Hitachi VT-MX231A Service Manual

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LEAN @l |
SERVICE MANUAL
VHS
This video deck is VHS type video
recorder. For proper operation, only
the VHS type cassette must be
used.
'TK || No.4804E |
VT-MX231A
VT-MX231AC
VT-MX231AW
VT-MX431A
VT-MX431AC
CONTENTS
MAIN SECTION
Specifications
Important Safety Precautions
Standard Notes for Servicing
Preparation for Servicing ..........
Operating Controls and Functions ...
Cabinet Disassembly Instructions ...
Electrical Adjustment Instructions
Block Diagrams ....
Function Indicator Symbols ... a
SchematicDiagrams / CBA' s and Test Points ... 1- 9 -1
Waveforms ....
Wiring Diagram .
System Control Timing Charts
IC Pin Function Descriptions ...
Lead Identifications
t
7 :
1-1
1-2-1
1-3-1
1-4-1
1-5-1
1-6-1
1-7-1
1-8-1
DECK MECHANISM SECTION
Standard Maintenance
Fixture and Tape for Adjustment ..
Mechanical Alignment Procedures ........:e:sceseees 2-
Disassembly / Assembly Procedures of
Deck Mechanism ..... 2-4-4
Front Loading Assembly
Alignment Procedures of Mechanism
EXPLODED VIEWS AND PARTS LIST SECTION
Exploded Views
Mechanical Parts List
Electrical Parts List
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
VIDEO CASSETTE RECORDER
June 1998 Image & Information Media Systems Division, Tokai