Dolby Laboratories STAV-3770, 31-3043 service manual Diagram

Page 46

42

TAPE2 IN

TAPE2 OUT

FM/AM

IC101

 

 

 

 

 

 

 

 

 

IC202

 

 

TUNER UN IT

TC9163AN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M62420FP

 

 

 

FUNCTION SW

 

 

 

 

 

 

TP-L3

TP-L4

 

 

 

 

 

 

 

 

 

TONE

 

 

IC151

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

43 FL

3

 

 

 

 

 

 

UPC4570C

 

 

TP-L1

 

 

 

1

2

7

5

7

PHONO

RIAA

 

 

TP-R1

 

 

 

 

 

 

 

 

 

 

 

 

IC206

 

 

 

IC207

 

 

 

IC201

 

 

 

 

 

 

6

5

7

 

 

 

 

 

 

 

38

 

NJM4558LD

 

 

NJM4558LD

CD

 

 

 

CXD2724Q

 

 

 

23

3

1

27

 

LPF fc = 44kHz

 

 

+6dB GAIN

VCR/TAPE

 

 

IC102

 

DSP

 

5

7

 

 

3

1

 

 

TP-L2

 

 

23 FR

19

14

 

 

 

 

 

 

 

 

 

 

NJM4558D-D

TP-R2

 

 

 

 

 

 

 

 

 

LD/DVD

 

BUFFER

 

35

30

 

 

TP-R3

 

 

TP-R4

 

 

 

 

 

 

S

C

 

 

 

 

 

VCR/TAPE

OUT

7.4 BLOCK

VSX-D307

DIAGRAM

 

IC651 NJM4558D-D

DIRECT

 

 

 

DIRECT

 

H.P. AMP.

5

 

 

 

 

 

 

 

15

TP-L5

TP-L6

 

 

 

 

3

 

 

 

 

 

 

 

 

12

13

 

 

 

3

L

 

 

3

1

 

 

12

 

 

 

 

 

 

RY701

 

 

 

IC301

 

 

IC402

 

MASTER VR

Q451

TP-L7

TP-L8

 

 

UPC4570C

PAC007A

 

2

TP-R5

TP-R6

PRE-AMP.

 

POWER AMP.

 

 

1

3

 

 

 

20

R

 

 

5

7

 

 

15

 

 

 

 

 

 

RY701

 

 

 

 

 

 

 

 

IC204

 

 

Q452

TP-R7

 

TP-R8

 

 

 

 

 

 

 

 

 

BU4052BCF

 

 

 

 

 

 

 

DIRECT/STEREO/6ch SW

 

 

 

 

 

 

 

TP-C3

 

TP-C4

 

 

 

 

 

5

7

 

 

 

20

C

 

 

 

 

5

7

 

 

15

RY401

 

IC211

 

IC302

 

 

IC401

 

 

Q401

 

TP-C6

 

NJM4558D-D

 

UPC4570C

 

PAC007A

 

 

 

 

 

TP-S4 LPF fc = 44kHz

TP-S5

PRE-AMP.

 

POWER AMP.

 

 

3

1

 

 

 

3

S

 

 

 

 

3

1

 

 

12

RY401

 

 

 

 

 

 

 

 

 

 

 

Q402

 

 

TP-S7

 

LD/DVD

3

 

+6dB

19

MONITOR OUT

 

 

 

 

 

 

IC801

 

 

 

 

VCR/TAPE

10

 

 

NJM2279D

 

 

 

 

 

 

 

 

VIDEO SW

 

 

 

 

 

 

 

+6dB

5

VCR REC OUT

 

 

