39. Equipment Performance Checklist
Item
No.
Item
Action or condition
Normal indication
Corrective
1
Rf cable-----------------------------
Connected to unit under
P
test.
R
2
POWER switch-------------------
Set to OFF
E
3
Line cord---------------------------
-
Connected to power
P
source.
A
4
POWER switch-------------------
Set to STANDBY---------------
-
One of the frequency
Cheek power our, power
R
range indicator lamps
cable, fuses, and panel
A
will light.
lamps.
T
5
MODULATION selecto---------
r
Set to OFF
O
6
DEVIATION contro--------------
l
Fully counterclockwise
R
7
OUTPUT contro------------------
l
Fully counterclockwise
Y
8
DEV MULT switch---------------
Set in X10 position
S
9
POWER switch-------------------
Set to ON-------------------------
Output indicator will swing
Cheek tubes V12, V13,
T
to left.
V14, and V15.
A
R
T
E
10
FREQ. RANGE-MC------------
-
Rotate through all three
Respective Indicator
Check lamps and range
Q
switch.
positions.
lamp will light.
Switch.
U
11
FREQ. RANGE-MC------------
-
Select any output fre-
I
and tuning controls.
quency in 50-100 mc
P
range.
M
12
Turn OUTPUT control----------
-
Produce a cw output sig-
Correct signal indication
Cheek ad electron tubes
E
slowly clockwise.
nal at R. F. OUTPUT
at unit under test.
except V1, V2, V3, V4,
N
connector.
OUTPUT indicator
V10, V11, V16, and V17.
T
pointer will swing to-
Refer to troubleshoot
ward right.
ing prouder (par. 59).
13
Same as item 11-----------------
-
Use 100-200 me range.
14
Same as item 12-----------------
-
Same as item 12---------------
-
Same as item 12----------
-
Same as item 12.
P
15
Same as item 11-----------------
-
Use 200-400 mc range
E
and trimmer.
R
16
Same as item 12-----------------
-
Same as item 12---------------
-
Same as item 12----------
-
Same Item 12.
F
17
DEVIATION control
Slowly increase (clock-
Indication on DEVIA-
Cheek tubes V1, V2, VS,
O
(MODULATION at
wise).
TION meter, and unit
V4, V10, and V11.
R
C1000~ ).
under test.
Refer to paragraph 50.
M
18
MODULATION selecto---------
r
Select and check all three
Proper frequency indica
Same as item 17.
A
modulation frequencies:
tion at unit under test.
N
1,000, 1,600, and 20,000.
C
19
DEV MULT switch---------------
Vary through all three
Indication of signal de
Cheek output connector,
E
positions.
viation multiplying at
all vacuum tubes, and
S
unit under test.
DEV MULT switch.
S
20
POWER switch-------------------
Place in OFF position---------
-
Indicator lamp will go
Disconnect power cord
T
out.
and cheek POWER
O
switch.
P
21
