
REV SEP
1981
TABLE OF CONTENTS
PAGE
SECTION 1 OPERATING INSTRUCTIONS
7A26 Features
.........
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
General Operating Information
.................................
1-1
7A26 Front-panel Controls
and
Connectors
......................
1-2
Basic Applications
.....
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
SECTION 2 SPECIFICATION
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
Environmental Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Physical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
I
WARNING'
The
remaining portion
of
this
Table
of
Contents lists the servicing
instructions. These servicing instructions are for use
by
qualified per-
sonnelonly.
To
avoid electrical shock, do not perform any servicing
other than that called out
in
the operating instructions unless qualified
to do
so.
SECTION 3 THEORY
OF
OPERATION
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
Detailed Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
SECTION 4 MAINTENANCE
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
Corrective Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Troubleshooting
Chart.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Repackaging for Shipment
............
. . . . . . . . . . . . . . . . . . . . . . . . 4-8
SECTION 5 CALIBRATION
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
Performance Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
Test Equipment Required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
Calibration Procedure
........................................
5-3
Index to Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
SECTION 6 ELECTRICAL PARTS LIST
Parts Ordering Information
Abbreviations and Symbols
SECTION 7 DIAGRAMS AND CIRCUIT BOARD ILLUSTRATIONS
Symbols and Reference Designators
SECTION 8 MECHANICAL PARTS LIST
Mechanical Parts List Information
Index of Mechanical Parts Illustrations
Mechanical Parts List
CHANGE INFORMATION & TEST EQUIPMENT
7A26