 |
|||
|
|
|||
|
Page Title:
T-1054(P)/GRC-144(V) Primary Power Distribution Checks Chart. |
|
||
| ||||||||||
|
|  TM 11-5820-695-35
c.
T-1054(P)/GRC-144(V) Primary Power Distribution Checks Chart.
Connect multimeter leads between
Multimeter indication
Section
Step
pin
and
pin
(ohms)
1
a
1A15A6J18-A
1A15AS3-4
Less than 1
b
-B
1A15E1
Zero
c
-C
1A15A8S3-2
Less than 1
2
a
1A15A8S3-1
1A15W12XA14-6
Zero
b
-1
-10
Zero
c
-3
-5
Zero
d
-3
-9
Zero
3
1A15A8S3-1
1A16ASS
Less than 2
4
a
1A16A10W1XA1A-1
1A15A10W1XA1X-20
Less than 1
b
-3
-22
Less than 1
c
-4
-25
Less than 1
d
-7
-26
Less than 1
e
-9
-28
Less than 1
f
-10
-29
Less than 1
g
-11
-30
Less than 1
h
12
-31
Less than 1
i
-14
-33
Less than 1
j
-16
-35
Less than 1
k
-18
-37
Less than 1
I
-19
1A16E1
Zero
5
a
1A15A8S3- 1
1A16B1-T1
Zero
b
-1
1A16J20-C
Zero
c
13
1A15B1-T4
Zero
d
-3
1A15J20-A
Zero
3-8. Isolating Troubles in T-1054(P)A/ GRC-144(V)
(3) Disconnect plug 1A16W25P1 (fig. 3-
Primary Power Distribution Circuits.
2) from jack 1A15W27J1 (fig. 3-8). Disconnect the
equipment interconnection cable from jack 1A15W27J4
WARNING
b.
Procedure.
115 vac is present in T-1054(P)
A/GRC-144(V) Do not perform any of
(1) Refer to the chart (c below). Connect
the continuity or resistance checks
the multimeter leads between the two pins listed in the
given in this paragraph while the
steps of the sections that were referenced in the
equipment is connected to the
troubleshooting chart (para 3-6b). If the troubleshooting
primary power source.
chart indicates a section but does not give a step
number, perform all of the steps given in that section
a.
Preparation of T-1054(P)A/GRC-144(V
starting with step a.
(1) Remove power supply 1A1 (para 3-22).
(2) Observe that multimeter indication is
within the tolerance specified in the chart for each step.
(2) Remove orderwire assembly 1A13/
If it is not, refer to the T-1054(P)A/GRC-144(V)
1A14 (pare 3-30) and digital data modem 1A12 or digital
interconnecting diagram (fig. 5-15 or 5.15.1) to
data combiner 1A12 (para 3-29 or 3-29.1).
determine whether the fault is defective wiring or a
defective circuit element.
Change 6 3-12
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals