LG CU920 - Audio Signal Processing Overview

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3. TECHNICAL BRIEF
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TTY DETECT
0.1u
C801
2.2K
R800
10uC802
tcc_1608h_9_r
FB800
HH-1M1005-601JT
MICBIAS
TTY_ADC_DET
EAR_MIC2P
MIC2P
Figure. Audio part schematics