Tektronix TDS 620A, Service Manual

Page: 54 / 288

2Ć10
'&+!* , '$$'/!& !&'*%,!'& / & 1'- ('/* '& '* ('/* ' ,
!&+,*-%&, '* / & ('/* !+ !&,**-(, - ,' & 0,*&$ ('/* !$-*
('& ('/* '& , '+!$$'+'( *-&+ !,+ ('/*3'& +$ # !, (+++
, '+!$$'+'( !+($1+ 2(++ +,,-+ %++ & (*'%(, ,' (*++
,' '&,!&- !, !$+ , '+!$$'+'( !+($1+ !&'+,!
$' , , !&,!!+ , *+ , , !$ & (*'%(, ,' (*++
,' '&,!&- ,!'& Maintenance '* !&'*%,!'& '& !&'+,!+ &
-$, !+'$,!'&
CAUTION
DO NOT power off the oscilloscope when either running a signal
path compensation or when doing any of the adjustments deĆ
scribed in Section 5, "-+,%&, *'-*+ To do so might result
in the loss of internally stored adjustment constants.
& &*$ ' &', ('/* ' , !&+,*-%&, / & '!& '(*,!'&+ , ,
, , , ,1(+ $!+, !& $ 3 !, '* , !&+,*-%&, ,' !&!+ ,
'(*,!'& / & '!& "-+,%&,+ +.!& /.'*%+ '* +.!& +,-(+
%(*'(* ('/* ' '* -&0(, $'++ ' ('/* ,' , '+!$$'+'( &
*+-$, !& , '$$'/!& '**-(,!'&+ ' &'&3.'$,!$
'$$'/!& ,$ +*!+ , %+++ !+($1 / & ('/* !+ *+,'*
,* & &'*%$ ('/* '
!#"
Adjustment Constants:
H !&$ , '%(&+,!'& +!&$ (, '%(&+,!'& !+ *)-!*
H '$, *& .'$, **& "-+,%&, !+ *3
)-!* ,!'&
H *)-&1 +('&+ *)-&1 *+('&+ "-+,%&, !+
*)-!* ,!'&
Error Log **'*+ $' * $'+,
Reference Waveforms .'*% '+,
Saved Setups ,-( '+,