IEC 60139:2000
(Main)Preparation of outline drawings for cathode-ray tubes, their components, connections and gauges
Preparation of outline drawings for cathode-ray tubes, their components, connections and gauges
IEC 60139:2000 gives guidance on the preparation of outline drawings of cathode-ray tubes (CRTs), tube components, tube sub-assemblies and ancillary components with the object of encouraging the same practice when publications are prepared in different countries. These recommendations are contained in the specimen drawings, descriptive text and in the tables of required dimensions.
Préparation des dessins d'encombrement des tubes à rayons cathodiques, de leurs composants, de leurs connexions et de leurs calibres
L'IEC 60139:2000 sert de guide pour la préparation des dessins d'encombrement des tubes à rayons cathodiques (CRT), composants de tube, sous-ensembles de tubes et composants accessoires avec pour objet d'encourager une pratique identique lorsque les publications sont préparées dans des pays différents. Ces recommandations sont contenues dans les dessins des spécimens, le texte descriptif et les tableaux des dimensions requises.
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INTERNATIONAL IEC
STANDARD
Second edition
2000-12
Preparation of outline drawings for
cathode-ray tubes, their components,
connections and gauges
Préparation des dessins d'encombrement
des tubes à rayons cathodiques, de leurs composants,
de leurs connexions et de leurs calibres
Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example,
edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the
base publication incorporating amendment 1 and the base publication incorporating
amendments 1 and 2.
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INTERNATIONAL IEC
STANDARD
Second edition
2000-12
Preparation of outline drawings for
cathode-ray tubes, their components,
connections and gauges
Préparation des dessins d'encombrement
des tubes à rayons cathodiques, de leurs composants,
de leurs connexions et de leurs calibres
IEC 2000 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
Commission Electrotechnique Internationale
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International Electrotechnical Commission
For price, see current catalogue
– 2 – 60139 © IEC:2000(E)
CONTENTS
Page
FOREWORD . 4
Clause
1 Scope . 5
2 Normative references. 5
3 Definitions. 5
3.1 Terms and definitions . 5
3.2 Units and symbols . 8
4 General requirements . 8
4.1 Required views . 8
4.2 General rules and guidelines for the outline drawings . 8
5 Specific requirements . 9
5.1 Specific requirements of CRT outline drawings . 9
5.1.1 Front view of the CRT . 9
5.1.2 Top view of the CRT . 9
5.1.3 Side view of the CRT . 9
5.1.4 Diagonal view of the CRT. 10
5.1.5 Clearance regions for the band junctions . 10
5.1.6 Mounting lugs . 10
5.1.7 Clearance region for integral neck components. 10
5.2 Specific requirements for glass outline drawings. 10
5.2.1 CRT panel. 10
5.2.2 CRT funnel. 11
5.2.3 Reference line gauge . 11
5.2.4 Beam clearance gauge . 11
5.3 Specific requirements of CRT connection drawings. 11
5.3.1 CRT base mechanical outline. 12
5.3.2 CRT base connection table . 12
5.3.3 CRT anode outline drawings . 12
Specimen outline drawings
Figure 1 – Front view of the CRT. 13
Figure 2 – Top view of the CRT . 14
Figure 3 – Side view of the CRT. 15
Figure 4 – Diagonal view of the CRT . 16
Figure 5 – Clearance regions for the band junctions. 17
Figure 6 – Mounting lug detail . 18
Figure 7 – Clearance region for integral neck components . 19
Figure 8 – CRT panel contour defined by radii. 20
Figure 9 – CRT panel contour defined by equation . 21
Figure 10 – CRT funnel . 22
60139 © IEC:2000(E) – 3 –
Page
Figure 11 – CRT funnel contour table . 23
Figure 12 – Yoke reference line gauge defined by equation. 24
Figure 13 – Yoke reference line gauge defined by radii . 25
Figure 14 – Beam clearance gauge defined by equation. 26
Figure 15 – Beam clearance gauge defined by radii . 27
Figure 16 – CRT base mechanical outline . 28
Figure 17 – Example of CRT base connection table . 29
Figure 18 – CRT anode button . 30
– 4 – 60139 © IEC:2000(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PREPARATION OF OUTLINE DRAWINGS FOR CATHODE-RAY TUBES,
THEIR COMPONENTS, CONNECTIONS AND GAUGES
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60139 has been prepared by IEC technical committee 39:
Electronic tubes.
This second edition cancels and replaces the first edition, published in 1962, and constitutes
a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
39/254/FDIS 39/256/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 3.
The committee has decided that the contents of this publication will remain unchanged until
2005. At this date, the publication will be
reconfirmed;
withdrawn;
replaced by a revised edition, or
amended.
60139 © IEC:2000(E) – 5 –
PREPARATION OF OUTLINE DRAWINGS FOR CATHODE-RAY TUBES,
THEIR COMPONENTS, CONNECTIONS AND GAUGES
1 Scope
This International Standard gives guidance on the preparation of outline drawings of cathode-
ray tubes (CRTs), tube components, tube sub-assemblies and ancillary components with the
object of encouraging the same practice when publications are prepared in different countries.
These recommendations are contained in the specimen drawings, descriptive text and in the
tables of required dimensions.
