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Page Title:
Figure FO-2. Receiver Control Test Flow Chart ( Sheet 3 of 12) |
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 TM 11-5865-215-13
1. PRESSCLR KEY.
1. AT THE RECEIVER CONTROL,
2. OBSERVE THE RECEIVER CONTROL FOR
ROTATE LAMP INTENSITY
THE FOLLOWING STATUS:
CONTROL CCW AND
TUNING FREQUENCY (MHZ) = 020.000
YES
YES
AND
2. OBSERVE THAT
A
AGC KEY LIGHTS
PANEL INTENSITY VARIES
I
30 KHZ BW KEY LIGHTS
FROM DIM
TO BRIGHT
FM KEY LIGHTS
I
I
(cW).
TUNE RECEIVER KEY LIGHTS
DATA A KEY LIGHTS
NO
MAN TUNE KEY LIGHTS
MEDIUM KEY LIGHTS
I
TEST
WITH MULTIMETER MEASURE
WITH OSCILLOSCOPE
A VOLTAGE VARIATION OF
CHECK CCAA1 PIN 19
VDC
TO
+26
FOR PULSE ACTIVITY
VDC
BETWEEN
AND CCA A7
(-)
CCA A7-78
PRESS AND HOLD CLR KEY.
REPLACE
REMOVE
YES
NO
REMOVE & REPLACE
NO
WITH OSCILLOSCOPE
CLR KEY
REPLACE CCA
CCA A7
CHECK Al-83 FOR PULSE
(S28)
ACTIVITY
YES
YES
REMOVE &
REPLACE CHASSIS-
REPLACE CCA
MOUNTED SERIES
A7 & CCA Al
REGULATOR
.
q
I AUTO SWEEP
I
1. PRESS AUTO SWEEP KEY.
YES
YES
2. PRESS F2 KEY. "
2. OBSERVE AUTO SWEEP AND
B
3. OBSERVE TUNING FREQUENCY
HOLD KEYS LIGHT.
1
(MHZ) DISPLAY SHOWS
1. ENTER 150 MHZ
PREVIOUSLY STORED DATA
\
A
PRESS STO.
q
I
I
3. PRESS F2.
REMOVE &
PRESS AND HOLD F2 KEY.
PRESS AND HOLD RCL KEY.
YES
REMOVE
WITH OSCILLOSCOPE
REPLACE
WITH OSCILLOSCOPE
WITH OSCILLOSCOPE
REPLACE CCA
FOR
CHECK
CCA A7
CHECK Al-83 FOR PULSE
PULSE
CHECK Al-83
CCA Al
PULSE ACTIVITY
CCA A 1
ACTIVITY
ACTIVITY
II
PRESS AND HOLD
REMOVE &
AUTO SWEEP KEY.
NO
YES
NO
REPLACE AUTO
REPLACE THE
REPLACE RCL
REPLACE CCA
WITH OSCILLOSCOPE
SWEEP KEY (S34)
F2 KEY (S32)
KEY (S30)
FOR
CHECK
PULSE ACTIVITY
FO-2. Receiver Control
3 of 12)
Test Flow Chart (
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