TM 11-6625-2440-12
Seq
Item
Procedure
Reference
No.
a. Set EU TEST SET SCAN switch to OFF.
6
Indicators ............................
b. Press and hold C-D LAMP TEST switch,
and observe that all C-D indicators light.
7
Indicators ............................
Release C-D LAMP TEST switch, and
Observe that all indicators except
28 VDC, 115 VAC, and SELF TEST go
out.
8
Lamp drivers .......................
Set EU TEST SET SCAN switch to 16, and
observe that PLATFORM. MONITOR,
OVERTEMP, and MAG HDC SERVO
indicators light.
9
Lamp drivers .......................
Set EU TEST SET SCAN switch to OFF, and
observe that PLATFORM, MONITOR,
OVERTEMP, and MAG HDG SERVO
indicators go out.
NOTE
When the EU TEST SET SCAN switch is, set
to
16.
the
PLATFORM,
MONITOR,
OVERTEMP and MAG HDG SERVO
indicators will light. Disregard the lighting of
these indicators at this switch setting for the
remainder of test procedure.
10
Clock generator ..................
Set EU TEST SET SCAN to 17, and observe
Scope and DVM for an indication of
+ 28 ( 1.4) V.
a. Set EU SCAN SELECT switch to CHAN Z
11
Clock generator ..................
b. Set EU TEST SET SCAN switch to
positions listed below, and observe
counter and scope for frequencies and
waveform listed.
Switch
Freq.
position
(Hz)
300 ( 1)
7
A
300 ( 1)
8
A
150 ( 1)
9
B
10
2.4 k (+ 1)
C
12
Mode control .......................
Set EU TEST SET SCAN switch to positions
indicated below, and observe counter
for frequencies listed.
Switch
position
(Hz)
4.68( 0.1)
11
2.34 (0.1)
12
a. Set C-D CAGE switch to HOLD.
13
Mode control .......................
b. Set C-D MODE switch to ALIGN, CAGE,
PLATFORM, MONITOR, OVERTEMP,
and MAG HDG SERVO indicators light.
a. Set EU SCAN SELECT switch to
14
Mode control .......................
DISCRETES.
b. Set EU TEST SET SCAM switch position
indicated below, and observe scope
and DVM for voltages listed
Switch
positions
Voltage
+0.25 ( 0.25)
4
+0.25 ( 0.25)
5
+3.8 ( 1.4)
6
+0.25( 0.25)
8
+0.25 ( 0.25)
9
+3.8 ( 1.4)
10
+3.8 ( 1.4)
11
+0025 ( 0.25)
12
a. Set EU SCAN SELECT switch to A.
15
Mode control .......................
b. Set EU PLATFORM SCAN switch to
positions indicated below, and observe
scope for voltages listed.
Change 1 3-10
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