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| TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-10
Maximum Signal Plus Noise-to-Noise Ratio Troubleshooting
CONNECT EQUIPMENT AS
SHOWN IN MAXIMUM SIG-
NAL PERFORMANCE TEST
REMOVE AUDIO AND
SQUELCH PREAMPLIFIER
MODULE A4300 (PARA 2-41).
REMOVE SQUELCH AMPLI-
INSTALL A NEW MODULE
FIER MODULE A5200 (PARA
A4300 (PARA 2-41).
2-44).
PERFORM MAXIMUM SIG-
REPLACE RECEIVER AUDIO
NAL PLUS NOISE-TO-NOISE
AMPLIFIER MODULE A5400
RATlO PERFORMANCE TEST
INSTALL ANEW SQUELCH
ALINE MODULE A5400
PERFORM ALINIMENTS
AMPLIFIER MODULE
A5200 (PARA 2-44).
2-87
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