Dolby Laboratories 31-3043, STAV-3770 service manual Front Assy, Volume DSP Assy, Switches

Page 37

Mark No. DescriptionPart No.

D FRONT ASSY

SEMICONDUCTORS

IC501

CONTROL MCU

PDG211A

Q501

TRANSISTOR

KRA101M

Q502

TRANSISTOR

KRC101M

Q503

TRANSISTOR

KRA103M

Q504

TRANSISTOR

KRC101M

Q505

TRANSISTOR

2SA933S

D501

DIODE

1SS254

D502

LED

BR3371XJ30A

D503

DIODE

1SS254

D504

DIODE

1SS254

D505

DIODE

1SS254

D506

DIODE

1SS254

D507

DIODE

1SS254

D508

DIODE

1SS254

D509

DIODE

1SS254

D510

DIODE

1SS254

D511

DIODE

1SS254

D512

DIODE

1SS254

D513

DIODE

1SS254

D514

DIODE

1SS254

D518

DIODE

1SS254

D519

DIODE

1SS254

D520

DIODE

1SS254

D521

DIODE

1SS254

SWITCHES

S501

SWITCH

ASG1034

S502

SWITCH

ASG1034

S503

SWITCH

ASG1034

S505

SWITCH

ASG1034

S506

SWITCH

ASG1034

S507

SWITCH

ASG1034

S508

SWITCH

ASG1034

S509

SWITCH

ASG1034

S510

SWITCH

ASG1034

S511

SWITCH

ASG1034

S512

SWITCH

ASG1034

S513

SWITCH

ASG1034

S514

SWITCH

ASG1034

S515

SWITCH

ASG1034

S516

SWITCH

ASG1034

S517

SWITCH

ASG1034

S518

SWITCH

ASG1034

S520

SWITCH

ASG1034

S522

SWITCH

ASG1034

S523

SWITCH

ASG1034

S524

SWITCH

ASG1034

COILS

L501

AXIAL INDUCTOR

LAU2R2J

L502

AXIAL INDUCTOR

LAUR22J

CAPACITORS

C501

CERAMIC CAPACITOR

CKPUYF103Z25

C502

CERAMIC CAPACITOR

CKPUYF103Z25

C503

CERAMIC CAPACITOR

CKPUYF473Z16

C504

ELECT. CAPACITOR

CEAT2R2M50

C505

CERAMIC CAPACITOR

CGCYX104M16

 

 

 

 

 

VSX-D307

Mark No.

Description

 

Part No.

 

 

 

C507

AXIAL CAPACITOR

 

CKPUYB101K50

 

 

C508

AXIAL CAPACITOR

 

CKPUYB101K50

 

 

C509

AXIAL CAPACITOR

 

CKPUYB101K50

 

 

C510

CERAMIC CAPACITOR

 

CKCYF103Z50

 

 

 

C511

ELECT. CAPACITOR

 

CEAT470M50

 

 

 

C512

ELECT. CAPACITOR

 

CEAT221M10

 

 

 

C513

CERAMIC CAPACITOR

 

CGCYX103M16

 

 

C514

CAPACITOR

 

ACH7013

 

 

 

C516

CERAMIC CAPACITOR

 

CKPUYF473Z16

 

 

C517

ELECT. CAPACITOR

 

CEAT221M35

 

 

 

C518

AUDIO FILM CAPACITOR

 

CFTYA104J50

 

 

 

C522

CERAMIC CAPACITOR

 

CKPUYF473Z16

 

 

C523

CERAMIC CAPACITOR

 

CKPUYB102K50

RESISTORS

 

 

 

 

 

 

All Resistors

 

RD1/4PU

J

OTHERS

 

 

 

 

501

REMOTE RECEIVER UNIT

 

GP1U27X

 

 

 

CN501

20P CONNECTOR

52044-2045

 

 

 

CN502

20P CONNECTOR

52044-2045

 

 

 

V501

FL TUBE

 

AAV7053

 

 

 

X501

CERAMIC RESONATOR

 

ASS7018

 

 

 

 

(7.2MHz)

 

 

 

 

 

 

 

 

E

VOLUME DSP ASSY

 

 

 

SEMICONDUCTORS

 

 

 

 

 

IC201

DSP IC

 

CXD2724Q

 

 

 

IC202

E-VR IC

 

M62420FP

 

 

 

IC204

LOGIC IC

 

BU4052BCF

 

 

 

IC206

OP-AMP IC

 

NJM4558LD

 

 

 

IC207

OP-AMP IC

 

NJM4558LD

 

 

 

IC211

OP-AMP IC

 

NJM4558D-D

 

 

 

IC301

IC

 

UPC4570C

 

 

 

IC302

IC

 

UPC4570C

 

 

 

Q202

TRANSISTOR

 

2SC1740S

 

 

 

Q301

N-FET

 

2SK246

 

 

 

Q302

N-FET

 

2SK246

 

 

 

Q311

TRANSISTOR

 

KRA101M

 

 

 

Q313

TRANSISTOR

 

2SA1115

 

 

 

Q314

TRANSISTOR

 

2SC2603

 

 

 

Q315

TRANSISTOR

 

2SA1115

 

 

 

Q316

TRANSISTOR

 

2SC2603

 

 

 

D201

ZENER DIODE

 

MTZJ5.6B

 

 

 

D203

ZENER DIODE

 

MTZJ5.6B

 

 

 

D204

ZENER DIODE

 

MTZJ9.1B

 

 

 

D301

DIODE

 

1SS254

 

 

 

D302

DIODE

 

1SS254

 

 

 

D303

DIODE

 

1SS254

 

COILS

 

 

 

 

 

 

L202

AXIAL INDUCTOR

 

LAU1R0J

 

 

 

L207

AXIAL INDUCTOR

 

LAU220J

 

 

 

L208

AXIAL INDUCTOR

 

LAU1R0J

 

CAPACITORS

 

 

 

 

 

C201

ELECT. CAPACITOR

 

CEAT470M16

 

 

 

C202

ELECT. CAPACITOR

 

CEAT470M16

 

 

 

C203

ELECT. CAPACITOR

 

CEAT471M6R3

 

 

C204

CERAMIC CAPACITOR

 

CCCSL101J50

 

 

 

C205

CERAMIC CAPACITOR

 

CKPUYB331K50

33

Image 37
Contents AUDIO/VIDEO Receiver 31-3042/31-3043Kuxji Center and Rear Speaker Parts List Front Speaker Parts ListPassive Subwoofer Parts List Page VSX-D307 Safety Precautions Safety InformationProduct Safety Notice Leakage Current CheckPacking Parts List Exploded Views and Parts ListAccessories PackingExterior 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 TransformerMother 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 Parts List for AWX7058 Semiconductors PCB Parts ListList of Whole PCB Assemblies Mother AssyCoils RelayCapacitors Trans 2 Assy Connection AssyComplex Assy Switches Volume DSP AssyFront Assy Front Speaker Assy Headphone Assy AdjustmentPrimary Assy Trans 1 AssyGeneral Information CXD2724Q Volume DSP Assy IC201Parts 1 ICXtli AAV7053 Front Assy DisplayFL Tube Bonnet and Front Assy DisassemblyBonnet Front Assy Mother and Connection Assemblies Mother and Connection AssembliesDiagnosis Power Pack Mother Assy IC401 and IC402 At Bottom SideDiagram Test Points for Diagnosis Volume DSP AssyMother Assy Front Speaker AssyPanel Facilities Panel Facilities and SpecificationsFront Panel 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.