Philips pm2521 - Page 139

CODING
SYSTEM OF
FAILURE
REPORTING
FOR QUALITY
ASSESSMENT OF
T
&
M
INSTRUMENTS
(excl.
potentiometric
recorders)
The
information
contents
of the
coded
failure description
is necessary
for our computerized
processing of
quality
data.
Since the
reporting
of
repair and
maintenance
routines
must be
complete and
exact,
we give
you an
example
of
a
correctly
filled-out
PHILIPS
SERVICE Job
sheet.
Country
Day Month
Year
@
Typenumber
1
1
5
4
7
1
5|
31
/Version
o|o|2|
CODED
FAILURE
DESCRIPTION
Factory/Serial
no.
D
o
O
0
0
8
Nature
of call
Installation
Pre
sale
repair
Preventive
maintenance
Corrective
maintenance
Other
Location
Component/sequence
no.
Category
0
0
0
1
T s 0 6
0
7
R
0
0 6
3 1
9 9 0
0 0 1
Job
completed
Working
time
rrrn^
Hrs
Detailed description
of the information to be
entered in the
various boxes:
0Country:
|
3
|
2
|
= Switzerland
®Day Month
Year
|i|
5|Q|4|7|5|
=
15 April 1975
^Type
number/Version
|
0
|
P
|
M
|
3
|
2
|
6
|
0
1
0
1
2 |
=
Oscilloscope
PM
3260,
version 02 (in
later
oscilloscopes
this number
is placed in
front of
the serial no)
@Factory/Serial
number
|
D
|
Q
|
0
1
0
|
7
| ^
3j
=
DO 783
These data
are mentioned on
the type
plate of
the
instrument
©Nature of call:
Enter a cross in
the
relevant box
(©Coded
failure description
Location
Component/sequence
no.
These
four
boxes are
used
to
isolate the
problem
area.
Write
the code
of the
part
in
which
the
fault occurs, e.g.
unit
no or
mechanical
item no
of this
part (refer to
'PARTS
LISTS'
in the
manual).
Example:
0001
for Unit
1
OOOA
for Unit
A
0075
for item 75
If units are not
numbered, do
not
fill in
the
four
boxes; see
Example
Job
sheet.
Category
These six
boxes
are intended
to
pinpoint
the faulty
component.
A.
Enter
the
component
designation as
used
in the
circuit
diagram.
If the
designation is
alfa*numeric,the
letters
must be
written
(starting
from the
left)
in the two
left-hand
boxes and
the figures
must
be
written (in
such
a
way
that
the last
digit
occupies the
right-most
box) in
the
four
right-hand
boxes.
B.
Parts not
identified
In the
circuit
diagram:
990000
Unknown/Not
applicable
990001
Cabinet
or
rack
(text
plate,
emblem,
grip,
rail,
graticule, etc.)
990002
Knob
(incl.
dial knob, cap.
etc.)
990003
Probe
(only
if attached
to
instrument)
990004- Leads
and
associated
plugs
990005
Holder
(valve.transistor,
fuse, board, etc.)
990006
Complete unit (p.w,
board, h.t.
unit,
etc.)
990007
Accessory (only
those
without type
number)
990008
Documentation
(manual,
supplement, etc.)
990009
Foreign
object
990099
Miscellaneous
0
Unknown, not
applicable (fault
not present,
intermittent
or
disappeared)
1 Software error
2
Readjustment
3 Electrical repair (wiring,
solder
joint, etc.)
4 Mechanical repair
(polishing,
filing, remachining, etc.)
5
Replacement (of transistor,
resistor,
etc.)
6 Cleaning and/or
lubrication
7 Operator error
8
Missing items (on
pre-sale
test)
9
Environmental requirements are
not met
(2) Job
completed:
Enter
a
cross
when the job has
been
completed.
(^Working
time:
Enter the total
number of working
hours spent
in connection
with the job
(excluding
travelling,
waiting time, etc.),
using
the last box for
tenths of
hours.
I
1
I
2
I
=
1,2
working
hours
(1
h 12
min.)