Dolby Laboratories 31-3043, STAV-3770 service manual CN106 CN107

Page 23

 

5

 

 

6

7

 

8

 

 

 

 

 

 

 

VSX-D307

 

 

 

 

MTZJ9.1B

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

IC207:

 

 

 

 

 

 

 

 

6dB AMP

 

 

 

 

 

IC202:

 

 

 

 

 

 

 

 

TONE CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

E 2/2

 

 

 

 

 

 

 

 

E 2/2

 

 

 

 

 

 

E 2/2

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

: AUDIO SIGNAL ROUTE

 

 

 

 

 

 

 

 

(C)

 

 

 

 

(C)

(C)

 

 

: AUDIO SIGNAL ROUTE (CENTER)

 

 

 

 

 

(C)

(C)

(S)

 

 

 

 

 

 

: AUDIO SIGNAL ROUTE (SURROUND)

 

 

 

 

 

 

 

 

 

 

 

 

 

E 2/2

(HP)

 

 

 

 

 

 

 

: AUDIO SIGNAL ROUTE (HEADPHONE)

 

 

 

 

 

(S)

(S)

 

 

 

 

 

(S)

(S)

 

E 2/2

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

 

IC211:

 

 

 

 

 

 

 

 

44kHz L.P.F. & AMP

 

 

 

 

 

 

 

 

 

 

 

E 2/2

 

 

E 2/2

 

(S)

 

 

 

 

 

 

 

 

E 2/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(C)

 

 

 

 

 

 

 

 

 

 

(HP)

 

 

 

–5V

 

 

 

 

 

 

 

CN202

KP200TA20L

 

(S)

(C)

A 3/3

CN106

 

D

 

 

 

 

 

 

 

A 1/3

CN107

 

 

 

 

 

 

 

 

 

 

 

E

1/2

19

 

 

 

 

 

 

 

 

5

 

6

 

7

 

8

 

 

 

 

 

 

 

 

 

 

 

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Contents AUDIO/VIDEO Receiver 31-3042/31-3043Kuxji Passive Subwoofer Parts List Front Speaker Parts ListCenter and Rear Speaker Parts List Page VSX-D307 Leakage Current Check Safety InformationSafety Precautions Product Safety NoticePacking Exploded Views and Parts ListPacking Parts List AccessoriesExterior Section BBZ30P080FZK Exterior Section Parts ListFront Panel Section Front Panel Section Parts ListVSX-D307 Overall Connection Diagram Schematic 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 Connection Assy AWX7060KUXJ,KUXJI AWX7176KCXJI Mother 3/3, Connection and Trans 2 AssembliesTrans 2 Assy PowerFront Assy Speaker Volume DSP Assy 1/2 CN106 CN107 Volume DSP Assy 2/2 PRE-AMP Front Speaker Assy Cord TransformerSide a PCB Connection DiagramMother Assy 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 Mother Assy PCB Parts ListParts List for AWX7058 Semiconductors List of Whole PCB AssembliesCapacitors RelayCoils Complex Assy Connection AssyTrans 2 Assy Front Assy Volume DSP AssySwitches Front Speaker Assy Trans 1 Assy AdjustmentHeadphone Assy Primary Assy1 IC CXD2724Q Volume DSP Assy IC201General Information PartsXtli FL Tube DisplayAAV7053 Front Assy Bonnet Front Assy DisassemblyBonnet and Front Assy Mother and Connection Assemblies Mother and Connection AssembliesDiagnosis Power Pack Mother Assy IC401 and IC402 At Bottom SideDiagram Front Speaker Assy Volume DSP AssyTest Points for Diagnosis Mother AssyFront Panel Panel Facilities and SpecificationsPanel Facilities Display DSP indicatorAssembling the AM loop antenna When attached on a wall, etc Connecting DevicesAntenna terminal Input/output plug Speakers terminal AC Outlet Switched 100 W 0.8 a MAXTuner operations Remote Control UnitPhono MM SpecificationsPage 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.
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