Sony Ericsson STR-DE375 specifications Block Diagram, Tuner Unit

Page 9

3-2. BLOCK DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER AMP

 

 

 

 

 

 

 

 

 

 

 

 

IC701

 

 

 

 

 

 

 

 

 

 

 

 

+V OUT1

2

BOOSTER

 

 

 

 

 

 

 

 

 

 

Q703

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TUNER UNIT

 

 

AUDIO SELECT

 

 

 

 

 

LIMITER

 

 

 

 

 

 

 

 

 

 

 

Q701

 

 

 

 

 

 

IC201

 

 

 

 

 

 

 

 

 

L OUT

 

66

IN F2 L CH OUT

49

6

IN1

NF1

5

 

 

 

 

FM

FM

R-CH

71

IN A2

 

MUTE

 

 

 

LIMITER

OVER LOAD

Q707

D706

 

R OUT

 

 

 

 

 

 

 

 

 

 

 

Q361

 

 

 

Q702

DETECT

 

 

AM

AM DET OUT

 

61

REC OUT 2A

 

 

 

 

Q708,709

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOOSTER

CURRENT

 

 

 

 

 

 

 

 

 

-V OUT1

3

 

 

 

 

PLL DATA

 

 

 

 

DETECT

 

 

 

DATA OUT

70

IN B2

 

 

Q704

 

 

 

S DATA

 

 

 

 

 

Q705,706

 

 

 

S DATA

 

 

 

 

 

 

 

 

 

 

 

 

S CLK

61

REC OUT 2B

 

 

 

 

 

 

 

 

 

 

S CLK

 

 

 

 

 

 

 

 

 

 

S CE

 

 

 

 

 

 

 

 

 

 

 

 

SLAT

63

IN G2

 

 

 

 

 

BOOSTER

 

 

 

 

 

 

 

+V OUT2

12

 

 

 

 

 

R-CH

J200

 

 

 

 

 

RY791

PHONES

 

 

 

 

RELAY

 

 

 

DRIVE

 

 

 

Q791

 

 

 

 

 

TM602

 

 

RY710

L

D731

 

SPEAKERS

RELAY

R-CH

FRONT

 

DRIVE

R

 

Q730

 

 

STR-DE375

SIGNAL

SIGNAL

27 SW CH N IN

Q653

 

STEREO

LIMITER

STEREO

 

AUTO STOP

 

Q651

TUNED

 

 

 

T MUTE

 

 

T MUTE

SL CH OUT 43

8 IN2 NF2 9

 

TM601

R-CH SR

SL

RY610

SPEAKERS SURROUND

 

J401,402

 

MUTE

 

LIMITER

 

OVER LOAD

Q659

D606

 

 

 

 

DETECT

 

 

 

 

 

Q362

 

Q652

 

 

 

CD IN

 

 

 

 

Q657,658

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOOSTER

CURRENT

 

 

 

 

 

-V OUT1

11

 

D506

 

 

 

 

 

DETECT

 

 

 

 

 

Q654

 

MD/TAPE OUT

 

 

 

 

 

Q655,656

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER AMP

 

 

 

 

 

 

MD/TAPE IN

 

 

IC501

 

 

 

 

 

 

 

 

 

 

 

BOOSTER

 

 

 

 

60

SEL OUT2

+V OUT

6

 

 

 

 

 

 

Q503

 

 

 

VIDEO/AUDIO OUT

59

D OUT2

 

 

 

 

 

 

 

 

LIMITER

 

 

 

 

 

 

 

 

 

 

 

 

 

VIDEO/AUDIO IN

 

 

 

 

Q501

 

 

 

 

 

 

 

 

 

 

 

 

 

DOLBY

C CH OUT

37

1 IN+ IN- 2

 

 

 

SURROUND PROCESSOR

 

 

 

D735

RELAY

C

 

 

DRIVE

SPEAKERS

 

Q610

 

CENTER

RY510

 

J501

 

IC202

 

 

 

 

MUTE

LIMITER

OVER LOAD

 

 

 

 

 

 

DETECT

 

 

 

 

 

 

 

 

 

Q363

Q502

SUB

 

61

RT IN

L OUT

16

 

58

T IN2

Q507,509

 

 

 

 

WOOFER

 

 

 

BOOSTER

CURRENT

 

