IC1402 IDT71V016S15PH-AUTL (DIGITAL Board)

 

 

 

ROW/COLUMN

 

44

A5

A4

1

 

 

43 A6

A3

2

 

DECODER

 

42

A7

 

 

 

A2

3

 

 

OUTPUT ENABLE

 

 

A1

4

 

 

41

OE

 

 

BUFFER

A0

5

 

 

 

 

 

64K x 16

 

 

 

 

 

 

BYTE ENABLE

40

BHE

 

 

CHIP ENABLE

MEMORY

CS

6

BUFFER

39

BLE

BUFFER

ARRAY

 

 

 

38

I/O 15

 

 

 

 

 

I/O 0

7

 

 

 

37

I/O 14

I/O 1

8

 

 

 

36

I/O 13

I/O 2

9

 

 

 

35

I/O 12

I/O 3

10

 

 

 

34

VSS

VDD 11

 

 

 

33

VDD

VSS

12

 

 

 

32

I/O 11

I/O 4

13

 

 

 

31

I/O 10

I/O 5

14

LOW

SENSE AMP

HIGH

30

I/O 9

I/O 6

15

29

I/O 8

BYTE

&

BYTE

I/O 7

16

28

NC

I/O

WRITE

I/O

 

 

BUFFER

PRIVER

BUFFER

27

A8

WE

17

WRITE ENABLE

 

 

26

A9

BUFFER

 

 

 

 

 

 

25

A10

 

 

 

 

 

A15

18

 

 

 

24

A11

A14

19

 

 

 

23

NC

A13

20

 

 

 

 

 

A12

21

 

 

 

 

 

NC 22

 

 

 

 

 

IC1403 TC74VHC367FT (EL) (DIGITAL Board)

G1

1

16

VCC

 

 

1A

2

15

G2

14

6A

 

 

1Y

3

13

6Y

2A

4

12

5A

 

 

2Y

5

11

5Y

3A

6

10

4A

 

 

3Y

7

9

4Y

GND

8

IC2002 BA7622 (OSD Board (DE945))

 

 

75OHM

 

 

GND

1

DRIVER

8

OUT1

 

 

 

75OHM

 

 

IN1

2

DRIVER

7

OUT2

 

 

 

75OHM

 

 

IN2

3

DRIVER

6

OUT3

 

IN3

4

 

5

VCC

IC1503 AK4527 (DIGITAL Board)

 

 

LOOP1

LOOP0/SDA/CDTI DIF1/SCL/CCLK DIF0/CSN P/SN MCLK

DZF1 AVSS AVDD VREFH

VCOM

 

 

 

 

44 43 42 41 40 39 38 37 36 35 34

 

 

 

 

 

 

 

 

33 DZF2

 

 

 

 

 

 

32 RIN+

SDOS

1

 

 

 

INPUT

31 RIN–

 

 

 

CIRCUIT

30

LIN+

I2C

2

 

 

 

 

 

 

 

29 LIN–

SMUTE

3

 

 

 

 

 

 

 

 

28

ROUT1

BICK

4

 

 

 

 

 

 

 

 

27

LOUT1

LRCK

5

 

 

 

 

 

 

AUDIO

OUTPUT

26

ROUT2

SDTI1

6

 

 

 

INTERFACE

CIRCUIT

25

LOUT2

SDTI2

7

 

 

 

 

 

24

ROUT3

SDTI3

8

 

 

 

 

 

 

 

 

23

LOUT3

 

 

 

 

 

 

SDTO

9

 

 

 

 

 

 

DAUX

10

FORMAT

 

 

 

 

CONVERTER

 

 

 

 

DFS 11

 

 

 

 

 

 

 

 

 

 

 

 

 

12 13 14 15 16 17 18 19 20 21 22

 

 

 

 

 

DEM1 DEM0 TVDD DVDD DVSS

PDN ICKS2 ICKS1 ICKS0

CAD1 CAD0

 

 

IC2006, 2008 LA7213 (OSD Board (DE945))

SYNC

 

V-SYNC

 

SEP

 

SEP

 

1

2

3

4

5

V IN

HD

VSS

VD

VDD

45

Page 45
Image 45
Sony STR-DE845 service manual IC1403 TC74VHC367FT EL Digital Board

STR-DE845 specifications

The Sony STR-DE845 is a vintage yet impressive 5.1-channel surround sound receiver that has captivated audio enthusiasts since its release. As part of Sony's esteemed line of home audio equipment, this model exemplifies a combination of classic design, robust build quality, and advanced features that enhance the listening experience.

One of the standout features of the STR-DE845 is its power output, capable of delivering 100 watts per channel at 8 ohms. This ample power ensures that your audio experience remains vibrant and dynamic, whether you’re enjoying music or watching movies. The receiver supports a range of speaker configurations, making it versatile enough to accommodate various home theater setups.

Another key characteristic of the STR-DE845 is its compatibility with Dolby Pro Logic and DTS surround sound formats. These technologies bring a cinematic experience into the home, allowing sound to envelop listeners from all directions. The receiver's ability to decode these formats enhances the clarity and immersion of soundtracks, providing an impressive auditory experience.

The STR-DE845 boasts a wide array of connectivity options, including multiple analog and digital inputs, which allow you to connect various audio sources such as CD players, VCRs, and gaming consoles. The inclusion of an AM/FM tuner also opens up the possibility for listening to local radio stations. For convenience, the receiver includes a remote control, enabling users to adjust settings and change inputs from a distance.

In terms of audio processing, the STR-DE845 features Advanced Digital Sound Field Processing (DSFP), which allows users to customize their listening experience based on room acoustics and personal preferences. This technology helps replicate the ambiance of live music venues and movie theaters, delivering an optimized sound experience regardless of the room's characteristics.

The design of the STR-DE845 is another highlight. With a sleek black finish and intuitive layout, this receiver fits seamlessly into any home entertainment setup. The front panel features a clear display, and the user-friendly interface makes navigating settings and configurations straightforward.

Moreover, the receiver's durability is noteworthy. Built with quality components, the STR-DE845 is designed to withstand the test of time, making it a dependable option for audiophiles and casual listeners alike.

In conclusion, the Sony STR-DE845 is a feature-packed surround sound receiver that combines quality, functionality, and a user-friendly experience. With its powerful output, advanced surround sound technologies, and versatility in connectivity, it remains a respectable choice for those looking to elevate their audio and home theater systems.