TM 11-5821-333-30
2-24. TROUBLESHOOTING FLOWCHARTS. Continued
CHART 8
STO (Sto/ENT) Key Test Failure
1, SET UP USING FIG 2-8.
2. USE LOGIC PROBE AT
XA1-33.
3. PRESS STO (Sto/ENT)
KEY ON UUT AND CHECK
FOR DIGITAL ACTIVITY.
NOTE
See figure FO-10 for
location of test points.
1. REPLACE CONTROL
MODULE (A2) WITH
KNOWN GOOD MODULE .
2. REPEAT OPERATIONAL
CHECK, AND VERIFY
THAT UUT PASSES STEP
2.i.
2-90
