TM 11-5805-384-30
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. No digit tone or signal frequency tone when pressing the keys on the keysender.
Step 1.
Replace circuit card assembly. See paragraph 2-11.
If malfunction continues, go on to step 2.
Step 2.
Replace keysender assembly. See paragraph 2-12.
If malfunction continues, go on to step 3.
Step 3.
Replace hookswitch assembly. See paragraph 2-10.
If malfunction continues, report to a higher level of maintenance.
2-19
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