4-32. IC PIN FUNCTION DESCRIPTION

• DIGITAL BOARD IC1101 LC89055W-RA8 (AUDIO INTERFACE RECEIVER)

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

1

DISEL

I

Input data select terminal (fixed at “L” in this set)

 

 

 

 

2

DOUT

O

EIAJ data and parity output terminal Not used

 

 

 

 

3

DIN0

I

Amp integrate data input from the select switch (IC1005)

4

DIN1

O

Amp integrate data input terminal

Not used (fixed at “L”)

5

DIN2

I

Amp integrate data input terminal

Not used (fixed at “L”)

6

DGND

—

Ground terminal (digital system)

 

 

 

 

 

 

 

7

DVDD

—

Power supply terminal (+5V) (digital system)

 

 

 

 

 

8

R

I

Input terminal for VCO generator band adjustment

 

 

 

 

9

VIN

I

Input terminal for VCO self running frequency set

 

 

 

 

10

LPF

O

External LPF for PLL is connected to this terminal

11

AVDD

—

Power supply terminal (+5V) (analog system)

 

12

AGND

—

Ground terminal (analog system)

 

 

 

 

 

 

13

CK OUT

O

Clock signal output to the A/D, D/A converter (IC1503)

 

 

 

 

14

BCK

O

Bit clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder

(IC1301), and audio DSP (IC1401)

 

 

 

 

 

 

 

 

 

 

 

15

LRCK

O

Clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder

(IC1301), and audio DSP (IC1401)

 

 

 

 

 

 

 

 

 

 

 

16

DATAO

O

Audio data output to the dolby digital audio decoder (IC1301)

17

XSTATE

O

Clock status flag output to the system controller (IC1201)

18

DGND

—

Ground terminal (digital system)

 

 

 

 

 

 

 

19

DVDD

—

Power supply terminal (+5V) (digital system)

 

 

 

 

 

 

 

20

XMCK

O

Not used (open)

 

 

 

 

 

 

 

21

XOUT

O

Clock output terminal Not used (open)

 

 

 

 

 

 

22

XIN

I

Clock input from the clock oscillator (IC1404)

(12.288MHz)

23

EMPHA

O

Emphasis monitor output terminal

“H”: on

Not used

24

AUDIO

O

Terminal for check

 

 

 

 

 

 

 

 

25

CSFLAG

O

Not used (open)

 

 

26

F0/P0/C0

O

Terminal for check

 

 

 

 

 

 

 

 

27

F1/P1/C1

O

Terminal for check

 

 

 

 

 

 

 

 

28

F2/P2/C2

O

Terminal for check

 

 

29

F3/P3/C3

O

Terminal for check

 

 

30

DVDD

—

Power supply terminal (+5V) (digital system)

 

 

 

 

 

 

 

31

DGND

—

Ground terminal (digital system)

 

 

 

 

 

 

 

 

32

AUTO

O

Not used (open)

 

 

 

 

 

 

 

 

33

BPSYNC

O

Not used (open)

 

 

 

 

 

 

34

ERROR

O

Error mute output to the system controller (IC1201)

35

DO

O

C-bit output to the system controller (IC1201)

 

36

DI

I

Data input from the system controller (IC1201)

37

CE

I

Chip enable signal input from the system controller (IC1201)

 

 

 

 

38

CLK

I

Clock signal input from the system controller (IC1201)

 

 

 

 

 

39

XSEL

I

Clock select terminal (fixed at “H” in this set)

 

 

 

 

 

 

40

MODE0

I

Mode 0 input terminal (fixed at “L” in this set)

 

 

 

 

 

 

41

MODE1

I

Mode 1 input terminal (fixed at “L” in this set)

 

42

DGND

—

Ground terminal (digital system)

 

 

43

DVDD

—

Power supply terminal (+5V) (digital system)

 

 

 

 

 

 

 

46

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Image 46
Sony STR-DE845 Disel, DIN0, DIN1, DIN2, Dvdd, Vin, Lpf, Avdd, Bck, Lrck, Xstate, Xin, Csflag, Bpsync, Error, Clk, Xsel
Page 45 Page 47

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.
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