BRUEL & KJAER 2203 - p004

2203 .1 Checking and Adjusting
Sensitivity, Input Amplifier
Ext.Filter
opprox 10 mV
Input
31.5 v
1.k Hz
VIO
JJ 2611.
Input
Converter
Sensitivity, Output Amplifier
Ext . 188mV"'
Filter Ou/
316mV
o~ Output
o Attn .
o 1st
° C 301 Section
120 dB
position
Input
Attenu-
a tor
120 dB
position
6mVN
l
_c:r_ c 1.02
Po~er Supply
V&07
1-2
Astabil
Multi vibrator
p &03
-9V Adjustment
HP Filter
30 dB
11'-H
>
LF Response Gain adj .
Measuring points to be found on Layout Diagram ZE 0117
188 mVN
6mV"'-'
position
Measuring points to be found on Layout Diagram ZE 0118
Batt .
P&Ol
Ref .
p &02
Measuring points to be found on Layout Diagram ZG 0081
270 {
+ 200V
rl.______,..., AC Out
u---"' 3 . 1 6 v
1800 { ~
=Violet
= Black
180
{ ~
= Black
=Brown
5 =Orange
6 =White
7 =Blue
8 =Grey
9 = Green
10
=Red
11
=Yellow
55V
20V
30V
9. 73