Model
8903B
Service
and blue right extractor. Thus. the color code
of
A6
is
06.)
Assembly
A
I
is part
of
the front-panel assembly of
the
i
nst r
ti
men
t
.
8-14.
Parts
and
Cable
Locations
The locations
of
individual conlponents mounted
on
printed-circtlit boards
or
other assemblies a1.e sIloM/n
adjacent
to
the
schematic diagram
on
the appropriate service sheet. The part reference designatol. is the
assembly clesignatol-
plus
the part designator. For example.
A6R9
is
R9
on
the
A6
asselnbl!.
For
specific
component descriptions and ordering information. refer
to
Table
6-3.
Rcplncwhlrf
Pm\,
in
Section
6.
Chassis
and
franie parts.
as
well
as
mechanical parts and cables, are identified
on
Figtlres
6-1
throtlgh
6-5.
In
addition,
Service Sheets
A
and
B
in
this section contain illustrated parts breakdowns that locate many mechanical parts
and cables.
Major
niechanical parts
ha\;e
reference designations that begin with
the
letters
MP.
Other. mechanical parts,
such
as
screws. are listed
in
the replaceable-parts list below. the part
to
which they Listen.
To
find the part
number
and
description
ot’a
mechanical part, find the part
in
one
of
the
figtires
in
Section
6
or
Section
8.
The part
in
the
figtire
Mill
be labeled
with
its reference designator.
Look
LIP
that i.efer.ence designator
in
the
Rqdrrcwihlc~
Pur!)
table.
If
the part
is
n
fastener. such
as
a
screw. nut, or washer. look
to
the figure for
the
part
to
which
it
fastens.
Then.
look
tip
the fastened part
in
the
parts list.
Just
below
it
are the part ntlnibers
and
description of the desi red 1iaidM.al.e.
8-3
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