 

 

 

 

 

 

 

-V OUT 5

 

 

 

 

 

 

 

 

 

DETECT

 

 

 

 

 

 

 

 

 

Q504

FRONT

 

34

FC R IN

SR OUT

18

 

44

SL CH N IN

 

Q505,506

 

 

 

 

 

 

 

 

 

DVD/

 

 

 

 

 

 

45

SL CH D IN

 

 

D721

MULTI CH

 

 

 

 

 

 

 

 

 

32 FC SR IN

C OUT

10

 

38

C CH N IN

 

 

 

SURROUND

 

 

 

 

 

 

 

 

 

 

 

 

39 C CH D IN

 

 

PROTECT

CENTER

 

62

FC C IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

Q722,723,725

 

DATA

 

 

 

 

 

 

 

 

3

IC401

 

52

DATA

 

 

 

 

SW CH OUT 28

 

1

 

CLK

 

 

DATA

 

 

 

 

 

53

CLK

 

 

32

DATA

 

 

 

 

 

 

 

CLOCK

MUTE

 

 

 

 

51

ENABLE

 

 

31

CLOCK

 

 

 

 

 

 

S CE

Q364

 

 

 

 

 

 

 

 

33

LATCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AEP,UK MODELS

 

 

 

 

 

 

 

 

 

 

D734

RELAY

 

DRIVE

 

Q550

D736

RY470

RELAY

DRIVE

Q470

J403

SUB WOOFER

AUDIO OUT

• RCH is omitted due to same as LCH.

 

 

• Signal Path

RDS

2

4

IC1

16

: FM

 

13

 

14

 

: CD

 

 

 

X1

 

4.33MHz

 

SIGNAL

STEREO

AUTO STOP

T MUTE

PLL DATA

S DATA

S CLK

S CE

 

 

 

DATA

CLOCK

S CE

 

 

 

 

 

 

 

 

28

23

21

22

24

19

18

20

38

15

17

7

8

9

59

47

54

53

51

52

55

61

SIGNAL

STEREO IN

AUTO STOP

T MUTE

PLL DATA

S DATA

S CLK

S CE

RDS CLK IN

RDS DATA

S CE

S DATA

S CLK

S CE

FUNC MUTE

PROTECT

H/P RY

FRONT RY

REAR RY

CTR RY

WOOFER RY

HP SW

SYSTEM CONTROL

IC103

 

IC203

D202

SIRCS 26

REMOTE

1 CONTROL

2

 

RECEIVER

 

VDD 1

 

 

VDD 16

 

 

VDD 34

 

D201

VDD 46

 

 

 

POWER AMP

 

-B SW

 

D802

T901

 

 

240V

-B

 

Q715

POWER AMP

 

220V

 

 

 

 

 

 

 

 

120V

 

 

 

+B

 

 

 

 

 

 

0V

FL201

 

-24V REG

 

 

 

-24V

 

Q801

 

 

 

 

 

IC801

D824

 

 

POWER AMP

 

+12V

D820-823

 

3

1

 

+12V

REG

 

 

 

 

 

 

RELAY

 

 

 

 

 

+B

 

IC805

 

 

 

 

 

 

 

 

DOLBY SURR

3

+9V

1

 

 

+9V

REG

 

 

 

 

 

 

 

 

IC803

 

 

F1

DISPLAY

 

+5V

 

 

3

1

 

 

+5V(A)

REG

 

 

 

 

 

F2

 

 

IC804

 

 

TUNER,RDS

 

 

 

 

 

+5V

 

 

 

AUDIO

3

1

 

 

REG

 

 

+5V(B)

 

 

 

 

 

 

IC807

 

 

 

AUDIO

3

+7V

1

 

 

+7V

REG

 

 

 

 

 

 

 

 

IC802

 

 

 

AUDIO

3

-7V

2

 

 

-7V

REG

 

 

 

 

 

 

 

 

 

+5.6V REG

 

 

 

 

 

Q951

 

 

 

E MODEL

 

 

VOLTAGE

 

SELECTOR

S901

X1

X2

SETUP LED

NAME LED

LEVEL LED

SURR LED

S FIELD LED

12

11

63

64

65

66

68

X201

5.00MHz

LED DRIVE

Q210-213,215

D210-213,D215

A/D1

A/D4

ENCODER

ENCODER

SYS POWER

33

30

50

49

56

FUNCTION

3

1

 

