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TM 11-5820-890-20-2
2-142
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 41
NO SRM MONITORING AT COMMANDER'S C 2298.
MONITOR SWITCH AT ALL POSITION.
(Sheet 5 of 10)
PSA J1
K
L
F
E
R
M
H
C
B
A
D
J
N
P
1. SET RT TO STBY.
2. SET THE AM 1780 MAIN PWR TO OFF.
3. REMOVE RT FROM PSA.
4. REMOVE CX 13300 FROM AM 1780 J501.
5. CHECK CONTINUITY AT PSA J1,
PIN F TO PIN A (GND).
NO
YES
1.5 TO 3.5
V ac
?
REPLACED RT IS BAD.
NO
YES
SHORT
TO
GROUND
?
7
SH 6
8
SH 7
1. REPLACE RT.
2. SET RT AS FOLLOWS:
CHAN: MAN
FCTN: SQ OFF
VOL: FULL CW
3. MEASURE AC VOLTAGE AT PSA J1,
PIN F TO PIN A (GND).
5
SH 5
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