5
DNW-A220/A220P
Purpose of this manual
This manual is the maintenance manual part1 of digital videocassette recorder
DNW-A220/A220P.
This manual is intended for use by trained system and service engineers, and
provides the setting and maintenance information necessary at the time of primary
service.
Contents
This manual is organized by following sections.
Section 1
Service Overview
Explains fundamental area of the information that is required to service, (removal of
cabinet and cassette compartment, the functions of printed circuit board, the loca-
tions of main part, fixture and measuring equipment information, notes, etc.) and the
measures 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 packing materials and supplied accessories list.
Section 6
Overall Block Diagram and Circuit Description
Describes the overall block diagram and the ciruit 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
