TM 11-5821-333-30
2-24. TROUBLESHOOTING FLOWCHARTS. Continued
CHART 36
Sidetone Disable Test Failure
See figure FO-10 for
location of test points.
1. SET TEST ADAPTER:
S2
OFF
2. SET UP USING FIG 2-8.
3. MOVE IFM RF PWR
SWITCH OUT OF LO AND
BACK TO LO WHILE
CHECKING XA1-34 WITH
LOGIC PROBE.
WITH UUT IFM RF PWR
SWITCH IN LO, CHECK
XA4-32 WITH LOGIC PROBE.
INTERFACE MODULE (A4)
IS BAD.
CHASSIS (A11) IS BAD.
FRONT PANEL (A1) IS BAD.
CHECK XA1-31 WITH LOGIC
PROBE .
FRONT PANEL (A1) IS BAD.
CHASSIS (A11) IS BAD.
2-144
