TM 11-5821-333-30
2-24. TROUBLESHOOTING FLOWCHARTS. Continued
CHART 30
Fails Homing Steering Test
T E S T E Q U I P M E NT
SELECTOR SCOPE
1. SET UP USING FIG 2-8.
2. SET TEST ADAPTER:
TEST EQPT
INPUT
EXT
3. USE X1 PROBE AT
XA4-8. READ DMM.
4. ADJUST A4R9 FOR -180
±5 mV DC (IF STEERING
LEFT) OR +180±5 mV
DC (IF STEERING RIGHT).
5. TURN OFF RF SIGNAL
GENERATOR.
6. ADJUST A4R8 FOR 0±25
mV DC.
7. TURN ON RF SIGNAL
GENERATOR.
8. ADJUST A4R9 FOR -180
±5 mV DC (IF STEERING
LEFT) OR +180±5 mV
DC (IF STEERING RIGHT).
NOTE
See figure FO-10 for
location of test points.
1. SET TEST ADAPTER:
2. USE X1 PROBE AT
XA4-5. READ SCOPE CH
1 .
INTERFACE MODULE (A4)
IS BAD.
USE X1 PROBE AT XA4-38.
READ SCOPE CH 1.
2-136
