5
BVW-55
Purpose of this manual
This manual is the maintenance manual part1 of videocassette recorder BVW-55.
This manual is intended for use by trained system and service engineers, and
provides the setting and maintenance information that is necessary at the time of
primary service.
Contents
This manual is organized by following sections.
Section 1 Service Overview
Explains the fundamental information that is required to service, (removal of cabinet
and cassette compartment, the functions of printed circuit board, the locations of
main part, fixture and measuring equipment information, notes, etc.) and the mea-
sures against trouble.
Section 2 Error Message
Explains the error messages.
Section 3 Maintenance Mode
Explains each menu of the maintenance mode.
Section 4 Periodic Maintenance and Inspection
Explains the recommended periodic maintenance, and the cleaning procedure.
Section 5 Spare Parts
Describes the spare parts list and the exploded view for the service parts of this unit,
and the supplied accessories list.
Section 6 Overall Block Diagram and Circuit Description
Describes the overall block diagram and the circuit description.
Appendix A Setting Check Sheet
The sheet is used for checking the setup conditions such as switch, setup menu under
the application.
Manual Structure
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