Tektronix 2235 User Manual

Item
Ca b inet and
F ront
P a
n
el
F ront- pa
n
el Co
n
trols
Connectors
Carryi ng
H
a nd le
Accessories
R esisto
r
s
Ca p acitors
C h assis
Item
Circuit B oar d s
Solder Co nn ectio
n
s
W iring a
n
d Ca b les
Ta b le 6-2
E
xte
rn
al
I n
s p ectio
n
C
h
ec
k
list
Ins
p ect
F
o
r

Ι

R
ep ai
r
Actio n
M
ai
n
te
n
a
n
ce-2235 Service
Crac
k
s, scratc
h
es, deformations, and damaged

Touc
h
up paint a
n
d re p lace d efective p arts .
h
ardware or gas
k
ets .
M issing,
damaged, or loose
k
nob s, b utto
n
s, a
n
d

R
ep air o
r
re p lace missi ng or defective items .
controls .
B ro
k
e
n
sh ells, c
r
ac
k
ed insulatio
n ,
a
n
d d eforme d

R ep lace d efective p arts . Clean or was h o u t d irt .
contacts . Dirt
in
connectors .
Co
rr
ect op eration
.
M issing
items o
r p
a
r
ts of items, b e
n
t p
i n
s,
bro
k
en or
fr
ayed cables, and damaged
conn ectors .
L oose, b ro
k en,
o
r
co
rr
oded solder con
n
ectio
n
s .

Clean solder corrosion
wit h
an e
r
ase
r
and
fl
u s
h
B
u
r
ned circuit b oards .
B
urned, b ro
k en,
o
r wit h
iso pr opyl alco
h
ol
. R
esol de
r
d efective
crac
k
ed
circuit-run plating .

connections .
Determine
cause of b u
r
ned items
and repair
. R
e p
air
defective circuit runs .
B
urned, crac
k
ed, bro
k en,
o
r
blistered .
Cold solde
r
or
rosin j oints
.

Ι
R
esolder j
oint
and clean
wit h
isopropyl alco
h
ol
.
Damaged o
r
lea
k ing
cases . Corroded solder on

R
ep lace defective ca p acitors . Clean solder
leads or
terminals
.

~
connections and flus
h wit h
isopropyl alco
h
ol
.
L
oose plugs or connectors . Bu
r n
ed, bro
k
e
n ,
or
frayed
wiring .
Dents,
deformatio n s, and damage d ha rd ware .
If any
electrical
com po n ent is re p laced, conduct αP erfor-

CLE A N I N
G . To clean
t h e i n terior,
blow
off
dust
wit h
dry,
mance C heck of t h e affecte d circ u it and of ot
h
er closely

low-pressure air (approximately 9 p si) . R emove any remain-
related circuit (see Sectio n 4) . If re p air or re p lacement wo rk

i n g dust wit h α soft brus h o r α clot h d am pe ned wit h α sol u -
is doneon any of t h e p owe
r
s upp lies, conduct α complete

tio n of mild detergent an d water . Α cotto n -ti pped a pp licator
P erformance C heck a nd,
if
so
in
d icated, an
instrument
read-

is useful for cleaning in narrow s p aces and on circuit boards .
j ustme n t (see Sectio
n
5) .
CA U TIO N
To
prevent d amage from elect r ical a r ci n g, e nsur e t h at
circuit boards and com p on ents are dry b efore a pp ly-
ing
power to
t h
e
instrume n t .
Table 6-3
I n
te
rn
al
I n
s p ectio
n
C
h
ec
k
list
R ep lace d efective p arts .
R
eplace damaged or missi n g items, frayed
ca b les, a
n
d defective p arts .
I
nspect
F
o
r
I

R
e p ai
r
Actio
n
R
eplace defective resistors . C
h
ec
k
for cause of
burned component and repair as necessary .
F irmly
seat
con n ectors . R ep air
or re p lace
d efective wires or ca b les .
St r aig h te n , re p ai r , or re p lace d efective
h a r d ware .
If t h ese met h ods do not remove all t he dust or dirt, t he
i n st ru ment may b e sp
r
ay was
h
ed
using
α solutio
n
of 5°/
ε
mild dete
r
gent and 95% wate
r
as
follows
:
1 .
Gain access to t
h
e parts to be cleaned (see "
R
emoval
and R
e p
laceme n t I n str u ctio n s") .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English