Tektronix CSA 803C User manual

Service Manual
CSA 803C
Communications Signal Analyzer
070-9974-01
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.

Copyright ©Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.


!                   "  
    "       "  !       
              !    
       "   " !      !   "
                
         " !     ! 
"                  "    ! 
        "     !  "   
   "  
 "   "  "      "       
  !          "        "
   !              
                   
              "    
               
            
           
             
               
           
       

EC Declaration of Conformity
We
Tektronix Holland N.V.
Marktweg 73A
8444 AB Heerenveen
The Netherlands
declare under sole responsibility that the
CSA 803C Communications Signal Analyzer
meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility and Low
Voltage Directive 73/23/ECC for Product Safety. Compliance was demonstrated to the
following specifications as listed in the Official Journal of the European Communities:
EMC Directive 89/336/EEC:
EN 55011 Class A Radiated and Conducted Emissions
EN 50082-1 Immunity:
IEC 801-2 Electrostatic Discharge Immunity
IEC 801-3 RF Electromagnetic Field Immunity
IEC 801-4 Electrical Fast Transient/Burst Immunity
IEC 801-5 Power Line Surge Immunity
Low Voltage Directive 73/23/EEC:
EN 61010-1 Safety requirements for electrical equipment for
measurement, control, and laboratory use
Tektronix, Inc. claims compliance to the EMC Directive 89/336/EEC for the following
products when they are used with the above named product:
SD-20
SD-22
SD-24
SD-26
SD-30
SD-32
SD-42
SD-46
SD-51

Declaration of Conformity
with Electromagnetic Compatibility Standards
as Required under the Radiocommunications Act
We
Tektronix, Inc.
of
Tektronix Australia Pty Limited
80 Waterloo Road
North Ryde NSW 2113
Supplier Code: N60
declare under sole responsibility that the
CSA 803C Communications Signal Analyzer
to which this declaration relates is in conformity with the following standards:
AS/NZS 2064.1/2 Industrial, Scientific, and Medical Equipment: 1992
Tektronix, Inc. claims conformity to the standards for the following products when they
are used with the above named product:
SD-20
SD-22
SD-24
SD-26
SD-30
SD-32
SD-42
SD-46
SD-51

    i
 
Product
upport
For applicationĆoriented questions about a Tektronix measurement
product, call toll free in North America:
1Ć800ĆTEKĆWIDE (1Ć800Ć835Ć9433 ext. 2400)
6:00 a.m. - 5:00 p.m. Pacific time
Or, contact us by eĆmail:
[email protected]
For product support outside of North America, contact your local
Tektronix distributor or sales office.
ervice
upport
Contact your local Tektronix distributor or sales office. Or, visit our web
site for a listing of worldwide service locations.
http://www.tek.com
For other
information
In North America:
1Ć800ĆTEKĆWIDE (1Ć800Ć835Ć9433)
An operator will direct your call.
To write us Tektronix, Inc.
P.O. Box 1000
Wilsonville, OR 97070Ć1000

 
 
ii

CSA 803C Service Manual iii
Table of Contents
Contacting Tektronix i.........................................
General Safety Summary xvii.....................................
Service Safety Summary xix.....................................
Specifications
Operating Information
Sampling Hea Installation an Removal 2Ć2..................
Power Information 2Ć4.......................................
Power Cor Information 2Ć5..................................
Memory Backup Power 2Ć6...................................
Operating Environment 2Ć6...................................
  
  
Packaging for Shipment 2Ć7..................................
Theory of Operation
System Functional Overview 3Ć3.................................
Acquisition System Block 3Ć3................................
Strobe Distribution Block 3Ć3.................................
Time Base/Controller Block 3Ć3...............................
Trigger Select Block 3Ć3......................................
Executive Processor Block 3Ć4...............................
Memory Management Unit Block 3Ć4..........................
Waveform Memory Block 3Ć4.................................
Front Panel Controls 3Ć5.....................................
I/O Block 3Ć5................................................
Waveform Compressor an Display Control Block 3Ć5.........
Power Supply 3Ć6...........................................
Typical Waveform Processing Cycle 3Ć6.......................

Table of Contents
Contents
iv
Block Diagram Descriptions 3Ć7.................................
A1 M/F Strobe Drive Boar 3Ć7...............................
$7$ 8))(56 =
''5(66 $7&+ =
81&7,21 (&2'(5 =
17(51$/ /2&. $7( (1(5$725 =
21752/ 8))(5 =
A3 M/F Power Connect Boar 3Ć8.............................
A4 Regulator Boar 3Ć8......................................
#2/7$*(=$8/7 (7(&7 =
A5 Time Base/Controller Boar 3Ć9...........................
,&52352&(6625 =
 (025; =
!5,**(5 =
!,0( $6( =
&48,6,7,21 ;67(0 17(5)$&( =
(025; $1$*(0(17 "1,7 " 17(5)$&( =
A7 CRT Socket Boar 3Ć12....................................
(' 5((1 $1' /8( #,'(2 03/,),(56 =
(' 5((1 $1' /8( '-8670(176 =
219(5*(1&( '-8670(17 =
A8 CRT Driver Boar 3Ć13.....................................
25,<217$/ :((3 =
#(57,&$/ :((3 =
,*+ #2/7$*( $1' 5,' #2/7$*( (1(5$725 =
(*$866 =
($0 855(17 ,0,7 =
5,' ,$6 =
A9, A10, an A11 Front Panel Boar s 3Ć14......................
!28&+ $1(/ $-25 (18 (;6 $1' (18 7$786 6 =
 !28&+ $1(/ 66(0%/; =
 5217 $1(/ 21752/ 2$5' =
 5217 $1(/ 87721 2$5' =
A12 Rear Panel Assembly 3Ć16................................
 $7$ $1' ''5(66 86 =
7$1'$5'  == 21752//(5 =
5,17(5 257 =
A13 Mother Boar 3Ć18.......................................
A14 Input/Output (I/O) Boar 3Ć18.............................
 $7$ 8))(5 =
 (/$;(' $7$ 8))(5 =
!,0(5 21),*85$7,21 =
($/ !,0( /2&. =
(5,$/ $7$ 17(5)$&(   =
!21( (1(5$725 =
!(03!21( ($'%$&. 8))(5 =