Sony STR-DE845 Sclk, Dsig, Vcc, SIN0, SOT0, Xhdwr, Sod, Xhdcs, HA0, Xrst, Hrdy, Cclk, Cdti, Vss

Page 48

• DIGITAL BOARD IC1201 MB90573PFV-G-296-BND (SYSTEM CONTROLLER)

Pin No.

Pin Name

I/O

Description

 

 

 

 

1

SCLK

O

Serial clock signal output to the dolby digital audio decoder (IC1301)

 

 

 

 

2

SI

I

Serial data input from the dolby digital audio decoder (IC1301)

 

 

 

 

3

SO

O

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

4

CS

O

Chip select signal output to the dolby digital audio decoder (IC1301)

5

IC

O

Reset signal output to the dolby digital audio decoder (IC1301)

 

 

 

 

6

DSIG

I

Data detect signal input from the digital audio interface receiver (IC1101)

 

 

 

 

7

NC

O

Not used (fixed at “L”)

 

 

 

 

8

VCC

—

Power supply terminal (+5V)

 

 

 

 

9

SIN0

I

UART signal input from the display controller (IC102)

10

SOT0

O

UART signal output to the display controller (IC102)

11, 12

NC

O

Not used (fixed at “L”)

 

 

 

 

13

XHDWR

O

Data write output to the audio DSP (IC1401)

 

 

 

 

14

XHDRD

O

Data read output terminal Not used (fixed at “L”)

 

 

 

 

15

SOD

I

Serial data input from the audio DSP (IC1401)

 

 

 

 

16

XHDCS

O

Chip select signal output to the audio DSP (IC1401)

17 to 24

HD7 to HD0

O

Two-way data bus with the audio DSP (IC1401)

25

HA0

O

Address data output to the audio DSP (IC1401)

26

XRST

O

Reset signal output to the audio DSP (IC1401)

 

 

 

 

27

HRDY

O

Ready signal output to the audio DSP (IC1401)

 

 

 

 

28

CS

O

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

 

 

 

 

29

CCLK

O

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

 

 

 

 

30

CDTI

I

Data input from the A/D, D/A converter (IC1503)

31

SMUTE

O

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

32

PD

O

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

 

 

 

 

33

VSS

—

Ground terminal

 

 

 

 

34

C

—

External power regulator capacitor is connected terminal

 

 

 

 

35

96kHz

O

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

 

 

 

 

36, 37

NC

I

Not used (fixed at “L”)

38

DVCC

—

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

39

DVSS

—

Ground terminal (digital system)

 

 

 

 

40, 41

NC

O

Not used (fixed at “L”)

 

 

 

 

42

AVCC

—

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

 

 

 

 

43

AVR+

—

Power supply terminal (+5V)

 

 

 

 

44

AVR–

—

Ground terminal

45

AVSS

—

Ground terminal (analog system)

46

EVSTB

O

Serial strobe output to the select switch circuit

 

 

 

 

47

EVDATA

O

Serial data output to the select switch circuit

 

 

 

 

48

EVCLK

O

Serial clock output to the select switch circuit

 

 

 

 

49

DISPMR

I

Display master request signal input from the display controller (IC102)

 

 

 

 

50

DISPDATA

I

Display master data input from the display controller (IC102)

51

SLVDTA/REQ

O

Slave data/request output to the display controller (IC102)

52

DISPCLK

I

Display master clock input from the display controller (IC102)

53

NC

I

Not used (fixed at “L”)

 

 

 

 

54

VCC

—

Power supply terminal (+5V)

 

 

 

 

55

SLAT

O

Tuner latch signal output to the FM/AM tuner unit (TM301)

 

 

 

 

48

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Contents STR-DE845/DE945 Flexible Circuit Board Repairing Exploded Views Electrical Parts List ROTARY/VIDEO 3DE945/VOLSection General Location of controlsModel Setting a voltage selector AC OutletSection Disassembly VIDEO/OSD/JOINT 1 H/OSD Joint H VIDEO/DIGITAL Board VOL BOARD, Main Board Test Mode Memo Section Diagrams Block Diagram Main /2Signal Path DVDVideo Input TV/SAT DVD/LD Monitor Video Select Block Diagram DISPLAY/POWER Supply Section BufferPhono CNDPIN Function STR-DE845/DE945 Components identified by mark 0or dotted Semiconductor Location STR-DE845/DE945 Video Board STR-DE845/DE945 OSD Joint H Board STR-DE845/DE945 STR-DE845/DE945 STR-DE845/DE945 STR-DE845/DE945 STR-DE845/DE945 CNP107 PIN Function 40 Page 36 STR-DE845/DE945 STR-DE845/DE945 Schematic Diagram Main Board 3/3 STR-DE845/DE945 STR-DE845/DE945 STR-DE845/DE945 STR-DE845/DE945 Board DC 1 Board Schematic Diagram DC 1/DC 2 Boards Ref. No Location D901 D902 D903 D904 D905 D906 D907 Q901 Schematic Diagram AC/SP Boards Waveforms Display Board Digital Board OSD Board DE945 IC414-416 TC9299P Main Board IC1206 NJM2103M-TE2 Digital Board IC1403 TC74VHC367FT EL Digital Board Error DiselDIN0 DIN1DOSEL0 DOSEL1CKSEL0 CKSEL1Sclk DsigVCC SIN0RY-POWER SdataStereo StopDIG-INB VSS3 ECJ0, ECJ1Xhdrd VSS4Clki ClkoVSS1 VDD0Sdos I2CBclk SDT1Setup VolumePower RY RDS SignalReset POWER-KEYRDS Clock OSD VsyncFL101 1-517-781-21 INDICATOR, Fluorescent Section Exploded ViewsUS, CND, E, AUS, PX Except MY, SP, CH52 #1 55 #1 6259 60 #1 65 A-4428-787-A Digital BOARD, CompleteChassis Section Electrical Parts List AU SW AU SW Bias C Bias L Bias LS Bias R Bias RS Digital PIN, Connector 7P CNP7 PIN, Connector 12P CNS1CONNECTOR, FFC 15P CNS2 CONNECTOR, FFC 21P CNS6TC74VHC14F EL TC74VHC367FT ELShort Digital Display Metal OxideVibrator Display BOARD, CompleteMulti Channel Decoding Digital Cinema SoundLED SEL5821A-TP15 Level LEDDescription Remark Main Ref. No Description Remark C352 128-809-11 COIL, AIR-CORE Transistor BA1F4M-TPTransistor BN1F4M-TP Transistor 2SB1647 DE945Transistor 2SC2785TP-FEK Description Remark R403 249-417-11 Main Muting OSD CONNECTOR, FFC 7P PIN, Connector 4P TrimmerFerrite BEAD/FILTER OSD OSD Joint H Power Rotary Video SP Board CapacitorJACK, PIN 2P SUB Woofer Terminal Board Speaker 6PTERMINAL, S Moniter Jack DVD/LDJack TV/SAT Transistor BA1A4M-TPSwitch VOL Hardware List

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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