Philips PM2521 Service Manual page 163

PHILIPS
Scientific
&
Industrial
Equipment
Division
820214
PM 2521 SMElOl
Already issued
:SME
93,
SME
94,
SME
95.
Re
;1.
Erratum
of
SME 95
2.
Replacement
of
ROM's (2x2k
>lx4k)
As
documentation
for the PM 2521 the service manual
9499 475 01911, SME 93,
SME 94, SME 95
and
this information
sheet should be used.
1.
Erratum
of
SME
95
The following code numbers should be added and modified.
Chapter Part
Old code number
New
1
code
number
5.1 Mains connector 5322
267
44135
5322
267
30434
5.2
Carrying handle 5322 498 50126
5322 498 54105
5.3
Front 5322 447 74009
5322 447 70053
Test prod, red
5322 264 20064
5322 264 20046
2.
ROM's (2x2k--->lx4k)
From serial number
DY 02 6611 onwards, the PM 2521/02...
is
supplied with
one 4k ROM.
POS.NR.
Description Ordering code Replaced by
Description
D1909
ROM
(2k)
5322 209 54696
obsolete
D1920 ROM
(2k) 5322
209
54699 5322
209
81665
ROM (4k)
If
an instrument, with
2x2k ROM's, has
to
be
modified
to
an
instrument with
a
4k ROM, proceed
as
follows:
Unsolder the two soldering spots (see fig
1
and fig
2
item
1)
-
Repair the track
interruption (see fig
1
item
2)
-
Place
a jumper.
Ordering code 5322
263 64007 (see fig
1
item
3)
Scientific
&
Analytical
Equipment
Test
&
Measuring Instruments
Industrial
Automation
Advanced Automation Systems
Welding
9499 478 13211
PRINTED
IN
THE NETHERLANDS