Equipment information
Hitachi VT-F641 ENA Video cassette recorder
Manufacturer:
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Model:
VT-F641 ENA
Date:
1997
Category:
Group:
Description:
Manual Type:
Service Manual
Pages:
84
Size:
11.29 Mbytes (11833815 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
1997 06 01
Quality:
Scanned document, all readable.
Upload date:
2017 04 16
MD5:
71e584daa08492d8e67c7f20273431f6
Downloads:
6717
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