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Dolby Laboratories STAV-3770, 31-3043 service manual

Models: 31-3043 STAV-3770

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Dolby Laboratories STAV-3770, 31-3043 service manual

Contents

MODEL STAV-3770/HTS-102STAV-3770 AUDIO/VIDEO RECEIVERCatalog Number 31-3042/31-3043Symbol and Description the followingMark VSX-D3077FRONT SPEAKER PARTS LIST 7CENTER AND REAR SPEAKER PARTS LIST7PASSIVE SUBWOOFER PARTS LIST 31-3043 HTS-102SPEAKERSPage CONTENTS AUDIO/VIDEO MULTI-CHANNELRECEIVERRRV1925 VSX-D3071. SAFETY INFORMATION 1. SAFETY PRECAUTIONS2. PRODUCT SAFETY NOTICE VSX-D3072. EXPLODED VIEWS AND PARTS LIST 1 PACKING PARTS LISTAccessories 2.1 PACKINGVSX-D307 2.2 EXTERIOR SECTION 1 EXTERIOR SECTION PARTS LIST VSX-D3072 CONTRAST TABLE Mark1 FRONT PANEL SECTION PARTS LIST VSX-D307 2.3 FRONT PANEL SECTIONMark DescriptionVSX-D307 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAMVOLUME DSP ASSY E E 1/2 , E 2/2AWX7062 AWX7066C TRANS 2 ASSY AWX7071 I TRANS 1 ASSY AWX7070 AWX7067A 1/3 3.2 MOTHER ASSY 1/3A 1/3 MOTHER ASSY AWX7058 KUXJ,KUXJIVSX-D307 A 2/3A 3/3 A 2/312A 2/3 VSX-D307 3.3 MOTHER ASSY 2/3AA 1/3 A 2/3 MOTHER ASSY AWX7058 KUXJ,KUXJI AWX7177 KCXJIA 2/3 VSX-D307A1/3 A 1/3 S A 3/33.4 MOTHER 3/3, CONNECTION AND TRANS 2 ASSEMBLIES CONNECTION ASSY AWX7060 KUXJ,KUXJI AWX7176 KCXJI∙ NOTE FOR FUSE REPLACEMENT VSX-D307A 3/3 MOTHER ASSY C TRANS 2 ASSYAWX7071 VSX-D307D FRONT ASSY VSX-D307 3.5 FRONT ASSYAWX7062 VSX-D307 S501E 1/2 VOLUME DSP ASSYAWX7064 VSX-D307 3.6 VOLUME DSP ASSY 1/2E 1/2 VSX-D307 E 2/2E 2/2 E 2/2VSX-D307 3.7 VOLUME DSP ASSY 2/2 E 2/2 VOLUME DSP ASSYAWX7064E 1/2 E 1/2 E 1/2 E 1/2VSX-D307 E 1/2E 1/2 E 1/2F FRONT SPEAKER ASSY TRANS 1 ASSY AWX7070PRIMARY ASSY AWX7067 HEADPHONE ASSY4. PCB CONNECTION DIAGRAM 4.1 MOTHER ASSYSIDE A A MOTHER ASSY FM/AM TUNER UNITR UNIT E CN201 E CN202 CN203CN92 CN9126B D AB CONNECTION ASSYD FRONT ASSY 4.2 CONNECTION, TRANS 2 AND FRONT ASSEMBLIEST1 POWER TRANSFORMER B C DC TRANS 2 ASSY G CN952 G CN953VOLUME DSP ASSY VSX-D307 4.3 VOLUME DSP ASSYCN108 CN107POWER AC POWER CORDH PRIMARY ASSY ASSY5. PCB PARTS LIST LIST OF WHOLE PCB ASSEMBLIESMOTHER ASSY VSX-D307VSX-D307 MarkNoDescription MarkNoB CONNECTION ASSY C TRANS 2 ASSYCOMPLEX ASSY VSX-D307VOLUME DSP ASSY D FRONT ASSYVSX-D307 MarkNo. DescriptionPart NoF FRONT SPEAKER ASSY VSX-D307MarkNo Description6. ADJUSTMENT G HEADPHONE ASSYH PRIMARY ASSY I TRANS 1 ASSYCXD2724Q VOLUME DSP ASSY IC201 7. GENERAL INFORMATION7.1 PARTS 7.1.1 ICVSX-D307 XTLI7.1.2 DISPLAY AAV7053 FRONT ASSY : VSX-D307ANODE AND GRID ASSIGNMENT PIN ASSIGNMENTVSX-D307 7.2 DISASSEMBLY 7.2.1 Bonnet and FRONT AssyVSX-D307 7.2.2 MOTHER and CONNECTION AssembliesMOTHER AND CONNECTION ASSEMBLIES IC401 VSX-D307 7.3 DIAGNOSISIC402 7.4 BLOCK DIAGRAMVSX-D307 Test Points for Diagnosis VOLUME DSP ASSYVSX-D307 MOTHER ASSY8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIESFront Panel VSX-D307Display VSX-D307MONO TUNEDCONNECTING DEVICES For better reception of signalsWhen AM broadcast reception is poor When attached on a wall, etcAntenna terminal Input/output plugSpeakers terminal VSX-D307REMOTE CONTROL UNIT VSX-D3078.2 SPECIFICATIONS MAINTENANCE OF EXTERNAL SURFACESVSX-D307 Amplifier sectionPage SPECIFICATIONS Using AM loop antenna , at TAPE 1 REC-OUTAudio Amplifier Section FM Tuner SectionFort Worth, Texas RadioShack A Division of Tandy CorporationRRV1949M ZZE