 –

The components identified by
mark 

!

 or dotted line with

mark 

!

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

!

 sont critiques pour la

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

(Page 26)

(Page 31)

 


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STR-DE335/SE391/V323

– 29 –

– 30 –

5-9.

SCHEMATIC  DIAGRAM  – MAIN Board (3/4) –

 See page 18 for Waveforms.

 See page 41 for IC Block Diagrams.

(Page 39)

(Page 39)

(Page 35)

(Page 26)

(Page 31)

 


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STR-DE335/SE391/V323

– 31 –

– 32 –

5-10. SCHEMATIC  DIAGRAM  – MAIN Board (4/4)/SECONDARY Board/STANDBY Board/PRIMARY Board/VOL SEL Board –

 See page 43 for IC Block Diagram.

The components identified by
mark 

!

 or dotted line with

mark 

!

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

!

 sont critiques pour la

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

(Page 27)

(Page 30)

 


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STR-DE335/SE391/V323

– 35 –

– 36 –

5-12. SCHEMATIC  DIAGRAM  – PANEL Section –

 See page 18 for Waveform.

 See page 43 for IC Block Diagram.

EXCEPT DE335:
MY,SP,AUS/
V323

(DE335:MY

,SP

,AUS/V323)

(DE335:MY

,SP

,AUS/V323)

EXCEPT DE335:
MY,SP,AUS/
V323

The components identified by
mark 

!

 or dotted line with

mark 

!

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

!

 sont critiques pour la

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

(Page 29)

(Page 39)

 


background image

STR-DE335/SE391/V323

– 39 –

– 40 –

5-14. SCHEMATIC  DIAGRAM  – VOLUME Board/TONE Board/VIDEO Board/PHONO Board –

 See page 43 for IC Block Diagram.

The components identified by
mark 

!

 or dotted line with

mark 

!

 are critical for safety.

Replace only with part num-
ber specified.

Les composants identifiés par une
marque 

!

 sont critiques pour la

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

(Page 35)

(Page 29)

(Page 25)

(Page 25)

(Page 29)

(Page 25)

(Page 25)