TM 11-6625-622-40
Control settings
Step
Teat procedure
Performance standard
Equipment under test
Test equipment
No.
Connect test leads of ME-
ME26B/U must indicate
KEY INTLK switch:
Same as step 7 _ _
9
26 B/U to following point:
infinite resistance.
NORMAL.
From
To
J1-56
J1-5
ME26B/U must indicate
Connect test leads of ME-
CW KEY switch: center.
10
Same as step 7 . . .
infinite resistance.
26 B/U to following point:
From
To
.
W5-k
Ground
ME-26B/U must indicate
Connect test leads of ME-
300 AUDIO LOAD switch:
11
Same as step 7 ___
infinite resistance.
26 B/U to following point:
OUT.
From
To
J11-2
J11-1
ME-26B/U must indicate
Connect test leads of ME-
switch
714E-1--714E-2/3
12
Same as step 7 ___
infinite resistance for all
26B/U to following points:
S6 : 714E-2/3
points listed in this step.
From
To
W5-j
J1-24
W5-i
J1-25
W5-q
J1-59
W5-m
J1-55
Test procedure column of c below and illustrated
3-13. Test Harness, Radio Set AN/URM-157A
in figure 36.
Continuity and Short-Circuit Tests
(2) The test unit is tested with no power
a. Test Equipment and Materials. M u l t i m e t e r
applied.
ME-26B/U.
( 3 ) Remove the control unit from the test
u n i t and disconnect cable W5 from the control
b. Test Connections and Conditions
unit. Make applicable resistance measurements at
(1) M a k e t e s t c o n n e c t i o n s a s s p e c i f i e d i n
the free end of cable W5.
c. P r o c e d u r e .
Control settings
Step
Performance standard
No.
Test procedure
Equipment under test
Test equipment
ME-26B/U must indicate
a. 714E-1--714E-2/3-
Connect test leads of ME-
a. FUNCTION
1
zero resistance for all
714E-6 switch: 714 E-
26B/U, in turn, to each of
switch:
points listed in this step.
the following points:
2/3.
OHMS.
b. AUDIO LOAD switch :
From
To
b. RANGE
W5-A
OUT.
switch:
J1-32
c. KEY switch: center.
W5-B
J1-33
RX1.
d. KEY INTLK switch:
W5-C
J1-34
NORMAL.
W6-D
J1-35
W5-E
e. TUNE POWER switch :
J1-36
normal.
W5-F
J1-38
f. CW switch: center.
W5-G
J1-39
9. AC switch: ON.
W5-H
J1-40
h. 618T-2/2B--OFF--
W5-J
J1-41
618T-3/3B switch:
W5-K
J1-45
618T-3/3B.
W5-L
J1-46
i. DC POWER circuit
W5-M
J1-47
breaker: ON.
W5-N
J1-48
W5-P
J1-49
W5-R
J1-50
W5-S
J1-51
W5-T
J1-52
W5-V
J1-25
W5-i
J1-24
W5-q
J1-55
W5-p
J1-31
W5-U
J1-59
W5-Z
J1-30
W5-a
J1-58
3-11
