Brief Procedures
TDS 520A, 524A, 540A, & 544A Service Manual
4Ć7
Initialize the oscilloscope:
H ,-- -0,&& SETUP
H ,-- ." '#(5'(/ /..)( Recall Factory Setup
H ,-- ." -#5'(/ /..)( OK Confirm Factory Init
Verify that all input channels operate: ) ." )&&)1#(! -/-.*-Ċ .-.
#,-. skipping substepa since CH 1 is already set up for verification
from step 1.
Select an unverified channel:
H ,-- WAVEFORM OFF .) ,')0 ,)' #-*&2 ." "((& $/-.
0,# #
H ,-- ." ,)(.5*(& /..)( .". ),,-*)(- .) ." "((& 2)/
, .) 0,# 2
H )0 ." *,) .) ." "((& 2)/ -&.
Set up the selected channel:
H ,-- AUTOSET .) ).#( 0#1& .,#!!, #-*&2 #( ."
-&. "((&
H . ." "),#3)(.& SCALE .) m- ,-- CLEAR MENU .)
,')0 (2 '(/ .". '2 )( ." -,(
Verify that the channel is operational: )( #,' .". ." )&&)1#(!
-..'(.- , .,/
H " 0,.#& -& ,)/. ), ." "((& /(, .-. -")1-
-..#(! ) ' ( -+/,510 *,)5)'*(-.#)( -#!(&
)/. #0#-#)(- #( '*&#./ #- )(5-,( #!/,5 )(
*! 5 .) &). ." ,)/.
H " 0,.#& POSITION %() ')0- ." -#!(& /* ( )1( ."
-,( 1"( ,)..
H /,(#(! ." 0,.#& SCALE %() )/(.,&)%1#- ,-- ."
'*&#./ ) ." 10 ),' )(5-,( ./,(#(! ." %() &)%1#-
#(,-- ." '*&#./ ( ,./,(#(! ." %() .) '
,./,(- ." '*&#./ .) )/. #0#-#)(-
Verify that the channel acquires in all acquisition modes: ,-- SHIFT
."( *,-- ACQUIRE MENU - ." -# '(/ .) -&. #( ./,(
" ) ." #0 ",1, +/#, ')- ( )( #,' .". ." )&&)15
#(! -..'(.- , .,/ , .) ." #)(- . ." & . ) " -..5
'(. - 2)/ )( #,' .")- -..'(.-
H Sample ') #-*&2- ( .#0&2 +/#,#(! 10 ),' )(5
-,( ). .". .", #- ()#- *,-(. )( ." *%- ) ."
-+/, 10
H Peak Detect ') #-*&2- ( .#0&2 +/#,#(! 10 ),'
)(5-,( 1#." ." ()#- *,-(. #( '*& ') 4*% 5
..
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