Table of Contents
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Purpose of this manual
Contents
Maintenane Manual
Volume 1
Maintenane Manual
Volume 2
MAV-70
Manual Structure
This manual is the maintenance manual volume 1 of the MAV-70 Multi Access
Video and Audio Server.
This manual is intended for use by trained system and service engineers, and
describes the information that premise the service based on components replacement
(diagnostics, replacement of main parts andboards, electrical alignment, and circuit
descriptions).
Moreover, describes the information for the following optional boards/power supply
unit.
. MPEG Encoder/Decoder Board
. MPEG Encoder Board
. MPEG Decoder Board
. Interface Board
. A/D Converter Board
. D/A Converter Board
. Redundant Power Supply Unit
The maintenance manual consists of "Volume 1" and "Volume 2".
The following is a summary of all the section for understanding the contents of
maintenance manual.
Section 1
Diagnostics
This section describes the menu, error message, and diagnostics, etc.
Section 2
Replacement of Main Parts and Boards
This section describes the removal of cabinet, replacement of main parts and boards.
Section 3
Electrical Alignment
This section describes the electrical alignment when maintenance.
Section 4
Circuit Descriptions
This section describes the circuit descriptions of main boards.
Section 1
Spare Parts
This section describes the spare parts.
Section 2
Semiconductor Pin Assignments
This section describes the pin assignments of semiconductors.
Section 3
Block Diagrams
This section describes the overall block diagram and main board block diagrams.
Section 4
Schematic Diagrams
This section describes the schematic diagrams for circuit boards and frame wiring.
Section 5
Board Layouts
This section describes the board layout for circuit boards.
BKMA-7010
BKMA-7020
BKMA-7030
BKMA-7040
BKMA-7050
BKMA-7060
BKMA-PS70
3 (E)
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Table of Contents
