Removal and Installation Procedures
TDS 520A, 524A, 540A, & 544A Service Manual
6Ć61
' ' %#"' &($" ($ *, %#! ' !" &&&
#* %!#) ' ) &%*& &(%" ' %% &&& '# ' !"
&&& " &$%' ' '*# &&& (% - #% &%*
#'#"
Reassembly: # ' # #*" &(&'$&
Reassemble the chassis: " ' %% &&& '# ' !" &&&
" %"&' ' ) &%*& %!#) " &'$ " ' %#"' &(-
$" '# ' !" &&& " %"&' ' &+ &%*& %!#) "
&'$
NOTE
The following substeps refer you to procedures for installing each
module removed. When reinstalling the modules, ignore any instrucĆ
tions that require connecting a cable or bus to an module that you
have not yet installed. The necessary connections will be made
when you install the missing module later.
Reinstall the innerĆchassis modules: # " ' #%% &' ' # #*-
" $%#(%& " #" '& $%#(%& # '% &'$& "
%)%& #%% & $%#(%& % #(" ("% Procedures for
InnerĆChassis Modules * &'%' #" $ -
H A20 or A30 Display Assembly and Supply Fuse $ -
H A16 Low Voltage Power Supply $ -
Reinstall the outerĆchassis modules: # " ' #%% &' ' # #*-
" $%#(%& " #" '& $%#(%& # '% &'$& "
%)%& #%% & $%#(%& % #(" ("% Procedures for
OuterĆChassis Modules * &'%' #" $ -
H A15 Attenuator Assembly $ -
H Top Cover and Board Brackets $ -
H A11 Processor/Display Board $ -
H A23 SerPar Board $ -
H A29 Video Trigger Board - with option 05 $ -
H A14 D1 Bus and Power Cables $-
H Fan $-
H A10 Acquisition Board $ -
Reinstall external modules: # " ' #%% &' ' # #*" $%#-
(%& " #" '& $%#(%& # ' &'$& " %)%& #%%
& $%#(%& % #(" ("% Procedures for External Modules
* &'%'& #" $ -
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