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Page Title:
CHART 2-8. Poor Audio Response Troubleshooting (Sheet 1 of 2) |
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|  TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-8
Poor Audio Response Troubleshooting
(Sheet 1 of 2)
CONNECT EQUIPMENT AS
REPLACE AUDIO AND
SHOWN IN AUDIO-FRE-
SQUELCH PREAMPLIFIER
QUENCY RESPONSE
MODULE A4300 (PARA 2-41).
PERFORMANCE TEST (PARA
PERFORM AUDIOFRE-
CONNECT THE TS-723B/U TO
TEST POINT TP4007 ON IF.
QUENCY RESPONSE AND
FRONT PANEL METER
AMPLIFIER ASSEMBLY
PERFORMANCE TEST
A4000. SEE ILLUSTRATION,
SH 2.
REPLACE AUDIO AMPLIFIER
MODULE A5400 (PARA 2-44).
ALINE (PARA 2-30).
CHECK AUDIO RESPONSE AT
TP5513 0N ASSEMBLY A5500.
SEE ILLUSTRATION, SH 2.
CHECK AUDIO RESPONSE
REPLACE LOW PASS FILTER
AT TP5509 0N A5500. SEE
FL5001 (PARA 2-44).
ILLUSTRATION, SH 2.
2-83
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