7

1

TP-L9

TP-R9

HEADPHONE

SPEAKER A

SPEAKER A

SPEAKER

CENTER

SPEAKER SURROUND

Image 46
Contents 31-3042/31-3043 AUDIO/VIDEO ReceiverKuxji Center and Rear Speaker Parts List Front Speaker Parts ListPassive Subwoofer Parts List Page VSX-D307 Product Safety Notice Safety InformationSafety Precautions Leakage Current CheckAccessories Exploded Views and Parts ListPacking Parts List PackingExterior Section Exterior Section Parts List BBZ30P080FZKFront Panel Section Parts List Front Panel SectionVSX-D307 Schematic Diagram Overall Connection DiagramTrans 2 Assy AWX7071 Trans 1 Assy AWX7070 VSX-D307 Mother Assy 1/3 To FM/AM Tuner Unit 12 a 2/3 3 S Mother 3/3, Connection and Trans 2 Assemblies Connection Assy AWX7060KUXJ,KUXJI AWX7176KCXJIPower Trans 2 AssyFront Assy Speaker Volume DSP Assy 1/2 CN106 CN107 Volume DSP Assy 2/2 PRE-AMP Front Speaker Assy Transformer CordMother Assy PCB Connection DiagramSide a CN203 CN92 CN91 CONNECTION, Trans 2 and Front Assemblies Trans 2 Assy Volume DSP Assy Volume DSP AssyFront SPEAKER, HEADPHONE, Primary and Trans 1 Assemblies List of Whole PCB Assemblies PCB Parts ListParts List for AWX7058 Semiconductors Mother AssyCoils RelayCapacitors Trans 2 Assy Connection AssyComplex Assy Switches Volume DSP AssyFront Assy Front Speaker Assy Primary Assy AdjustmentHeadphone Assy Trans 1 AssyParts CXD2724Q Volume DSP Assy IC201General Information 1 ICXtli AAV7053 Front Assy DisplayFL Tube Bonnet and Front Assy DisassemblyBonnet Front Assy Mother and Connection Assemblies Mother and Connection AssembliesPower Pack Mother Assy IC401 and IC402 At Bottom Side DiagnosisDiagram Mother Assy Volume DSP AssyTest Points for Diagnosis Front Speaker AssyPanel Facilities Panel Facilities and SpecificationsFront Panel DSP indicator DisplayConnecting Devices Assembling the AM loop antenna When attached on a wall, etcAC Outlet Switched 100 W 0.8 a MAX Antenna terminal Input/output plug Speakers terminalRemote Control Unit Tuner operationsSpecifications Phono MMPage Video Section DVD/LD input, at monitor terminal RadioShack Division of Tandy Corporation Fort Worth, Texas

31-3043, STAV-3770 specifications

Dolby Laboratories is renowned for its cutting-edge audio and visual technologies, and the STAV-3770,31-3043 model is a standout example of this legacy. This audio/video receiver is engineered to deliver an immersive home entertainment experience, integrating advanced features that cater to audiophiles and casual viewers alike.

One of the primary highlights of the STAV-3770 is its support for Dolby Atmos, a revolutionary audio technology that brings a three-dimensional sound experience to any environment. This feature allows sound to move fluidly around the listener, creating an enveloping effect that enhances movies, music, and games. Coupled with Dolby TrueHD, the STAV-3770 ensures lossless audio reproduction, providing crystal-clear sound quality that captures every detail.

Equipped with multiple HDMI inputs, the STAV-3770 facilitates seamless connectivity for various devices, including gaming consoles, Blu-ray players, and streaming devices. The inclusion of HDMI 2.1 support allows for features such as 4K at 120Hz passthrough, ensuring that users can enjoy high-resolution content without compromising performance. This level of connectivity is crucial for modern home theaters, where consumers often have multiple devices in use.

In terms of user experience, the STAV-3770 also incorporates a user-friendly interface and intuitive remote control, simplifying operation for users of all technical backgrounds. The on-screen setup guide assists in optimizing speaker placement, ensuring that sound is balanced and immersive.

Another key characteristic is the unit's powerful amplification capabilities. With a significant wattage output, the STAV-3770 delivers robust sound that can fill large rooms without distortion. This is particularly beneficial for larger home theater setups, where consistent audio performance is critical for an enjoyable viewing experience.

The STAV-3770 further extends its versatility with smart home integration, enabling compatibility with various voice assistants. This feature allows users to control their home entertainment systems effortlessly through voice commands, exemplifying modern convenience in technology.

Lastly, energy efficiency is an important aspect of the STAV-3770 design. Dolby Laboratories has implemented technologies that reduce power consumption without sacrificing performance, aligning with eco-friendly practices that many consumers prioritize today.

In summary, the Dolby Laboratories STAV-3770,31-3043 epitomizes the ideal blend of advanced audio technologies, user-friendly features, and efficient performance, making it a premier choice for anyone seeking to enhance their home entertainment experience.