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Hitachi VT-F641 ENA Video cassette recorder
Manufacturer:
Model:
VT-F641 ENA
Date:
1997
Class:
Type:
SubType:
Service Manual
Manual type:
Service Manual
Pages:
84
Size:
11.29 Mbytes (11833815 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
01 June 1997
Quality:
Scanned document, all readable.
Upload date:
16 April 2017
MD5:
71e584daa08492d8e67c7f20273431f6
Downloads:
8172

Information

CHAPTER 1 TECHNICAL DATA AND FEATURES Frontpage ... 1-1 Table of contents ... 1-2 Survey of sets and features,PCB's and p P 's ... 1-3 Safety instructions ... 1-4/5 Sart - up Phase of the control |jP ... 1-6 Technical specifications ... 1-7 Survey of direction for u se ... 1-8 Front view of the set, Remote control ... 1-9 Direction for use ... 1-10/13 CHAPTER 2 TOOLS FOR ERROR DIAGNOSIS Servicing of SMDs ... 2-1/4 Dismantling of the set ... 2-5/6 Circuit descriptions ... 2-7/16 IN/OUT Block diagram ... 2-17/19 Error diagnosis system ... 2-20/25 CHAPTER 3 PRINTED BOARDS Adjustment procedures ... 3-1/3 List of abbreviations ... 3-4/6 Wiring diagram ... 3-7 Block diagram video part ... 3-8 Block diagram audiol p a rt ... 3-9 Block diagram digital p a rt ... 3-10 Block diagram power supply part ... 3-11 Mother board QMB PCB drawing mother board Q M B ... 3-12/13 Circuit diagram P S ... 3-14 Head amplifier-HV/HAcircuit diagram ... 3-15 Deck electronics-DE circuit diagram ... 3-16 Display control-DC circuit diagram ... 3-17 Video/Chroma-VS circuit diagram ... 3-18 Audio linear-AL circuit diagram ... 3-18 IN/OUT-I/O circuit diagram ... 3-19 Secam-VS circuit diagram ... 3-20 Frontend-FV circuit diagram ... 3-21 Audio FM-AF circuit diagram ... 3-22 Circuit diagram OSD, FOME, VPS ... 3-23 QNIC board Circuit diagram QNIC ... 3-24 PCB drawing QNIC ... 3-25 Connector board PCB drawing/Circuit diagram QBOC1 ... 3-26 CHAPTER 4 TAPE DECK Page Deck parts replacement Auxiliary tools for deck adjustment ... 4-1 Deck layout diagrams ... 4-2 Lift ... 4-2 Head disc ... 4-3 A/C Head ... 4-4 Threading motor ... 4-4 Capstan motor ... 4-4 Pressure roller ... 4-4 Roller unit right ... ... 4-4 Roller unit le ft ... 4-5 Adjustments Tape path ... 4-5 ..Roller unit left; roller unit right" ... 4-5 A/C Head ... 4-5 Horizontal distance ... 4-6 Brake band ... 4-6 Tape tension adjustment ... 4-6 Friction clutch control ... 4-6 Reverse brake control ... 4-6 Top view, Underside v ie w ... 4-7 Exploded view Cleaning and lubrication ... 4-8/9 Parts list ... 4-10 CHAPTER 5 PARTS LIST Exploded view of cabinet parts ... 5-2 Cabinet parts ... 5-3 Mother board Q M B ... 5-4/10 QNIC board ... 5-11 Cables, Sub p rin t ... 5-11

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