Informations de l’équipement

Pioneer A-676 Amplificateur
Fabricant:
Pioneer
Modèle: A-676
Date: 1991
Catégorie: Audio, Vidéo, TV, Multimédia
Groupe: Amplificateur
Description: Stereo Amplifier
Informations:

• Drive capacity 150 W + 150 W/4 0 (DIN). 100 W + 100 W/S 0 (DIN) matching to high power and low impedance type Speaker system. [Model A-676 ..... 120 W + 120 W/40 (DIN). SOW + SO W/SO (DIN)] • The use of Super Linear Circuit ensures high fidelity playback of consistent frequency characteristics, accompanied by maximum clarity. • The use of a DIRECT circuit ensures high fidelity playback of consistent frequency characteristics, accompanied by maximum clarity. • Clean ground technology prevents noise on power line from flowing to the signal ground line, permitting clean sound reproduction. • Uses Channel Separation Enhancer Circuit to improve the stereo sound field and sound quality. • REC selector switch makes tape editing very simple. • Comes with a built-in phono Equalizer which accepts MC cartridge. • Casted Power Transformer (A-777 only) • Honeycomb Frame Chassis • Honeycomb Heat Sink • Uses a complementary capacitor pair.

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Type manuel: Manuel de l'utilisateur Pioneer-6025-Manual-Page-1-Picture
Pages: 15
Taille: 1.08 Mbytes (1136492 Bytes)
Langue: english, french
Révision:
Numéro d’identification:
Date: 1991
Qualité: Document scanné, tous les lisible.
Télécharger date:
MD5: 14fb78b1875969bac75083860fb1529f
Téléchargements: 1725 depuis 17 mai 2014
Informations:

