SONY STR-DE335, STR-SE391, STR-V323 SERVICE MANUAL

STR-DE335/SE391/V323

SERVICE MANUAL

US Model

STR-DE335/SE391

Canadian Model

AEP Model

E Model

Australian Model

STR-DE335

Chinese Model

STR-V323

Photo: STR-DE335 US model

SPECIFICATIONS

Audio power specifications (US model)

Reference power:

STR-SE391

(8 ohms at 20 Hz – 20 kHz,

(8 ohms at 1 kHz,

POWER OUTPUT AND TOTAL HAR-

less than 0.09 % total

THD 0.5 %)

MONIC DISTORTION

harmonic distortion)

Front: 80 W/ch

95 W + 95 W

Center: (Pro Logic mode)

With 8-ohm load, both channels driven,

80 W

from 20a) – 20,000 Hz, rated 100 watts

STR-SE391

Rear: 80 W/ch

per channel minimum RMS power, with

(8 ohms at 40 Hz – 20 kHz,

Reference power:

no more than 0.09 %b) total harmonic

less than 0.5 % total

(8 ohms 20 Hz – 20 kHz,

distortion from 250 milliwatts to rated

harmonic distortion)

less than 0.09 % total

output.

100 W + 100 W

harmonic distortion)

STR-SE391:

Surround mode

STR-DE335/V323

Front: 70 W/ch

a)

40Hz

and 5.1 CH/DVD

US, Canadian models:

Center: (Pro Logic mode)

b)

0.5 %

mode

(8 ohms at 1 kHz, THD

70 W

(Reference)

0.8%)

Rear: 70 W/ch

Amplifier section

Front: 80 W/ch

RMS power:

Power output

Center: (Pro Logic mode)

(8 ohms at 1 kHz,

Stereo mode

STR-DE335/V323

80 W

THD 10 %)

US, Canadian models:

Rear: 80 W/ch

Front: 100 W/ch

(8 ohms at 20 Hz – 20 kHz

AEP model:

Center: (Pro Logic mode)

less than 0.09 % total

(DIN 1 kHz, 4 ohms)

100 W

harmonic distortion)

Front: 70 W/ch

Rear: 100 W/ch

100 W + 100 W

Center: 70 W

Frequency

PHONO: RIAA

AEP model:

(only in PRO LOGIC

response

equalization curve ±0.5 dB

(DIN 1 kHz, 4 ohms)

mode)

(STR-SE391)

80 W + 80 W

Rear: 70 W/ch

TV/SAT (TV/LD), CD,

Malaysia, Singapore,

E, Malaysia, Singapore,

MD/TAPE, VIDEO

Chinese, Australian

Chinese, Australian

5.1 CH/DVD:

models:

models:

10 Hz – 50 kHz ± 1 dB

Rated power:

Rated power: (8 ohms at

(8 ohms at 1 kHz,

1 kHz, THD 0.7 %)

THD 0.7 %)

Front: 80 W/ch

80 W + 80 W

Center: (Pro Logic mode)

Reference power:

80 W

– Continued on next page –

(8 ohms at 20 Hz – 20 kHz,

Rear: 80 W/ch

less than 0.09 % total

harmonic distortion)

70 W + 70 W

FM STEREO/FM-AM RECEIVER

E model:

1kHz, THD 0.7 %)

Rated power: (8 ohms at

100 W + 100 W

MICROFILM

SECTION 5

DIAGRAMS

5-1.

BLOCK DIAGRAM – MAIN Section (1/2) –

(STR-DE335/V323)

J501

J251

VIDEO SELECT SWITCH,

WOOFER

5.1 CH/DVD

VIN3

VIDEO AMP

12

VIDEO

IC251

DOLBY SURROUND

MUTING

J252 (2/2)

PASSIVE DECODER

Q366

TV/SAT

1

VIN1

MUTE

VIDEO

VOUT1

MONITOR

IC301

VIDEO IN

VIN2

AMP

10

VIDEO OUT

3

STR-DE335: US, Canadian,

L

18

FCL-IN

5.1 CH/

Australian

FRONT

LS-OUT

23

VOUT2

DVD

VIDEO

VIDEO

R

19

FCR-IN

MUTE

AMP

5

VIDEO OUT

MUTING

TV/LD

L

20

FCLS-IN

Q363

VIDEO IN

SW2

SW1

MUTE2

MUTE1

STR-DE335: AEP, E, Malaysia,

REAR

RS-OUT

22

Singapore/STR-V323

R

21

FCRS-IN

MUTING

2

13

4

11

Q364

CENTER

J252 (1/2)

