,
,
"
" '
"
.
"~I,
Page·11
., '.
DESICCANT
'9240-0007
" ,
RETAINING
SPRING·
1460-0213
Figurels.
Dessic~nt
Assembly
NOTE
'Desiccant found on 8731A thru 8,735A,
and 8731B thru 8735B with
serial
prefix
815-
ESCUTCHEON
, 0'8731-2028
\~
...
, '
,
RETAINING
SCREW
08731"'216 '
'Test
Equipment
Required.
The test equipment re-
quired
to
make the performance tests are listed'in.
Table 3..Instruments and'accessories
other
than
the
ones listed may be used provided
their.
perfor-.
mance equals or exceeds the Critical Specifications.
tests areperforDled'withou] access
to
the
PIN Mod-
ulator 'interior;
.
there'
is I no need
to
remove PIN
.Modulate»
f~r··
performance checks. The specifics- ,
tions
of
Table .1 are
the
performance .standards.
.
.'
,I, " ,1
Checking
Dessicant
. Inspect desiccant regularly (Figure
15).
and, if it is
pink
~r,
red in color, either
~'\~move
and dry it
o~
re-
place It'.
",
.
.'
\
!
, ,
\ 1,\ I
~
,t
. Performance
Che'cl<
'
::
~orpose.
The procedure detailed, in Table 2 checks
PIN,
Modulator performance for incoming inspec-
tion, periodic evaluation.jmd troubleshootmg, The
Bias
Input
'Check
and
Repair
11\
.
ny
part
of
the
bias-input assembly (Figure 16)
is 'damaged,
it
can be replaced separately. However,
'it is good
practiceto
replace,
the
entire assembly.
. To 'check bias
input
assembly, remove.
the
;PIN
.
Modulatorandm~asure
its resistance with an
, ' I '
ohmmeter: straight through
the
filter resistance
"
shouldpe
less'
than
5 ohms; resistance between,
':QNG
center
conductor
and 'shell should be infinite.
" ' ' " , '
, ,
:./:.~
,,/ ,
"
).
,
,
l,,'
'.
I
,"
II
, I'
-,I
"e.'.···'·
, . .
,
'f',
,
I,
!.(~'
.'\
RETAINING SpRING
1460-0213
ESCUTCHEON
0873l-2028
, CONTACT*
08731-206
FILTER
BODY*
I'
08731-20;4'
(8731/32)'
i
08733-225
(8133/34/35),
*PART
OF
fiLTER, BIAS
ASSEMBLY
08731-600
(8731
AND
8732)
08733-~05
(8733,8734,ANO 8135)
CAPACITdft,
FIXEQ*
08731-2027
.
~
\
,SOFT \
..
'
SuLDER
CONNECTOR,
Bi~~C*""
&PR'NG~
1250':'O!~5"
COMPRESSION
1'460;~O'212
\ ,.
\'
,
.~
..
/':.' '
1
i';gurc'16;
Biasinput Assembly
I
"
,
itt".'
:',',
'
,,",1
',',':
,.',
' ,
I,
'.."
':1
/
,
I' \
'~.
" .
r .'
To Next Page
Loading...