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Table 5-7. AC Converter
Checks
step
1
Item/Component
Required Condition
Turn on power.
Select 2VAC range.
2
3
External voltage
source.
TPlO*
4pply
IV rms at 1 kHz,
.99V rms nominal
4
5
TPEX
U103 Pin 6 or
TPl*
.993V rms nominal.
+1v
6
External voltage
Select 20VAC
range. Apply
IOV
source.
rms at 1 kHz.
7
TPIO
.099V rms nominal.
8
9
TP8
.993V rms nominal.
External voltage
Select IOOOVAC range. Apply
SOUKB.
IOOOOV rms at 1 kHz.
10
TPlO
.99V rms nominal.
11
12
External voltage
Select 200VAC
range. Apply
IOOV
SOUKB.
rms at 20kHz.
Display
100.00 nominal.
13
14
External voltage
source.
Display
Select 2VAC range. Apply
IV rms
at 20kHz.
1 .OOOO nominal
15
16
External voltage
Select IOOOVAC range. Apply
SO"Kt?.
IOOOV rms at 20kHz.
Display
1000.0
* nominal.
17
18
External voltage
Select 2VAC range. Apply
IV
SOWCC?.
rms at 45Hz.
Display
l.OOOOV * nominal.
-
Remarks
VOTE: Full scale input on
311 ranges should produce
= 2V rms output
at TP8'.
Calibrated
input.
Dutput of UlOl
and faed-
back components
R108 and
Cl03 (nominal
gain ,991.
output
of u102.
IQ102 on,
nominal gain 1.0031.
Output of U103. Gain of
U103 adjusted
to provide
+ 1VDC output
for 1VAC
I 'h scale) input.
Gain check of UIOI and
U102. Nominally,
.0099
IUlOl)
and 10.03 lUlO21.
Output of UlOl
and feed-
back components
R109.
Cl04 and Cl101 Ion).
Output
of u102 (Q102 off).
Calibrated
input. Check
gain of UlOl
(nominal
.00099).
Output
of UlOl
and feed-
back components
KlOl,
RI10 and Cl05
KIOI
(Closed).
Calibrated
input.
High frequency
response
(compensation
C102, C103,
ClO4).
Calibrated
input.
High frequency
response.
(Compensation
C102,
c1031.
High frequency
response.
IC;yansation
C102, C103.
Low frequency
response.
ClOl,
C106, C107, C108,
c109.
*See Figure 5-l.
5-9
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