IC MUTE

39

LC-INB

VIDEO

S1

S2

DOLBY SURROUND

40

LC-INE

VIDEO IN

OSC

PRO-LOGIC DECODER

41

CR-OT

IC300

42

CR-IN

L-OUT

25

14

FCC-IN1

MUTING

J402 (1/2)

Q361

L

VIDEO

COM

23

9

L-IN

L-OUT

41

11

L-IN

VIDEO

26

AUDIO IN

R

R-CH

R-CH

FUNCTION

R-OUT

40

12

R-IN

R-OUT

24

R-CH

10

R-IN

TV/SAT

SWITCH

MUTING

TV/LD

TV/SAT

L

IC401

S-OUT

39

13

S-IN

25

Q362

AUDIO IN

AUDIO IN

STR-DE335: US, Canadian,

R

R-CH

R-CH

Australian/STR-SE391

C-OUT

38

STR-DE335: AEP, E, Malaysia,

J401 (1/2)

MUTING

MD/TAPE

Q365

Singapore/STR-V323

L

DATA

46

3

DATA

24

MD/TAPE IN

CLK

47

2

CLK

R

R-CH

R-CH

VIDEO

J402 (2/2)

ENABLE

45

4

ENABLE

CD

COM

REC COM

L

REC

L

29

27

20

21

VIDEO

CD IN

AUDIO

R

R-CH

R-CH

R-CH

R-CH

R

OUT

OSC1

DATA

CLK

EN2

TAPE

48

REC

22

L

MD/TAPE

SYSTEM CONTROLLER

J451

PHONO

R-CH

R-CH

R

REC OUT

IC201 (1/2)

L

EQ AMP

30

PHONO

IN

IC402

R-CH

J401 (2/2)

R

R-CH

(STR-DE335/V323)

(STR-SE391)

TUNER

S.DATA

14

DATA

IC MUTE

55

IC.MUTE

SHIFT

S1

28

LEVEL

CPU

S.CLK

CLK

58

S1

REGISTER

15

S2

SHIFT

INTERFACE

S.LAT

EN1

57

S2

ANTENNA

FM/AM TUNER PACK

R-CH

& LATCH

13

FM 75Ω

DATA

10

S.DATA

FM-ANT

L OUT

CLK

9

S.CLK

COAXIAL

EN1

FM-ANT

R OUT

R-CH

12

S.CE (LC7822)

EN2

13

S.CE (LV1018)

GND

DATA

PLL DATA

S.DATA

11

PLL.DATA

CLK

S.CLK

TUNED

AM-ANT

EN1

18

AUTO-STOP

S.LAT

STEREO

PLL DATA

19

STEREO-IN

AM-ANT

DO

SIGNAL

24

SIGNAL

GND

TUNED

TUNER-MUTE

TUNED

45

TUNER-MUTE

STEREO

AM

STEREO

SIGNAL

SIGNAL

TUNER-MUTE

T.MUTE

57 kHz

SC

CIN

CONTANS LOOP

BIPHASE SYMBOL

MUX

OUT

CLOCKED

DIFFERENTIAL

RDDA

4

DECODER

31

RDS DATA IN

DET OUT

BAND-PASS

VARIABLE &

8

7

COMPARATOR

DECODER

2

FILTER

FIXED DIVIDER

RDS DECODER

OSCILLATOR

CLOCK

REGENERATION

IC1

& CLOCK

& SYNC

RDCL

OSCI

OSCO

16

46

RDS CLK IN

13

14

X1

(STR-DE335: AEP)

4.332MHz

05

– 11 –

– 12 –

STR-DE335/SE391/V323

				RV404
				MASTER VOLUME
				WOOFER	A
				–1
				(Page 11)
			LINE AMP	S-LCH	B
			IC302 (1/2)	–4
				(Page 11)
			LINE AMP	S-RCH	C
			IC502	–2
				(Page 11)
RV421	RV422	RV423
BASS	TREBLE	BALANCE
			LINE AMP	LCH	D
–1	–1	–1	IC404 (1/2)	–5
				(Page 11)
			LINE AMP	RCH	E
–2	–2	–2	IC404 (2/2)	–6
				(Page 11)
			LINE AMP	CENTER	F
			IC302 (2/2)	–3
				(Page 11)

54

FUNC.MUTE

VOL UP 43

VOL DOWN 42

X1 34

X2 35

WOOFER-RLY 36 SP-RLY 21 SURR-RLY 22 REAR-RLY 14

PROTECT 16

VOLUME

MOTOR DRIVE

IC202

UP		UP	8
3	MOTOR			M
DOWN		DOWN
	DRIVE
2			7

X201

4.19MHz

	WOOFER-RLY	G
	SP-RLY
		(Page 11)
	SURR-RLY
	REAR-RLY
	PROTECT

∙SIGNAL PATH

:TUNER (FM)

: VIDEO

STR-DE335/SE391/V323

5-2.