2 Normative references
The following normative documents contain provisions which, through reference in this text,
constitute provisions of this International Standard. For dated references, subsequent
amendments to, or revisions of, any of these publications do not apply. However, parties to
agreements based on this International Standard are encouraged to investigate the possibility
of applying the most recent editions of the normative documents indicated below. For undated
references, the latest edition of the normative document referred to applies. Members of IEC
and ISO maintain registers of currently valid International Standards.
IEC 60027-1:1995, Letter symbols to be used in electrical technology – Part 1: General
IEC 60050 (all parts), International Electrotechnical Vocabulary (IEV)
IEC 60617 (all parts), Graphical symbols for diagrams
ISO 1000: SI units and recommendations for the use of their multiples and of certain other
units
3 Definitions
3.1 Terms and definitions
For the purpose of this International Standard, the following definitions apply.
3.1.1
anode button
conductive contact which provides electrical continuity from the outside of the insulating
envelope to the anode electrode inside the tube
3.1.2
axes of the CRT
3.1.2.1
principal axis
axis perpendicular to the panel and the phosphor screen which passes through the centre
point of the panel, the funnel, deflection yoke region and the electron gun
– 6 – 60139 © IEC:2000(E)
3.1.2.2
major axis
axis in the direction of the longer dimension of the CRT screen which passes through and is
perpendicular to the principal axis, normally the horizontal axis
3.1.2.3
minor axis
axis along the shorter dimension of the CRT screen which passes through and is
perpendicular to the principal axis, normally the vertical axis
3.1.2.4
diagonal axis
axis connecting opposite corners of the CRT screen
3.1.3
band
hardware that surrounds the CRT panel and 1) holds the mounting lugs and implosion safety
hardware to the CRT, 2) applies compressive loads to the panel for mechanical safety and 3)
contains the panel glass temporarily in the event of breakage
NOTE This band may be mechanically tensioned and joined at a junction; it may be joined to the CRT with resin,
or it may also be a single piece that is thermally shrunk over the panel (so called shrink-fit).
3.1.4
beam clearance
clearance between the electron beam path and the flare region of the funnel connecting the
CRT neck to the body of the funnel
NOTE Prevention of beam impact on the glass is critical for proper operation.
3.1.5
centre face thickness (CFT)
thickness of the panel at its centr
...
IEC 60139 ®
Edition 2.0 2000-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Preparation of outline drawings for cathode-ray tubes, their components,
connections and gauges
Préparation des dessins d'encombrement des tubes à rayons cathodiques, de
leurs composants, de leurs connexions et de leurs calibres
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 60139 ®
Edition 2.0 2000-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Preparation of outline drawings for cathode-ray tubes, their components,
connections and gauges
Préparation des dessins d'encombrement des tubes à rayons cathodiques, de
leurs composants, de leurs connexions et de leurs calibres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.100 ISBN 978-2-8322-3066-4
– 2 – IEC 60139:2000 © IEC 2000
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Definitions . 6
3.1 Terms and definitions. 6
3.2 Units and symbols . 9
4 General requirements . 9
4.1 Required views . 9
4.2 General rules and guidelines for the outline drawings . 9
5 Specific requirements . 10
5.1 Specific requirements of CRT outline drawings . 10
5.1.1 Front view of the CRT . 10
5.1.2 Top view of the CRT . 10
5.1.3 Side view of the CRT . 10
5.1.4 Diagonal view of the CRT . 11
5.1.5 Clearance regions for the band junctions . 11
5.1.6 Mounting lugs . 11
5.1.7 Clearance region for integral neck components . 11
5.2 Specific requirements for glass outline drawings . 11
5.2.1 CRT panel . 11
5.2.2 CRT funnel . 12
5.2.3 Reference line gauge . 12
5.2.4 Beam clearance gauge . 12
5.3 Specific requirements of CRT connection drawings . 12
5.3.1 CRT base mechanical outline . 13
5.3.2 CRT base connection table . 13
5.3.3 CRT anode outline drawings . 13
Figure 1 – Front view of the CRT . 14
Figure 2 – Top gview of the CRT . 15
Figure 3 – Side view of the CRT . 16
Figure 4 – Diagonal view of the CRT . 17
Figure 5 – Clearance regions for the band junctions . 18
Figure 6 – Mounting lug detail . 19
Figure 7 – Clearance region for integral neck components . 20
Figure 8 – CRT panel contour defined by radii . 21
Figure 9 – CRT panel contour defined by equation. 22
Figure 10 – CRT funnel . 23
Figure 11 – CRT funnel contour table . 24
Figure 12 – Yoke reference line gauge defined by equation . 25
Figure 13 – Yoke reference line gauge defined by radii . 26
Figure 14 – Beam clearance gauge defined by equation . 27
Figure 15 – Beam clearance gauge defined by radii . 28
Figure 16 – CRT base mechanical outline . 29
Figure 17 – Example of CRT base connection table . 30
Figure 18 – CRT anode button . 31
– 4 – IEC 60139:2000 © IEC 2000
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PREPARATION OF OUTLINE DRAWINGS FOR CATHODE-RAY TUBES,
THEIR COMPONENTS, CONNECTIONS AND GAUGES
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60139 has been prepared by IEC technical committee 39:
Electronic tubes.
This second edition cancels and replaces the first edition, published in 1962, and constitutes
a technical revision.
This bilingual version
...
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