Control Data Corporation CDC 722-10 Owner's manual

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62940003
CDC® 7 22-10/20 DISPLAY TERMINAL
CC628-A
HARDWARE MAINTENANCE MANUAL
(SITE INFORMATION)

REVISION
A
(10-01-80)
B
(11-25-80)
C
(11-26-80)
D
(01-21-81)
E
(02-11-81 )
F
(04-07-81)
G
(05-07-81)
H
(06-01-81)
J
(06-25-81)
K
(07-06-81)
L
(09-18-81)
Publication No.
~?q4()()()1
REVISION RECORD
DESCRiPiiON
Manual released. Includes changes per ECO 14104,
14037, 14147, 14241, 14257, and 14262.
Interim change to incorporate ECO 14353.
Manual revised to incorporate ECO 14353 in its final
form.
Manual revised to incorporate procedure changes, to
provide a switch setting record, and to update
spare parts list per ECO's 14294, 14401, and 14431.
Interim change to incorporate ECOs 14461
r
14503, and
and
14530. Also adds appendix B.
Manual revi~ed to incorporate ECO 14530 in its .final
form and to make editorial and technical corrections.
Interim change - manual revised to incorporate
ECO 14675.
Manual revised to incorporate ECO 14675 in its final
form.
Interim change - manual revised to incorporate
ECO 14640.
Interim change - manual revised to incorporate
ECO 14753.
Manual revised to incorporate ECO 14761 and finalize
ECO's 14640 and 14753.
01989-2
Address comments concerning this
manual to.
REVISION LETIERS I, 0, Q AND X ARE NOT USED
Control Data Corporation
Technical Publ ications Deportment
2401 North Fairview Avenue
St. Paul, Minnesota 55113
.... ... ,,, .....
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or use Comment Sheet in the back (--"
of this manual.
© 1980, 1981
by Control Data Corporation
Printed in the United States of America
~ii
----_._----_._--_._._---_. __ ._---

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MANUAL TO EQUIPMENT LEVEL CORRELATION SHEET
This manual reflects the equipment configurations listed below.
EXPLANATION: Locate the equipment type and series number, as shown on the equipment FCO log, in the list below.
Immediately to the right of the series number is an FCO number. If that number and all of the numbers underneath
it match all of the numbers on the equipment FCO log, then this manual accurately reflects the equipment.
EQUIPMENT TYPE
SERIES
WITH FCO'S
COMMENTS
CC628-A
01
02
14353
--
All units reworked to series
05
03
by ECO 14530
04 I
05
-
ECO
14675
only
(SIN
1016)
06 -
ECO
14640
only
(SIN
1550)
07
1475"3
ECO
14753
07 - ECO
14671
only
(SIN 2601)
08
01987
62940003 L
iii/iv

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LIST OF EFFECTIVE PAGES
lAS,
• 5 -a
UI
USM; ·1 • H, He "3'#"5' if 'CAS g-i 'PRS' rj' taw rea·sag
.e DR
it
(. New features, as well as changes, deletions, and additions to information in this manual are indicated by bars
'---- in the margins or by a dot near the page number if the entire page is affected. A bar by the page number
indicates pagination rather than content has changed.
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PAGE
Cover
Title
Page
ii
thru vi
vii/viii
ix
and
x
xi/xii
1-1
1-2
1-3
2-1
2-2
'.
2-3
2-4
2-5
2-6
2-7
and
2-8
2-9
3-1
thru
3-4
3-5
3-6
3-7
thru
3-9
4-1
4-2
5-1
thru 5-4
5-5
5-6
5-7
5-8
5-9
5-10/5-11
62940003 L
REV
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L
H
F
D
G
A
F
L
G
A
K
C
K
A
H
A
F
G
H
A
D
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K
F
E
D
G
C
PAGE
REV
PAGE
REV
5A-1/5A-2
A
5A-3
F
5A-4/5A-5
A
5B-1
A
5B-2
D
5B-3
A
5B-4/5B-5
D
5B-6/5B-7
A
5B-8/5B-9
D
5B-10
thru
58-12 K
5B-13
thru
5B-16
E
5B-17/5B-18
A
6-1
A
6-2
and
6-3
L
A-I
K
A-2
D
B-1
thru B-4
H
Comment
Sheet. L
Mailer
-
Back Cover
-
02092-IA
v/vi
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PREFACE
This manual provides information to aid in the installation,
checkout, and on-site maintenance of the CDC@ 722-10/20
Display Terminal. It is assumed that the customer engineer has
knowledge of basic terminal operations and use of common
maintenance tools and test equipment.
Information is organized under the following section headings:
Section
1 -
General
Description
Section
2 -
Operation
Section
3 -
Installation
and
Checkout
Section
4
Diagrams
Section
5 - Maintenance
section 5A - SAM Listings
Section 5B - Maintenance Procedures
Section 6 - Parts Data
Appendix A - Special Cables for Use with Terminal
Appendix B - Generating Commands in Advanced/752 Mode
Other manuals providing reference and component level mainte-
nance information on the terminal are listed as follows. All
manuals may be ordered from:
Control Data Corporation
Literature and Distribution Services
308 North Dale Street
St. Paul, Minnesota 55103
't~t~e
722-10/20 Display Terminal Reference Manual
722-10/20 Display Terminal Operators Guide/
Installation Instructions
722-10/20 Display Terminal Hardware Maintenance
Manual (Support Information)
62940003 H
Publication
Number
-~",-,,~~,,"">-b->-
62940001
62940002
62940004
vii/viii

