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| TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-21
Transmitter Sidetone Troubleshooting
CONNECT EQUIPMENT AS
SHOWN IN TRANSMITTER
S I D E T O N E PERFORMANCE
TEST (PARA 2-18).
P E R F O R M TRANSMITTER
POWER OUTPUT PERFOR-
MANCE TEST (PARA 2-11).
CHECK WIRING BETWEEN
R E F L E C T O M E T E R AND
SIDETONE DETECTOR Z4502,
PIN 4, CONNECTOR P5501,
PIN 17, AND RELAY K5501,
PIN A1. SEE FO-12.
REPAIR WIRING OR, IF
D E F E C T I V E REPLACE
RELAY K5501 (PARA 2-44).
REPLACE K5501, REFLECTO-
METER, AND SIDETONE
PERFORM SIDETONE PER-
DETECTOR (PARA 2-63) ONE
F O R M A N C E TEST (PARA
AT A TIME UNTILL TROUBLE
IS CORRECTED.
2-109
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