Quantcast Figure FO-2. Receiver Control Test Flow Chart ( Sheet 7 of 12) 5865-01-076-9050">

 

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Figure FO-2. Receiver Control Test Flow Chart ( Sheet 6 of 12)
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TM-11-5865-215-13 Receiver Control C-10026/USQ NSN
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Figure FO-2. Receiver Control Test Flow Chart ( Sheet 8 of 12)
TM 11-5865-215-13
ROTATE THE MANUAL TUNING
CONTROL CW AND CCW.
1. AT THE RECEIVE R CONTROL PRESS
2. OBSERVE THAT TUNING FREQUENCY
THE MEDIUM KEY.
(MHZ) DISPLAY INCREASES
2. OBSERVE THAT MEDIUM KEY LIGHTS.
AND DECREASES
IN
STEPS.
NO
q
1. MONITOR A3-35 AND A3-33 WITH
DUAL-TRACE  OSCILLOSCOPE.
PRESS AND HOLD MEDIUM KEY.
2. OBSERVE THAT OSCILLOSCOPE
REPLACE
WITH OSCILLOSCOPE MONITOR
PRESENTATION  CONFORMS  TO
CCA Al
FOR PULSE
Al-89
FIGURE B WHEN MANUAL TUNING
ACTIVITY
CONTROL IS ROTATED CW.
3. OBSERVE THAT OSCILLOSCOPE
PRESENTATION CONFORMS
FIGURE C WHEN CONTROL IS
ROTATED CCW.
REPLACE
PHASE A
PHASE A
MEDIUM KEY
.
--
I
(s39)
I
I
I
I
I
REPLACE MANUAL
REMOVE &
YES
I
TUNING CONTROL
REPLACE CCA
ENCODER Al)
A3
PHASE B
PHASE B
--
TTL LEVELS
TTL LEVELS
FIGURE C. A QUAD B WAVEFORMS
FIGURE B. A QUAD B WAVEFORMS
FOR CCW ROTATION
FOR CW ROTATION
J
r
1. PRESS COARSE KEY.
1. PRESS FINE KEY.
2. OBSERVE THAT COARSE KEY
2. OBSERVE THAT FINE KEY LIGHTS.
LIGHTS.
YES
3. ROTATE MANUAL TUNING CONTROL
F
3. ROTATE MANUAL TUNING CONTROL
OBSERVE THAT
CW (OR
CW OR CCW. OBSERVE THAT TUNING
TUNING FREQUENCY (MHZ) DISPLAY
FREQUENCY (MHZ) DISPLAY
CHANGES IN l-kHz STEPS.
STEPS.
CHANGES IN
PRESS AND HOLD FINE KEY.
PRESS AND HOLD COARSE
REPLACE
WITH OSCILLOSCOPE MONITOR
KEY. WITH OSCILLOSCOPE
FINE KEY
Al-89 (1661) FOR PULSE
I
FOR
MONITOR Al-89
(S38)
ACTIVITY
PULSE ACTIVITY
REPLACE
YES
REPLACE
COARSE
REPLACE
CCA Al
KEY (S40)
CCA Al
E L3RJ035
Receiver Control
Test Flow Chart ( Sheet 7 of 12)

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