Wang 2436DW Manuel utilisateur
'
-WANG,
3401
2436DW/DE INTERACTIVE TERMINAL
Custcmer Engineering
Product Maintenance Manual
COMPANY CONFIDENTIAL
741-1727
PREFACE
This document
is
the Illustrated Product Maintenance Manual for the Wang
2436DW/DE Interactive Terminal.
The
scope of this manual reflects the type of
maintenance philosophy selected for this product (swap unit, printed circuit
assembly, power supply, or any combination thereof).
The
purpose of this manual
is
to provide instructions to operate, trouble-
shoot,
and
repair the 2436DW/DE Interactive Terminal. It will
be
updated
on
a
regular schedule.
First Edition (April, 1986)
This
is
the first edition of the Wang 2436DW/DE Product Maintenance Manual.
The
material
in
this document may only
be
used for the purpose stated
in
the
Preface. Updates and/or changes to this document will
be
published
as
PUBs or
subsequent editions.
®Copyright 1986 by WANG Laboratories, Inc.
741-1727 Page ii COMPANY CONFIDENTIAL
CUSTOMER
ENGINEERING
PUBLICATION
UPDATE
BULLETIN
TITLE:
2436
DW/DE
Interactive
Terminal
This
PUB
affects:
741-1727
742-1727
Previous Notice(s):
None
REASON
FOR
CHANGE:
DATE:
04/02/87
CLASS
CODE:
3401
This
PUB
corrects
and
adds
part
numbers.
It
also
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switch
settings
for
even
parity
and
7
data
bits.
INSTRUCTIONS:
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3.
4.
5.
6.
7.
8.
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10.
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~~~REM~O_VE~~PA_G~E=S=----~-'
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page.
WANG
LABORATORIF'S
INC
ONE
INDUSTRIAL
AVENUE
LOWELL
MASSACHUSETTS
01851
TEL
16171
459
5000
TWX
110
343
6169
TELEX
94
7421
PRINTED IN U.S.A.
COMPANY
CONFIDENTIAL
741-1727-1
COMPANY
PROPRIETARY
STATEMENT
This
document
is
the
property
of
Wang
Laboratories,
Inc.
All
information
contained
herein
is
considered
Company
Proprietary,
and
its
use
is
restricted
solely
to
assisting
you
in
servicing
Wang
products.
Neither
this
document
nor
its
contents
may
be
disclosed,
copied,
revealed,
or
used
in
whole
or
in
part
for
any
other
purpose
without
the
prior
written
permission
of
Wang
Laboratories,
Inc.
This
document must be
returned
upon
request
of
Wang
Laboratories,
Inc.
©Copyright 1987,
Wang
Laboratories, Inc.
COMPANY
CONFIDENTIAL
TABLE
OF
CONTENTS
SECTION 1
INTRODUCTION
Page
1.1
SCOPE
AND
PURPOSE
--------------------------
·---------------
1-1
1.2 ORGANIZATION AND
LAYOUT
----------------------------------
1-2
SECTION 2
IDENTIFICATION
Page
2.1
MAJOR
ASSEMBLIES
--------------------------------------------
2-1
2.2
ELECTRONICS
BASE
UNIT
MAJOR
PARTS
·----------------------
2-2
SECTION 3
CONTROLS
AND
INDICATORS
Page
3.1
OPERATOR
CONTROLS __________________________________________
3-1
3.1.1
Electronics Base Unit Front
Panel
Controls
________________________
3-1
3.1.2 Electronics
Base
Unit
Rear
Panel
Controls_________________________
3-2
3.1
.3
Video Monitor Front
Panel
Controls ______________________________ 3-3
3.1.4 Keyboard Controls _______________________________________________ 3-4
741-1727 Page iii COMPANY CONFIDENTIAL
----~~--
-----------------
TABLE
OF
CONTENTS
SECTION 4
OPERATION
Page
4.1
POWER-UP
AND
8.1.T.
