TM 11-5821-333-30
2-24. TROUBLESHOOTING FLOWCHARTS. Continued
CHART 15
SC Transmit Audio Failure (Sheet 1 of 3)
1. SET TEST ADAPTER:
PTT(S8)
OFF
2. SET UP USING FIG 2-8.
3. SET TEST ADAPTER:
CAL
IN
4. ADJUST FUNCTION
GENERATOR FOR 1 kHz,
1 V P-P SINE WAVE
USING FREQ COUNTER
AND SCOPE CH 2.
5. SET TEST ADAPTER:
CAL
OUT
S1
OFF
S3
1
TEST EQUIPMENT
SELECTOR
SCOPE
TEST EQPT
INPUT
EXT
PTT (S8)
UUT
6. USE X1 PROBE AT
XA5-26. READ SCOPE
CH1.
NOTE
See figure FO-10 for
location of test points.
2-106