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1.
2.
3.
CONTENTS
GENERAL DESCRIPTION
Physical Description • . •
Functional Description • •
Equipment Specifications •
OPERATION
. . . . . . . 1-1
• 1-2
• • • . 1-3
Operating Controls and Switches •••.••••. 2-1
Power On/Off Switch. •....••••• • 2-2
Circuit Breaker (CBl) • • •• ••. • • 2-2
Vol tage Select Swi tch • • • • . 2-2
Brightness Control . •• .•• ••.• 2···2
TEXT/NORMAL Switch •••••••••••••••• 2-2
Open Connections . • • •• ••• •••. 2-3
Shorted Connections • • • • • • • • • • 2-3
Control Switches .• • • . • . • • • . • •. . 2-3
DATA RATE SELECT S\>litches . . • • • • •. • 2-3
PAR EVEN/PAR ODD Switch . . . • .• •• 2-3
ROLL/PAGE Swi tch • • • • • • • • 2-4
FULL DUP /HALF DUP Swi tch • • • • • • . •. . 2-5
ON LINE/LOCAL Switch •••••••••••. _ • 2-5
MANUAL RELEASE Switch • • . • •• ••••• 2-5
Mode Select Switches •• • _ • . • • • _ • 2-5
NORMAL/TRANSPARENT Switch •••.••• 2-6
NORMAL/DATA ONLY Switch ••.••• __ • • 2-6
PARITY ENABLE/PARITY DISABLE Switch •••. 2-6
1 STOP BIT/2 STOP BITS Switch • •• •• 2-7
NORMAL/AUTO LF Switch • • . • . • . • • .• 2-7
DISABLE BELL/EOL BELL Switch • • •• • _ •• 2-7
RTS CONSTANT/RTS SWITCHED Switch • • • •• • 2-8
DTR CONSTANT/DTR SWITCHED Switch •••••••• 2-8
60 HZ REFRESH/50 HZ REFRESH Swi tch • • ••• 2-8
Keyboard Functions • . • • •• •• 2-8
Keyboard Indicators • _ • _ .••• _ • • • • 2-9
INSTALLATION AND CHECKOUT
Packaging • • • • • • • • • • • •
Installation •••••••••
Installation Requirements • • .
Installation Instructions •
Checkout • • • e _ • • • • • •
• • 3-1
• • • _ 3-1
• • • • 3-1
• • • • 3-4
• _ • • 3-8
4. DIAGRAMS
Interconnection Diagram, (Viking TTY Display Terminal
50/60 Hz) • • • • • • • • •• ••••••••• 4-2
62940003 F ix

5.
MAINTENANCE
~-..,
General
Maintenance
Information
· · · · · · ·
5-1
Suggested Emergency Maintenance
Procedure
· · ·
5-1
Before
Leaving For Customer
Site
· · · ·
5-2
Upon
Arriving
At Customer
Site
· · · · · · · · ·
5-2
Safety
Precautions
· · · · · · · · · · · · · ·
5-3
Maintenance
Tools and
Materials
· · · · · · · · · ·
5-3
MOS
Circuit-Handling
Precautions
· · · · ·
5-3
Maintenance Aids
· · · · · · · · · · · · · · ·
5-4
Location
of
Major Assemblies
· · · · ·
5-4
Internal Controls and Fuses
· · · · · · · ·
5-4
Monitor
PC Board
· · · · · · · · · ·
5-4
Yoke
Assembly
· · · · · · · · · · · · · · ·
5-6
Logic/Power Supply Board
· · · · · · · ·
5-6
Diagnostic
and Corrective Maintenance
· ·
5-6
Diagnostic
Self-Test
Routines
· · · · · · ·
5-7
Power-On
Test
· · · · · · · · · · · · ·
5-7
System
Level
Test
· · · · · · · · · · ·
5-7
Transparent
Mode Test
· · · · · · ·
5-8
I
~
Explanation of SAM
Format
· · · · · · · · · · · · ·
5-10
"
Organization of
SAMs
and Procedures
· · · · · · · ·
5-11
SAM
CRTl
Power Fault Isolation
· · · · · ·
5A-l
SAM
CRT2 Moni tor/Control Problems
· · · · · · · · · 5A-3
SAM
CRT3
Diagnostic
Sel f-Test
Errors
· · · · · 5A-5
Procedure CRTl -
Power
Application/Removal
·
5B-l
Procedure
CRT2
-Hood
Removal/Replacement
·
5B-l
Procedure CRT3
-
Video
Adjustments
· · · · ·
5B-2
Procedure CRT4
- Monitor
PC
Board Replacement
·
5B-4
I/~'
Procedure CRT5 Yoke Replacement
· · ·
5B-6
Procedure CRT6
- High-Voltage Assembly
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Replacemen t · · · · · · · · · · · · ·
5B-7
Procedure
CRT7
- CRT Replacement
· · · · · · · ·
5B-8
Procedure CRT8
-
Logic/Power-Supply
Board
Replacement
· · · · · · · · · · · · · · · · ·
5B-10
Procedure CRT9
-
Keyboard
Assembly Replacement
·
5B-12
Procedure
CRT10 - BRIGHTNESS Control
Checks/
Replacement
· · · · · · · · · · · · · · · · ·
5B-13
Procedure
CRTll
-Swi tch-Panel
Assembly
.. -~
Replacement
· · · · · · · · · · · · · · ·
5B-14
' .. --
Procedure
CRT12 -
Keyboard Swi tch Module
Replacement
· · • · · · · · · · · • · · ·
5B-15
Procedure
CRT13 -
AC
Short-Cireui t Isolation
· ·
SB-17
6. PARTS
DATA
Viking
TTY Display
Terminal SPL
· · · · • · · · · · ·
6-2
,,'
APPENDIXES
A. SPECIAL
CABLES
FOR USE
WITH TERMINAL
· · · · · · · · ·
A:... 1
B.
GENERATING COMMANDS
IN ADVANCED/752 MODE
· · · · ·
B-1
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62940003
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