DIAGNOSTIC PROCEDURE
_______________
4-1
4.2 POWER-DOWN PROCEDURE
-------------------------------------
4-2
SECTION 5
PREVENTIVE
MAINTENANCE
Page
5.1
MATERIALS REQUIRED
------------------------------------------
5-1
5.2 PM SCHEDULE
---------------------------------------------------
5-2
5.3 CLEANING
,L\ND
INSPECTION
-----------------------------------
5-3
S.4
CHECKS
AIND
ADJUSTMENTS
-----------------------------------
5-4
741-1727
Page iv COMPANY CONFIDENTIAL
TABLE
OF
CONTENTS
SECTION 6
TROUBLESHOOTING
Page
6.1
TOOLS AND
EQUIPMENT----------------------------------------
6-1
6.2 TROUBLESHOOTING FLOWCHARTS
______________________________
6-2
6.3 DIAGNOSTICS ____________________________________________________ 6-6
6.3.1 Power-up Diagnostics ____________________________________________ 6-6
6.3.2 Power-up Error Codes
-------------------------------------------
6-7
6.3.3 Power-up and Screen Alignment __________________________________ 6-8
6.3.4 Power-up and Burn-In Mode
--------------------------------------
6-9
6.3.5 Keyboard Test
----------------------------------------------------
6-10
6.3.6 Diagnostic Override
----------------------------------------------
6-11
SECTION 7
REPAIR
Page
7.1
TOOLS AND TEST
EQUIPMENT-----------------------------------
7-1
7.2 REMOVAL PROCEDURES
-----------------------------------------
7-2
7.2.1 Electronics Base Unit Cover Removal
·-----------------------------
7-2
7.2.2 Base Unit Power Supply
Removal----------------------------------
7-3
7.2.3 Base Unit Printed Circuit Board Removal
__________________________
7-4
7.2.4
Monitor
Video Printed Circuit Board Removal
______________________
7-5
741-1727
Page v COMPANY CONFIDENTIAL
TABLE OF CONTENTS
SECTION 8
ADJUSTMENTS Page
8.1
TOOLS AND
EQUIPMENT-----------------------------------------
8-1
8.1
.1
Special Tools
______________________________________________________
8-1
8.2 ELECTRICAL
ADJUSTMENTS--------------------------------------
8-2
8.2.1 Electronics Base Speaker and Keyboard Clicker.
____________________
8-2
8.2.2 Video
Monitor
Printed Circuit
Board--------------------------------
8-3
SECTION 9
UNPACKING AND SETUP Page
9.1
INSTALLATION SITE
CHECK--------------------------------------
9-1
9.2 TOOLS
AND
TEST EQUIPMENT
-----------------------------------
9-2
9.3 UNPACKING PROCEDURES
---------------------------------------
9-3
9.3.1 Unpacking and Inspecting Electronics Base
_________________________
9-3
9.3.2 Unpacking and Inspecting
Monitor---------------------------------
9-4
9.3.3 Unpacking and Inspecting
Keyboard--------------------------------
9-5
9.4 SWITCH SETIINGS
_________________________________________________
9-6
9.4.1 Electronics Base Line Voltage Select Switch
________________________
9-6
9.4.2 Electronics Base Baud Rate Select Switch
__________________________
9-7
9.5 CONNECTIONS
---------------------------------------------------
9-8
9.5.1 Terminal Rear Panel Connections
__________________________________
9-8
9.6 VOLTAGE CHECKS
------------------------------------------------
9-9
9.6.1 Power Supply
DC
Voltage Checks
_________________________________
9-9
741-1727
Page
vi
COMPANY CONFIDENTIAL
TABLE
OF
CONTENTS
SECTION 10
FUNCTIONAL DESCRIPTION
Page
10.1
INTRODUCTION
___________________________
-
__
---
___
-
___
-________
10-1
10.2
BLOCK
DIAGRAM
DESCRIPTION--------------------------------
10-2
11.1
EQUIPMENT
SECTION
11
SPECIFICATIONS
SECTION 12
ILLUSTRATED PARTS
Page
11-1
Page
12.1
MAJOR
ASSEMBLIES--------------------------------------------
12-1
12.1
.1
System Components ____________________________________________
12-1
12.1.2 Electronics Base Assembly .______________________________________ 12-2
741-1727 Page vii COMPANY CONFIDENTIAL
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