Tektronix 2235 - LOCATING COMPONENTS EXAMPLE

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JW
2235
Service
To i dentify any component
mo u n te d on α circ u it b oar d and
to locate t h at co m pone n t in t h e
appropriate sc he m atic d iag ra m
0
α
ο
Φ
U
α
PULL
OUT PAGE
TA B S
F OR CIRC U IT
B OA RD IL L U ST R ATIO N
5 . L ocate t h e Co mp one n t on t he Circ u it B oar d
1 . L ocate t he Ci
r
c
u it B oa r d Ill u stration
α .

In t h e i n st rum ent i dentify t he Asse
mb ly N u m b er of t h e
circuit boa rd in qu estion
. Th e Asse m bly Num be r is u s u ally
pr inte d on th eu p p
e r left corner of t he ci
r
cuit
boa rd
on
t h e
co mp
onent si d e .
R
4
α .

In the man u al, locate an d pull out t he tabbe d p age w h ose
title an d Assembly Nu mbe
r
correspon
d wit h the desi r ed
ci r cuit boa
rd . Th is infor m ation is on th e back si d e of t he
tabs .
b .

U sing t h e Circu it N u mbe r and g r i d coo rdinates, locate t he
co mp onent on t he Circ u it B oard Ill u stration .
c .

In
t h
e circuit
b
oa r
d
location illustration,
d etermine t he
locatio
n
of t
h e circuit b oa rd in t h e inst rum ent .
d .

F in d t he circ u it b oar d in t h e instr u ment an d compare it
wit h its ill u st ration i n th e ma n u al to locate t he d esi r e d
co m p onent on th e boa r d .
b .

Ιη t
h
e
ma n ual locate and pull o u t ta b be d page
w h ose title
co
rr es p on d s wit h t he Asse m b ly Num
b
er
of t h e ci r cuit
b oa r d . Ci r cu it b oard asse m bly
n
u
mb ers an d boar d
no m enclatu re a r e pr inte
d
on t
h e bac k side of t h e ta bs
(facing t h e rear of t h e ma
n ual) .
ο
~- " . . εα εατ ιο . ι ~ εεη , ρεε .m ια . πεε . .
α ,

ι ~ ' * ' . .4

ι 6+,
~

.

000
ρ

Ι
[6Ύα

ξ
06~5 Γ
~~

τ 8]0
Φι ς
~
ς 533
.
ι
ρ
000 6
2 . Deter m ine τ
1
a .
Compare
th e desi r
τίοη .
b . Scant h ε
fin d th e
c . Determi ι
co mp one
ASSEMBL
Y
N UMBER
AND CI R CU IT

ΙΙ
B OA R D
NAME
4 .
Determine t h e Circ u it B oar d Ill u stratii
L ocatio n
α .

Fr o m th e sch e m atic diagram, d e
ι
N umbe r of t h e ci r c u it boa r d on
ω -
mo u
nte d . T h
is
information
is
b oxes
of t h e h eavy line t h at d isti n g u έ
s
h e!
b .

Scan th e Co mp o n ent L ocation Τε
Num be r ju st determined a nd
f
ί n
d t
h +
desi
r
e
d
co
m p onent
.
C . Un d e r th e BOA R D L OCATIO N c
coordinates fo
r
t
h
e
d
esi
r
e
d
co
mp
s
F igu r e 9-3 . L
ocating components
on
scl%