BK Precision 1403A User Manual

I}IAINTENANCE
I
I
I
I
I
@
6
s
s
Remove
these
screws
Loosen
these
screws several
turns
I
t
Fig.
10.
Case Removal.
v
CASE REIIOVAL
WARNIilG
High
voltage
W
to
-l$A
volts
rs
present
when
the ccse
is
rcmoved
and the
oscilloseope
is operuting.
AC line wltage
is
present
on
certain
Wvger
input
circufts
any
time the
power
plug
rs
connected
to a
tive outlet,
even if
the
POWER swrtch
fs
OFF. Ob-
sen e
the
high
wltage saf
ety
prccautions
listed
on the in-
srde
front
cover
of
thrs m@7-
unl.
Refer
to
Fig.
10.
Remove
two
serews
from
eaeh
side
of
the ease
as
shown.
Loosen
the
remaining
serew
loeated
at
the eenter
front
seetion
of
eaeh side
several
turns.
Grasp the
earrying
handle
and
slide
to
rear,
then lift
ease off.
FUSE REPLACEMENT
wARlililc
AIwoys
4[.9g6.prrri'rr'1.
:
r-(]i;:''
fram
ac
outlet
before
replacing
ct
fuse.
AC
line voltage rs
pres-
ent
on
the
fuseholder
when-
ever the
Wvoer
cord is
con-
nected
to o
lrve ac
outlet,
even
tf
the scopets POW
ER
switch
rs
OFF.
1. Rernove
the ease
from the unit.
2. Remove the
fuse from the
fuse
holder
(loeated
on
the
printed
eireuit board,
refer
to
Fig. 6)
and insert
a new fuse of
the
proper
value;0.5
A
for
Il7 volt
operatior,
0.3 A for 230 volt
operation.
3.
I
ll
1.
v
2.
t7

BK Precision 1403A Specifications

General

Brand	BK Precision
Model	1403A
Category	Test Equipment
Language	English