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Page Title:
CHART 2-12. Tone Squelch Sensitivity Troubleshooting (Sheet 1 of 2) |
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|  TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-12
Tone Squelch Sensitivity Troubleshooting
(Sheet 1 of 2)
NOTES
1. After replacing each unit, perform Tone
Squelch Sensitivity Test (para 2-10) and if
trouble is not corrected, replace units in se-
quence listed in flow chart.
PER FORM TONE SQUELCH
2. If replacing module A5200, adjust in accord-
ADJUSTMENT (PARA 2-33).
ance with paragraph 2-33, then do Performance
Test (para 2-10).
CHECK FOR CONTINUITY
BETWEEN PINS A1 AND A2
OF RELAY K5505. SEE
ILLUSTRATION, SH 2.
PERFORM TONE SQUELCH
REPLACE RELAYS K5501
SENSITIVITY PERFOR-
AND K5505 (PARA 2-44).
MANCE TEST (PARA 2-10).
2-89
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