Philips PM2517E - Page 84

c B
l-11
= gale
v301,
Inslrumenl seltings;
Measured with Plvl2524
Loqic 0
(-
8.5V)
Deiecl V301
Track
shorlc
rcuit
0V.
Refer
lo 6.6.1
B
b. Voltage:50% lower
as
measuted
u
nder
A
Hi
=
Gate V302
Instrumenl
seltings;
t\,1easu red wilh PM2524
Loqic0(-85V)
Delecl V302
0v,
D I Check R301,
R302.
R306
R30r, R307. R306
R30l
=
909k
R302
=
887k
R306
=
200k
Delecl OQ006l
Repa r
E S
gnal
Srn 000061
(4301)
H
=
4301i r3
Select; Range 1V-
Logic0(-85V) Track
sho(crrcurl
6.5. Rang ng
E Fesislors
Ra and Rb
o00061
(a301)
R308. R316
=
Rb
Select; Fanqe
1V-
3k01 :0 I %
30k a 01%
Feler to G
G
Check R310. R313.
lracks
at
R311,
B3t2
R3r0, R3r3
F310= 10k5
F313=
48k7
Defect O0006l
t_
I
80
t_
t_
t
t
t
t
ö
t
t
t
t
?
t
t
t_
t
l_--
t'
t
q
t
t
t
6.6.4. Incorrecl measured
va lue
No.
From l,4easurement
l\4easuring
points
Measuring
data Correct Incorrect
Range
l0Vrdeviares
Range
Toovtudev ates
Refer to B
Reler lo G
a Fange 10Vtu
deviates
wrlh a faclor oi
l0
Range lovtu dev
ates
mol
wrlh a iaclor ol 10)
Rel€. to C
C B Range
10Vtu, dev
ation
tactor
10
Signai Sin O00061
(4301)
Hi
=
4301/13
,
Sel6ct; Bange 10V-
Log cr
(0v)
Relef to E Reier to
D
D
Slgnal
RNG A
oo00s9
(0101)
Hi=
0101/8
Lo
=
O.socket
ü
Select; Ranqe
10V-
Logic r
(0V)
V-
swrlch
(7
8)
Refer to 6
5
RANG NG
E c Resistors Rb
O00061
(4301)
R308. R316
=
Rb
30k1 a 0.19"
Deiecl OO006l
B Resrstors Rb
000061
(4301)
R308.
R316
=
Rb
30h1 I 0.1"" to
6 6.3
Repa r
G
.Range
100V& deviates
with
a
lactor
ol 100
-Range
I00vtu deviales
nol
wilh a faclor
ot 100 a
Fefer 1l] H
100
G Gate voltage
ol V301 Hi
= gate
V301
,
Select; Range 100V-
Logrc 1
(0V)
G Signa FNG
B OO0059
(D101)
Hi= D10l/7
Sel6cl; Range l00V-
Loglc r
(0V)
Check R3l4
Track
Reler lo
6.5.
RA NGIN
G
J G
Drain
vollage
V301 Hi
=
drarn V301
,
Select; Range 100V'
<50mVtu
Check R305, R315 Deiect V301