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1990-10-14
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612b
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SB-853
TR-8400 Transmitter Freq Response, Voice or DTMF 1-25-82
Operator complaints of insufficient lows in transmit, or faulty Autopatch
operation traceable to incorrect twist (high to low tone group balance) may
be remedied by changing two capacitors at the mic amplifier input.
On the RX/TX unit X44-1340-11, change C62 and C65 from 0.1uf to 1.0uf, 35v
tantalum (CS15E1V010M) to increase low frequency transmitter frequency
response. Adjust Deviation (VR3) or mic gain (VR2) as necessary.
Installation time for this procedure is 1/2 or less.
JEB/sh
(c) 121589TKC