See  parts  list  for  late
comDonent-value  changes
FROM CATH.,PIN7,V493 
INTERNAL  TRIG. CF  -
t
-~
(UPPER BEAM VERT. AMP.)
FROMCATH., PIN 7, V 493 
INTERNAL  TRIG. C F
INTERNAL  TRIli. '.r   -  - r -
(LOV/ER BEAM VERT. AMP.)  -L
,
-----
O AC
j  INPUT  1  Y
MODIFIED  INSi kUMENT
The  instrument  for  which  this  manual 
was  prepared  has  bean  modified.  A 
special  sheet  has  been  inserted  in  the 
manual  containing  information  relative 
to  this  section.
TIME-BASE  TRIGGER
TYPE  502  OSCILLOSCOPE
A