Section Title Page Important Safety Precautions INSTRUCTIONS 1. DISASSEMBLY 1.1 BEFORE ASSEMBLY AND DISASSEMBLY ... 1-1 1.1.1 Precautions ... 1-1 1.1.2 Assembly and disassembly ... 1-1 1.1.3 Destination of connectors ... 1-1 1.1.4 Disconnection of Connectors (Wires) ... 1-1 1.2 JIGS AND TOOLS REQUIRED FOR DISASSEMBLY, ASSEMBLY AND ADJUSTMENT ... 1-2 1.2.1 Tools required for adjustments ... 1-2 1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS AND BOARD ASSEMBLY ... 1-3 1.3.1 Disassembly flow chart ... 1-3 1.3.2 Disassembly method (I) ... 1-4 1.4 DISASSEMBLY OF 4 MONITOR ASSEMBLY ... 1-8 1.4.1 4 Monitor assembly/Hinge assembly ... 1-8 1.4.2 Hinge assembly ... 1-8 1.5 DISASSEMBLY OF 0 E VF ASSEMBLY ... 1-9 1.5.1 0 E. VF assembly ... 1-9 1.6 DISASSEMBLY OF 7 OP BLOCK ASSEMBLY/CCD BOARD ASSEMBLY ... 1-10 1.6.1 Precautions ... 1-10 1.6.2 How to remove OP block assembly and CCD board assembly ... 1-10 1.6.3 How to install OP block assembly and CCD board assembly ... 1-10 1.6.4 Replacement of service parts ... 1-10 1.7 HOW TO TAKE OUT CASSETTE TAPE MANUALLY ... 1-11 1.7.1 How to remove cassette tape manually from the set ... 1-11 1.8 SERVICE NOTE ... 1-12 1.9 EMERGENCY DISPLAY ... 1-13 2. MECHANISM ADJUSTMENT 2.1 PRELIMINARY REMARKS ON ADJUSTMENT AND REPAIR ... 2-1 2.1.1 Precautions ... 2-1 2.1.2 Notes on procedure for disassembly/assembly ... 2-1 2.2 DISASSEMBLY/ASSEMBLY OF MECHANISM ASSEMBLY ... 2-2 2.2.1 General statement ... 2-2 2.2.2 Explanation of mechanism mode ... 2-2 2.2.3 Mechanism timing chart ... 2-3 2.2.4 Disassembly/assembly of mechanism assembly ... 2-4 2.2.5 Disassembly/assembly ... 2-7 2.2.6 List of procedures for disassembly ... 2-13 2.2.7 Checkup and adjustment of mechanism phase ... 2-14 2.2.8 Assembling slide deck assembly and main deck assembly ... 2-15 2.2.9 Locating tension pole ... 2-16 2.3 SERVICE NOTE ... 2-17 2.4 JIG CONNECTOR CABLE CONNECTOR ... 2-19 3. ELECTRICAL ADJUSTMENT 3.1 PREPARATION ... 3-1 3.2 SETUP ... 3-1 3.3 FUSE LOCATION ... 3-2 3.3.1 MAIN PWB (FOIL SIDE) ... 3-2 3.3.2 MAIN PWB (COMPONENT SIDE) ... 3-2 3.3.3 MONITOR PWB (COMPONENT SIDE) ... 3-3 4. CHARTS AND DIAGRAMS NOTES OF SCHEMATIC DIAGRAM ... 4-1 CIRCUIT BOARD NOTES ... 4-2 4.1 BOARD INTERCONNECTIONS ... 4-3 4.2 CPU SCHEMATIC DIAGRAM ... 4-5 4.3 MSD CPU SCHEMATIC DIAGRAM ... 4-7 4.4 A/HP SEL SCHEMATIC DIAGRAM ... 4-9 4.5 DVMAIN SCHEMATIC DIAGRAM ... 4-11 4.6 PHY SCHEMATIC DIAGRAM ... 4-13 4.7 DVEQ/DVANA SCHEMATIC DIAGRAM ... 4-15 4.8 PRE/REC SCHEMATIC DIAGRAM ... 4-17 4.9 VIDEO OUT SCHEMATIC DIAGRAM ... 4-19 4.10 ANALOG VIDEO I/O SCHEMATIC DIAGRAM ... 4-21 4.11 CDS SCHEMATIC DIAGRAM ... 4-23 4.12 DSP SCHEMATIC DIAGRAM ... 4-25 4.13 TG/VDR SCHEMATIC DIAGRAM ... 4-27 4.14 REG CTL SCHEMATIC DIAGRAM ... 4-29 4.15 REGULATOR SCHEMATIC DIAGRAM ... 4-31 4.16 STROBE SUB SCHEMATIC DIAGRAM ... 4-33 4.17 DSC SCHEMATIC DIAGRAM ... 4-35 4.18 AU DSP SCHEMATIC DIAGRAM ... 4-37 4.19 B/W AND IR/TALLY SCHEMATIC DIAGRAMS ... 4-39 4.20 MDA SCHEMATIC DIAGRAM ... 4-41 4.21 IRIS & AF/ZOOM SCHEMATIC DIAGRAM ... 4-43 4.22 CCD SCHEMATIC DIAGRAM ... 4-45 4.23 MONITOR A SCHEMATIC DIAGRAM ... 4-47 4.24 MMC, W/B SENS AND EJECT SCHEMATIC DIAGRAMS ... 4-49 4.25 STROBE SCHEMATIC DIAGRAM ... 4-51 4.26 AUDIO AD/DA SCHEMATIC DIAGRAM ... 4-53 4.27 MAIN AUDIO SCHEMATIC DIAGRAM ... 4-55 4.28 AUDIO NR SCHEMATIC DIAGRAM ... 4-57 4.29 VF A SCHEMATIC DIAGRAM ... 4-59 4.30 JACK SCHEMATIC DIAGRAM ... 4-61 4.31 CAMERA OPE UNIT, SUB OPE ASSY, ZOOM UNIT AND DECK OPE ASSY SCHEMATIC DIAGRAMS ... 4-63 4.32 MAIN CIRCUIT BOARD ... 4-65 4.33 MDA AND CCD CIRCUIT BOARDS ... 4-71 4.34 MONITOR AND PULL DOWN CIRCUIT BOARDS ... 4-73 4.35 MONITOR CIRCUIT BOARD ... 4-75 4.36 MMC AND STROBE CIRCUIT BOARDS ... 4-77 4.37 AUDIO VF CIRCUIT BOARD ... 4-79 4.38 JACK, W/B AND EJECT CIRCUIT BOARDS ... 4-81 4.39 POWER SYSTEM BLOCK DIAGRAM ... 4-83 4.40 VIDEO SYSTEM BLOCK DIAGRAM ... 4-85 4.41 REGULATOR SYSTEM BLOCK DIAGRAM ... 4-87 4.42 VOLTAGE CHARTS ... 4-89 5. PARTS LIST 5.1 PACKING AND ACCESSORY ASSEMBLY ... 5-1 5.2 FINAL ASSEMBLY ... 5-3 5.3 MECHANISM ASSEMBLY ... 5-6 5.4 ELECTRONIC VIEWFINDER ASSEMBLY ... 5-8 5.5 MONITOR ASSEMBLY ... 5-9 5.6 ELECTRICAL PARTS LIST ... 5-10 MAIN BOARD ASSEMBLY <01> ... 5-10 MDA BOARD ASSEMBLY <02> ... 5-21 CCD BOARD ASSEMBLY <03> ... 5-22 MONITOR BOARD ASSEMBLY <04> ... 5-22 MMC BOARD ASSEMBLY <06> ... 5-24 STROBE BOARD ASSEMBLY <07>,C,D,E,F ... 5-24 AUDIO VF BOARD ASSEMBLY <08> ... 5-25 JACK BOARD ASSEMBLY <09> ... 5-27 W/B BOARD ASSEMBLY <11> ... 5-27 EJECT BOARD ASSEMBLY <12> ... 5-27 6. AC POWER ADAPTER (AA-V51EG/EK) 6.1 CABINET ASSEMBLY ... 6-1 6.2 SCHEMATIC DIAGRAM ... 6-2 6.3 CIRCUIT BOARD ... 6-4 6.4 ELECTRICAL PARTS LIST ... 6-5

Pioneer-6025-Manual-Page-1-Picture


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