Reference Symbology - Xerox 8830 Service Manual

Reference Symbology

Introduction to Reference Symbology
This section describes and defines the various acronyms, abbreviations, reference symbols,
Signal Nomenclature, and AC and DC power specifications. The following Is a description of
some of the terms found in this section:
Acronyms
Acronyms are used throughout this service documentation to denote common terminology.
Although some acronyms may be unique to this product, most acronyms used in this document
are known throughout the service industry. Table 1 lists the acronyms that are found in this ser-
vice documentation.
Reference Symbols
Reference symbols consist of various icons used in this documentation to denote supportive
data that can be found in other sections of this documentation. The purpose of these symbols
is to inform the Service Representative of procedures, adjustments, or other information that is
Important for successful diagnosis and repair.
Schematic Symbols
These symbols represent various electrical and mechanical components or devices that are
commonly found in Xerox equipment. These symbols are included as an aid to understanding
the representations used In the Circuit Diagrams (CDs).
AC and DC Voltage References
The expected AC and DC voltage levels found in this machine are defined in this section.
These specifications represent the expected range for AC (machine input power source) and
DC (machine Internal power supplies) voltages that are encountered during normal operation.
Abbreviations
Table 2 lists the electrical wire colors that are Identified in this service documentation and
redacts the use of standardized abbreviations,
Introduction
Reference Symbology
Table 1 General Acronyms
Acronym
Definition
AC Alternating Current
ACH
Alternating Current High
ACN Alternating Currant Neutral
AMP Ampere
BSD Block Schematic Diagram
British Thermal Unit
BTU
CD Circuit Diagram
Image Quality / Copy Quality
IQ/CQ
DC Direct Current
Electrostatic Discharge
ESD
HFSl High Frequency Service item
LEO Light Emitting Diode
Parts List
PL
PWB
Printed Wiring Board
RAP Repair Analysis Procedure
VAC Volts Alternating Current
VDC Volts Direct Current
Table 2 Wire Color Abbreviations
Wire Color
Abbreviation
BLK black
BLU blue
BRN brown
GRAY gray
GRN green
G/Y green/yellow
ORN orange
pink
PINK
RED red
VIO violate
WHT white
YEL yellow
Y/Q yellow/green
3/98
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8830 DDS