BLOCK DIAGRAM – MAIN Section (2/2) –

J741

PHONES

POWER AMP

S701–2–1

S701–2

S701–3

IC701 (1/2)

SPEAKERS A

SPEAKERS A

OFF

ON

ØON øOFF

ØON øOFF

TM701

LCH

IN1

+VOUT1

D

6

PRE

2

FINAL

–1

+

NF1

DRIVER

–VOUT1

(Page 10)

5

DRIVE

3

DRIVER

BIAS

Q703, 704

A

Q701, 702

OVER LOAD

S701–1–1

–

DETECT

Q720

SPEAKERS B

L

BASS BOOST

BASS BOOST

NF

ØON øOFF

OFF

+

FILTER AMP

SWITCH

SPEAKERS FRONT

Q452

Q401

B

IMPEDANCE

ON

ON

POWER AMP

+

–

USE 8 – 16Ω

S701–2–2

IC702 (1/2)

(EXCEPT STR-DE335: AEP)

OFF

ON

OFF

S701–3–1

E

RCH

6

IN1

PRE

+VOUT1

2

FINAL

–2

+

SPEAKERS FRONT

NF1

DRIVER

–VOUT1

(Page 10)

5

DRIVE

3

DRIVER

IMPEDANCE

BIAS

Q753, 754

A

USE 4 – 16Ω

Q751, 752

OVER LOAD

+

S701–1–2

–

DETECT

(STR-DE335: AEP)

RY701

Q770

SPEAKERS B

R

BASS BOOST

BASS BOOST

NF

ØON øOFF

OFF

+

FILTER AMP

SWITCH

SPEAKER PROTECT

BASS

Q402

Q451

B

RELAY DRIVE

ON

ON

H

BOOST

Q710

–

POWER AMP

(Page 13)

OFF

IC701 (2/2)

S701–3–2

B

S-LCH

8

IN2

PRE

+VOUT2

12

FINAL

–1

TM601

DRIVER

(Page 10)

9

NF2

DRIVE

–VOUT2

11

DRIVER

+

BIAS

Q653, 654

Q651, 652

OVER LOAD

+

L

DETECT

–2

–

Q670

NF

POWER AMP

IC501 (1/2)

REAR

SPEAKERS

C

S-RCH

6

IN1

+VOUT1

2

FINAL

–2

IMPEDANCE

NF1

PRE

DRIVER

–VOUT1

USE 8 – 16Ω

(Page 10)

5

DRIVE

3

DRIVER

+

BIAS

Q503, 504

(EXCEPT STR-DE335: AEP)

Q501, 502

OVER LOAD

+

R

DETECT

–

Q520

SPEAKERS

NF

RY551

IMPEDANCE

SPEAKER PROTECT

USE 4 – 16Ω

POWER AMP

RELAY DRIVE

(STR-DE335: AEP)

Q510

IC702 (2/2)

F

CENTER

8

IN2

PRE

DRIVER

+VOUT2

12

FINAL

–1

(Page 10)

9

NF2

DRIVE

–VOUT2

11

DRIVER

+

BIAS

Q603, 604

Q601, 602

OVER LOAD

+

RY601

CENTER

DETECT

SPEAKER PROTECT

–

Q620

RELAY DRIVE

NF

Q610

POWER AMP

+

IC501 (2/2)

D721

A

WOOFER

8

IN2

+VOUT2

12

PRE

DRIVER

PROTECT

S701–4–2

NF2

DRIVE

–VOUT2

(Page 10)

9

11

J253

SWITCH

SPEAKERS A

WOOFER

Q721 – 723

ØON øOFF

AUDIO OUT

D725

D728

NF

D726

D727

ON

D723

RY301

WOOFER SELECT

D203

D312

D311

OFF

∙ SIGNAL PATH

WOOFER-RLY

RELAY DRIVE

WOOFER-RLY,

Q367

PROTECT

REAR-RLY

SURR-RLY

: TUNER (FM)

RLY-SP

REAR-RLY,

SP-RLY,

SURR-RLY,

G

PROTECT

(Page 10)

05

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– 14 –