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Manual Structure
Purpose of this manual
This manual is the maintenance manual of the following models.
. Control PanelBKNW-119
. Control PanelBKNW-120
. Control Panel CaseBKNW-121
. Control Panel Extension KitBKNW-122
. Modification KitBKNW-123
This manual is intended for use by trained system and service engineers, and
describes information that premise the parts level service (adjustments, parts list,
schematic diagrams, board layouts, etc.).
Contents
The followings are summaries of all sections for understanding the contents of this
manual.
Section 1 Service Overview
Explains the overview of each model, panel removal/installation, after repairing the
PTC-69 board (BKNW-119/120), and notes on repair parts.
Section 2 Electrical Adjustment
Explains the dial pulse adjustment (PTC-69 board).
Section 3 Spare Parts
Describes the exploded view of each model, the spare parts list of each board, and
the supplied accessories list of each model.
Section 4 Semiconductor Pin Assignments
Describes the semiconductor pin assignments.
Section 5 Block Diagrams
Describes the overall block diagrams for DNW-A75 series and DNW-A100 series
respectively.
Section 6 Schematic Diagrams and Frame Wiring
Describes the schematic diagram of each board and frame wiring diagrams for
DNW-A75 series and DNW-A100 series respectively.
Section 7 Board Layouts
Describes the board layouts of each board.
BKNW-119/120/121/122/1233 (E) |
ACEC
