Tektronix 2235 User Manual

4 . Insert t he lea ds
i n
to t
h
e
h
oles of t
h
e boa
r
d so
t h
at
t h
e

To
reinstall t h
e ca
b i n et, p erform t he following ste ps :
replacement com po
n
ent is positioned
t h
e same as
t h
e
origi-
ηαΙ
component . M
ost com
p
o
n
e
n
ts
sh o u l db e firmly seated
4 . Slide t he ch assis frame i n to t h e ca b inet from t h e fro n t
agai
n
st t
h
e
circuit
board .

u ntil t he cab inet is fully i n to t he fr ont-panel groove and t he
r ear of t he cabinet is fl us h wit h t he rear of t he c h assis .
5 . Touc h t he solderi ng i r o n to t he connection and apply
e
n o ugh solder to ma k e α firm sol de r j oi n t . Do n ot move t he
compone n t w h ile t he solder h a r dens .
6
.
C u t off any excess lead p rotru d i ng t h ro ugh t h e ci r cuit
boar
d (if not clipped to size in ste p 3) .
7 . Clean t he area a r ound t he solder conn ectio n wit h an
a pp roved flux-removing solve n t . Be caref u l n ot to r emove
any of t he p ri n ted information from t he circ u it board .
M ai
n
te
n
ance-2235
Service
5 .
Align t h
e rear- p
anel and t h e side mou n ting h oles wit h
th
e
screw h oles in t he ch assis frame a nd rei n stall t h e t h ree
screws
removed in ste p 2 .
CA U TIO N
To
en sure t h at t he cabinet is gro und ed to t h e i n st r u-
me n t c h assis, t he screw at t he rig h t rear side of t h e
cabinet mustbe tig h tly sec ur ed .
REM O V A L A N D REPL AC EMEN T
6 . R econnect t he p ower cor d ( r ei n stall t he securing
I N STRU CTIO N S

clamp and screw removed i n ste p 1 if app lica b le) .
T he exploded view d rawi n gs in t he " R eplaceable M e-
ch anical P arts" list (Sectio n 9) may b e h el p ful d uri ng t he

Cat h o de- R ay Tu be
removal and r einstallation of i nd ivi du al sub assem b lies o r
com
p onents . Circuit boa r d and com p o nen t locations are
s
h ow n in t he "Diagrams" sectio n .

W A RN I NG
Cabi n et

U se car e w hen handling α crt . B rea k age of t he crt
may cause h ig h -velocity scatteri n g of glass fragme n ts
(im p losion) . Pr otective clot h ing an d safety glasses
WARNING

s h oul d be wor n . A void striking t he crt on any ob j ect
w h ic h may cause it to crac k or im p lode . Wh en storing
α crt, eit he r p lace it i n α pr otective carto n or set it face
To avoi d elect r ic sh oc k , discon n ect t he i n st r ument

d ow n on α smoot h surface in α pr otecte d locatio
n
with
from t he ac-power-in p ut so u rce befo r e r emoving or

α soft mat unde r t h e face p late .
replaci ngany com p onent o r assembly .
To remove t he crt, p erform t h e following ste p s :
To remove t he instrume n t cab i n et, p erform t h e following
ste p s :

1 . Disconn ect fou r deflection-plate wires at t he midd le of
t h e crt nec k an d unp
l
u g t
h
e Trace
R
otation connecto
r
1 . Disconnect t he p ower co r d from t he instrument . F or

( Ρ9006) from t he Fr on t- Pa n el ci r cuit board (note t he connec
instruments wit h α power-cord securing clamp ; remove t he

tion locations and wire colors for r ei n stallatio n r eference) .
Ph illips- h ead screw h oldi ng t h e powe r -cord securing clamp
b
efore disconnecting t h e p ower co rd .
W A RN I N G
2 . R emove t h e sc r ew from t h e rig h t-rear si de of t h e ca b i-
net and two screws f r om t he rear panel . T hen remove t he

T he crt anode lead and t he High- Voltage Multiplier
r ea r p anel .

output lea d retai n α h ig h -voltage ch arge afte r t he i n -
str u me n t is turn ed off . To avoid electrical s h oc k , dis-
connect t he H ig h -Voltage Multiplier lea d from t
h
e crt
3 . Pull t he f r ont panel a n d attac hed c h assis forwar d and

anode lea d an d groun d bot
h
leads to
t h
e
main ί nstr u -
out of t he ca b i n et .

me n t ch assis .

Tektronix 2235 Specifications

General

Brand	Tektronix
Model	2235
Category	Test Equipment
Language	English