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9154A-3
SERVICE
NOTE
Supersedes:
NONE
9154A
APPLIES 10:
All Unite: X
Only
Units on Agreement:
.
Immedietely:
At
PM/Normal
Cali:
DISC
DRIVE
;
:
On
Failure:
X
Information
Only:
WARRANTY:
EXTENDED
Serial number:
LABOR:
x
ALL
PARTS:
TRAVEL:
09154-69502
DATE
CODE
2524
AND
SEPVICE
Return
for
Update:
Use
ès
ís;
EARLIER:
POTENTIAL
+12 VOLT SHORT
ciegas
Return
for
Salvage:
See
Text:X
Situation:
Controller
PCA
PN09154-69502
is
held
in
place
by metal
PC
guides
which
are
part
of
the
9154A
chassis.
The
12 Volt
trace
on
this
assembly
runs
close
to
the
edge
of the
board
which
the
chassis
guides
support.
If the
solder
resist
on
this
trace
flakes
off,
the
potential
for
a
12 Volt
short
exists.
Solder
adhering
to
an
ex-
posed
section
of the
12 Volt
trace
increases
the
risk
of a short.
The
12V
fuse
on
the
power
supply
will
blow
if
this
trace
shorts
to
the
chassis.
Solution:
i
Controller
boards
with
date
code
2525
and
later
have
1/2
Inch
electrical
tape
over
the
12V
trace.
(Ref.
Fig.
1)
If
a
12V
fuse
problem
is
found
in
a 9154A,
in-
spect
the
09154-69502
PCA
to ensure
that
these
traces
have
been
covered
with
tape
per
Fig.
1. Tape
PN0460-0193
has
been
approved
for use
in this
application.
Warranty:
Greeley
Division
will
accept
1 hour
labor
on
extended
warranty
when
a
Controller
PCA
PN09153-69502
is
modified
to
correct
a
12V
fuse
problem.
All
service
inven-
tory
shipped
was
date
code
2525
and
later.
KK
06/18/85
FOR
MORE
INFORMATION,
CALL
YOUR
LOCAL
HP SALES
OR SERVICE
OFFICE
or East
(201)
265-5000,
Midwest
(312)
255-9600,
South
(404)
955-1500,
West
(213)
970-7500
or
(415)
968-9200
OR WRITE ,Hewlett-Packard,1820
Embarcadero,
Palo
Alto,
California
IN EUROPE,
CALL
YOUR
LOCAL
HP SALES
of
SERVICE
OFFICE
OR WRITE,
Hewlett-Packard
S.A.,7,rue
du Bois-du-Lan,P.0.
Box,
CH-1217
Meyrin
2-Geneva
Switzerland.
IN JAPAN,
Yokogawa-Hewlett-Packard
Ltd.,
1-27-15,
Yabe
Sagamihara
City,
Kanagawa
Prefecture,
Japan
229.
1983
Hewlett-Packard
Company
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