HP 5383A

M od el 5383
Α
M ai n te
n
a
nce
5-16 . I N ST RUM E
NT ACC ESS
5-17
.

M ost mainte n ance o pe r atio
n
s require
t h at t he to p and bottom cove r s be r emove d f r om
t he cou n te r . R emove t h e covers
acco rd i n g to t h e following pr ocedur e :
α .
b .
ι .
2 .
3 .
5-18
. T R O UBL ES H OOTI N G
W A RN I N G
DISCO NN ECT ΤΗΕ AC PO WER CO R D F R O
M ΤΗΕ COU N T ER
PR IOR TOREM O V I N G ΤΗΕ CO VERS . E
X P
OS
E D T ERM I N A L S
W IT H I N ΤΗΕ CO UN T ER (I NC LU DI NG SE
VER A L POINTS ΟΝ ΤΗΕ
PR I N T E D CI R CU IT B OA R D) H A VE
V
O
L TAG E S PRE S ENT WH IC H
A RE SUFF ICI ENT TO CAU S
E I NJUR Y O R D E AT H .
P
ositio n th e
inst r ume n t u psi de d ow n and remove t he fo ur flat h ea
d sc r ews f r om t he
bottom
of t he inst ru me n t .
L ift t he bottom cove r
f
r om t
h
e
inst ru me n t, t h en r emove t he pr inte d ci r c u it boa rd (wit h
t he f r ont a nd r ea
r p
a
n
els
attac h ed ) by p ulli ng t h e boa rd s st r aig h t o u t of t he top cove
r .
R
eassem
b le i n r eve r se o rd e r of d isassembly . Wh ile mati
n g
t
h
e
top a n d bottom cove r s,
MAKE S URE th at :
T he sta nd off s pace r s (attac hed to t
h
e to p
cove r ) a r e pr ope r ly i n se r te d i n to co rr e-
s po nd i ng h oles on
t h e M ain B oa rd Assembly a nd th e b ottom cove r .
W
i r
es on
t he M ai n Boa rd Assembly a r e clea r of t he sta nd
off
space
r s a nd th e M ain
B
oa
rd Assembly h oles .
The f r on t a n d r ea r p a n els a
r
e p
r
ope
r ly i n
se
r te d i n to t he g r ooves of t he to p and
bottom cove r s .
CA
U TIO
N
F ailu r e to
comply
with
items 1, 2, and 3 may r es u lt in damage to
t h e
M
ai
n B oa rd Assembly .
d .

I n sert a nd tig h ten t he fo ur flat h ead sc r ews at t
h
e
bottom of t he co un te r .
5-19 .

If t he i n st ru me n t fails Performa
n
ce
Test o ne on Table 5-1 (i .e ., t he Dis p lay Test) pe r fo r m
t h e check s liste d on t h e t
r
o u bles
h ooti ng flowc h a r t, F ig ur e 5-1 . If t he inst ru me
n
t
fails
P erforma n ce Test Two, refer to t
h
e
t r
o ub
les h ooting flowc h a r t in F igu r e 5-2 .