BFGoodrich PS-823 - Test Points and Settings

BFGoodrich Avionics Systems,
Inc.
Component Maintenance
Manual
P/N
101-1075-()
Test
Points FromFigures 118And
119
From
To
SwitchPosition Condition
Dc Scope
S1
S2
Volts
Frame
l Gnd
On Off
27.3
l
1 Gnd On Norn 36 2
2 Gnd On Norn
26.5
3
2 Gnd Off Norn
24.5
4
2 Gnd
Off
Cutoff
Decrease
0-28.0Vdc
until
2 decreases
to zero.
3 Gnd
Off Cutoff Decrease
0-28.0Vdc
until2
decreases to zero.
25.5 5
3 Gnd On
Norn
4
Gnd
On
Norn 17
6
5
Gnd
On Norn
16.5
7
6 Gnd On
Norn
24.5
8
7 Gnd On
Norn 24 9
8 Gnd On
Norn 24 10
9 Gnd On
Norn Loads
inverter down.
10 Gnd On
Norn 18.5
11
11 Gnd On
Norn 0.75
12
I1 Gnd
Off
Cutoff
Decrease
0-28.0Vde
until
2
decreases to zero.
12 Gnd On Norn
0.045 13
12 Gnd Off Cutoff Decrease
0-28.0Vdc
until
2 decreases to
zero.
13 Gnd
On
Norn
Loads
inverter
down.
14 Gnd
On
Norn
16.5
14
15 Gnd
On Norn
0.4
15
16
Gnd On Norn
12
16
17 Gnd
On Norn
15
17
18 Gnd
On Norn
15
18
19
Gnd
On
Norn
15.5
19
19 21
On Norn
Isolated scope. 15
20
19 22
On Norn
Isolated scope. 15
21
19
17 On
Norn
Isolated scope. 0.2
22
19 18
On Norn
Isolated scope. 0.2
23
21
Gnd
On
Norn
0.8
24
21
22
On
Norn
1solated scope.
22 Gnd
On
Norn Isolated scope.
0.8
25
Test
Points
and
Settings
Figure l 16
msmljtp202TestFaultlsodiskl59
24-20-03
Page 133
Revision A June
30, 1999