SONY DNW-75 VOLUME 2
Manual de Servicio

Maintenance manual volume 1 (9-967-869- )

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 locations of main part, fixture and measuring equipment information, notes, etc.), the measures against trouble, error messages, and ISR (Interactive Status Reporting). Section 2 Periodic Maintenance and Inspection Explains the recommended periodic maintenance, the cleaning procedure and the video head tip protrusion check procedure. Section 3 Maintenance Mode Explains each menu of the maintenance mode. Section 4 Electrical Alignment Explains the electrical alignment for the maintenance of this unit. Section 5 Replacement of Main Parts Explains the replacement of mechanical parts, power supply unit, and circuit boards. Section 6 Tape Path Alignment Explains the tape path alignment after replacement of parts that are described in Section 5. Section 7 Electrical Alignment after Main Parts Replacement Explains the electrical alignment associated with replacement of parts that are described in Section 5.

Maintenance manual volume 3 (9-967-871- )

Section 1 Semiconductor Pin Assignments This section contains information on semiconductors used for unit. It includes a complete list of the semiconductors and their ID Nos. for retrieving information on �Semiconductor Pin Assignments� CD-ROM, which is available separately. Please refer to this section together with the �Semiconductor Pin Assignments� CDROM. Information on the semiconductors not contained in the CD-ROM at the time of issue of this manual, if any, is given in this section as well. Section 2 Block Diagrams Describes the circuit description and the block diagrams of overall and each board. Section 3 Schematic Diagrams and Frame Wiring Describes the frame wiring and the schematic diagrams for the unit. Section 4 Board Layouts Describes the board layouts for the unit.

DNW-75/75P

5 (E)