TM 11-5895-846-14
o. Disconnect the transmit waveguide, W3, from
p. Return the terminal to its normal operating
the test equipment and connect it to the antenna.
mode.
Disassemble the test equipment setup.
Section IV. TROUBLESHOOTING OF ALARM MONITOR
the unit, remove the cover from the power supply by
8-9. Scope This section contains information and
removing the eight screws and washers which secure it
procedures for troubleshooting of the alarm monitor
in place.
power supply and fault/safety gate modules and the
b. Alarm Monitor Fault/Safety Gate. If necessary,
alarm monitor unit.
Removal and replacement
refer to chapter 5 for removal and replacement
procedures are provided if it is necessary to remove a
instructions on fault/safety gate module Al.
module from the unit. Also included is information on
test fixtures and a special cable required to interface the
item under test with the test equipment.
8-11. Test Fixtures and Universal Power Cable
required for troubleshooting of the alarm monitor and its
8-10. Removal and Replacement of Alarm Monitor
modules.
Modules
a. Alarm Monitor Power Supply. If necessary, refer
necessary) the test fixture for the power supply module.
to chapter 5 for removal and replacement instructions on
Reference the drawings listed in table 8-2 for fabrication
the power supply module PS1. After removal from
details.
Table 8-2. Test Fixtures Required for Maintenance of Alarm Monitor Modules
RCA
Parts list
Drawing reference
Description
part no.
table no.
figure no.
Test fixture, alarm monitor power
A1545804-505
supply
Test fixture, alarm monitor
A1547620-501
Universal power cable
A1547219-501
Table 8-3. Test Fixture, Alarm Monitor Power Supply, Parts List
Reference
Mfg.
designation
Description
Code
Part number
Qty
CB1
Circuit breaker
32720
AP-12-4613-2
1
J1, J2, J3, J4
Pin jack, yellow
83330
1505-107
4
J5, J6, J7, J8, J9
Pin jack, green
83330
1505-104
8
J10, J11, J12
J13, J14, J15, J16
Pin jack, red
83330
1505-102
4
J17
Pin jack, black
83330
1505-103
1
P1
Connector
G96906
MS-3116F-10-6S
1
P2
Connector
71468
DAMM-15P
1
Connector hood
71468
DA-110963-3
1
P3
Connector
83315
5965VY
1
R1, R2
Resistor, 50 ohm, 25 W
44655
0200D
2
R3, R4, R7, R8
Resistor, 330 ohm, 2 W
G96906
RCR42G331J
6
R11, R12
R5, R6
Resistor, 6.8 ohm, 12 W
44655
3750
2
R9, R10, R13, R14
Resistor, 33 ohm, 12 W
44655
3766
4
R15
Resistor, variable, 25 ohm, 25 W
44655
0147
1
R16
Resistor, 5 ohm, 25 W
44655
0200A
1
R17
Resistor, 10 ohm, 50 W
44655
0400B
1
R18
Resistor, variable, 15 ohm, 25 W
44655
0146
1
R19
Resistor, 10 ohm, 25 W
44655
0200B
1
S1, S2, S3, S4
Switch, spdt, center off
86022
8802-K6
4
S5, S6
Switch, spst
86022
8803-K6
2
TB1
Terminal block
76930
354-28-12-001
1
8-9
