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TM 11-5820-890-20-2
5-18
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 2
PSA DS1 NOT LIT WHEN CB1 IS SET TO •ON".
(Sheet 3 of 9)
D
C
A
B
P2
NO
YES
VIC
PRESENT
?
1. REMOVE POWER CABLE FROM MB J1.
2. MEASURE VOLTAGE AT POWER CABLE,
PIN B TO PIN A (GND).
4
SH 4
CONNECT POWER CABLE TO MB J1.
NO
YES
22 TO 32 V dc
?
REPLACE POWER CABLE.
NO
YES
LS 671
PRESENT
?
5
SH 5
REPLACE MB.
3
SH 3
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