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Equipment information:

Video cassette recorder -- JVC HR-D520EE

Manufacturer:
JVC
Model: HR-D520EE
Date: 1989
Category: Audio, Video, TV, Multimedia
Group: Video cassette recorder
Description:
Information:







These manuals for the JVC HR-D520EE Video cassette recorder
can you download here for free:

Service Manual -- JVC -- HR-D520EE

Manual Type: Service Manual JVC-9043-Manual-Page-1-Picture
Pages: 64
Size: 11.91 Mbytes (12490486 Bytes)
Language: english
Revision:
Manual-ID/Number: 82147
Date: 01 November 1989
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
Downloads: 315 since 15 May 2017
Information:

Important Safety Precautions 3 .8 3.9 AUDIO BLOCK DIAGRAM ... SYSTEM CONTROL BLOCK DIAGRAM ... INSTRUCTIONS 3.10 VIDEO UNIT AND VIDEO (MAIN) SCHEMATIC 1. MECHANISM ADJUSTMENTS DIAGRAM ... 1 . 1 PRECAUTIONS ... ... 1 - 1 3.11 VIDEO UNIT CIRCUIT BOARD ... 1 . 2 CHECK WITHOUT CASSETTE HOUSING ... ... 1 - 1 3.12 SERVO SCHEMATIC DIAGRAM ... 1 . 3 MANUALLY REMOVING CASSETTE TAPE ... ... 1 - 1 3.13 AUDIO SCHEMATIC DIAGRAM ... 1 . 4 TEST EQUIPMENTS ... ... 1 - 1 3.14 SYSTEM CONTROL SCHEMATIC DIAGRAM ... 1 . 5 DISASSEMBLY ... ... 1 -2 3.15 DECK TERMINAL. MODE MOTOR, CAPSTAN MDA, 1.5.1 Top cover ... ... 1 -2 C. HOUSING SCHEMATIC DIAGRAMS ... 1.5.2 Front panel assembly ... ... 1 - 2 3.16 DECK TERMINAL, MODE MOTOR, C. HOUSING, 1.5.3 Bottom cover ... ... 1 -2 A/C HEAD CIRCUIT BOARD ... 1.5.4 Cassette housing ... ... 1-2 3.17 MAIN CIRCUIT BOARD ... 1.5.5 Cassette housing door ... ... 1 -2 3.18 PRE/REC SCHEMATIC DIAGRAM ... 1 . 6 MAIN MECHANISM PARTS ... ... 1 -3 3.19 PRE/REC CIRCUIT BOARD ... 1.7 INSPECTION AND MAINTENANCE ... ... 1 -5 3.20 IF/TUNER CTL SCHEMATIC DIAGRAM ... 1.7.1 Standard servicing schedule for main 3.21 IF/TUNER CTL CIRCUIT BOARDS ... components ... ... 1 -5 3.22 TIMER/DISPLAY/SWITCH SCHEMATIC DIAGRAM ... 1 . 8 MAIN PARTS REMOVAL AND REPLACEMENT ... 1 -6 3.23 3.24 TIMER/DISPLAY/SWITCH CIRCUIT BOARD ... POWER TRANSFORMER AND REGULATOR (MAIN) 2. ELECTRICAL ADJUSTMENTS SCHEMATIC DIAGRAMS ... 2 . 1 PREPARATION ... ... 2- 1 3.25 POWER TRANSFORMER CIRCUIT BOARD ... 2.1.1 Required test equipment ... ... 2-1 3.26 REMOTE CONTROL SCHEMATIC DIAGRAM 2.1.2 Check and adjustment steps ... ... 2-2 (HR-D520EE) ... 2 . 2 TIMER CIRCUIT ... ... 2-3 3 . 27 REMOTE CONTROL SCHEMATIC DIAGRAM 2 . 3 SERVO CIRCUIT ... ... 2-3 (HR-D521 EE) ... 2.4 VIDEO CIRCUIT ... ... 2-4 3.28 RF CONVERTER SCHEMATIC DIAGRAM ... 2.5 AUDIO CIRCUIT ... 2.6 TUNER/IF CIRCUIT ... 2-5 2-5 4. EXPLODED VIEWS AND PARTS LIST 4.1 PACKING ASSEMBLY <M1> ... 3. CHARTS AND DIAGRAMS 3.1 CIRCUIT BOARD AND LOCATION ... 3.2 GENERAL INFORMATION ... , 3-1 ... 3-2 4 . 2 4 . 3 4 . 4 CABINET ASSEMBLY <M2> ... CHASSIS ASSEMBLY <M3> ... MECHANISM ASSEMBLY(1) <M4> ... 3.2.1 Connections ... ... 3-2 5. ELECTRICAL PARTS LIST 3.2.2 Disconnecting the flatwire ... ... 3-2 POWER TRANSFORMER BOARD ASSEMBLY <01 > ... 3.2.3 Indications ... ... 3-2 MAIN BOARD ASSEMBLY <03> ... 3.2.4 Schematic diagram values ... ... 3-2 VIDEO UNIT BOARD ASSEMBLY <05 > ... 3.2.5 Signal flow in the schematic ... ... 3 - 2 IF BOARD ASSEMBLY <07> ... 3.2.6 Semiconductors ... ... 3-3 TUNER CONTROL BOARD ASSEMBLY <08> ... 3.2.7 Replacement of chip parts ... ... 3-3 AUDIO CONTROL HEAD BOARD <12 > ... 3 . 3 MAIN TYPES OF ACTIVE AND PACKAGE TIMER/DISPLAY/SW BOARD ASSY <21 > ... CIRCUITS ... ... 3-5 UPPER DRUM BOARD < 41 > ... 3.4 BOARD INTERCONNECTIONS ... ... 3-7 PRE/REC AMP BOARD ASSEMBLY <43> ... 3 . 5 VIDEO BLOCK DIAGRAM ... ... 3-10 DECK TERMINAL BOARD ASSEMBLY <51> ... 3 .6 PRE/REC BLOCK DIAGRAM ... ... 3-11 LOADING MDA BOARD ASSEMBLY <55 > ... 3 . 7 SERVO BLOCK DIAGRAM ... ... 3-13 CASSETTE HOUSING BOARD <56> ...

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These manuals are for personal use only.

These documentations are only intended for qualified technicians who are aware of the respective safety regulations.

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