ENCODER

 

KEY

 

 

 

 

S202-229,231-236

RV201

 

 

 

MASTER

S200

 

 

VOLUME

?/1

 

 

 

 

 

 

 

 

SYSTEM

 

 

 

 

POWER

DIG1-10

S1-S15

100 91

90 80 . 78 75

F1

F2

FLUORESCENT

INDICATOR TUBE

FL201

POWER RY

48

RESET 10

STOP 39

RESET

Q201,202

3

D910-913

T902

 

 

POWER

 

 

8 CONTROL 5

 

 

IC950

 

 

6

 

 

 

D914

D915

 

 

RY901

 

RELAY

 

 

DRIVE

 

 

Q901

 

AC

IN

CNP901

99

Image 9
Contents STR-DE375 SpecificationsModel Identification STR-DE375Table of Contents Safety CHECK-OUTDiagrams LeakageFront Panel STR-DE375 Section GeneralRear Panel STR-DE375 Section Test Mode Circuit Boards Location STR-DE375 Section DiagramsFor schematic diagrams Tuner Unit Block DiagramIC1 Printed Wiring Board Main SectionSchematic Diagram Main /3 1212 1313 Location Printed Wiring Board Panel SectionSchematic Diagram Panel Section Printed Wiring Board Power Section Schematic Diagram Power Section IC1 BU1924 Main Baord IC Block DiagramsPin No Pin Name Description Front Panel Section Section Exploded ViewsChassis Section STR-DE375 Section Display Electrical Parts List SWITCH, Tactile Video ENCODER, Rotary Master Volume SwitchSWITCH, Tactile CD STR-DE375 DisplaySTR-DE375 Display Headphone Main Mylar STR-DE375 MainEarth PLUG, Connector 6PTransistor 2SC2785TP-HFE Transistor 2SC3576-ACTransistor 2SA1115TP-EF Transistor 2SC3623ATP-LKEncapsulated Component R616 1-234-182-11 Encapsulated ComponentR666 1-234-182-11 Encapsulated Component Metal Oxide Carbon AEP,UKMetal Oxide AEP,UK CND,E,SP,MY,ARSTR-DE375 Main Power Switch Secondary Stand by STR-DE375 Stand by VOL-SEL STR-DE375 Revision History

STR-DE375 specifications

The Sony Ericsson STR-DE375 is a versatile and innovative audio receiver designed to deliver superior sound quality and an array of features tailored for home theater and audio enthusiasts. Launched in the early 2000s, this receiver was well-regarded for its robust construction, advanced technology, and user-friendly interface.

One of the standout features of the STR-DE375 is its powerful amplification capabilities. With a total power output of 100 watts per channel, this receiver can easily support multiple speakers, providing users with a dynamic and immersive sound experience. The receiver supports a wide range of audio formats, including Dolby Pro Logic, which enhances the surround sound experience, allowing users to enjoy movies and music with incredible clarity and depth.

In terms of connectivity, the STR-DE375 is equipped with multiple audio and video inputs, making it easy to integrate with other home entertainment devices. It features several analog and digital inputs, allowing people to connect DVD players, gaming consoles, and other multimedia devices effortlessly. The inclusion of a 5.1-channel output ensures that users can create a full surround sound setup to fully enjoy their audio and video content.

Additionally, the receiver comes with a built-in tuner that provides users with access to AM/FM radio stations. The digital display makes it simple to tune into favorite stations or browse through available frequencies. This built-in feature adds versatility for users, offering not only high-quality audio playback from external devices but also a robust radio experience.

The STR-DE375 also prioritizes user convenience with a remote control, making it easy to adjust settings, switch inputs, or change volume from across the room. The intuitive layout of controls simplifies navigation, ensuring that even those who are not tech-savvy can enjoy its vast functionality.

Moreover, the receiver is designed with energy efficiency in mind, conforming to standards that reduce power consumption without compromising performance.

In summary, the Sony Ericsson STR-DE375 is a high-quality audio receiver that provides excellent sound performance, ample connectivity options, and user-friendly features. Its blend of technological sophistication and practical design makes it a solid choice for both casual listeners and dedicated audio enthusiasts who seek to enhance their home entertainment experience.