Tektronix TAS 455, Service Manual

Page: 207 / 226

Diagrams and Circuit Board Illustrations
Diagrams
9Ć2
Locator Grid
/).$*) '*&
$.'
Board Outline
). ,)' , 1
%/-.( ).
Onboard Jumper
Digital Ground
! , .* -- ('3
$",( /( ,
!! *,
*)) .*,
.$0 *1
$")'
$")' ,*(
)*.# , $",(
( *,
-- ('3 /( ,
*, (
Power Termination
.,+
) '
*).,*'
' *2$'
*)) .*,
(' *2$'
*)) .*,
Heat Sink
*/+'
*'."
Diagram Number
Diagram Name
*(+*) ). *)
& *! *,
Assembly Number
! , .* 0 !*,(
-- ('3 /( ,
Figure 9Ć1:ăGraphic Items and Special Symbols Used in This Manual
# -# (.$ $",( ) $,/$. *, *(+*) ). '*.$*) $''/-.,.$*)-
#0 ",$- '**&/+ .' $- +,*0$ !*, - *! '*.$)" *(+*) ). #
$,/$. *, $''/-.,.$*) *)'3 ++ ,- *) $.- '**&/+ .' '$-.- .# $",(
)/( , *! '' $",(- .#. .# $,/$.,3 ++ ,- *)
*( *! .# $,/$. *, *(+*) ). '*.$*) $''/-.,.$*)- , 2+) )
$0$ $).* - 0 ,' +,.- .* (& $. -$ , !*, 3*/ .* '*. -('' *(+*4
) ).- * . ,($) 1#$# +,. *! .# 1#*' '*.*, $",( 3*/ , '**&$)"
. , ! , .* .# -('' '*.*, & 3 +*-$.$*) . .# /++ , ' !. *! # $,/$.
*, *(+*) ). '*.*, $",( - -#*1) $) $"/, 4 # ",3 '*&
1$.#$) .# '," , $,/$. *, */.'$) -#*1- 1# , .#. +,. !$.- $) .# 1#*'
'*.*, $",( # +,. $) .# & 3 $- ' ' 1$.# ) $ ).$!3$)" ' .. ,
1#$# ++ ,- $) .# !$"/, .$.' - /) , *(+*) ). '*.*, $",(-
A B
D C
.$*) *! $,/$.
*, #*1)
Figure 9Ć2:ăCircuit Board Component Locator Diagram Key
Component Locator
Diagrams