Philips PM2517X - Page 97

Dr\,101
2000
onwards
DMO2
4926
onwards
Replaced
Reason
New
p.c.
board
Replaced
Reason
N1
: C601
C303
15tt
4V 10+50
4822
15
ir
10V
-10+50
5322
Better
quality
of
electrolytic
capacitors
93
124 20519
replaced
by
124 14036
5322
116 54615
is
replaced by
5322
116 54619
5322
116 54619
s
replaced by
5322
116 54696
1p 63V
-10+50
4822
124 2O624 replaced by
1g
63V
-10+50
5322
124
14075
N4 od
if ied
Reason
l\4
od
if ied
R
easo n
: Better
quality
of electrolytic
capacitors
: R416 and
R417 220k 59'" CR16
4822 1113O3O2
: RANGING circuit;
Resistor
R724 is connected
to
logic 0
(-8,5V)
Signal
FC is connected
to the
kg input of
Vl50 via the
new
resistor R 727.
:
PM251,7 is
set
to manual
ranging,
when the
instrument
is switched'
on or switched
from a sinqle-range
function to a
multi range
function
O00065
power
supply;Vss C
(pin
4) is
connected to
-8,5V
via
the
kS2,
D,T
function switch.
The
000063
s
only
switched
on now
in
the
kSr, D and
T
funr:tion
Add ed
Replaced
Replaced
Replaced
R310
R
313
9k09
MR25 12/o
10k
t\,1R
25
1%
10k
t\,1R 25
191
100k
t\4 R
25
196
Modif ied : C304 is connected
to
+8,5V
lnstead of
+
c311
: V850 BZX79-C10
5322
BZX79-810
5322
lnF 40V 20+80
4822 12231115
13O 34297
is replaced by
130 34297
Dt\,103 572 Wire
from
p.c.
board to screening
is replaced bV
a
spring
Dr\,103 6131
r!
: Topcover 5322
441 94493
is replaced by
5322
441
94558
Window
5322
459
24086ls
replaced by
5322
459 24094
: New text
lay-out,
MAN replaced by A
: Change adjustmentq.
All adjusting
data
have
to
be changed
from 9000
to
8990
digits
unt
ll
ceramic
lC's
is
used.
:
Ceram
ic 0O0064
and screening
in
the
fl ran3es
:
lnsLrlation
tape
glued
on the screening above
the PTC and
lnput
term
inals
lDl\,401
1800 onwards).
:
PTC
mounted lower
(on
p.c.
board)
from
Dl\,401
4926 on.
Insulation
tape.
Pin
17
is internally
interconnected now Capacitor C401
22nF
4A22 n2 301 14 is
added and connected
to
pin
17 and
$
The ordering number of the
000063
remains 5322 209 85886.
GENERAL
O00064 DriIt
Tempory
solution
F inal
solution
Flash over
)
I
Between
PTC
R401
Short circuit
!
Tempory solution
Final solution
New O00063