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Dolby Laboratories STAV-3770, 31-3043 service manual F Front Speaker Assy

Models: 31-3043 STAV-3770

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VSX-D307

3.8 FRONT SPEAKER, HEADPHONE, PRIMARY AND TRANS 1 ASSEMBLIES

F FRONT SPEAKER ASSY
(AWX7068)
2/3 CN403	CN701 AKE7030
A
CN402
A 2/3
IC801:	1SS254
IC801:
VIDEO SW
Q802	2SA933S

IC801(NJM2279D) LOGIC

: AUDIO SIGNAL ROUTE


















































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Dolby Laboratories STAV-3770, 31-3043 service manual F Front Speaker Assy

Contents

Catalog Number MODEL STAV-3770/HTS-102STAV-3770AUDIO/VIDEO RECEIVER 31-3042/31-3043Mark Symbol and Descriptionthe following VSX-D3077PASSIVE SUBWOOFER PARTS LIST 7FRONT SPEAKER PARTS LIST7CENTER AND REAR SPEAKER PARTS LIST 31-3043 HTS-102SPEAKERSPage RRV1925 CONTENTSAUDIO/VIDEO MULTI-CHANNELRECEIVER VSX-D3072. PRODUCT SAFETY NOTICE 1. SAFETY INFORMATION1. SAFETY PRECAUTIONS VSX-D307Accessories 2. EXPLODED VIEWS AND PARTS LIST1 PACKING PARTS LIST 2.1 PACKINGVSX-D307 2.2 EXTERIOR SECTION 2 CONTRAST TABLE 1 EXTERIOR SECTION PARTS LISTVSX-D307 MarkMark 1 FRONT PANEL SECTION PARTS LISTVSX-D307 2.3 FRONT PANEL SECTION DescriptionVSX-D307 VOLUME DSP ASSY 3. SCHEMATIC DIAGRAM3.1 OVERALL CONNECTION DIAGRAM E E 1/2 , E 2/2C TRANS 2 ASSY AWX7071 I TRANS 1 ASSY AWX7070 AWX7062AWX7066 AWX7067A 1/3 MOTHER ASSY A 1/33.2 MOTHER ASSY 1/3 AWX7058 KUXJ,KUXJIA 3/3 VSX-D307A 2/3 A 2/3AA 1/3 A 2/3 MOTHER ASSY 12A 2/3VSX-D307 3.3 MOTHER ASSY 2/3 AWX7058 KUXJ,KUXJI AWX7177 KCXJIA1/3 A 1/3 S A 2/3VSX-D307 A 3/3∙ NOTE FOR FUSE REPLACEMENT 3.4 MOTHER 3/3, CONNECTION AND TRANS 2 ASSEMBLIESCONNECTION ASSY AWX7060 KUXJ,KUXJI AWX7176 KCXJI VSX-D307AWX7071 A 3/3 MOTHER ASSYC TRANS 2 ASSY VSX-D307AWX7062 VSX-D307 3.5 FRONT ASSYD FRONT ASSY VSX-D307 S501E 1/2 VSX-D307 3.6 VOLUME DSP ASSY 1/2E 1/2 VOLUME DSP ASSYAWX7064 E 2/2 VSX-D307E 2/2 E 2/2E 1/2 E 1/2 E 1/2 VSX-D307 3.7 VOLUME DSP ASSY 2/2E 2/2 VOLUME DSP ASSYAWX7064 E 1/2E 1/2 VSX-D307E 1/2 E 1/2F FRONT SPEAKER ASSY PRIMARY ASSY AWX7067 TRANS 1 ASSYAWX7070 HEADPHONE ASSYSIDE A 4. PCB CONNECTION DIAGRAM4.1 MOTHER ASSY A MOTHER ASSY FM/AM TUNER UNITCN92 R UNIT E CN201 E CN202CN203 CN91D FRONT ASSY 26B DAB CONNECTION ASSY 4.2 CONNECTION, TRANS 2 AND FRONT ASSEMBLIESC TRANS 2 ASSY T1 POWER TRANSFORMERB C D G CN952 G CN953CN108 VOLUME DSP ASSYVSX-D307 4.3 VOLUME DSP ASSY CN107H PRIMARY ASSY POWERAC POWER CORD ASSYMOTHER ASSY 5. PCB PARTS LISTLIST OF WHOLE PCB ASSEMBLIES VSX-D307Description VSX-D307MarkNo MarkNoCOMPLEX ASSY B CONNECTION ASSYC TRANS 2 ASSY VSX-D307VSX-D307 VOLUME DSP ASSYD FRONT ASSY MarkNo. DescriptionPart NoMarkNo F FRONT SPEAKER ASSYVSX-D307 DescriptionH PRIMARY ASSY 6. ADJUSTMENTG HEADPHONE ASSY I TRANS 1 ASSY7.1 PARTS CXD2724Q VOLUME DSP ASSY IC2017. GENERAL INFORMATION 7.1.1 ICVSX-D307 XTLIANODE AND GRID ASSIGNMENT 7.1.2 DISPLAY AAV7053 FRONT ASSY :VSX-D307 PIN ASSIGNMENTVSX-D307 7.2 DISASSEMBLY 7.2.1 Bonnet and FRONT AssyMOTHER AND CONNECTION ASSEMBLIES 7.2.2 MOTHER and CONNECTION AssembliesVSX-D307 IC402 VSX-D307 7.3 DIAGNOSISIC401 VSX-D307 DIAGRAM7.4 BLOCK VSX-D307 Test Points for DiagnosisVOLUME DSP ASSY MOTHER ASSYFront Panel 8. PANEL FACILITIES AND SPECIFICATIONS8.1 PANEL FACILITIES VSX-D307MONO DisplayVSX-D307 TUNEDWhen AM broadcast reception is poor CONNECTING DEVICESFor better reception of signals When attached on a wall, etcSpeakers terminal Antenna terminalInput/output plug VSX-D307REMOTE CONTROL UNIT VSX-D307VSX-D307 8.2 SPECIFICATIONSMAINTENANCE OF EXTERNAL SURFACES Amplifier sectionPage Audio Amplifier Section SPECIFICATIONSUsing AM loop antenna , at TAPE 1 REC-OUT FM Tuner SectionRRV1949M ZZE RadioShack A Division of Tandy CorporationFort Worth, Texas