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l:
r.f:
YES
with
/
AIAlTI
-5V.
C
gac3
o
arld
(
AlTPK]
Q204:
oVr
r
-uiL.r
Q205:
orr:
-sVJ I
See
Ptu
*poring
Q208:
F
_5VL
'++
@"Un
\o?
NOTES:
1.
Ser FUNCTION
ro
DC.
lI inslrument
has
Ratio
or
Sample/Hold option,
set
RATIO
to
tNT
REF
and
SAMPLE/HOLO
ro OFF.
2. A dc
*andard.
a dual-race
o$illosp€,
a
5diqit
sltreter,
and
a dc null
rcltmeter
are required
for
thee
checks.
3.
The
time
sh&n on
wawforms
is
@Fect for
instrurenti
dsigned
for
60 Hz
line
opeEtion. For
50 H.
instrumnts_
ins€s
time
trv
20%.
YES
T.oubleC
YES
I
ranCaror
In@rrcct
forc.
S€
Apply
in
and ft
right
(
Voltag6
@rumn.
RNG.
I
'tv
10v
tov
'Nofünr
With
Al U202
out,
connect
+
5 V to
A'l41TPA.
Appty
tull
range
p6;tive
input
on
.1 V
through
l0O
V r.ngs.
Monitor
A ! TPR
with
scop€
lTrigge.
on
AtTpK, +
slope,
20 ms/cm).
Cdrect
wavetorm
for
@ch range:
Connect
-5V
to
AIA1TPA and
repqr
t6t.
negatiw full
Enge
input
on
.1 V through 1O0
V range..
Correct waveform
Ior
each
6nge:
Remve
A1U202.
Alte-
nately
@nnect
+5
v
6nd
-
S V ro
AlAl
TPA. Potar-
ity
display
shoutd
be
+
for
+5V
and-for-5V.
Moniror
AlAl
TPB with
dc wltmeter
or scope
and
repeat
.pfevaous
test,
volt-
age
should
be apfox.
+3V
for +5V
in, and
approx.
-0.4Vtor-5Vin
Disnned
-5V
lrom
A1A1TPA
and repl@
A1UZ)2
in scket.
Check
jlTV.nd
!30Vpow6
supply wlbg6
ro DC
Amplifier
circuits.
Check
@ltage at
fin
8
of
AlU2O3.
Should
be
+11.4Vi10%.
Set Sampte
R.E
ro
FAST.
usang dual
inpu!
spe,
@mp6re
waveform
6t all
input.
to A2U2 with
B@t-
$6p waveform.
Waw-
torß
Crould
be aa in-
in Figure 7.1,
Trig-
s@r
on
AITPK. Ob-
serve display
while
performing
rhia
tes.
Prob-
lem mV
clear temporarily
while
r@pe
probe
is
@n-
n4ted to
A2U2.
Replace
A1U2O3 and
per-
torm
DC Zero
Adiu.t-
rcnts, Pa.agraph
5€5.
Set Sample Rare ro
FAST.
Trigger
$ope on AITPK.
+ilope.
Check all
outpuls
ot
Al
U401. Wavelorms
*lould be ar shown
in
Figure7.2
-
54904
-O-
3004
,
r
s tE