Sony STR-DE845 Sur, Level, Setup, Volume, Jog, Volup, Voldown, 5V Check, Power RY, Sircs, Fl Clk

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• DIGITAL BOARD IC102 MB90553ABPF-G-169-BND (DISPLAY CONTROLLER)

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

 

 

1

EQ

O

EQUALIZER indicator (D123) drive signal output terminal

“L”: on

 

 

 

 

 

2

SUR

O

SURROUND indicator (D122) drive signal output terminal

“L”: on

 

 

 

 

 

3

LEVEL

O

LEVEL indicator (D119) drive signal output terminal

“L”: on

4

NAME

O

NAME indicator (D151) drive signal output terminal “L”: on

5

SETUP

O

SET UP indicator (D152) drive signal output terminal

“L”: on

 

 

 

 

 

 

6

VOLUME

O

VOLUME indicator drive signal output terminal

“L”: on

Not used (open)

 

 

 

 

 

7

MUTING

O

MUTING indicator (D101) drive signal output terminal

“L”: on

 

 

 

 

 

 

8

JOG

O

JOG indicator (D124) drive signal output terminal

“L”: on

 

 

 

 

 

9

VOLUP

O

Motor drive signal (volume up direction) output to the volume motor drive (IC105)

10

VOLDOWN

O

Motor drive signal (volume down direction) output to the volume motor drive (IC105)

11

VSS

—

Ground terminal

 

 

 

 

 

 

 

 

 

 

12

5V CHECK

O

Power check terminal

 

 

 

 

 

 

 

 

 

13

POWER RY

O

Power relay drive signal output terminal “H”: on

 

 

 

 

 

 

 

 

 

14 to 17

NC

—

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

18

SIRCS IN

I

SIRCS input from the remote control receiver (IC101)

 

 

19

SOT0

O

Serial data output to the system controller (IC1201) (rewrite flash memory)

20

SIN0

I

Serial data input from the system controller (IC1201) (rewrite flash memory)

21

FL CLK

O

Clock signal output to the fluorescent display tube

 

 

 

 

 

 

 

 

 

 

22

FL DATA

O

Serial data output to the fluorescent display tube

 

 

 

 

 

 

 

 

 

 

23

VCC

—

Power supply terminal (+5V)

 

 

 

 

 

 

 

 

 

24

FL LAT

O

Latch signal output to the FL display driver (IC103)

 

 

 

 

 

 

 

 

25

FL CLEAR

O

Clear signal output to the FL display driver (IC103)

 

 

26

OSD CLK

O

OSD clock signal output to the select switch (IC2004) (used for STR-DE945 only)

27

C

—

External power regulator capacitor is connected to this terminal

 

 

 

 

28

OSD DOUT

O

OSD serial data output to the select switch (IC2004) (used for STR-DE945 only)

 

 

 

 

 

 

 

29 to 33

NC

—

Not used (fixed at “L”)

 

 

 

 

 

 

 

 

 

 

34

AVCC

—

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

 

 

 

 

 

 

 

 

 

 

35

AVRH

—

Connected to power supply

 

 

 

36

AVRL

—

Connected to ground

 

 

 

37

AVSS

—

Ground terminal (analog system)

 

 

 

 

 

 

 

 

 

 

38

AD KEY IN 1

I

Key input terminal (A/D input) (S111 to 118)

 

 

 

 

 

 

 

 

 

 

39

AD KEY IN 2

I

Key input terminal (A/D input) (S121 to 125)

 

 

 

 

 

 

 

 

 

 

40

AD KEY IN 3

I

Key input terminal (A/D input) (S131 to 137)

 

 

 

 

 

 

 

 

 

 

41

AD KEY IN 4

I

Key input terminal (A/D input) (S141 to 149)

 

 

 

42

VSS

—

Ground terminal

 

 

 

43

AD KEY IN 5

I

Key input terminal (A/D input) (S151 to 157)

 

 

 

 

 

 

 

 

 

 

44

AD KEY IN 6

I

Key input terminal (A/D input) (S161 to 165)

 

 

 

 

 

 

 

 

 

 

45

AD KEY IN 7

I

Key input terminal Not used (fixed at “L”)

 

 

 

 

 

 

 

 

46

RDS SIGNAL

I

RDS control signal input terminal Not used (fixed at “L”)

 

 

 

 

 

 

 

 

47

STOP

I

Stop signal input from the power control (IC1206)

 

 

 

48

NC

—

Not used (fixed at “L”)

 

 

 

49

MD0

I

MD 0 signal input from the system controller (IC1201)

 

 

50

MD1

I

MD 1 signal input terminal (fixed at “H” in this set)

 

 

 

 

 

 

 

 

51

MD2

I

MD 2 signal input from the system controller (IC1201)

 

 

 

 

 

 

 

52

HSTX

I

Hardware standby signal input to the power control (IC1206)

 

 

 

 

 

 

 

 

54

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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 Signal Path Section DiagramsBlock Diagram Main /2 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 DIN0 ErrorDisel DIN1CKSEL0 DOSEL0DOSEL1 CKSEL1VCC SclkDsig SIN0Stereo RY-POWERSdata StopDIG-INB Xhdrd VSS3ECJ0, ECJ1 VSS4VSS1 ClkiClko VDD0Bclk SdosI2C SDT1Power RY SetupVolume RDS SignalRDS Clock ResetPOWER-KEY OSD VsyncUS, CND, E, AUS, PX FL101 1-517-781-21 INDICATOR, FluorescentSection Exploded Views Except MY, SP, CH59 60 #1 52 #155 #1 62 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 CONNECTOR, FFC 15P CNS2 PIN, Connector 7P CNP7PIN, Connector 12P CNS1 CONNECTOR, FFC 21P CNS6TC74VHC14F EL TC74VHC367FT ELShort Vibrator Digital DisplayMetal Oxide Display BOARD, CompleteLED SEL5821A-TP15 Level Multi Channel DecodingDigital Cinema Sound LEDDescription Remark Main Ref. No Description Remark C352 128-809-11 Transistor BN1F4M-TP COIL, AIR-CORETransistor BA1F4M-TP Transistor 2SB1647 DE945Transistor 2SC2785TP-FEK Description Remark R403 249-417-11 Main Muting OSD CONNECTOR, FFC 7P PIN, Connector 4P TrimmerFerrite BEAD/FILTER JACK, PIN 2P SUB Woofer OSD OSD Joint H Power Rotary VideoSP Board Capacitor Terminal Board Speaker 6PJack TV/SAT TERMINAL, S MoniterJack DVD/LD 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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