Inspection and Cleaning
TDS 520A, 524A, 540A, & 544A Service Manual
6Ć7
Inspection Ċ Interior
# '' ( "' # ( #' #'#$ #& "'$(#" " "" && (#
( Removal and Installation Procedures " (' '(#"
"'$( ( "(&" $#&(#"' # ( #' #'#$ #& ! " +& )'"
- ' ) (' #)" '#) &$& !!( ,
", (& !#) ' &$ - " (#" (# ' ( '
"''&, (# )'( ( #' #'#$
CAUTION
To prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the oscilloscope.
TableĂ6Ć3:ăInternal Inspection Check List
Item
Inspect For Repair Action
&)( #&' ##' &#" #& #&&# '# & #"-
"(#"' )&" &)( #&' )&"
&#" #& & &)(-&)" $ ("
!#* !#) " &$ +(
&' !#)
''(#&' )&" & &#" '(&
#"(#"
$ !#) " &$ +(
&' !#)
# & #""(#"' # '# & #& &#'" #"(' '# & #"( " " +( '#$&#$,
##
$(#&' ! #& " '' #&&# '# -
& #" ' #& (&!" '
!#* ! !#) " &$
+( &' !#) &#! ( (#&,
!#")(#&' ##' , "'&( " '#(' '(#&(
$"'
&! , '( ##' '!#")(#&' -
!#* *' (( * '(#&( $"'
&) , '(&(" $"' ' &%)& (# (
( '#( )'" #"-"#' $ &' "
&"'&( &! , "')& (( '(&(""
(#" #' "#( & $"' )'" (!
(# & #
&" " ' ##' $ )' #& #""(#&' )&" &#-
" #& &, +&"
&! , '( #""(#&' $& #& &$
!#) ' +( (* +&' #& '
''' "(' #&!(#"' " ! &-
+&
(&(" &$& #& &$ (*
&+&
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