BFGoodrich PS-823 - Performance Test with JT-5 Test Set

BFGoodrich Avionics Systems,
Inc.
Component
Maintenance
Manual
P/N
101-1075-()
Corrective
Test
Procedure
Normal
Indication
Active
1.0 Test
Setup
Disconnect the
Emergency
Power Supply from all
input
power.
2.0
PerformanceTests
2.1
Pin-to-Pin
Resistance
Using
an ohmmeter,
measure
the
pin-to-pin
resistance on
connector
Jl
as follows:
Pin
9
(+)
to
13
(-)
0.5
Ohm
max
101-1075
Pin 10
(+)
to 7
(-)
Greater
than
1
Meg
Pin
10
(-)
to
7
(+)
Greater
than
1
Meg
Dash
No. MOD
Pin13(+)to7(-)
2K±200Ohms
-01,-02
6
Pin
13
(-)
to
7
(+)
2K to 8K
Ohms
-09,
-10
Pin 7
to case
Open, except
see
*
*After
the
following
-03,
-04
3
Pin 7
(+)
to 12
(-)
Less
than 0.5
Ohms
MODS
Pin
7
to case shall
-11,
-12
Pin
11
to case
Open
be less than
0.5
Ohm.
-05,
-06
7
Pin
3
(+)
to
7
(-)
3 ±1
Ohm
-13,
-14
Pin
3
(+)
to
1
(-)
Greater than
1
Meg
for
-07,
-08
4
PS-823A,
B,
E,
F
-15,
-16
1300 ±25 Ohms for
PS-
823C, D, G, H
2,2 Power Input Circuit
a.
Connect
the
Emergency
Power
Supply
in
the test
setup as
shown
in
Figure 113 except
disconnect
the
indicator.
b. Place test
equipment switches to the
following
positions
Switch
Position
PWR
ON
Center
ON-OFF-CHARGE
OFF
25.0VDC-28.0VDC
Center
F-C
Center
ØA
INT LOAD
ØC
INT LOAD
4.6V
INT LOAD
26.0V
INT LOAD
SURGE TEST
ON-OFF
OFF
R
IN-R
OUT
Center
BAT TEST
ON-OFF
OFF
7-NL-60
NL
25.0V
1-28.0V
I
28.0V I
Performance Test with
JT-5
Test
Set
Figure
115
msmljtp202TestFaultIsodisklS9
24-20-03
Page 125
Revision
A
June 30,
1999